├── Assets ├── .gitignore ├── Scripts │ ├── core │ │ ├── CausticRenderer.cs │ │ ├── Noise.meta │ │ ├── CausticRenderer.cs.meta │ │ ├── Noise │ │ │ ├── NoiseWave_Component.cs.meta │ │ │ └── NoiseWave_Component.cs │ │ ├── Object.cs.meta │ │ ├── WaterBody.cs.meta │ │ ├── FloatingObject.cs.meta │ │ ├── ReflectCamera.cs.meta │ │ ├── SunLight.cs.meta │ │ ├── WaterCamera.cs.meta │ │ ├── WaterSurface.cs.meta │ │ ├── TestForceToWater.cs.meta │ │ ├── Object.cs │ │ ├── TestForceToWater.cs │ │ ├── SunLight.cs │ │ ├── FloatingObject.cs │ │ ├── ReflectCamera.cs │ │ ├── WaterBody.cs │ │ └── WaterCamera.cs │ ├── SIneWave.meta │ ├── WaveEquation.meta │ ├── core.meta │ ├── IWaveComponent.cs.meta │ ├── SIneWave │ │ ├── SineWaveMonoBehaviour.cs.meta │ │ ├── SineWave_Component.cs.meta │ │ ├── SineWaveMonoBehaviour.cs │ │ └── SineWave_Component.cs │ ├── SineWave │ │ ├── GerstnerWave_Component.cs.meta │ │ ├── SineWaveDeform_Component.cs.meta │ │ ├── SineWaveDeform_Component.cs │ │ └── GerstnerWave_Component.cs │ ├── WaveEquation │ │ ├── WaveEquation_Component.cs.meta │ │ ├── TestWaveEquation.cs.meta │ │ ├── WaveEquation_Component.cs │ │ └── TestWaveEquation.cs │ └── IWaveComponent.cs ├── FreeUnityPackageFromAssetStore │ ├── SkyBox │ │ ├── sky.psd │ │ ├── sky.tga │ │ ├── skybox.mat.meta │ │ ├── sky.psd.meta │ │ ├── skybox.mat │ │ └── sky.tga.meta │ ├── UnityShaderBook │ │ ├── water_noise.jpg │ │ ├── Wall01_Diffuse.tga │ │ ├── Wall01_Normal.tga │ │ ├── Wall02_Diffuse.png │ │ ├── Wall02_Normal.png │ │ ├── Wall03_Diffuse.jpg │ │ ├── Wall03_Normal.jpg │ │ ├── Wall04_Diffuse.jpg │ │ ├── Wall05_Diffuse.png │ │ ├── Wall05_Normal.png │ │ ├── Water_Diffuse.jpg │ │ ├── Wall01_Diffuse.tga.meta │ │ ├── Wall01_Normal.tga.meta │ │ ├── Wall02_Diffuse.png.meta │ │ ├── Wall02_Normal.png.meta │ │ ├── Wall03_Diffuse.jpg.meta │ │ ├── Wall03_Normal.jpg.meta │ │ ├── Wall04_Diffuse.jpg.meta │ │ ├── Wall05_Diffuse.png.meta │ │ ├── Wall05_Normal.png.meta │ │ ├── Water_Diffuse.jpg.meta │ │ └── water_noise.jpg.meta │ ├── UnityShaderBook.meta │ └── SkyBox.meta ├── Scenes │ ├── 06-WaterBody&&Noise.unity.meta │ ├── 02-WaterBody&&WaveEquation.unity.meta │ ├── 03-WaterBody&&SineWave.unity.meta │ ├── 05-WaterBody&&Gerstner.unity.meta │ ├── 01-WaterSurface&&WaveEquation.unity.meta │ ├── 04-WaterBody&&SineWaveDeform.unity.meta │ ├── 00-WaveEquation.unity.meta │ └── 00-WaveEquation.unity ├── Material │ ├── Wall01.mat.meta │ ├── Wall02.mat.meta │ ├── Wall03.mat.meta │ ├── Wall04.mat.meta │ ├── Wall05.mat.meta │ ├── WaterBody.mat.meta │ ├── UnderWaterCube.mat.meta │ ├── Water.mat.meta │ ├── WaterBody.mat │ ├── Wall01.mat │ ├── Wall02.mat │ ├── Wall03.mat │ ├── Wall04.mat │ ├── Wall05.mat │ ├── UnderWaterCube.mat │ └── Water.mat ├── Shaders │ ├── SineWave.shader.meta │ ├── WaterBody.shader.meta │ ├── Force.shader.meta │ ├── GerstnerWave.shader.meta │ ├── SineWaveDeform.shader.meta │ ├── UnderWater.shader.meta │ ├── Caustic.shader.meta │ ├── NoiseWave.shader.meta │ ├── NoiseNoramlGenerate.shader.meta │ ├── Water.shader.meta │ ├── internal.cginc.meta │ ├── WaveEquation.shader.meta │ ├── NormalGenerate.shader.meta │ ├── ShaderMapRender.shader.meta │ ├── ShaderMapRender.shader │ ├── Force.shader │ ├── NoiseWave.shader │ ├── SineWave.shader │ ├── Caustic.shader │ ├── SineWaveDeform.shader │ ├── internal.cginc │ ├── WaveEquation.shader │ ├── NoiseNoramlGenerate.shader │ ├── NormalGenerate.shader │ ├── GerstnerWave.shader │ ├── WaterBody.shader │ ├── UnderWater.shader │ └── Water.shader ├── Scenes.meta ├── Material.meta ├── Plugins.meta ├── Prefabs.meta ├── Prefabs │ ├── Water.prefab.meta │ ├── WaterSuface.prefab.meta │ ├── Wall.prefab.meta │ ├── Directional Light.prefab.meta │ ├── Directional Light.prefab │ ├── WaterSuface.prefab │ └── Water.prefab ├── Scripts.meta ├── Shaders.meta └── FreeUnityPackageFromAssetStore.meta ├── Packages └── manifest.json ├── ProjectSettings ├── ProjectVersion.txt ├── ClusterInputManager.asset ├── PresetManager.asset ├── NetworkManager.asset ├── TimeManager.asset ├── EditorBuildSettings.asset ├── AudioManager.asset ├── EditorSettings.asset ├── TagManager.asset ├── DynamicsManager.asset ├── UnityConnectSettings.asset ├── Physics2DSettings.asset ├── NavMeshAreas.asset ├── GraphicsSettings.asset ├── QualitySettings.asset └── InputManager.asset ├── readme.md ├── .gitignore └── .gitattributes /Assets/.gitignore: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /Packages/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "dependencies": { 3 | } 4 | } 5 | -------------------------------------------------------------------------------- /ProjectSettings/ProjectVersion.txt: -------------------------------------------------------------------------------- 1 | m_EditorVersion: 2018.1.9f2 2 | 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externalObjects: {} 7 | mainObjectFileID: 100100000 8 | userData: 9 | assetBundleName: 10 | assetBundleVariant: 11 | -------------------------------------------------------------------------------- /ProjectSettings/EditorBuildSettings.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!1045 &1 4 | EditorBuildSettings: 5 | m_ObjectHideFlags: 0 6 | serializedVersion: 2 7 | m_Scenes: 8 | - enabled: 1 9 | path: Assets/Scenes/02-WaterBody.unity 10 | guid: 64d7ad3b8d3efa940ae5d18afd80162d 11 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | 尝试在unity中以各种方法实现水的渲染 2 | 3 | ## 波动方程实现的水面 4 | 5 | ![波动方程实现的水面](https://raw.githubusercontent.com/IceLanguage/icelanguage.github.io/master/images/2018-11-04_00-15-46.gif) 6 | 7 | ## 参考资源 8 | 9 | 《GPU Gems》 10 | 11 | github.com/AsehesL/UnityWaveEquation 12 | 13 | github.com/dbrizov/Unity-WaterBuoyancy -------------------------------------------------------------------------------- /Assets/FreeUnityPackageFromAssetStore/SkyBox/skybox.mat.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: 4a7af0e0452fcc94780115de5c5abf03 3 | timeCreated: 1523352112 4 | licenseType: Free 5 | NativeFormatImporter: 6 | externalObjects: {} 7 | mainObjectFileID: 0 8 | userData: 9 | assetBundleName: 10 | assetBundleVariant: 11 | -------------------------------------------------------------------------------- /Assets/Scripts/core/CausticRenderer.cs.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: bd5f97d8d9b7373488af0edcf7f02794 3 | MonoImporter: 4 | externalObjects: {} 5 | serializedVersion: 2 6 | defaultReferences: [] 7 | executionOrder: 0 8 | icon: {instanceID: 0} 9 | userData: 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11 | 12 | # Autogenerated VS/MD/Consulo solution and project files 13 | ExportedObj/ 14 | .consulo/ 15 | *.csproj 16 | *.unityproj 17 | *.sln 18 | *.suo 19 | *.tmp 20 | *.user 21 | *.userprefs 22 | *.pidb 23 | *.booproj 24 | *.svd 25 | *.pdb 26 | 27 | 28 | # Unity3D generated meta files 29 | *.pidb.meta 30 | 31 | # Unity3D Generated File On Crash Reports 32 | sysinfo.txt 33 | 34 | # Builds 35 | *.apk 36 | *.unitypackage -------------------------------------------------------------------------------- /Assets/Scripts/SineWave/SineWaveDeform_Component.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using UnityEngine; 3 | 4 | namespace LinHowe 5 | { 6 | /// 7 | /// 正弦函数变形模拟水面 8 | /// 9 | class SineWaveDeform_Component : SineWave_Component 10 | { 11 | 12 | public SineWaveDeform_Component(WaterRender.WaterSurface water) : base(water) 13 | { 14 | 15 | } 16 | public override void InitWaterCamera(int texSize, Material waveEquationMat) 17 | { 18 | waveEquationMat.SetFloat("k", 4.4f); 19 | } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /ProjectSettings/TagManager.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!78 &1 4 | TagManager: 5 | serializedVersion: 2 6 | tags: [] 7 | layers: 8 | - Default 9 | - TransparentFX 10 | - Ignore Raycast 11 | - 12 | - Water 13 | - UI 14 | - 15 | - 16 | - 17 | - 18 | - 19 | - 20 | - 21 | - 22 | - 23 | - 24 | - 25 | - 26 | - 27 | - 28 | - 29 | - 30 | - 31 | - 32 | - 33 | - 34 | - 35 | - 36 | - 37 | - 38 | - 39 | - 40 | m_SortingLayers: 41 | - name: Default 42 | uniqueID: 0 43 | locked: 0 44 | -------------------------------------------------------------------------------- /Assets/Scripts/core/Noise/NoiseWave_Component.cs: -------------------------------------------------------------------------------- 1 | 2 | 3 | using UnityEngine; 4 | 5 | namespace LinHowe 6 | { 7 | class NoiseWave_Component : IWaveComponent 8 | { 9 | public NoiseWave_Component(WaterRender.WaterSurface water) : base(water) 10 | { 11 | 12 | } 13 | 14 | public override bool InitAndCheckWaveParams(float speed, float viscosity, float d) 15 | { 16 | return true; 17 | } 18 | 19 | public override void OnRenderImage(RenderTexture src, RenderTexture dst, Material waveEquationMat) 20 | { 21 | Graphics.Blit(src, dst, waveEquationMat); 22 | } 23 | 24 | public override void OnPostRender() 25 | { 26 | } 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /Assets/Shaders/ShaderMapRender.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/ShaderMapRender" 2 | { 3 | Properties 4 | { 5 | } 6 | SubShader 7 | { 8 | Tags { "RenderType" = "Opaque" } 9 | Pass 10 | { 11 | CGPROGRAM 12 | #pragma vertex vert 13 | #pragma fragment frag 14 | 15 | #include "UnityCG.cginc" 16 | 17 | struct v2f 18 | { 19 | float4 vertex : SV_POSITION; 20 | float depth : TEXCOORD0; 21 | }; 22 | 23 | v2f vert (appdata_base v) 24 | { 25 | v2f o; 26 | o.vertex = UnityObjectToClipPos(v.vertex); 27 | o.depth = COMPUTE_DEPTH_01; 28 | return o; 29 | } 30 | 31 | float4 frag (v2f i) : SV_Target 32 | { 33 | float4 col = EncodeFloatRGBA(i.depth); 34 | return col; 35 | } 36 | ENDCG 37 | } 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /ProjectSettings/DynamicsManager.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!55 &1 4 | PhysicsManager: 5 | m_ObjectHideFlags: 0 6 | serializedVersion: 3 7 | m_Gravity: {x: 0, y: -9.81, z: 0} 8 | m_DefaultMaterial: {fileID: 0} 9 | m_BounceThreshold: 2 10 | m_SleepThreshold: 0.005 11 | m_DefaultContactOffset: 0.01 12 | m_DefaultSolverIterations: 6 13 | m_DefaultSolverVelocityIterations: 1 14 | m_QueriesHitBackfaces: 0 15 | m_QueriesHitTriggers: 1 16 | m_EnableAdaptiveForce: 0 17 | m_EnablePCM: 1 18 | m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 19 | -------------------------------------------------------------------------------- /Assets/Shaders/Force.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/Force" 2 | { 3 | Properties 4 | { 5 | } 6 | SubShader 7 | { 8 | Tags { "RenderType"="Opaque" } 9 | 10 | Pass 11 | { 12 | cull front 13 | CGPROGRAM 14 | #pragma vertex vert 15 | #pragma fragment frag 16 | 17 | #include "UnityCG.cginc" 18 | #include "internal.cginc" 19 | 20 | struct appdata 21 | { 22 | float4 vertex : POSITION; 23 | }; 24 | 25 | struct v2f 26 | { 27 | float depth : TEXCOORD0; 28 | float4 vertex : SV_POSITION; 29 | }; 30 | 31 | float internal_Force; 32 | 33 | v2f vert (appdata v) 34 | { 35 | v2f o; 36 | o.vertex = UnityObjectToClipPos(v.vertex); 37 | o.depth = COMPUTE_DEPTH_01; 38 | return o; 39 | } 40 | 41 | float4 frag (v2f i) : SV_Target 42 | { 43 | return EncodeHeight(i.depth*internal_Force); 44 | } 45 | ENDCG 46 | } 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /ProjectSettings/UnityConnectSettings.