├── .github ├── TermiSand.png └── example.png ├── LICENSE ├── README.md ├── TermiSand ├── TermiSand.exe ├── go.mod ├── go.sum └── main.go /.github/TermiSand.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/BobdaProgrammer/TermiSand/f6777a2ba954a3a68cf13e163dde9099c36a3d43/.github/TermiSand.png -------------------------------------------------------------------------------- /.github/example.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/BobdaProgrammer/TermiSand/f6777a2ba954a3a68cf13e163dde9099c36a3d43/.github/example.png -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2024 BobdaProgrammer 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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |

2 |

TermiSand

3 |

4 |

5 |

6 |

7 | 8 | 9 |

10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |

20 | 21 | ## Description 22 | TermiSand is a falling sand simulator, but in your terminal! 23 | 24 | ## Screenshot 25 |

26 | 27 | ## Usage 28 | Run the "TermiSand" executable 29 | 30 | and then move your cursor around and enjoy the show! 31 | to clear the screen press ctrl+r and watch as the sand falls off the screen ready for you to start filling it up again! 32 | 33 | ## Built with 34 | ![](https://img.shields.io/badge/tcell-4298B8.svg?style=for-the-badge&logoColor=white) 35 | ![](https://img.shields.io/badge/go-%2300ADD8.svg?style=for-the-badge&logo=go&logoColor=white) 36 | -------------------------------------------------------------------------------- /TermiSand: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/BobdaProgrammer/TermiSand/f6777a2ba954a3a68cf13e163dde9099c36a3d43/TermiSand -------------------------------------------------------------------------------- /TermiSand.exe: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/BobdaProgrammer/TermiSand/f6777a2ba954a3a68cf13e163dde9099c36a3d43/TermiSand.exe -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/BobdaProgrammer/TermiSand 2 | 3 | go 1.21.6 4 | 5 | require github.com/gdamore/tcell/v2 v2.7.4 6 | 7 | require ( 8 | github.com/gdamore/encoding v1.0.0 // indirect 9 | github.com/lucasb-eyer/go-colorful v1.2.0 // indirect 10 | github.com/mattn/go-runewidth v0.0.15 // indirect 11 | github.com/rivo/uniseg v0.4.7 // indirect 12 | golang.org/x/sys v0.17.0 // indirect 13 | golang.org/x/term v0.17.0 // indirect 14 | golang.org/x/text v0.14.0 // indirect 15 | ) 16 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko= 2 | github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg= 3 | github.com/gdamore/tcell/v2 v2.7.4 h1:sg6/UnTM9jGpZU+oFYAsDahfchWAFW8Xx2yFinNSAYU= 4 | github.com/gdamore/tcell/v2 v2.7.4/go.mod h1:dSXtXTSK0VsW1biw65DZLZ2NKr7j0qP/0J7ONmsraWg= 5 | github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY= 6 | github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0= 7 | github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U= 8 | github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= 9 | github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= 10 | github.com/rivo/uniseg v0.4.3/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= 11 | github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ= 12 | github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= 13 | github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= 14 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 15 | golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= 16 | golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= 17 | golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= 18 | golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 19 | golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= 20 | golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= 21 | golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= 22 | golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 23 | golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 24 | golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 25 | golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 26 | golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= 27 | golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 28 | golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 29 | golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 30 | golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= 31 | golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y= 32 | golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= 33 | golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= 34 | golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= 35 | golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= 36 | golang.org/x/term v0.17.0 h1:mkTF7LCd6WGJNL3K1Ad7kwxNfYAW6a8a8QqtMblp/4U= 37 | golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk= 38 | golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 39 | golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= 40 | golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= 41 | golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= 42 | golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= 43 | golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= 44 | golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= 45 | golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= 46 | golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= 47 | golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= 48 | golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 49 | -------------------------------------------------------------------------------- /main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "log" 5 | "math" 6 | "math/rand" 7 | "os" 8 | "time" 9 | 10 | "github.com/gdamore/tcell/v2" 11 | ) 12 | 13 | var ( 14 | screenWidth, screenHeight int 15 | grid [][]int 16 | styleGrid [][]int 17 | lastMouseX, lastMouseY int 18 | mouseMoved bool 19 | hasFloor bool = true 20 | ) 21 | 22 | func HSVtoRGB(hue int) (int32, int32, int32) { 23 | saturation := 1.0 24 | value := 1.0 25 | 26 | c := value * saturation 27 | x := c * (1 - math.Abs(math.Mod(float64(hue)/60.0, 2)-1)) 28 | m := value - c 29 | 30 | var r, g, b float64 31 | 32 | switch { 33 | case hue >= 0 && hue < 60: 34 | r, g, b = c, x, 0 35 | case hue >= 60 && hue < 120: 36 | r, g, b = x, c, 0 37 | case hue >= 120 && hue < 180: 38 | r, g, b = 0, c, x 39 | case hue >= 180 && hue < 240: 40 | r, g, b = 0, x, c 41 | case hue >= 240 && hue < 300: 42 | r, g, b = x, 0, c 43 | case hue >= 300 && hue < 360: 44 | r, g, b = c, 0, x 45 | } 46 | 47 | r = (r + m) * 255 48 | g = (g + m) * 255 49 | b = (b + m) * 255 50 | 51 | return int32(r), int32(g), int32(b) 52 | } 53 | 54 | func BottomRowClear() bool { 55 | for x:=range grid[len(grid)-1]{ 56 | if grid[len(grid)-1][x] != 0{ 57 | return false 58 | } 59 | } 60 | return true 61 | } 62 | 63 | func resetGrid(s tcell.Screen){ 64 | grid = make([][]int, screenHeight) 65 | styleGrid = make([][]int, screenHeight) 66 | 67 | for i := 0; i < screenHeight; i++ { 68 | grid[i] = make([]int, screenWidth) 69 | styleGrid[i] = make([]int, screenWidth) 70 | for x := 0; x < screenWidth; x++{ 71 | s.SetContent(x, i, ' ', nil, tcell.StyleDefault) 72 | } 73 | } 74 | } 75 | 76 | func render(s tcell.Screen) { 77 | 78 | if !hasFloor{ 79 | isclear:=true 80 | for x := range grid[len(grid)-1]{ 81 | if grid[len(grid)-1][x] != 0{ 82 | isclear=false; 83 | } 84 | grid[len(grid)-1][x]=0 85 | s.SetContent(x, screenHeight-1, ' ', nil, tcell.StyleDefault) 86 | } 87 | if isclear{ 