├── FishAnimation.shader
├── LICENSE
└── README.md


/FishAnimation.shader:
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  1 | /*
  2 | 	Author: Alberto Mellado Cruz
  3 | 	Date: 09/11/2017
  4 | 
  5 | 	Comments: 
  6 | 	This is just a test that would depend on the 3D Model used.
  7 | 	Vertex animations would allow the use of GPU Instancing, 
  8 | 	enabling the use of a dense amount of animated fish.
  9 |   	The code may not be optimized but it was just a test
 10 | */
 11 | 
 12 | Shader "Custom/FishAnimation" {
 13 | 	Properties{
 14 | 		_MainTex("Albedo (RGB)", 2D) = "white" {}
 15 | 		_SpeedX("SpeedX", Range(0, 10)) = 1
 16 | 		_FrequencyX("FrequencyX", Range(0, 10)) = 1
 17 | 		_AmplitudeX("AmplitudeX", Range(0, 0.2)) = 1
 18 | 		_SpeedY("SpeedY", Range(0, 10)) = 1
 19 | 		_FrequencyY("FrequencyY", Range(0, 10)) = 1
 20 | 		_AmplitudeY("AmplitudeY", Range(0, 0.2)) = 1
 21 | 		_SpeedZ("SpeedZ", Range(0, 10)) = 1
 22 | 		_FrequencyZ("FrequencyZ", Range(0, 10)) = 1
 23 | 		_AmplitudeZ("AmplitudeZ", Range(0,  2)) = 1
 24 | 		_HeadLimit("HeadLimit", Range(-2,  2)) = 0.05
 25 | 	}
 26 | 		SubShader{
 27 | 		Tags{ "RenderType" = "Opaque" }
 28 | 		Cull off
 29 | 
 30 | 		Pass{
 31 | 
 32 | 		CGPROGRAM
 33 | 	#pragma vertex vert
 34 | 	#pragma fragment frag
 35 | 	#include "UnityCG.cginc"
 36 | 
 37 | 	sampler2D _MainTex;
 38 | 	float4 _MainTex_ST;
 39 | 
 40 | 	struct v2f {
 41 | 		float4 pos : SV_POSITION;
 42 | 		float2 uv : TEXCOORD0;
 43 | 	};
 44 | 	
 45 | 	// X AXIS
 46 | 
 47 | 	float _SpeedX;
 48 | 	float _FrequencyX;
 49 | 	float _AmplitudeX;
 50 | 	
 51 | 	// Y AXIS
 52 | 
 53 | 	float _SpeedY;
 54 | 	float _FrequencyY;
 55 | 	float _AmplitudeY;
 56 | 
 57 | 	// Z AXIS
 58 | 	
 59 | 	float _SpeedZ;
 60 | 	float _FrequencyZ;
 61 | 	float _AmplitudeZ;
 62 | 
 63 | 	// Head Limit (Head wont shake so much)
 64 | 	
 65 | 	float _HeadLimit;
 66 | 
 67 | 	v2f vert(appdata_base v)
 68 | 	{
 69 | 		v2f o;
 70 | 
 71 | 		//Z AXIS
 72 | 
 73 | 		v.vertex.z += sin((v.vertex.z + _Time.y * _SpeedX) * _FrequencyX)* _AmplitudeX;		
 74 | 
 75 | 		//Y AXIS
 76 | 
 77 | 		v.vertex.y += sin((v.vertex.z + _Time.y * _SpeedY) * _FrequencyY)* _AmplitudeY;
 78 | 
 79 | 		//X AXIS
 80 | 
 81 | 		if (v.vertex.z > _HeadLimit)
 82 | 		{
 83 | 			v.vertex.x += sin((0.05 + _Time.y * _SpeedZ) * _FrequencyZ)* _AmplitudeZ * _HeadLimit;
 84 | 		}
 85 | 		else
 86 | 		{
 87 | 			v.vertex.x += sin((v.vertex.z + _Time.y * _SpeedZ) * _FrequencyZ)* _AmplitudeZ * v.vertex.z;
 88 | 		}
 89 | 
 90 | 
 91 | 		o.pos = UnityObjectToClipPos(v.vertex);
 92 | 		o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
 93 | 		return o;
 94 | 		
 95 | 	}
 96 | 
 97 | 	fixed4 frag(v2f i) : SV_Target
 98 | 	{
 99 | 		return tex2D(_MainTex, i.uv);
100 | 	}
101 | 
102 | 		ENDCG
103 | 
104 | 	}
105 | 	}
106 | 		FallBack "Diffuse"
107 | }
108 | 


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/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2017 Alberto Mellado Cruz
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/README.md:
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 1 | # Fish-Animation
 2 | Test Vertex Animation Shader for Unity3D
 3 | 
 4 | Author: Alberto Mellado Cruz
 5 | Date: 09/11/2017
 6 | 
 7 | This is just a test that would depend on the 3D Model used.
 8 | Vertex animations would allow the use of GPU Instancing, enabling the use of a dense amount of animated fish.
 9 | The code may not be optimized but it was just a test
10 | 


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