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!310 &1 4 | UnityConnectSettings: 5 | m_ObjectHideFlags: 0 6 | m_Enabled: 0 7 | m_TestMode: 0 8 | m_TestEventUrl: 9 | m_TestConfigUrl: 10 | m_TestInitMode: 0 11 | CrashReportingSettings: 12 | m_EventUrl: https://perf-events.cloud.unity3d.com/api/events/crashes 13 | m_Enabled: 0 14 | m_CaptureEditorExceptions: 1 15 | UnityPurchasingSettings: 16 | m_Enabled: 0 17 | m_TestMode: 0 18 | UnityAnalyticsSettings: 19 | m_Enabled: 1 20 | m_InitializeOnStartup: 1 21 | m_TestMode: 0 22 | m_TestEventUrl: 23 | m_TestConfigUrl: 24 | UnityAdsSettings: 25 | m_Enabled: 0 26 | m_InitializeOnStartup: 1 27 | m_TestMode: 0 28 | m_EnabledPlatforms: 4294967295 29 | m_IosGameId: 30 | m_AndroidGameId: 31 | PerformanceReportingSettings: 32 | m_Enabled: 0 33 | -------------------------------------------------------------------------------- /Assets/Shaders/NoiseWave.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/NoiseWave" 2 | { 3 | Properties 4 | { 5 | _MainTex("CurTex", 2D) = "white" {} 6 | _PreTex("PreTex", 2D) = "white" {} 7 | _WaveParams("WaveParams", vector) = (0,0,0,0) 8 | } 9 | 10 | SubShader 11 | { 12 | Cull Off ZWrite Off ZTest Always 13 | 14 | Pass 15 | { 16 | CGPROGRAM 17 | #pragma vertex vert 18 | #pragma fragment frag 19 | 20 | #include "UnityCG.cginc" 21 | #include "internal.cginc" 22 | struct appdata 23 | { 24 | float4 vertex : POSITION; 25 | float2 uv : TEXCOORD0; 26 | }; 27 | 28 | struct v2f 29 | { 30 | float2 uv : TEXCOORD0; 31 | float4 vertex : SV_POSITION; 32 | }; 33 | 34 | sampler2D _MainTex; 35 | sampler2D _PreTex; 36 | float4 _WaveParams; 37 | 38 | v2f vert(appdata v) 39 | { 40 | v2f o; 41 | o.vertex = UnityObjectToClipPos(v.vertex); 42 | o.uv = v.uv; 43 | return o; 44 | } 45 | 46 | float4 frag(v2f i) : SV_Target 47 | { 48 | float cur = DecodeHeight(tex2D(_MainTex, i.uv)); 49 | return EncodeHeight(cur); 50 | } 51 | ENDCG 52 | } 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /Assets/FreeUnityPackageFromAssetStore/UnityShaderBook/Wall01_Diffuse.tga.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: 31095fb6a0fed0d4a95df9481df488bc 3 | TextureImporter: 4 | serializedVersion: 2 5 | mipmaps: 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spritePixelsToUnits: 100 39 | alphaIsTransparency: 0 40 | textureType: 1 41 | buildTargetSettings: [] 42 | spriteSheet: 43 | sprites: [] 44 | spritePackingTag: 45 | userData: 46 | -------------------------------------------------------------------------------- /Assets/Shaders/SineWave.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/SineWave" 2 | { 3 | Properties 4 | { 5 | _MainTex ("CurTex", 2D) = "white" {} 6 | _PreTex("PreTex", 2D) = "white" {} 7 | _WaveParams("WaveParams", vector) = (0,0,0,0) 8 | } 9 | SubShader 10 | { 11 | Cull Off ZWrite Off ZTest Always 12 | 13 | Pass 14 | { 15 | CGPROGRAM 16 | #pragma vertex vert 17 | #pragma fragment frag 18 | 19 | #include "UnityCG.cginc" 20 | #include "internal.cginc" 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | sampler2D _MainTex; 34 | sampler2D _PreTex; 35 | float4 _WaveParams; 36 | float4 _MainTex_TexelSize; 37 | float2 _WaveOrigin; 38 | float _Timer; 39 | v2f vert (appdata v) 40 | { 41 | v2f o; 42 | o.vertex = UnityObjectToClipPos(v.vertex); 43 | o.uv = v.uv; 44 | return o; 45 | } 46 | 47 | float4 frag (v2f i) : SV_Target 48 | { 49 | 50 | float cur = DecodeHeight(tex2D(_MainTex, i.uv)); 51 | cur += _WaveParams.x * sin(dot(_WaveParams.yz,i.uv - _WaveOrigin) + _Timer * _WaveParams.w); 52 | 53 | return EncodeHeight(cur); 54 | } 55 | ENDCG 56 | } 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /Assets/Shaders/Caustic.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/Caustic" 2 | { 3 | Properties 4 | { 5 | _Refract("Refract", float) = 0.1 6 | } 7 | SubShader 8 | { 9 | Tags { "RenderType"="Opaque" } 10 | 11 | Pass 12 | { 13 | cull front 14 | CGPROGRAM 15 | #pragma vertex vert 16 | #pragma fragment frag 17 | 18 | #include "UnityCG.cginc" 19 | #include "internal.cginc" 20 | 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | }; 25 | 26 | struct v2f 27 | { 28 | float4 vertex : SV_POSITION; 29 | float2 oldPos : TEXCOORD1; 30 | float2 newPos : TEXCOORD2; 31 | }; 32 | 33 | half _Refract; 34 | 35 | v2f vert (appdata v) 36 | { 37 | v2f o; 38 | float3 normal = UnpackNormal(tex2Dlod(_WaterNormalMap, float4(v.texcoord.xy, 0, 0))); 39 | 40 | o.oldPos = v.vertex.xz; 41 | v.vertex.xz += normal.xy*_Refract; 42 | o.newPos = v.vertex.xz; 43 | 44 | o.vertex = UnityObjectToClipPos(v.vertex); 45 | return o; 46 | } 47 | 48 | float4 frag (v2f i) : SV_Target 49 | { 50 | float oldArea = length(ddx(i.oldPos)) * length(ddy(i.oldPos)); 51 | float newArea = length(ddx(i.newPos)) * length(ddy(i.newPos)); 52 | 53 | float area = (oldArea / newArea) * 0.5; 54 | 55 | return float4(area, area, area, 1); 56 | } 57 | ENDCG 58 | } 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /Assets/Shaders/SineWaveDeform.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/SineWaveDeform" 2 | { 3 | Properties 4 | { 5 | _MainTex ("CurTex", 2D) = "white" {} 6 | _PreTex("PreTex", 2D) = "white" {} 7 | _WaveParams("WaveParams", vector) = (0,0,0,0) 8 | } 9 | SubShader 10 | { 11 | Cull Off ZWrite Off ZTest Always 12 | 13 | Pass 14 | { 15 | CGPROGRAM 16 | #pragma vertex vert 17 | #pragma fragment frag 18 | 19 | #include "UnityCG.cginc" 20 | #include "internal.cginc" 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | sampler2D _MainTex; 34 | sampler2D _PreTex; 35 | float4 _WaveParams; 36 | float4 _MainTex_TexelSize; 37 | float2 _WaveOrigin; 38 | float _Timer; 39 | float k; 40 | v2f vert (appdata v) 41 | { 42 | v2f o; 43 | o.vertex = UnityObjectToClipPos(v.vertex); 44 | o.uv = v.uv; 45 | return o; 46 | } 47 | 48 | float4 frag (v2f i) : SV_Target 49 | { 50 | 51 | float cur = DecodeHeight(tex2D(_MainTex, i.uv)); 52 | float t = dot(_WaveParams.yz,i.uv - _WaveOrigin) + _Timer * _WaveParams.w; 53 | cur += _WaveParams.x * 2 * pow( (sin(t) + 1)/2 , k) ; 54 | 55 | return EncodeHeight(cur); 56 | } 57 | ENDCG 58 | } 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /Assets/Scripts/IWaveComponent.cs: -------------------------------------------------------------------------------- 1 | 2 | using System.Collections.Generic; 3 | using UnityEngine; 4 | 5 | namespace LinHowe 6 | { 7 | /// 8 | /// 波形组件枚举 9 | /// 10 | public enum WaveComponentEnum 11 | { 12 | WaveEquation, 13 | SineWave, 14 | SineWaveDeform, 15 | GerstnerWave, 16 | NoiseWave 17 | } 18 | /// 19 | /// 水体波动组件 20 | /// 21 | public abstract class IWaveComponent 22 | { 23 | protected WaterRender.WaterSurface water; 24 | public IWaveComponent(WaterRender.WaterSurface water) 25 | { 26 | this.water = water; 27 | } 28 | /// 29 | /// 初始化检测 30 | /// 31 | /// 波速 32 | /// 水体粘度系数 33 | /// 水体网格单元间隔 34 | /// 35 | public abstract bool InitAndCheckWaveParams(float speed, float viscosity,float d); 36 | 37 | public abstract void OnRenderImage(RenderTexture src, RenderTexture dst,Material waveEquationMat); 38 | 39 | public virtual void InitWaterCamera(int texSize,Material waveEquationMat) { } 40 | 41 | public virtual void OnDestroy() { } 42 | 43 | public virtual void OnPostRender() { } 44 | } 45 | 46 | 47 | 48 | 49 | } 50 | -------------------------------------------------------------------------------- /Assets/FreeUnityPackageFromAssetStore/UnityShaderBook/Wall02_Diffuse.png.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: deb661f5d7075460e967c992467b67e6 3 | timeCreated: 1444308790 4 | licenseType: Free 5 | 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normalMapFilter: 0 22 | isReadable: 0 23 | grayScaleToAlpha: 0 24 | generateCubemap: 0 25 | cubemapConvolution: 0 26 | cubemapConvolutionSteps: 8 27 | cubemapConvolutionExponent: 1.5 28 | seamlessCubemap: 0 29 | textureFormat: -1 30 | maxTextureSize: 2048 31 | textureSettings: 32 | filterMode: -1 33 | aniso: -1 34 | mipBias: -1 35 | wrapMode: -1 36 | nPOTScale: 1 37 | lightmap: 0 38 | rGBM: 0 39 | compressionQuality: 50 40 | spriteMode: 0 41 | spriteExtrude: 1 42 | spriteMeshType: 1 43 | alignment: 0 44 | spritePivot: {x: .5, y: .5} 45 | spriteBorder: {x: 0, y: 0, z: 0, w: 0} 46 | spritePixelsToUnits: 100 47 | alphaIsTransparency: 0 48 | textureType: 1 49 | buildTargetSettings: [] 50 | spriteSheet: 51 | sprites: [] 52 | spritePackingTag: 53 | userData: 54 | assetBundleName: 55 | assetBundleVariant: 56 | -------------------------------------------------------------------------------- /Assets/FreeUnityPackageFromAssetStore/UnityShaderBook/Wall04_Diffuse.jpg.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: 1d21281d12c94442e8cd5a05f93f7bd2 3 | timeCreated: 1444293856 4 | licenseType: Free 5 | TextureImporter: 6 | fileIDToRecycleName: {} 7 | serializedVersion: 2 8 | mipmaps: 9 | mipMapMode: 0 10 | enableMipMap: 1 11 | linearTexture: 0 12 | correctGamma: 0 13 | fadeOut: 0 14 | borderMipMap: 0 15 | mipMapFadeDistanceStart: 1 16 | mipMapFadeDistanceEnd: 3 17 | bumpmap: 18 | convertToNormalMap: 0 19 | externalNormalMap: 0 20 | heightScale: .25 21 | normalMapFilter: 0 22 | isReadable: 0 23 | grayScaleToAlpha: 0 24 | generateCubemap: 0 25 | cubemapConvolution: 0 26 | cubemapConvolutionSteps: 8 27 | cubemapConvolutionExponent: 1.5 28 | seamlessCubemap: 0 29 | textureFormat: -1 30 | maxTextureSize: 2048 31 | textureSettings: 32 | filterMode: -1 33 | aniso: -1 34 | mipBias: -1 35 | wrapMode: -1 36 | nPOTScale: 1 37 | lightmap: 0 38 | rGBM: 0 39 | compressionQuality: 50 40 | 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mipMapFadeDistanceEnd: 3 17 | bumpmap: 18 | convertToNormalMap: 0 19 | externalNormalMap: 0 20 | heightScale: .25 21 | normalMapFilter: 0 22 | isReadable: 0 23 | grayScaleToAlpha: 0 24 | generateCubemap: 0 25 | cubemapConvolution: 0 26 | cubemapConvolutionSteps: 8 27 | cubemapConvolutionExponent: 1.5 28 | seamlessCubemap: 0 29 | textureFormat: -1 30 | maxTextureSize: 2048 31 | textureSettings: 32 | filterMode: -1 33 | aniso: -1 34 | mipBias: -1 35 | wrapMode: -1 36 | nPOTScale: 1 37 | lightmap: 0 38 | rGBM: 0 39 | compressionQuality: 50 40 | spriteMode: 0 41 | spriteExtrude: 1 42 | spriteMeshType: 1 43 | alignment: 0 44 | spritePivot: {x: .5, y: .5} 45 | spriteBorder: {x: 0, y: 0, z: 0, w: 0} 46 | spritePixelsToUnits: 100 47 | alphaIsTransparency: 0 48 | textureType: -1 49 | buildTargetSettings: [] 50 | spriteSheet: 51 | sprites: [] 52 | spritePackingTag: 53 | userData: 54 | assetBundleName: 55 | assetBundleVariant: 56 | -------------------------------------------------------------------------------- /Assets/FreeUnityPackageFromAssetStore/UnityShaderBook/Wall05_Normal.png.meta: -------------------------------------------------------------------------------- 1 | fileFormatVersion: 2 2 | guid: c111e8298665641daabbc4bfaee19565 3 | timeCreated: 1444308869 4 | licenseType: Free 5 | TextureImporter: 6 | fileIDToRecycleName: {} 7 | serializedVersion: 2 8 | mipmaps: 9 | mipMapMode: 0 10 | enableMipMap: 1 11 | linearTexture: 1 12 | correctGamma: 0 13 | fadeOut: 0 14 | borderMipMap: 0 15 | mipMapFadeDistanceStart: 1 16 | mipMapFadeDistanceEnd: 3 17 | bumpmap: 18 | convertToNormalMap: 0 19 | externalNormalMap: 1 20 | heightScale: .25 21 | normalMapFilter: 0 22 | isReadable: 0 23 | grayScaleToAlpha: 0 24 | generateCubemap: 0 25 | cubemapConvolution: 0 26 | cubemapConvolutionSteps: 8 27 | cubemapConvolutionExponent: 1.5 28 | seamlessCubemap: 0 29 | textureFormat: -1 30 | maxTextureSize: 2048 31 | textureSettings: 32 | filterMode: -1 33 | aniso: -1 34 | mipBias: -1 35 | wrapMode: -1 36 | nPOTScale: 1 37 | lightmap: 0 38 | rGBM: 0 39 | compressionQuality: 50 40 | spriteMode: 0 41 | spriteExtrude: 1 42 | spriteMeshType: 1 43 | alignment: 0 44 | spritePivot: {x: .5, y: .5} 45 | spriteBorder: {x: 0, y: 0, z: 0, w: 0} 46 | spritePixelsToUnits: 100 47 | alphaIsTransparency: 0 48 | textureType: 1 49 | buildTargetSettings: [] 50 | spriteSheet: 51 | sprites: [] 52 | spritePackingTag: 53 | userData: 54 | assetBundleName: 55 | assetBundleVariant: 56 | -------------------------------------------------------------------------------- /Assets/Shaders/internal.cginc: -------------------------------------------------------------------------------- 1 | #ifndef INTERNAL_CGINC 2 | #define INTERNAL_CGINC 3 | 4 | //SunLight.cs 5 | float4 internalWorldLightPos; 6 | float4 internalWorldLightDir; 7 | float4 internalWorldLightColor; 8 | float4x4 internalWorldLightMV; 9 | float4x4 internalWorldLightVP; 10 | float4 internalProjectionParams; 11 | float internalBias; 12 | sampler2D internalShadowMap; 13 | 14 | //WaterCamera.cs 15 | sampler2D _WaterHeightMap; 16 | sampler2D _WaterNormalMap; 17 | 18 | //GerstnerWave_Component.cs 19 | sampler2D _WaterOffsetXMap; 20 | sampler2D _WaterOffsetZMap; 21 | 22 | //WaterBody.cs 23 | float4 _BoundingBoxMin; 24 | float4 _BoundingBoxMax; 25 | 26 | //WaterSurface.cs 27 | sampler2D _WaveMap; 28 | float4 _WaveMap_ST; 29 | 30 | float Clip(float3 worldPos) 31 | { 32 | if (worldPos.x < _BoundingBoxMin.x || worldPos.x > _BoundingBoxMax.x) 33 | return 0; 34 | if (worldPos.y < _BoundingBoxMin.y || worldPos.y > _BoundingBoxMax.y) 35 | return 0; 36 | if (worldPos.z < _BoundingBoxMin.z || worldPos.z > _BoundingBoxMax.z) 37 | return 0; 38 | return 1; 39 | } 40 | float DecodeHeight(float4 rgba) 41 | { 42 | float d1 = DecodeFloatRG(rgba.rg); 43 | float d2 = DecodeFloatRG(rgba.ba); 44 | 45 | if (d1 >= d2) 46 | return d1; 47 | else 48 | return -d2; 49 | } 50 | 51 | float4 EncodeHeight(float height) { 52 | float2 rg = EncodeFloatRG(height >= 0 ? height : 0); 53 | float2 ba = EncodeFloatRG(height < 0 ? -height : 0); 54 | 55 | return float4(rg, ba); 56 | } 57 | 58 | #endif -------------------------------------------------------------------------------- /ProjectSettings/Physics2DSettings.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!19 &1 4 | Physics2DSettings: 5 | m_ObjectHideFlags: 0 6 | serializedVersion: 3 7 | m_Gravity: {x: 0, y: -9.81} 8 | m_DefaultMaterial: {fileID: 0} 9 | m_VelocityIterations: 8 10 | m_PositionIterations: 3 11 | m_VelocityThreshold: 1 12 | m_MaxLinearCorrection: 0.2 13 | m_MaxAngularCorrection: 8 14 | m_MaxTranslationSpeed: 100 15 | m_MaxRotationSpeed: 360 16 | m_BaumgarteScale: 0.2 17 | m_BaumgarteTimeOfImpactScale: 0.75 18 | m_TimeToSleep: 0.5 19 | m_LinearSleepTolerance: 0.01 20 | m_AngularSleepTolerance: 2 21 | m_DefaultContactOffset: 0.01 22 | m_QueriesHitTriggers: 1 23 | m_QueriesStartInColliders: 1 24 | m_ChangeStopsCallbacks: 0 25 | m_CallbacksOnDisable: 1 26 | m_AlwaysShowColliders: 0 27 | m_ShowColliderSleep: 1 28 | m_ShowColliderContacts: 0 29 | m_ShowColliderAABB: 0 30 | m_ContactArrowScale: 0.2 31 | m_ColliderAwakeColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.7529412} 32 | m_ColliderAsleepColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.36078432} 33 | m_ColliderContactColor: {r: 1, g: 0, b: 1, a: 0.6862745} 34 | m_ColliderAABBColor: {r: 1, g: 1, b: 0, a: 0.2509804} 35 | m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 36 | -------------------------------------------------------------------------------- /Assets/Shaders/WaveEquation.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/WaveEquation" 2 | { 3 | Properties 4 | { 5 | _MainTex ("CurTex", 2D) = "white" {} 6 | _PreTex("PreTex", 2D) = "white" {} 7 | _WaveParams("WaveParams", vector) = (0,0,0,0) 8 | } 9 | SubShader 10 | { 11 | Cull Off ZWrite Off ZTest Always 12 | 13 | Pass 14 | { 15 | CGPROGRAM 16 | #pragma vertex vert 17 | #pragma fragment frag 18 | 19 | #include "UnityCG.cginc" 20 | #include "internal.cginc" 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | sampler2D _MainTex; 34 | sampler2D _PreTex; 35 | float4 _WaveParams; 36 | 37 | v2f vert (appdata v) 38 | { 39 | v2f o; 40 | o.vertex = UnityObjectToClipPos(v.vertex); 41 | o.uv = v.uv; 42 | return o; 43 | } 44 | 45 | float4 frag (v2f i) : SV_Target 46 | { 47 | float cur = _WaveParams.x*DecodeHeight(tex2D(_MainTex, i.uv)); 48 | float rg = _WaveParams.z* 49 | ( 50 | DecodeHeight(tex2D(_MainTex, i.uv + float2(_WaveParams.w, 0))) + 51 | DecodeHeight(tex2D(_MainTex, i.uv + float2(-_WaveParams.w,0))) + 52 | DecodeHeight(tex2D(_MainTex, i.uv + float2(0, _WaveParams.w))) + 53 | DecodeHeight(tex2D(_MainTex, i.uv + float2(0,-_WaveParams.w))) 54 | ); 55 | float pre = _WaveParams.y*DecodeHeight(tex2D(_PreTex, i.uv)); 56 | cur += rg + pre; 57 | cur *= 0.95; 58 | return EncodeHeight(cur); 59 | } 60 | ENDCG 61 | } 62 | } 63 | } 64 | -------------------------------------------------------------------------------- /Assets/Shaders/NoiseNoramlGenerate.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/NoiseNoramlGenerate" 2 | { 3 | Properties 4 | { 5 | _MainTex ("Texture", 2D) = "white" {} 6 | } 7 | SubShader 8 | { 9 | Cull Off ZWrite Off ZTest Always 10 | 11 | Pass 12 | { 13 | CGPROGRAM 14 | #pragma vertex vert 15 | #pragma fragment frag 16 | 17 | #include "UnityCG.cginc" 18 | #include "internal.cginc" 19 | 20 | #pragma multi_compile NoiseWave Other 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | v2f vert(appdata v) 34 | { 35 | v2f o; 36 | o.vertex = UnityObjectToClipPos(v.vertex); 37 | o.uv = v.uv; 38 | return o; 39 | } 40 | 41 | sampler2D _MainTex; 42 | float4 _MainTex_TexelSize;//Vector4(1 / width, 1 / height, width, height) 43 | 44 | float4 frag (v2f i) : SV_Target 45 | { 46 | float2 speed = _Time.y * float2(0.05f, 0.05f); 47 | 48 | float2 uv = TRANSFORM_TEX(i.uv, _WaveMap);; 49 | float3 bump1 = UnpackNormal(tex2D(_WaveMap, uv + speed)).rgb; 50 | float3 bump2 = UnpackNormal(tex2D(_WaveMap, uv - speed)).rgb; 51 | float3 normal = normalize(bump1 + bump2); 52 | #if defined(UNITY_NO_DXT5nm) 53 | return float4(normal*0.5 + 0.5, 1.0); 54 | #else 55 | #if UNITY_VERSION > 2018 56 | return float4(normal.x*0.5 + 0.5, normal.y*0.5 + 0.5, 0, 1); //2018修改了法线压缩方式，增加了一种BC5压缩 57 | #else 58 | return float4(0, normal.y*0.5 + 0.5, 0, normal.x*0.5 + 0.5); 59 | #endif 60 | #endif 61 | } 62 | ENDCG 63 | } 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /ProjectSettings/NavMeshAreas.asset: -------------------------------------------------------------------------------- 1 | %YAML 1.1 2 | %TAG !u! tag:unity3d.com,2011: 3 | --- !u!126 &1 4 | NavMeshProjectSettings: 5 | m_ObjectHideFlags: 0 6 | serializedVersion: 2 7 | areas: 8 | - name: Walkable 9 | cost: 1 10 | - name: Not Walkable 11 | cost: 1 12 | - name: Jump 13 | cost: 2 14 | - name: 15 | cost: 1 16 | - name: 17 | cost: 1 18 | - name: 19 | cost: 1 20 | - name: 21 | cost: 1 22 | - name: 23 | cost: 1 24 | - name: 25 | cost: 1 26 | - name: 27 | cost: 1 28 | - name: 29 | cost: 1 30 | - name: 31 | cost: 1 32 | - name: 33 | cost: 1 34 | - name: 35 | cost: 1 36 | - name: 37 | cost: 1 38 | - name: 39 | cost: 1 40 | - name: 41 | cost: 1 42 | - name: 43 | cost: 1 44 | - name: 45 | cost: 1 46 | - name: 47 | cost: 1 48 | - name: 49 | cost: 1 50 | - name: 51 | cost: 1 52 | - name: 53 | cost: 1 54 | - name: 55 | cost: 1 56 | - name: 57 | cost: 1 58 | - name: 59 | cost: 1 60 | - name: 61 | cost: 1 62 | - name: 63 | cost: 1 64 | - name: 65 | cost: 1 66 | - name: 67 | cost: 1 68 | - name: 69 | cost: 1 70 | - name: 71 | cost: 1 72 | m_LastAgentTypeID: -887442657 73 | m_Settings: 74 | - serializedVersion: 2 75 | agentTypeID: 0 76 | agentRadius: 0.5 77 | agentHeight: 2 78 | agentSlope: 45 79 | agentClimb: 0.75 80 | ledgeDropHeight: 0 81 | maxJumpAcrossDistance: 0 82 | minRegionArea: 2 83 | manualCellSize: 0 84 | cellSize: 0.16666667 85 | manualTileSize: 0 86 | tileSize: 256 87 | accuratePlacement: 0 88 | m_SettingNames: 89 | - Humanoid 90 | -------------------------------------------------------------------------------- /Assets/Scripts/core/Object.cs: -------------------------------------------------------------------------------- 1 | using UnityEngine; 2 | using System.Collections; 3 | using System.Collections.Generic; 4 | using LinHowe.WaterRender; 5 | 6 | namespace LinHowe 7 | { 8 | /// 9 | /// 与水交互的物体 10 | /// 11 | [RequireComponent(typeof(Collider))] 12 | public class Object : MonoBehaviour 13 | { 14 | public List waterSurfacesList; 15 | 16 | protected Renderer m_Renderer; 17 | protected Matrix4x4 m_LocalMatrix; 18 | protected float heightOffset;//最高点 19 | protected Collider m_Collider; 20 | protected Bounds m_Bounds; 21 | protected void Start() 22 | { 23 | m_Renderer = gameObject.GetComponent(); 24 | m_LocalMatrix = transform.localToWorldMatrix; 25 | m_Collider = GetComponent(); 26 | m_Bounds = m_Collider.bounds; 27 | heightOffset = m_Bounds.size.y / 2 + m_Bounds.center.y - transform.position.y + 0.05f; 28 | Init(); 29 | } 30 | protected virtual void Init() 31 | { 32 | 33 | } 34 | protected void OnRenderObject() 35 | { 36 | if (m_Renderer && m_LocalMatrix != transform.localToWorldMatrix) 37 | { 38 | m_LocalMatrix = transform.localToWorldMatrix; 39 | foreach(WaterSurface water in waterSurfacesList) 40 | { 41 | if(transform.position.y + heightOffset > water.transform.position.y) 42 | { 43 | water.DrawObject(m_Renderer); 44 | } 45 | 46 | } 47 | 48 | } 49 | } 50 | 51 | 52 | } 53 | } 54 | 55 | -------------------------------------------------------------------------------- /Assets/Shaders/NormalGenerate.