88 | hasFloor=true 89 | resetGrid(s) 90 | return 91 | } 92 | } 93 | for y := screenHeight - 2; y >= 0; y-- { 94 | for x := 0; x < screenWidth; x++ { 95 | blockstyle := tcell.StyleDefault.Background(tcell.NewRGBColor(HSVtoRGB(grid[y][x]))) 96 | if grid[y][x] > 0 { 97 | if grid[y+1][x] == 0 { 98 | grid[y+1][x] = grid[y][x] 99 | grid[y][x] = 0 100 | s.SetContent(x, y+1, ' ', nil, blockstyle) 101 | styleGrid[y+1][x] = 1 102 | } else if x > 0 && grid[y+1][x-1] == 0 { 103 | grid[y+1][x-1] = grid[y][x] 104 | grid[y][x] = 0 105 | s.SetContent(x-1, y+1, ' ', nil, blockstyle) 106 | styleGrid[y+1][x-1] = 1 107 | } else if x < screenWidth-1 && grid[y+1][x+1] == 0 { 108 | grid[y+1][x+1] = grid[y][x] 109 | grid[y][x] = 0 110 | s.SetContent(x+1, y+1, ' ', nil, blockstyle) 111 | styleGrid[y+1][x+1] = 1 112 | } 113 | } else { 114 | style := tcell.StyleDefault 115 | if y != 0 && grid[y-1][x] != 0 { 116 | style = tcell.StyleDefault.Background(tcell.NewRGBColor(HSVtoRGB(grid[y-1][x]))) 117 | grid[y][x] = grid[y-1][x] 118 | grid[y-1][x] = 0 119 | styleGrid[y][x] = 1 120 | } else { 121 | styleGrid[y][x] = 0 122 | } 123 | s.SetContent(x, y, ' ', nil, style) 124 | } 125 | if grid[y][x] != 0 && styleGrid[y][x] == 0 { 126 | s.SetContent(x, y, ' ', nil, tcell.StyleDefault.Background(tcell.NewRGBColor(HSVtoRGB(grid[y][x])))) 127 | } 128 | } 129 | } 130 | } 131 | 132 | func main() { 133 | s, err := tcell.NewScreen() 134 | if err != nil { 135 | log.Fatalf("TermISand couldn't initialise the screen :(") 136 | } 137 | defer s.Fini() 138 | 139 | if err := s.Init(); err != nil { 140 | log.Fatalf("TermISand couldn't initialise the screen :(") 141 | } 142 | 143 | s.EnableFocus() 144 | s.EnableMouse() 145 | screenWidth, screenHeight = s.Size() 146 | resetGrid(s) 147 | 148 | s.Clear() 149 | colorNum := 0 150 | 151 | eventCh := make(chan tcell.Event, 1) 152 | 153 | go func() { 154 | for { 155 | ev := s.PollEvent() 156 | if ev != nil { 157 | eventCh <- ev 158 | } 159 | } 160 | }() 161 | 162 | ticker := time.NewTicker(20 * time.Millisecond) 163 | defer ticker.Stop() 164 | 165 | for { 166 | select { 167 | case ev := <-eventCh: 168 | switch ev := ev.(type) { 169 | case *tcell.EventKey: 170 | switch ev.Key() { 171 | case tcell.KeyCtrlQ, tcell.KeyCtrlC: 172 | s.Fini() 173 | os.Exit(0) 174 | case tcell.KeyCtrlR: 175 | hasFloor = false 176 | } 177 | case *tcell.EventResize: 178 | screenWidth, screenHeight = s.Size() 179 | resetGrid(s) 180 | s.Sync() 181 | case *tcell.EventMouse: 182 | lastMouseX, lastMouseY = ev.Position() 183 | mouseMoved = true 184 | } 185 | case <-ticker.C: 186 | // Add sand at the last known mouse position if the mouse has moved 187 | if hasFloor && mouseMoved && lastMouseY < screenHeight && lastMouseX < screenWidth && grid[lastMouseY][lastMouseX] == 0 { 188 | grid[lastMouseY][lastMouseX] = colorNum 189 | rand1 := rand.Intn(4) 190 | rand2 := rand.Intn(4) 191 | 192 | if (rand1 == 0 || rand2 == 0) && lastMouseY-1 >= 0 && grid[lastMouseY-1][lastMouseX] == 0 { 193 | grid[lastMouseY-1][lastMouseX] = colorNum 194 | } 195 | if (rand1 == 1 || rand2 == 1) && lastMouseY+1 < screenHeight && grid[lastMouseY+1][lastMouseX] == 0 { 196 | grid[lastMouseY+1][lastMouseX] = colorNum 197 | } 198 | if (rand1 == 2 || rand2 == 2) && lastMouseX-1 >= 0 && grid[lastMouseY][lastMouseX-1] == 0 { 199 | grid[lastMouseY][lastMouseX-1] = colorNum 200 | } 201 | if (rand1 == 3 || rand2 == 3) && lastMouseX+1 < screenWidth && grid[lastMouseY][lastMouseX+1] == 0 { 202 | grid[lastMouseY][lastMouseX+1] = colorNum 203 | } 204 | colorNum++ 205 | if colorNum == 360 { 206 | colorNum = 1 207 | } 208 | } 209 | 210 | render(s) 211 | s.Show() 212 | 213 | } 214 | } 215 | } 216 | --------------------------------------------------------------------------------