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/NormalGenerate" 2 | { 3 | Properties 4 | { 5 | _MainTex ("Texture", 2D) = "white" {} 6 | } 7 | SubShader 8 | { 9 | Cull Off ZWrite Off ZTest Always 10 | 11 | Pass 12 | { 13 | CGPROGRAM 14 | #pragma vertex vert 15 | #pragma fragment frag 16 | 17 | #include "UnityCG.cginc" 18 | #include "internal.cginc" 19 | 20 | #pragma multi_compile NoiseWave Other 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | v2f vert(appdata v) 34 | { 35 | v2f o; 36 | o.vertex = UnityObjectToClipPos(v.vertex); 37 | o.uv = v.uv; 38 | return o; 39 | } 40 | 41 | sampler2D _MainTex; 42 | float4 _MainTex_TexelSize;//Vector4(1 / width, 1 / height, width, height) 43 | 44 | float4 frag (v2f i) : SV_Target 45 | { 46 | float lh = DecodeHeight(tex2D(_MainTex, i.uv + float2(-_MainTex_TexelSize.x, 0.0))); 47 | float rh = DecodeHeight(tex2D(_MainTex, i.uv + float2(_MainTex_TexelSize.x, 0.0))); 48 | float bh = DecodeHeight(tex2D(_MainTex, i.uv + float2(0.0, -_MainTex_TexelSize.y))); 49 | float th = DecodeHeight(tex2D(_MainTex, i.uv + float2(0.0, _MainTex_TexelSize.y))); 50 | float3 normal = normalize(float3(lh - rh, bh - th, 5.0*_MainTex_TexelSize.x)); 51 | #if defined(UNITY_NO_DXT5nm) 52 | return float4(normal*0.5 + 0.5, 1.0); 53 | #else 54 | #if UNITY_VERSION > 2018 55 | return float4(normal.x*0.5 + 0.5, normal.y*0.5 + 0.5, 0, 1); //2018修改了法线压缩方式，增加了一种BC5压缩 56 | #else 57 | return float4(0, normal.y*0.5 + 0.5, 0, normal.x*0.5 + 0.5); 58 | #endif 59 | #endif 60 | } 61 | ENDCG 62 | } 63 | } 64 | } 65 | -------------------------------------------------------------------------------- /Assets/Shaders/GerstnerWave.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/GerstnerWave" 2 | { 3 | Properties 4 | { 5 | _MainTex ("CurTex", 2D) = "white" {} 6 | _PreTex("PreTex", 2D) = "white" {} 7 | _WaveParams("WaveParams", vector) = (0,0,0,0) 8 | } 9 | SubShader 10 | { 11 | Cull Off ZWrite Off ZTest Always 12 | 13 | Pass 14 | { 15 | CGPROGRAM 16 | #pragma vertex vert 17 | #pragma fragment frag 18 | 19 | #include "UnityCG.cginc" 20 | #include "internal.cginc" 21 | struct appdata 22 | { 23 | float4 vertex : POSITION; 24 | float2 uv : TEXCOORD0; 25 | }; 26 | 27 | struct v2f 28 | { 29 | float2 uv : TEXCOORD0; 30 | float4 vertex : SV_POSITION; 31 | }; 32 | 33 | sampler2D _MainTex; 34 | sampler2D _PreTex; 35 | float4 _WaveParams; 36 | float4 _MainTex_TexelSize; 37 | float2 _WaveOrigin; 38 | float _Timer; 39 | float Qi; 40 | v2f vert (appdata v) 41 | { 42 | v2f o; 43 | o.vertex = UnityObjectToClipPos(v.vertex); 44 | o.uv = v.uv; 45 | return o; 46 | } 47 | 48 | float4 frag (v2f i) : SV_Target 49 | { 50 | float t = dot(_WaveParams.yz,i.uv - _WaveOrigin) + _Timer * _WaveParams.w; 51 | Qi = 1 / _WaveParams.w / _WaveParams.x; 52 | #if GenerateGerstnerOffsetX 53 | float offset = DecodeHeight(tex2D(_WaterOffsetXMap, float4(i.uv,0,0))); 54 | offset += _WaveParams.x / _WaveParams.w * Qi * dot(_WaveParams.yz,float2((i.uv - _WaveOrigin).x,0)) * cos(t) ; 55 | return EncodeHeight(offset); 56 | #elif GenerateGerstnerOffsetZ 57 | float offset = DecodeHeight(tex2D(_WaterOffsetZMap, float4(i.uv,0,0))); 58 | offset += _WaveParams.x / _WaveParams.w * Qi * dot(_WaveParams.yz,float2(0,(i.uv - _WaveOrigin).y)) * cos(t) ; 59 | return EncodeHeight(offset); 60 | #else 61 | float cur = DecodeHeight(tex2D(_MainTex, i.uv)); 62 | cur += _WaveParams.x * sin(t); 63 | return EncodeHeight(cur); 64 | #endif 65 | 66 | } 67 | ENDCG 68 | } 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /Assets/Scripts/core/TestForceToWater.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | using System.Collections.Generic; 3 | using UnityEngine; 4 | using LinHowe.WaterRender; 5 | 6 | namespace LinHowe.WaveEquation 7 | { 8 | 9 | public class TestForceToWater : MonoBehaviour 10 | { 11 | 12 | 13 | public WaterSurface water;//水面 14 | public float swipeSize; 15 | public Mesh swipeMesh; 16 | public float height, force; 17 | private bool IsBeginDrag; 18 | private Camera MainCamera; 19 | private void Start() 20 | { 21 | MainCamera = GameObject.FindGameObjectWithTag("MainCamera") 22 | 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1 74 | - _SrcBlend: 1 75 | - _UVSec: 0 76 | - _ZWrite: 1 77 | m_Colors: 78 | - _Color: {r: 1, g: 1, b: 1, a: 1} 79 | - _EmissionColor: {r: 0, g: 0, b: 0, a: 1} 80 | - _WaterColor: {r: 0.5882353, g: 0.6052738, b: 0.9411765, a: 1} 81 | -------------------------------------------------------------------------------- /Assets/Scripts/SIneWave/SineWaveMonoBehaviour.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using UnityEngine; 4 | namespace LinHowe 5 | { 6 | [Serializable] 7 | public struct SineWave 8 | { 9 | public float L, A, S;//波长，波幅,速度 10 | public Vector2 pos;//波源 11 | public Vector2 D;//方向 12 | public float T;//周期 13 | } 14 | /// 15 | /// 用以显示波形参数 16 | /// 17 | public class SineWaveMonoBehaviour : MonoBehaviour 18 | { 19 | [SerializeField] 20 | public List waves = new List(); 21 | private WaterRender.WaterSurface water; 22 | private void Awake() 23 | { 24 | water = GetComponent(); 25 | if (water == null) 26 | Debug.LogError("Need WaterSurface Component"); 27 | } 28 | 29 | /// 30 | /// 需要将SineWave.pos 转换成uv 31 | /// 32 | public void CaluateUV() 33 | { 34 | Vector2 WaterMinBoundary = new Vector2(-water.width / 2, -water.length / 2); 35 | for(int i = 0;i _BoundingBoxMax.x) 57 | return 0; 58 | if (worldPos.y < _BoundingBoxMin.y ) 59 | return 0; 60 | if (worldPos.z < _BoundingBoxMin.z || worldPos.z > _BoundingBoxMax.z) 61 | return 0; 62 | return 1; 63 | } 64 | float4 frag (v2f i) : SV_Target 65 | { 66 | float4 lightDeltaColor =1.0 /_RayStep ;//* internalWorldLightColor; 67 | 68 | float3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldPos)); 69 | 70 | float4 col = float4(0, 0, 0, 0); 71 | 72 | float delta = max(max(_BoundingBoxSize.x,_BoundingBoxSize.y),_BoundingBoxSize.z)/_RayStep; 73 | for (float k = 0 ; k <_RayStep; k += 1) 74 | { 75 | 76 | float3 p = i.worldPos - viewDir * k * delta; 77 | float3 lightDir = normalize(internalWorldLightPos.xyz - p); 78 | float3 hitPos = p + lightDir * (_WaterPlane.w - dot(p, _WaterPlane.xyz) / dot(lightDir, _WaterPlane.xyz)); 79 | float2 uv = (hitPos.xz - _BoundingBoxMin.xz) / _BoundingBoxSize.xz; 80 | float3 normal = UnpackNormal(tex2D(_WaterNormalMap, uv)); 81 | float diffuse = saturate(dot( -lightDir ,normal ) ) ; 82 | float isClip = ClipInBoundingBox(p); 83 | 84 | col += _MainColor * lightDeltaColor * isClip * diffuse ; 85 | } 86 | UNITY_APPLY_FOG(i.fogCoord, col); 87 | return col ; 88 | } 89 | 90 | 91 | ENDCG 92 | } 93 | } 94 | } 95 | -------------------------------------------------------------------------------- /Assets/Scripts/SineWave/GerstnerWave_Component.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using UnityEngine; 3 | 4 | namespace LinHowe 5 | { 6 | /// 7 | /// Gerstner几何波 8 | /// 9 | class GerstnerWave_Component : SineWave_Component 10 | { 11 | RenderTexture GerstnerOffsetXMap; 12 | RenderTexture GerstnerOffsetZMap; 13 | public GerstnerWave_Component(WaterRender.WaterSurface water) : base(water) 14 | { 15 | 16 | } 17 | 18 | public override void InitWaterCamera(int texSize, Material waveEquationMat) 19 | { 20 | GerstnerOffsetXMap = RenderTexture.GetTemporary(texSize, texSize, 16); 21 | GerstnerOffsetXMap.name = "[GerstnerOffsetXMap]"; 22 | RenderTexture.active = GerstnerOffsetXMap; 23 | GL.Clear(false, true, new Color(0, 0, 0, 0)); 24 | 25 | GerstnerOffsetZMap = RenderTexture.GetTemporary(texSize, texSize, 16); 26 | GerstnerOffsetZMap.name = "[GerstnerOffsetZMap]"; 27 | RenderTexture.active = GerstnerOffsetZMap; 28 | GL.Clear(false, true, new Color(0, 0, 0, 0)); 29 | 30 | waveEquationMat.SetFloat("Qi", 0.9f); 31 | } 32 | 33 | public override void OnDestroy() 34 | { 35 | if (GerstnerOffsetXMap) 36 | RenderTexture.ReleaseTemporary(GerstnerOffsetXMap); 37 | if (GerstnerOffsetZMap) 38 | RenderTexture.ReleaseTemporary(GerstnerOffsetZMap); 39 | } 40 | 41 | public override void OnRenderImage(RenderTexture src, RenderTexture dst, Material waveEquationMat) 42 | { 43 | int size = waves.Count; 44 | 45 | for (int i = 0; i < size; ++i) 46 | { 47 | timers[i] += Time.fixedDeltaTime; 48 | if (cycles[i] >= timers[i]) 49 | { 50 | timers[i] -= cycles[i]; 51 | Vector4 waveParams = waves[i]; 52 | Vector2 uv = origins[i]; 53 | 54 | SetWaveParams(waveEquationMat, waveParams, uv); 55 | Shader.EnableKeyword("GenerateGerstnerOffsetX"); 56 | Graphics.Blit(src, GerstnerOffsetXMap, waveEquationMat); 57 | Shader.DisableKeyword("GenerateGerstnerOffsetX"); 58 | Shader.EnableKeyword("GenerateGerstnerOffsetZ"); 59 | Graphics.Blit(src, GerstnerOffsetZMap, waveEquationMat); 60 | Shader.DisableKeyword("GenerateGerstnerOffsetZ"); 61 | Graphics.Blit(src, dst, waveEquationMat); 62 | Graphics.Blit(dst, src); 63 | 64 | } 65 | } 66 | MainTimer += Time.fixedDeltaTime; 67 | } 68 | 69 | public override void OnPostRender() 70 | { 71 | Shader.SetGlobalTexture("_WaterOffsetXMap", GerstnerOffsetXMap); 72 | 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intensity: 1 99 | shadowMapRenderShader: {fileID: 4800000, guid: 5cd80f6ec2f217a4abc8c0bbe5b87132, 100 | type: 3} 101 | -------------------------------------------------------------------------------- /Assets/Scripts/WaveEquation/WaveEquation_Component.cs: -------------------------------------------------------------------------------- 1 | 2 | using UnityEngine; 3 | 4 | namespace LinHowe 5 | { 6 | /// 7 | /// 波动方程模拟组件 8 | /// 9 | class WaveEquation_Component : IWaveComponent 10 | { 11 | private Vector4 waveParams; //波形参数 12 | private RenderTexture PreTexture;//上一刻的渲染纹理 13 | 14 | public WaveEquation_Component(WaterRender.WaterSurface water) : base(water) 15 | { 16 | 17 | } 18 | 19 | public override bool InitAndCheckWaveParams(float speed, float viscosity, float d) 20 | { 21 | if (speed <= 0) 22 | { 23 | Debug.LogError("波速不允许小于等于0！"); 24 | return false; 25 | } 26 | if (viscosity <= 0) 27 | { 28 | Debug.LogError("粘度系数不允许小于等于0！"); 29 | return false; 30 | } 31 | float maxvelocity = d / (2 * Time.fixedDeltaTime) * Mathf.Sqrt(viscosity * Time.fixedDeltaTime + 2); 32 | float velocity = maxvelocity * speed; 33 | float viscositySq = viscosity * viscosity; 34 | float velocitySq = velocity * velocity; 35 | float deltaSizeSq = d * d; 36 | float dt = Mathf.Sqrt(viscositySq + 32 * velocitySq / (deltaSizeSq)); 37 | float dtden = 8 * velocitySq / (deltaSizeSq); 38 | float maxT = (viscosity + dt) / dtden; 39 | float maxT2 = (viscosity - dt) / dtden; 40 | if (maxT2 > 0 && maxT2 < maxT) 41 | maxT = maxT2; 42 | if (maxT < Time.fixedDeltaTime) 43 | { 44 | Debug.LogError("粘度系数不符合要求"); 45 | return false; 46 | } 47 | 48 | float fac = velocitySq * Time.fixedDeltaTime * Time.fixedDeltaTime / deltaSizeSq; 49 | float i = viscosity * Time.fixedDeltaTime - 2; 50 | float j = viscosity * Time.fixedDeltaTime + 2; 51 | 52 | float k1 = (4 - 8 * fac) / (j); 53 | float k2 = i / j; 54 | float k3 = 2 * fac / j; 55 | 56 | waveParams = new Vector4(k1, k2, k3, d); 57 | 58 | return true; 59 | } 60 | 61 | public override void InitWaterCamera(int texSize, Material waveEquationMat) 62 | { 63 | PreTexture = RenderTexture.GetTemporary(texSize, texSize, 16); 64 | PreTexture.name = "[PreTex]"; 65 | RenderTexture.active = PreTexture; 66 | GL.Clear(false, true, new Color(0, 0, 0, 0)); 67 | 68 | SetWaveParams(waveEquationMat); 69 | } 70 | 71 | public override void OnDestroy() 72 | { 73 | if (PreTexture) 74 | RenderTexture.ReleaseTemporary(PreTexture); 75 | } 76 | 77 | public override void OnRenderImage(RenderTexture src, RenderTexture dst, Material waveEquationMat) 78 | { 79 | //传入前一次的高度渲染结果，以在shader中根据二维波方程计算当前高度 80 | waveEquationMat.SetTexture("_PreTex", PreTexture); 81 | 82 | Graphics.Blit(src, dst, waveEquationMat); 83 | 84 | Graphics.Blit(src, PreTexture); 85 | 86 | } 87 | 88 | protected void SetWaveParams(Material waveEquationMat) 89 | { 90 | waveEquationMat.SetVector("_WaveParams", waveParams); 91 | } 92 | 93 | 94 | } 95 | } 96 | -------------------------------------------------------------------------------- /Assets/Scripts/SIneWave/SineWave_Component.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using UnityEngine; 3 | 4 | namespace LinHowe 5 | { 6 | /// 7 | /// 正弦函数模拟水面波形 8 | /// 9 | class SineWave_Component : IWaveComponent 10 | { 11 | 12 | protected SineWaveMonoBehaviour sineWavesMonoBehaviour; 13 | protected List waves = new List();//传入shader中的波形参数 14 | protected List origins = new List();//传入shader中的波源uv参数 15 | protected List timers = new List();//计时器 16 | protected List cycles = new List();//周期 17 | protected float MainTimer = 0;//传入shader的时间参数 18 | 19 | public SineWave_Component(WaterRender.WaterSurface water) : base(water) 20 | { 21 | 22 | } 23 | public override bool InitAndCheckWaveParams(float speed, float viscosity, float d) 24 | { 25 | sineWavesMonoBehaviour = water.GetComponent(); 26 | if (sineWavesMonoBehaviour == null) return false; 27 | sineWavesMonoBehaviour.CaluateUV(); 28 | int size = sineWavesMonoBehaviour.waves.Count; 29 | waves = new List(size); 30 | origins = new List(size); 31 | timers = new List(size); 32 | cycles = new List(size); 33 | for (int i = 0; i < size; ++i) 34 | { 35 | SineWave wave = sineWavesMonoBehaviour.waves[i]; 36 | if (wave.T < 0.1f) wave.T = 0.1f; 37 | //wave.S = speed; 38 | Vector2 direction = wave.D; 39 | wave.D = direction.normalized; 40 | Vector4 WaveParams = Vector4.zero; 41 | float AngularFrequency = 2 * Mathf.PI / wave.L; 42 | float PhaseConstant = AngularFrequency * wave.S; 43 | WaveParams.x = wave.A * PhaseConstant; 44 | WaveParams.y = wave.D.x * AngularFrequency; 45 | WaveParams.z = wave.D.y * AngularFrequency; 46 | WaveParams.w = PhaseConstant; 47 | waves.Add(WaveParams); 48 | origins.Add(wave.pos); 49 | timers.Add(0); 50 | cycles.Add(wave.T); 51 | } 52 | return true; 53 | } 54 | 55 | public override void OnRenderImage(RenderTexture src, RenderTexture dst, Material waveEquationMat) 56 | { 57 | int size = waves.Count; 58 | 59 | for (int i = 0; i < size; ++i) 60 | { 61 | timers[i] += Time.fixedDeltaTime; 62 | if(cycles[i]>=timers[i]) 63 | { 64 | timers[i] -= cycles[i]; 65 | Vector4 waveParams = waves[i]; 66 | Vector2 uv = origins[i]; 67 | 68 | SetWaveParams(waveEquationMat, waveParams, uv); 69 | Graphics.Blit(src, dst, waveEquationMat); 70 | Graphics.Blit(dst, src); 71 | } 72 | 73 | } 74 | MainTimer += Time.fixedDeltaTime; 75 | 76 | 77 | } 78 | 79 | protected void SetWaveParams(Material waveEquationMat, Vector4 waveParams, Vector2 waveOrigin) 80 | { 81 | waveEquationMat.SetVector("_WaveOrigin", waveOrigin); 82 | waveEquationMat.SetVector("_WaveParams", waveParams); 83 | waveEquationMat.SetFloat("_Timer", MainTimer); 84 | } 85 | } 86 | } 87 | -------------------------------------------------------------------------------- /Assets/Shaders/UnderWater.shader: -------------------------------------------------------------------------------- 1 | Shader "LinHowe/UnderWater" 2 | { 3 | Properties 4 | { 5 | _MainTex ("Texture", 2D) = "white" {} 6 | _BumpMap ("Normal Map", 2D) = "bump" { } 7 | _Gloss("Gloss", float) = 0 8 | _Specular("Specular", float) = 0 9 | _Diffuse("Diffuse", float) = 0 10 | _WaterColor("WaterColor", color) = (1,1,1,1) 11 | } 12 | SubShader 13 | { 14 | Tags { "RenderType"="Opaque" } 15 | 16 | Pass 17 | { 18 | CGPROGRAM 19 | #pragma vertex vert 20 | #pragma fragment frag 21 | #pragma multi_compile_fog 22 | 23 | #include "UnityCG.cginc" 24 | #include "internal.cginc" 25 | 26 | struct v2f 27 | { 28 | float4 vertex : SV_POSITION; 29 | float2 uv : TEXCOORD0; 30 | UNITY_FOG_COORDS(1) 31 | float4 TW0 : TEXCOORD2; 32 | float4 TW1 : TEXCOORD3; 33 | float4 TW2 : TEXCOORD4; 34 | float4 shadowProj : TEXCOORD5; 35 | float shadowDepth : TEXCOORD6; 36 | }; 37 | 38 | float _Gloss; 39 | float _Specular; 40 | float _Diffuse; 41 | 42 | sampler2D _MainTex; 43 | sampler2D _BumpTex; 44 | 45 | float4 _WaterColor; 46 | 47 | v2f vert (appdata_full v) 48 | { 49 | v2f o; 50 | o.vertex = UnityObjectToClipPos(v.vertex); 51 | o.uv = v.texcoord; 52 | 53 | 54 | UNITY_TRANSFER_FOG(o,o.vertex); 55 | 56 | 57 | float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz; 58 | float3 worldNormal = UnityObjectToWorldNormal(v.normal); 59 | float3 worldTan = UnityObjectToWorldDir(v.tangent.xyz); 60 | float tanSign = v.tangent.w * unity_WorldTransformParams.w; 61 | float3 worldBinormal = cross(worldNormal, worldTan)*tanSign; 62 | 63 | o.TW0 = float4(worldTan.x, worldBinormal.x, worldNormal.x, worldPos.x); 64 | o.TW1 = float4(worldTan.y, worldBinormal.y, worldNormal.y, worldPos.y); 65 | o.TW2 = float4(worldTan.z, worldBinormal.z, worldNormal.z, worldPos.z); 66 | 67 | float4 cpos = mul(internalWorldLightMV, mul(unity_ObjectToWorld, v.vertex)); 68 | o.shadowProj = mul(internalWorldLightVP, cpos); 69 | float4 pj = o.shadowProj * 0.5f; 70 | pj.xy = float2(pj.x, pj.y) + pj.w; 71 | pj.zw = o.shadowProj.zw; 72 | o.shadowProj = pj; 73 | o.shadowDepth = -cpos.z * internalProjectionParams.w; 74 | 75 | 76 | 77 | return o; 78 | } 79 | 80 | 81 | 82 | float4 frag (v2f i) : SV_Target 83 | { 84 | float3 worldPos = float3(i.TW0.w, i.TW1.w, i.TW2.w); 85 | float3 normal = UnpackNormal(tex2D(_BumpTex, i.uv)); 86 | float3 worldNormal = float3(dot(i.TW0.xyz, normal), dot(i.TW1.xyz, normal), dot(i.TW2.xyz, normal)); 87 | 88 | float3 lightDir = normalize(internalWorldLightDir.xyz); 89 | float3 viewDir = normalize(UnityWorldSpaceViewDir(worldPos)); 90 | 91 | float4 col = tex2D(_MainTex, i.uv); 92 | 93 | //半兰伯特模型 94 | float3 diffuse = internalWorldLightColor.rgb * saturate(0.5 * dot(worldNormal, lightDir) + 0.5) * _Diffuse; 95 | 96 | //Blinn-Phong光照模型 97 | float3 halfdir = normalize(lightDir + viewDir); 98 | float ndh = saturate(dot(worldNormal, halfdir)); 99 | float3 specular = internalWorldLightColor.rgb * pow(ndh, _Specular*128.0)*_Gloss; 100 | 101 | col.rgb *= diffuse + specular; 102 | 103 | float4 shadow = 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"Queue" = "Transparent" } 21 | LOD 100 22 | 23 | //抓取水底内容放到_GrabTexture纹理中 24 | GrabPass{} 25 | 26 | Pass 27 | { 28 | //不写入深度缓存 29 | zwrite off 30 | 31 | //透明度混合 32 | blend srcalpha oneminussrcalpha 33 | 34 | CGPROGRAM 35 | #pragma vertex vert 36 | #pragma fragment frag 37 | #pragma multi_compile_fog 38 | 39 | #include "UnityCG.cginc" 40 | #include "Lighting.cginc" 41 | #include "internal.cginc" 42 | 43 | struct v2f 44 | { 45 | float2 uv : TEXCOORD0; 46 | UNITY_FOG_COORDS(1) 47 | float4 proj0 : TEXCOORD2; 48 | 49 | float4 TW0 : TEXCOORD3; 50 | float4 TW1 : TEXCOORD4; 51 | float4 TW2 : TEXCOORD5; 52 | 53 | float4 vertex : SV_POSITION; 54 | 55 | }; 56 | float _Gloss; 57 | float _Specular; 58 | float _Diffuse; 59 | float _Range; 60 | float _Refract; 61 | float _Height; 62 | float _Offset; 63 | 64 | float4 _BaseColor; 65 | float4 _WaterColor; 66 | 67 | float4 _Fresnel; 68 | 69 | sampler2D _GrabTexture; 70 | sampler2D _CameraDepthTexture; 71 | sampler2D _WaterReflectTexture; 72 | 73 | float4 _GrabTexture_TexelSize; 74 | v2f vert(appdata_full v) 75 | { 76 | v2f o; 77 | 78 | float4 projPos = UnityObjectToClipPos(v.vertex); 79 | 80 | //计算GrabPass纹理的纹理坐标 81 | o.proj0 = ComputeGrabScreenPos(projPos); 82 | 83 | //获取水面的高度 84 | float height = DecodeHeight(tex2Dlod(_WaterHeightMap, float4(v.texcoord.xy,0,0))); 85 | v.vertex.y += height * _Height; 86 | 87 | ////水面几何波造成的偏移 88 | //float offset = DecodeHeight(tex2Dlod(_WaterOffsetXMap, float4(v.texcoord.xy,0,0))); 89 | //v.vertex.x += offset * _Offset; 90 | //offset = DecodeHeight(tex2Dlod(_WaterOffsetZMap, float4(v.texcoord.xy,0,0))); 91 | //v.vertex.z += offset * _Offset; 92 | 93 | o.uv = v.texcoord; 94 | //从顶点着色输出雾数据 95 | UNITY_TRANSFER_FOG(o,o.vertex); 96 | o.vertex = UnityObjectToClipPos(v.vertex); 97 | 98 | float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz; 99 | float3 worldNormal = UnityObjectToWorldNormal(v.normal); 100 | float3 worldTan = UnityObjectToWorldDir(v.tangent.xyz); 101 | float tanSign = v.tangent.w * unity_WorldTransformParams.w; 102 | float3 worldBinormal = cross(worldNormal, worldTan)*tanSign; 103 | o.TW0 = float4(worldTan.x, worldBinormal.x, worldNormal.x, worldPos.x); 104 | o.TW1 = float4(worldTan.y, worldBinormal.y, worldNormal.y, worldPos.y); 105 | o.TW2 = float4(worldTan.z, worldBinormal.z, worldNormal.z, worldPos.z); 106 | 107 | return o; 108 | } 109 | 110 | 111 | float4 frag(v2f i) : SV_Target 112 | { 113 | float3 normal = UnpackNormal(tex2D(_WaterNormalMap, i.uv)); 114 | float3 worldNormal = float3(dot(i.TW0.xyz, normal), dot(i.TW1.xyz, normal), dot(i.TW2.xyz, normal)); 115 | float3 worldPos = float3(i.TW0.w, i.TW1.w, i.TW2.w); 116 | float3 lightDir = normalize(internalWorldLightDir.xyz); 117 | float3 viewDir = normalize(UnityWorldSpaceViewDir(worldPos)); 118 | 119 | float2 projUv = i.proj0.xy / i.proj0.w + normal.xy * _Refract; 120 | float4 refrcol = tex2D(_GrabTexture, projUv); 121 | 122 | float4 reflcol = tex2D(_WaterReflectTexture, projUv); 123 | 124 | refrcol.rgb *= _BaseColor.rgb; 125 | float height = max(DecodeHeight(tex2D(_WaterHeightMap, i.uv)),0); 126 | 127 | //半兰伯特模型 128 | float3 diffuse = internalWorldLightColor.rgb * saturate(0.5 * dot(worldNormal, lightDir) + 0.5) * _Diffuse; 129 | 130 | //Blinn-Phong光照模型 131 | float3 halfdir = normalize(lightDir + viewDir); 132 | float ndh = saturate(dot(worldNormal, halfdir)); 133 | float3 specular = internalWorldLightColor.rgb * pow(ndh, _Specular*128.0)*_Gloss; 134 | 135 | //菲涅尔效果 136 | float bias = _Fresnel.x,scale = _Fresnel.y,power =_Fresnel.z; 137 | float f = clamp(bias + pow(1 - saturate(dot(worldNormal, viewDir)),power) * scale, 0.0, 1.0); 138 | 139 | float4 col; 140 | col.rgb = (diffuse + reflcol.rgb) * f + refrcol.rgb * (1 - f); 141 | col.rgb += specular; 142 | 143 | 144 | //水波突出 145 | col.rgb += _WaterColor.rgb * (height*_Range); 146 | 147 | //从顶点着色器中输出雾效数据，将第二个参数中的颜色值作为雾效的颜色值，且在正向附加渲染通道（forward-additive pass）中 148 | UNITY_APPLY_FOG(i.fogCoord, col); 149 | col.a = 1.0; 150 | 151 | return col; 152 | } 153 | ENDCG 154 | } 155 | } 156 | } 157 | -------------------------------------------------------------------------------- /Assets/Scripts/core/SunLight.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | using System.Collections.Generic; 3 | using UnityEngine; 4 | namespace LinHowe.WaterRender 5 | { 6 | /// 7 | /// 平行光-用于渲染和投射阴影 8 | /// 9 | 10 | [RequireComponent(typeof(Camera))] 11 | public class SunLight : MonoBehaviour 12 | { 13 | public int shadowMapSize; 14 | 15 | public float bias; 16 | 17 | public float near; 18 | public float far; 19 | 20 | public float size; 21 | public float aspect; 22 | public Color color; 23 | public float intensity; 24 | 25 | public Shader shadowMapRenderShader; 26 | 27 | private Camera m_Camera; 28 | private RenderTexture m_ShadowMap; 29 | 30 | private Material m_BGMaterial; 31 | 32 | void Start() 33 | { 34 | 35 | InitRenderTarget(); 36 | 37 | m_BGMaterial = new Material(shadowMapRenderShader); 38 | 39 | } 40 | 41 | void OnPreRender() 42 | { 43 | InitRenderTarget(); 44 | Matrix4x4 wtl = m_Camera.worldToCameraMatrix; 45 | 46 | Shader.SetGlobalColor("internalWorldLightColor", 47 | new Color(color.r * intensity, color.g * intensity, color.b * intensity, color.a)); 48 | Vector3 dirction = transform.rotation * - Vector3.forward; 49 | Shader.SetGlobalVector("internalWorldLightDir", 50 | dirction); 51 | Shader.SetGlobalVector("internalWorldLightPos", 52 | transform.position); 53 | Shader.SetGlobalMatrix("internalWorldLightMV", wtl); 54 | Shader.SetGlobalMatrix("internalWorldLightVP", m_Camera.projectionMatrix); 55 | Shader.SetGlobalVector("internalProjectionParams", 56 | new Vector4(0.01f, m_Camera.nearClipPlane, m_Camera.farClipPlane, 1 / m_Camera.farClipPlane)); 57 | Shader.SetGlobalFloat("internalBias", bias); 58 | } 59 | 60 | void InitRenderTarget() 61 | { 62 | if (m_Camera == null) 63 | { 64 | m_Camera = GetComponent(); 65 | if (m_Camera == null) 66 | m_Camera = gameObject.AddComponent(); 67 | 68 | m_Camera.aspect = aspect; 69 | m_Camera.backgroundColor = new Color(1, 1, 1, 0); 70 | m_Camera.clearFlags = CameraClearFlags.SolidColor; 71 | m_Camera.depth = 0; 72 | m_Camera.farClipPlane = far; 73 | m_Camera.nearClipPlane = near; 74 | m_Camera.orthographic = true; 75 | m_Camera.orthographicSize = size; 76 | m_Camera.SetReplacementShader(shadowMapRenderShader, "RenderType"); 77 | } 78 | if (m_ShadowMap == null) 79 | { 80 | m_ShadowMap = RenderTexture.GetTemporary(shadowMapSize, shadowMapSize, 16); 81 | m_Camera.targetTexture = m_ShadowMap; 82 | Shader.SetGlobalTexture("internalShadowMap", m_ShadowMap); 83 | } 84 | 85 | } 86 | 87 | void OnDrawGizmos() 88 | { 89 | Gizmos.color = new Color(0, 0.3f, 1f, 0.6f); 90 | 91 | Vector3 vp1 = transform.position + transform.rotation * new Vector3(-size * aspect, -size, near); 92 | Vector3 vp2 = transform.position + transform.rotation * new Vector3(-size * aspect, size, near); 93 | Vector3 vp3 = transform.position + transform.rotation * new Vector3(size * aspect, size, near); 94 | Vector3 vp4 = transform.position + transform.rotation * new Vector3(size * aspect, -size, near); 95 | 96 | Vector3 vp5 = transform.position + transform.rotation * new Vector3(-size * aspect, -size, far); 97 | Vector3 vp6 = transform.position + transform.rotation * new Vector3(-size * aspect, size, far); 98 | Vector3 vp7 = transform.position + transform.rotation * new Vector3(size * aspect, size, far); 99 | Vector3 vp8 = transform.position + transform.rotation * new Vector3(size * aspect, -size, far); 100 | 101 | Gizmos.DrawLine(vp1, vp2); 102 | Gizmos.DrawLine(vp2, vp3); 103 | Gizmos.DrawLine(vp3, vp4); 104 | Gizmos.DrawLine(vp4, vp1); 105 | 106 | Gizmos.DrawLine(vp5, vp6); 107 | Gizmos.DrawLine(vp6, vp7); 108 | Gizmos.DrawLine(vp7, vp8); 109 | Gizmos.DrawLine(vp8, vp5); 110 | 111 | Gizmos.DrawLine(vp1, vp5); 112 | Gizmos.DrawLine(vp2, vp6); 113 | Gizmos.DrawLine(vp3, vp7); 114 | 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-------------------------------------------------------------------------------- /Assets/Scripts/core/FloatingObject.cs: -------------------------------------------------------------------------------- 1 | using UnityEngine; 2 | using System.Collections; 3 | using System.Collections.Generic; 4 | using LinHowe.WaterRender; 5 | 6 | namespace LinHowe 7 | { 8 | /// 9 | /// 浮体 10 | /// 11 | 12 | [RequireComponent(typeof(Rigidbody))] 13 | [RequireComponent(typeof(MeshFilter))] 14 | public class FloatingObject : Object 15 | { 16 | public int VoxelSize = 1; 17 | public float dragInWater = 1f,angularDragInWater = 1f;//阻力 18 | 19 | private Rigidbody m_Rigidbody; 20 | private float m_Volume;//体积 21 | //private float m_Density;//密度 22 | //private float m_Mass;//质量 23 | private Vector3[] m_Voxels;//体素 24 | private Vector3 voxelSize; 25 | private float initialDrag, initialAngularDrag; 26 | 27 | protected override void Init() 28 | { 29 | 30 | if(VoxelSize<1) 31 | VoxelSize = 1; 32 | m_Rigidbody = gameObject.GetComponent(); 33 | initialDrag = m_Rigidbody.drag; 34 | initialAngularDrag = m_Rigidbody.angularDrag; 35 | 36 | 37 | //m_Mass = m_Rigidbody.mass; 38 | 39 | CalualateVolume(); 40 | //m_Density = m_Mass / m_Volume; 41 | CalualateVoxels(); 42 | } 43 | 44 | /// 45 | /// 计算体积 46 | /// 47 | private void CalualateVolume() 48 | { 49 | MeshFilter mf = GetComponent(); 50 | Mesh mesh = mf.mesh; 51 | float volume = 0f; 52 | Vector3[] vertices = mesh.vertices; 53 | int[] triangles = mesh.triangles; 54 | for (int i = 0; i < mesh.triangles.Length; i += 3) 55 | { 56 | Vector3 p1 = vertices[triangles[i + 0]]; 57 | Vector3 p2 = vertices[triangles[i + 1]]; 58 | Vector3 p3 = vertices[triangles[i + 2]]; 59 | 60 | Vector3 a = p1 - p2; 61 | Vector3 b = p1 - p3; 62 | Vector3 c = p1 - Vector3.zero; 63 | 64 | volume += (Vector3.Dot(a, Vector3.Cross(b, c))) / 6f; 65 | 66 | } 67 | 68 | m_Volume = Mathf.Abs(volume) * transform.localScale.x * transform.localScale.y * transform.localScale.z; 69 | } 70 | 71 | private void CalualateVoxels() 72 | { 73 | Quaternion initialRotation = this.transform.rotation; 74 | this.transform.rotation = Quaternion.identity; 75 | 76 | Bounds bounds = m_Bounds; 77 | this.voxelSize.x = bounds.size.x / VoxelSize; 78 | this.voxelSize.y = bounds.size.y / VoxelSize; 79 | this.voxelSize.z = bounds.size.z / VoxelSize; 80 | List voxels = new List( VoxelSize * VoxelSize * VoxelSize); 81 | 82 | for (int j = 0; j < VoxelSize; j++) 83 | { 84 | for (int i = 0; i < VoxelSize; i++) 85 | { 86 | for (int k = 0; k < VoxelSize; k++) 87 | { 88 | float pX = bounds.min.x + this.voxelSize.x * (0.5f + i); 89 | float pY = bounds.min.y + this.voxelSize.y * (0.5f + j); 90 | float pZ = bounds.min.z + this.voxelSize.z * (0.5f + k); 91 | 92 | Vector3 point = new Vector3(pX, pY, pZ); 93 | if (IsPointInsideCollider(point)) 94 | { 95 | voxels.Add(this.transform.InverseTransformPoint(point)); 96 | } 97 | } 98 | } 99 | } 100 | 101 | transform.rotation = initialRotation; 102 | 103 | m_Voxels = voxels.ToArray(); 104 | } 105 | 106 | private bool IsPointInsideCollider(Vector3 point) 107 | { 108 | float rayLength = m_Bounds.size.magnitude; 109 | Ray ray = new Ray(point, m_Collider.transform.position - point); 110 | RaycastHit hit; 111 | 112 | if (Physics.Raycast(ray, out hit, rayLength)) 113 | { 114 | if (hit.collider == m_Collider) 115 | { 116 | return false; 117 | } 118 | } 119 | 120 | return true; 121 | } 122 | 123 | 124 | private void FixedUpdate() 125 | { 126 | 127 | int len = m_Voxels.Length; 128 | //int planeVoxels = VoxelSize * VoxelSize; 129 | 130 | foreach (WaterSurface water in waterSurfacesList) 131 | { 132 | Vector3 force = water.Density * m_Volume * -Physics.gravity / m_Voxels.Length; 133 | 134 | float submergedVolume = 0f; 135 | 136 | for (int i = 0; i < len; i++) 137 | { 138 | Vector3 worldPoint = transform.TransformPoint(m_Voxels[i]); 139 | 140 | float submergedFactor = 0; 141 | 142 | if (worldPoint.y < water.transform.position.y) 143 | { 144 | submergedFactor = 1;// i / planeVoxels + voxelSize.y*0.5f; 145 | submergedVolume += submergedFactor; 146 | } 147 | 148 | 149 | Vector3 surfaceNormal = water.GetSurfaceNormal(worldPoint); 150 | Quaternion surfaceRotation = Quaternion.FromToRotation(water.transform.up, surfaceNormal); 151 | surfaceRotation = Quaternion.Slerp(surfaceRotation, Quaternion.identity, submergedFactor); 152 | 153 | Vector3 finalVoxelForce = surfaceRotation * force * submergedFactor; 154 | m_Rigidbody.AddForceAtPosition(finalVoxelForce, worldPoint); 155 | 156 | Debug.DrawLine(worldPoint, worldPoint + finalVoxelForce.normalized, Color.blue); 157 | } 158 | 159 | submergedVolume /= len; 160 | 161 | m_Rigidbody.drag = Mathf.Lerp(this.initialDrag, this.dragInWater, submergedVolume); 162 | m_Rigidbody.angularDrag = Mathf.Lerp(this.initialAngularDrag, this.angularDragInWater, submergedVolume); 163 | } 164 | } 165 | 166 | 167 | } 168 | } -------------------------------------------------------------------------------- /Assets/Scripts/core/ReflectCamera.cs: -------------------------------------------------------------------------------- 1 | using UnityEngine; 2 | 3 | namespace LinHowe.WaterRender 4 | { 5 | /// 6 | /// 反射相机 7 | /// 8 | 9 | public class ReflectCamera : MonoBehaviour 10 | { 11 | private RenderTexture MirrorTexture;//镜像纹理 12 | private Camera m_camera; 13 | private Material WaterMat; 14 | private bool isInit = false,isRender =false; 15 | 16 | private void Init() 17 | { 18 | MirrorTexture = RenderTexture.GetTemporary(512, 512, 16); 19 | 20 | m_camera = new GameObject("ReflectCamera").AddComponent(); 21 | m_camera.enabled = false; 22 | m_camera.hideFlags = HideFlags.HideInHierarchy; 23 | Transform t = m_camera.transform; 24 | t.position = transform.position; 25 | t.rotation = transform.rotation; 26 | 27 | Camera curCamera = Camera.current; 28 | CopyCamera(curCamera, m_camera); 29 | 30 | WaterMat = GetComponent().sharedMaterial; 31 | 32 | MirrorTexture.isPowerOfTwo = true; 33 | 34 | m_camera.targetTexture = MirrorTexture; 35 | m_camera.cullingMask = ~(1 << 4) & -1; //设置可以反射的物体 36 | 37 | WaterMat.SetTexture("_WaterReflectTexture", MirrorTexture); 38 | } 39 | 40 | private void OnDestroy() 41 | { 42 | if(MirrorTexture) RenderTexture.ReleaseTemporary(MirrorTexture); 43 | 44 | } 45 | private static void CopyCamera(Camera src, Camera dest) 46 | { 47 | 48 | dest.clearFlags = src.clearFlags; 49 | dest.backgroundColor = src.backgroundColor; 50 | dest.farClipPlane = src.farClipPlane; 51 | dest.nearClipPlane = src.nearClipPlane; 52 | dest.orthographic = src.orthographic; 53 | dest.fieldOfView = src.fieldOfView; 54 | dest.aspect = src.aspect; 55 | dest.orthographicSize = src.orthographicSize; 56 | dest.depthTextureMode = DepthTextureMode.None; 57 | dest.renderingPath = RenderingPath.Forward; 58 | } 59 | 60 | /// 61 | /// 计算反射矩阵 62 | /// 原理https://www.cnblogs.com/wantnon/p/5630915.html 63 | /// 64 | /// 65 | /// 66 | private static void CalculateReflectionMatrix(ref Matrix4x4 reflectionMatrix, Vector4 plane) 67 | { 68 | reflectionMatrix.m00 = (1F - 2F * plane[0] * plane[0]); 69 | reflectionMatrix.m01 = (-2F * plane[0] * plane[1]); 70 | reflectionMatrix.m02 = (-2F * plane[0] * plane[2]); 71 | reflectionMatrix.m03 = (-2F * plane[3] * plane[0]); 72 | 73 | reflectionMatrix.m10 = (-2F * plane[1] * plane[0]); 74 | reflectionMatrix.m11 = (1F - 2F * plane[1] * plane[1]); 75 | reflectionMatrix.m12 = (-2F * plane[1] * plane[2]); 76 | reflectionMatrix.m13 = (-2F * plane[3] * plane[1]); 77 | 78 | reflectionMatrix.m20 = (-2F * plane[2] * plane[0]); 79 | reflectionMatrix.m21 = (-2F * plane[2] * plane[1]); 80 | reflectionMatrix.m22 = (1F - 2F * plane[2] * plane[2]); 81 | reflectionMatrix.m23 = (-2F * plane[3] * plane[2]); 82 | 83 | reflectionMatrix.m30 = 0F; 84 | reflectionMatrix.m31 = 0F; 85 | reflectionMatrix.m32 = 0F; 86 | reflectionMatrix.m33 = 1F; 87 | } 88 | 89 | private static float SignExt(float a) 90 | { 91 | if (a > 0.0f) return 1.0f; 92 | if (a < 0.0f) return -1.0f; 93 | return 0.0f; 94 | } 95 | 96 | 97 | ///// 98 | ///// 99 | ///// 100 | ///// 101 | ///// 102 | //private static void CalculateObliqueMatrix(ref Matrix4x4 projection, Vector4 clipPlane) 103 | //{ 104 | // Vector4 q = projection.inverse * new Vector4(SignExt(clipPlane.x), SignExt(clipPlane.y), 1.0f, 1.0f); 105 | // Vector4 c = clipPlane * (2.0F / (Vector4.Dot(clipPlane, q))); 106 | 107 | // projection[2] = c.x - projection[3]; 108 | // projection[6] = c.y - projection[7]; 109 | // projection[10] = c.z - projection[11]; 110 | // projection[14] = c.w - projection[15]; 111 | //} 112 | 113 | private void OnWillRenderObject() 114 | { 115 | if(!isInit) 116 | { 117 | Init(); 118 | isInit = true; 119 | } 120 | if (isRender) return; 121 | isRender = true; 122 | 123 | Vector3 pos = transform.position; 124 | Vector3 normal = transform.up; 125 | Camera curCamera = Camera.current; 126 | 127 | //计算反射矩阵 128 | float d = -Vector3.Dot(normal, pos); 129 | Vector4 reflectionPlane = new Vector4(normal.x, normal.y, normal.z, d); 130 | Matrix4x4 reflectionMatrix = Matrix4x4.zero; 131 | CalculateReflectionMatrix(ref reflectionMatrix, reflectionPlane); 132 | 133 | Vector3 oldpos = curCamera.transform.position; 134 | Vector3 newpos = reflectionMatrix.MultiplyPoint(oldpos); 135 | 136 | Matrix4x4 m = m_camera.worldToCameraMatrix = curCamera.worldToCameraMatrix * reflectionMatrix; 137 | 138 | //计算剪切面 139 | Vector3 cpos = m.MultiplyPoint(pos); 140 | Vector3 cnormal = m.MultiplyVector(normal).normalized; 141 | Vector4 clipPlane = new Vector4(cnormal.x, cnormal.y, cnormal.z, -Vector3.Dot(cpos, cnormal)); 142 | 143 | //计算出剪切面相关的投影矩阵，剪切面以下内容不显示 144 | Matrix4x4 projection = curCamera.projectionMatrix; 145 | projection = curCamera.CalculateObliqueMatrix(clipPlane); 146 | m_camera.projectionMatrix = projection; 147 | 148 | //反射相机渲染 149 | GL.invertCulling = true;//渲染的顶点做了翻转操作，但法线没有，所以背面会消隐，该操作翻转剔除操作 150 | { 151 | m_camera.transform.position = newpos; 152 | Vector3 euler = 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1 221 | m_PrefabParentObject: {fileID: 0} 222 | m_PrefabInternal: {fileID: 100100000} 223 | m_GameObject: {fileID: 1299437505971242} 224 | m_Enabled: 1 225 | -------------------------------------------------------------------------------- /Assets/Scripts/core/WaterBody.cs: -------------------------------------------------------------------------------- 1 | using UnityEngine; 2 | using System.Collections; 3 | using System.Collections.Generic; 4 | 5 | namespace LinHowe.WaterRender 6 | { 7 | 8 | public class WaterBody : MonoBehaviour 9 | { 10 | //需要配置的参数 11 | public float width, length, cellSize;//水宽度，长度，单元格大小 12 | public float depth;//水深度 13 | public Material material;//水体材质 14 | 15 | private MeshRenderer mr; 16 | private MeshFilter mf; 17 | private Mesh mesh; 18 | 19 | private void Start() 20 | { 21 | if(material == null) 22 | { 23 | Debug.LogError("Please add material"); 24 | return; 25 | } 26 | InitComponent(); 27 | InitMesh(); 28 | InitMat(); 29 | } 30 | 31 | private void InitMat() 32 | { 33 | //水体包围盒 34 | Vector3 BoundingBoxMin = new Vector3 35 | ( 36 | transform.position.x - width * 0.5f, 37 | transform.position.y - depth, 38 | transform.position.z - length * 0.5f 39 | ); 40 | Vector3 BoundingBoxMax = new Vector3 41 | ( 42 | transform.position.x + width * 0.5f, 43 | transform.position.y, 44 | transform.position.z + length * 0.5f 45 | ); 46 | 47 | //水体平面 48 | Vector4 WaterPlane = 49 | new Vector4 50 | ( 51 | 0, 1, 0, 52 | Vector3.Dot(new Vector3(0, 1, 0), transform.position) 53 | ); 54 | 55 | Vector3 BoundingBoxSize = BoundingBoxMax - BoundingBoxMin; 56 | 57 | Shader.SetGlobalVector("_BoundingBoxMin", BoundingBoxMin); 58 | Shader.SetGlobalVector("_BoundingBoxMax", BoundingBoxMax); 59 | material.SetVector("_BoundingBoxSize", BoundingBoxSize); 60 | material.SetVector("_WaterPlane", WaterPlane); 61 | } 62 | private void InitComponent() 63 | { 64 | mr = gameObject.GetComponent(); 65 | if (mr == null) 66 | mr = gameObject.AddComponent(); 67 | mf = gameObject.GetComponent(); 68 | if (mf == null) 69 | mf = gameObject.AddComponent(); 70 | } 71 | 72 | private void InitMesh() 73 | { 74 | int xsize = Mathf.RoundToInt(width / cellSize); 75 | int ysize = Mathf.RoundToInt(length / cellSize); 76 | 77 | mesh = new Mesh(); 78 | 79 | int ListCapacity = 4 * (ysize + 1) + 4 * (xsize + 1); 80 | List vertexList = new List(ListCapacity); 81 | List normalList = new List(ListCapacity); 82 | List uvList = new List(ListCapacity); 83 | List colorList = new List(ListCapacity); 84 | List indexList = new List(ListCapacity * 3); 85 | 86 | float xcellsize = width / xsize; 87 | float uvxcellsize = 1.0f / xsize; 88 | float ycellsize = length / ysize; 89 | float uvycellsize = 1.0f / ysize; 90 | 91 | for (int i = 0; i <= ysize; i++) 92 | { 93 | vertexList.Add(new Vector3(-width * 0.5f, -depth, -length * 0.5f + i * ycellsize)); 94 | vertexList.Add(new Vector3(-width * 0.5f, 0, -length * 0.5f + i * ycellsize)); 95 | vertexList.Add(new Vector3(width * 0.5f, -depth, -length * 0.5f + i * ycellsize)); 96 | vertexList.Add(new Vector3(width * 0.5f, 0, -length * 0.5f + i * ycellsize)); 97 | normalList.Add(Vector3.left); 98 | normalList.Add(Vector3.left); 99 | normalList.Add(Vector3.right); 100 | normalList.Add(Vector3.right); 101 | colorList.Add(Color.white); 102 | colorList.Add(new Color(1, 1, 1, 0)); 103 | colorList.Add(Color.white); 104 | colorList.Add(new Color(1, 1, 1, 0)); 105 | uvList.Add(new Vector2(0, i * uvycellsize)); 106 | uvList.Add(new Vector2(0, i * uvycellsize)); 107 | uvList.Add(new Vector2(1, i * uvycellsize)); 108 | uvList.Add(new Vector2(1, i * uvycellsize)); 109 | 110 | if (i < ysize) 111 | { 112 | indexList.Add(i * 4); 113 | indexList.Add((i + 1) * 4 + 1); 114 | indexList.Add(i * 4 + 1); 115 | indexList.Add(i * 4); 116 | indexList.Add((i + 1) * 4); 117 | indexList.Add((i + 1) * 4 + 1); 118 | 119 | indexList.Add((i + 1) * 4 + 2); 120 | indexList.Add(i * 4 + 3); 121 | indexList.Add((i + 1) * 4 + 3); 122 | indexList.Add((i + 1) * 4 + 2); 123 | indexList.Add(i * 4 + 2); 124 | indexList.Add(i * 4 + 3); 125 | } 126 | } 127 | 128 | for (int j = 0; j <= xsize; j++) 129 | { 130 | vertexList.Add(new Vector3(-width * 0.5f + j * xcellsize, -depth, -length * 0.5f)); 131 | vertexList.Add(new Vector3(-width * 0.5f + j * xcellsize, 0, -length * 0.5f)); 132 | vertexList.Add(new Vector3(-width * 0.5f + j * xcellsize, -depth, length * 0.5f)); 133 | vertexList.Add(new Vector3(-width * 0.5f + j * xcellsize, 0, length * 0.5f)); 134 | normalList.Add(Vector3.back); 135 | normalList.Add(Vector3.back); 136 | normalList.Add(Vector3.forward); 137 | normalList.Add(Vector3.forward); 138 | colorList.Add(Color.white); 139 | colorList.Add(new Color(1, 1, 1, 0)); 140 | colorList.Add(Color.white); 141 | colorList.Add(new Color(1, 1, 1, 0)); 142 | uvList.Add(new Vector2(j * uvxcellsize, 0)); 143 | uvList.Add(new Vector2(j * uvxcellsize, 0)); 144 | uvList.Add(new Vector2(j * uvxcellsize, 1)); 145 | uvList.Add(new Vector2(j * uvxcellsize, 1)); 146 | 147 | if (j < xsize) 148 | { 149 | indexList.Add((ysize + 1) * 4 + j * 4); 150 | indexList.Add((ysize + 1) * 4 + j * 4 + 1); 151 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4 + 1); 152 | indexList.Add((ysize + 1) * 4 + j * 4); 153 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4 + 1); 154 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4); 155 | 156 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4 + 2); 157 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4 + 3); 158 | indexList.Add((ysize + 1) * 4 + j * 4 + 3); 159 | indexList.Add((ysize + 1) * 4 + (j + 1) * 4 + 2); 160 | indexList.Add((ysize + 1) * 4 + j * 4 + 3); 161 | indexList.Add((ysize + 1) * 4 + j * 4 + 2); 162 | } 163 | } 164 | 165 | mesh.SetVertices(vertexList); 166 | mesh.SetNormals(normalList); 167 | mesh.SetColors(colorList); 168 | mesh.SetUVs(0, uvList); 169 | mesh.SetTriangles(indexList, 0); 170 | mesh.RecalculateNormals(); 171 | mesh.RecalculateTangents(); 172 | 173 | mf.sharedMesh = mesh; 174 | mr.sharedMaterial = material; 175 | } 176 | } 177 | } 178 | 179 | -------------------------------------------------------------------------------- /Assets/Scripts/WaveEquation/TestWaveEquation.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | using System.Collections.Generic; 3 | using UnityEngine; 4 | using System; 5 | 6 | 7 | namespace LinHowe.WaveEquation 8 | { 9 | /// 10 | /// 测试波动方程 11 | /// 12 | public class TestWaveEquation : MonoBehaviour 13 | { 14 | //需要配置的参数 15 | public int Xsize = 90;//x轴绘制的精度 16 | public Material mat = null;//水材质 17 | public float u = 0.894f;//液体粘稠度 18 | 19 | 20 | private MeshRenderer mr; 21 | private MeshFilter mf; 22 | 23 | private Mesh mesh; 24 | 25 | //波形顶点位置 26 | private List VertexList = new List(); 27 | 28 | //记录的前个时间点的波形位置 29 | private List LastVertexList = new List(); 30 | 31 | //记录的下个时间点的波形位置 32 | private List NextVertexList = new List(); 33 | 34 | private List Indexes = new List(); 35 | 36 | //波速和dx 37 | public float c, d; 38 | 39 | private float K1, K2, K3; 40 | 41 | private float minX; 42 | /// 43 | /// 将xOy平面上的单位正方形转换到物体坐标系 44 | /// 45 | /// 46 | /// 47 | private Vector3 CubeToLocal(Vector3 PosInCube) 48 | { 49 | Vector3 PosInCamera = Camera.main.projectionMatrix.inverse.MultiplyPoint(PosInCube); 50 | Vector3 PosInWorld = Camera.main.cameraToWorldMatrix.MultiplyPoint(PosInCamera); 51 | Vector3 PosInLocal = transform.worldToLocalMatrix.MultiplyPoint(PosInWorld); 52 | return PosInLocal; 53 | } 54 | 55 | private void Awake() 56 | { 57 | InitMesh(); 58 | RandomWave(); 59 | } 60 | /// 61 | /// 初始化组件 62 | /// 63 | private void InitComponents() 64 | { 65 | mr = GetComponent(); 66 | if(null == mr) 67 | mr = gameObject.AddComponent(); 68 | mf = GetComponent(); 69 | if (null == mf) 70 | mf = gameObject.AddComponent(); 71 | } 72 | 73 | /// 74 | /// 网格初始化 75 | /// 76 | private void InitMesh() 77 | { 78 | InitComponents(); 79 | 80 | if (mat == null) 81 | mat = new Material(Shader.Find("Diffuse")); 82 | mesh = new Mesh(); 83 | mr.sharedMaterial = mat; 84 | mf.sharedMesh = mesh; 85 | 86 | //为List分配好容量 87 | int PointsNumber = Xsize * 2 + 2; 88 | if (PointsNumber < 0) 89 | PointsNumber = 0; 90 | VertexList = new List(PointsNumber); 91 | LastVertexList = new List(PointsNumber); 92 | NextVertexList = new List(PointsNumber); 93 | Indexes = new List(PointsNumber); 94 | 95 | DrawMesh(); 96 | 97 | mesh.SetVertices(VertexList); 98 | mesh.SetTriangles(Indexes, 0); 99 | 100 | Vector3 ZeroCenter = CubeToLocal(Vector3.zero); 101 | 102 | float HalfXLength = CubeToLocal(Vector3.right).x - ZeroCenter.x; 103 | d = HalfXLength / (Xsize / 2); 104 | 105 | minX = CubeToLocal(Vector3.left).x; 106 | } 107 | 108 | /// 109 | /// 绘制网格 110 | /// 111 | private void DrawMesh() 112 | { 113 | 114 | Vector3 p1 = new Vector3(-1, -1, 0); 115 | Vector3 p2 = Vector3.left; 116 | if (Xsize < 10) 117 | Xsize = 10; 118 | Vector3 deleteVector = new Vector3(2f / Xsize, 0,0); 119 | 120 | 121 | for (int i = 0;i <= Xsize; ++i,p1 += deleteVector,p2 += deleteVector) 122 | { 123 | Vector3 v1 = CubeToLocal(p1); 124 | Vector3 v2 = CubeToLocal(p2); 125 | VertexList.Add(v1); 126 | VertexList.Add(v2); 127 | LastVertexList.Add(v1); 128 | LastVertexList.Add(v2); 129 | NextVertexList.Add(v1); 130 | NextVertexList.Add(v2); 131 | 132 | //绘制四边形 133 | if (i < Xsize) 134 | { 135 | int j = i * 2; 136 | Indexes.Add(j); 137 | Indexes.Add(j + 1); 138 | Indexes.Add(j + 3); 139 | Indexes.Add(j); 140 | Indexes.Add(j + 3); 141 | Indexes.Add(j + 2); 142 | } 143 | } 144 | } 145 | 146 | private void FixedUpdate() 147 | { 148 | //公式来源 Mathematics for 3D Game Programming and Computer Graphics(third Edition) 149 | for (int i = 1; i < Xsize; i++) 150 | { 151 | float cy = VertexList[i * 2 + 1].y; 152 | float ly = LastVertexList[i * 2 + 1].y; 153 | float cy1 = VertexList[(i - 1) * 2 + 1].y; 154 | float cy2 = VertexList[(i + 1) * 2 + 1].y; 155 | 156 | float ny = cy * K1 + ly * K2 + (cy1 + cy2) * K3; 157 | 158 | Vector3 p = NextVertexList[i * 2 + 1]; 159 | p.y = ny; 160 | NextVertexList[i * 2 + 1] = p; 161 | } 162 | 163 | for (int i = 0; i <= Xsize; i++) 164 | { 165 | int j = i * 2 + 1; 166 | LastVertexList[j] = VertexList[j]; 167 | VertexList[j] = NextVertexList[j]; 168 | } 169 | mesh.Clear(); 170 | mesh.SetVertices(VertexList); 171 | mesh.SetTriangles(Indexes, 0); 172 | 173 | } 174 | 175 | private void RandomWave() 176 | { 177 | 178 | //速度 179 | c = UnityEngine.Random.Range(-10f, 10f); 180 | 181 | //液体粘稠度大于0 182 | u = Mathf.Clamp(u, 0.00000001f, float.MaxValue); 183 | 184 | //约束速度 185 | float cmax = d / 2 / Time.fixedDeltaTime * Mathf.Sqrt(u * Time.fixedDeltaTime + 2); 186 | c = Mathf.Clamp(c, -cmax, cmax); 187 | 188 | //约束时间间隔 189 | float tmax = (u - Mathf.Sqrt(u * u + 32 * c * c / d / d)) / (8 * c * c / d / d); 190 | if(tmax <= 0) 191 | { 192 | tmax = (u + Mathf.Sqrt(u * u + 32 * c * c / d / d)) / (8 * c * c / d / d); 193 | } 194 | if (tmax < Time.fixedDeltaTime) 195 | { 196 | RandomWave(); 197 | return; 198 | } 199 | 200 | K3 = 2 * c * c * Time.fixedDeltaTime * Time.fixedDeltaTime / (d * d); 201 | 202 | K1 = (4 - 2 * K3)/(u * Time.fixedDeltaTime + 2); 203 | 204 | K2 = (u * Time.fixedDeltaTime - 2) / (u * Time.fixedDeltaTime + 2); 205 | 206 | K3 = K3/ (u * Time.fixedDeltaTime + 2); 207 | } 208 | void Update() 209 | { 210 | if (Input.GetMouseButton(0)) 211 | { 212 | Vector3 worldPos = Camera.main.ScreenToWorldPoint(Input.mousePosition); 213 | AddWave(worldPos); 214 | } 215 | } 216 | private void AddWave(Vector3 pos) 217 | { 218 | Vector3 localPos = transform.worldToLocalMatrix.MultiplyPoint(pos); 219 | 220 | int hit = Mathf.RoundToInt((localPos.x - minX) / d); 221 | if (hit >= 0 && hit <= Xsize) 222 | { 223 | Vector3 p = VertexList[hit * 2 + 1]; 224 | float force = UnityEngine.Random.Range(-0.1f, 0.2f); 225 | p.y += force; 226 | VertexList[hit * 2 + 1] = p; 227 | } 228 | } 229 | 230 | } 231 | } 232 | 233 | -------------------------------------------------------------------------------- /Assets/Scripts/core/WaterCamera.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using UnityEngine; 3 | using UnityEngine.Rendering; 4 | 5 | namespace LinHowe.WaterRender 6 | { 7 | /// 8 | /// 用以获取水面的各种信息 9 | /// 10 | 11 | public class WaterCamera:MonoBehaviour 12 | { 13 | private Camera m_Camera; 14 | private RenderTexture CurTexture;//当前渲染纹理 15 | private RenderTexture HeightMap;//高度纹理贴图 16 | private RenderTexture NormalMap;//法线纹理贴图 17 | 18 | private Material waveEquationMat;//波动方程材质 19 | private Material normalGenerateMat;//法线生成材质 20 | private Material forceMat;//力的材质 21 | private CommandBuffer m_CommandBuffer; 22 | 23 | private IWaveComponent waveComponent; 24 | public void InitMat(Shader waveEquationShader, Shader normalGenerateShader, Shader forceShader) 25 | { 26 | if (waveEquationShader) waveEquationMat = new Material(waveEquationShader); 27 | else waveEquationMat = new Material(Shader.Find("LinHowe/WaveEquation")); 28 | 29 | if (normalGenerateShader) normalGenerateMat = new Material(normalGenerateShader); 30 | else normalGenerateMat = new Material(Shader.Find("LinHowe/NormalGenerate")); 31 | 32 | if (forceShader) forceMat = new Material(forceShader); 33 | else forceMat = new Material(Shader.Find("LinHowe/Force")); 34 | } 35 | 36 | public void Init(float width, float height, float depth, int texSize, IWaveComponent waveComponent) 37 | { 38 | this.waveComponent = waveComponent; 39 | waveComponent.InitWaterCamera(texSize,waveEquationMat); 40 | 41 | 42 | m_Camera = gameObject.AddComponent(); 43 | m_Camera.aspect = width / height; 44 | m_Camera.backgroundColor = Color.black; 45 | m_Camera.cullingMask = 0; 46 | m_Camera.depth = 0; 47 | m_Camera.farClipPlane = depth; 48 | m_Camera.nearClipPlane = 0; 49 | m_Camera.orthographic = true; 50 | m_Camera.orthographicSize = height * 0.5f; 51 | m_Camera.clearFlags = CameraClearFlags.Depth; 52 | m_Camera.allowHDR = false; 53 | m_CommandBuffer = new CommandBuffer(); 54 | m_Camera.AddCommandBuffer(CameraEvent.AfterImageEffectsOpaque, m_CommandBuffer); 55 | 56 | RenderTexture tmp = RenderTexture.active; 57 | 58 | CurTexture = RenderTexture.GetTemporary(texSize, texSize, 16); 59 | CurTexture.name = "[CurTex]"; 60 | RenderTexture.active = CurTexture; 61 | GL.Clear(false, true, new Color(0, 0, 0, 0)); 62 | 63 | //PreTexture = RenderTexture.GetTemporary(texSize, texSize, 16); 64 | //PreTexture.name = "[PreTex]"; 65 | //RenderTexture.active = PreTexture; 66 | //GL.Clear(false, true, new Color(0, 0, 0, 0)); 67 | 68 | HeightMap = RenderTexture.GetTemporary(texSize, texSize, 16); 69 | HeightMap.name = "[HeightMap]"; 70 | RenderTexture.active = HeightMap; 71 | GL.Clear(false, true, new Color(0, 0, 0, 0)); 72 | 73 | NormalMap = RenderTexture.GetTemporary(texSize, texSize, 16); 74 | //NormalMap.format = RenderTextureFormat.ARGB32; 75 | NormalMap.name = "[NormalMap]"; 76 | 77 | RenderTexture.active = tmp; 78 | m_Camera.targetTexture = CurTexture; 79 | } 80 | 81 | public void ForceDrawMesh(Mesh mesh, Matrix4x4 matrix) 82 | { 83 | if (null == mesh || null == m_CommandBuffer) 84 | return; 85 | m_CommandBuffer.DrawMesh(mesh, matrix, forceMat); 86 | } 87 | 88 | public void ForceDrawRenderer(Renderer renderer) 89 | { 90 | if (!renderer) 91 | return; 92 | if (IsBoundsInCamera(renderer.bounds, m_Camera)) 93 | m_CommandBuffer.DrawRenderer(renderer, forceMat); 94 | } 95 | 96 | /// 97 | /// 判断包围盒是否被相机裁剪 98 | /// 99 | /// 100 | /// 101 | /// 102 | private static bool IsBoundsInCamera(Bounds bounds, Camera camera) 103 | { 104 | 105 | Matrix4x4 matrix = camera.projectionMatrix * camera.worldToCameraMatrix; 106 | 107 | int code = 108 | ComputeOutCode(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y + bounds.size.y / 2, 109 | bounds.center.z + bounds.size.z / 2, 1), matrix); 110 | 111 | 112 | code &= 113 | ComputeOutCode(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y + bounds.size.y / 2, 114 | bounds.center.z + bounds.size.z / 2, 1), matrix); 115 | 116 | code &= 117 | ComputeOutCode(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y - bounds.size.y / 2, 118 | bounds.center.z + bounds.size.z / 2, 1), matrix); 119 | 120 | code &= 121 | ComputeOutCode(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y - bounds.size.y / 2, 122 | bounds.center.z + bounds.size.z / 2, 1), matrix); 123 | 124 | code &= 125 | ComputeOutCode(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y + bounds.size.y / 2, 126 | bounds.center.z - bounds.size.z / 2, 1), matrix); 127 | 128 | code &= 129 | ComputeOutCode(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y + bounds.size.y / 2, 130 | bounds.center.z - bounds.size.z / 2, 1), matrix); 131 | 132 | code &= 133 | ComputeOutCode(new Vector4(bounds.center.x + bounds.size.x / 2, bounds.center.y - bounds.size.y / 2, 134 | bounds.center.z - bounds.size.z / 2, 1), matrix); 135 | 136 | code &= 137 | ComputeOutCode(new Vector4(bounds.center.x - bounds.size.x / 2, bounds.center.y - bounds.size.y / 2, 138 | bounds.center.z - bounds.size.z / 2, 1), matrix); 139 | 140 | 141 | if (code != 0) return false; 142 | 143 | return true; 144 | } 145 | 146 | private static int ComputeOutCode(Vector4 pos, Matrix4x4 projection) 147 | { 148 | pos = projection * pos; 149 | int code = 0; 150 | if (pos.x < -pos.w) code |= 0x01; 151 | if (pos.x > pos.w) code |= 0x02; 152 | if (pos.y < -pos.w) code |= 0x04; 153 | if (pos.y > pos.w) code |= 0x08; 154 | if (pos.z < -pos.w) code |= 0x10; 155 | if (pos.z > pos.w) code |= 0x20; 156 | return code; 157 | } 158 | 159 | void OnRenderImage(RenderTexture src, RenderTexture dst) 160 | { 161 | if(waveComponent!=null) 162 | waveComponent.OnRenderImage(src, dst, waveEquationMat); 163 | //waveEquationMat.SetTexture("_PreTex", PreTexture); 164 | 165 | //Graphics.Blit(src, dst, 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