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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| #Termisand |
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| module TermiSand | ||
|
|
||
| go 1.21.6 | ||
|
|
||
| require ( | ||
| github.com/gdamore/encoding v1.0.0 // indirect | ||
| github.com/gdamore/tcell/v2 v2.7.4 // indirect | ||
| github.com/lucasb-eyer/go-colorful v1.2.0 // indirect | ||
| github.com/mattn/go-runewidth v0.0.15 // indirect | ||
| github.com/rivo/uniseg v0.4.3 // indirect | ||
| golang.org/x/sys v0.17.0 // indirect | ||
| golang.org/x/term v0.17.0 // indirect | ||
| golang.org/x/text v0.14.0 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko= | ||
| github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg= | ||
| github.com/gdamore/tcell/v2 v2.7.4 h1:sg6/UnTM9jGpZU+oFYAsDahfchWAFW8Xx2yFinNSAYU= | ||
| github.com/gdamore/tcell/v2 v2.7.4/go.mod h1:dSXtXTSK0VsW1biw65DZLZ2NKr7j0qP/0J7ONmsraWg= | ||
| github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY= | ||
| github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0= | ||
| github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U= | ||
| github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= | ||
| github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= | ||
| github.com/rivo/uniseg v0.4.3 h1:utMvzDsuh3suAEnhH0RdHmoPbU648o6CvXxTx4SBMOw= | ||
| github.com/rivo/uniseg v0.4.3/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= | ||
| github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= | ||
| golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= | ||
| golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= | ||
| golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= | ||
| golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= | ||
| golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= | ||
| golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= | ||
| golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= | ||
| golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= | ||
| golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= | ||
| golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | ||
| golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | ||
| golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | ||
| golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | ||
| golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | ||
| golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | ||
| golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y= | ||
| golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= | ||
| golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= | ||
| golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= | ||
| golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= | ||
| golang.org/x/term v0.17.0 h1:mkTF7LCd6WGJNL3K1Ad7kwxNfYAW6a8a8QqtMblp/4U= | ||
| golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk= | ||
| golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= | ||
| golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= | ||
| golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= | ||
| golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= | ||
| golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= | ||
| golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= | ||
| golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= | ||
| golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= | ||
| golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= | ||
| golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= | ||
| golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "log" | ||
| "math" | ||
| "math/rand" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/gdamore/tcell/v2" | ||
| ) | ||
|
|
||
| var ( | ||
| screenWidth, screenHeight int | ||
| grid [][]int | ||
| lastMouseX, lastMouseY int | ||
| mouseMoved bool | ||
| ) | ||
|
|
||
| func HSVtoRGB(hue int) (int32, int32, int32) { | ||
| saturation := 1.0 | ||
| value := 1.0 | ||
|
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| c := value * saturation | ||
| x := c * (1 - math.Abs(math.Mod(float64(hue)/60.0, 2)-1)) | ||
| m := value - c | ||
|
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| var r, g, b float64 | ||
|
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| switch { | ||
| case hue >= 0 && hue < 60: | ||
| r, g, b = c, x, 0 | ||
| case hue >= 60 && hue < 120: | ||
| r, g, b = x, c, 0 | ||
| case hue >= 120 && hue < 180: | ||
| r, g, b = 0, c, x | ||
| case hue >= 180 && hue < 240: | ||
| r, g, b = 0, x, c | ||
| case hue >= 240 && hue < 300: | ||
| r, g, b = x, 0, c | ||
| case hue >= 300 && hue < 360: | ||
| r, g, b = c, 0, x | ||
| } | ||
|
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| r = (r + m) * 255 | ||
| g = (g + m) * 255 | ||
| b = (b + m) * 255 | ||
|
|
||
| return int32(r), int32(g), int32(b) | ||
| } | ||
|
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| func render(s tcell.Screen, updates [][2]int) { | ||
| for _, update := range updates { | ||
| x, y := update[0], update[1] | ||
| ch := grid[y][x] | ||
| if ch > 0 { | ||
| blockstyle := tcell.StyleDefault.Background(tcell.NewRGBColor(HSVtoRGB(ch))) | ||
| s.SetContent(x, y, ' ', nil, blockstyle) | ||
| } else { | ||
| s.SetContent(x, y, ' ', nil, tcell.StyleDefault) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func updateGrid() [][2]int { | ||
| updates := make([][2]int, 0) | ||
| for y := screenHeight - 2; y >= 0; y-- { | ||
| for x := 0; x < screenWidth; x++ { | ||
| if grid[y][x] > 0 { | ||
| if grid[y+1][x] == 0 { | ||
| grid[y+1][x] = grid[y][x] | ||
| grid[y][x] = 0 | ||
| updates = append(updates, [2]int{x, y}, [2]int{x, y + 1}) | ||
| } else if x > 0 && grid[y+1][x-1] == 0 { | ||
| grid[y+1][x-1] = grid[y][x] | ||
| grid[y][x] = 0 | ||
| updates = append(updates, [2]int{x, y}, [2]int{x - 1, y + 1}) | ||
| } else if x < screenWidth-1 && grid[y+1][x+1] == 0 { | ||
| grid[y+1][x+1] = grid[y][x] | ||
| grid[y][x] = 0 | ||
| updates = append(updates, [2]int{x, y}, [2]int{x + 1, y + 1}) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return updates | ||
| } | ||
|
|
||
| func main() { | ||
| s, err := tcell.NewScreen() | ||
| if err != nil { | ||
| log.Fatalf("TermISand couldn't initialise the screen :(") | ||
| } | ||
| defer s.Fini() | ||
|
|
||
| if err := s.Init(); err != nil { | ||
| log.Fatalf("TermISand couldn't initialise the screen :(") | ||
| } | ||
|
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||
| s.EnableFocus() | ||
| s.EnableMouse() | ||
| screenWidth, screenHeight = s.Size() | ||
| grid = make([][]int, screenHeight) | ||
|
|
||
| for i := 0; i < screenHeight; i++ { | ||
| grid[i] = make([]int, screenWidth) | ||
| } | ||
|
|
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| s.Clear() | ||
| colorNum := 0 | ||
|
|
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| eventCh := make(chan tcell.Event, 1) | ||
|
|
||
| go func() { | ||
| for { | ||
| ev := s.PollEvent() | ||
| if ev != nil { | ||
| eventCh <- ev | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| ticker := time.NewTicker(20 * time.Millisecond) | ||
| defer ticker.Stop() | ||
|
|
||
| for { | ||
| select { | ||
| case ev := <-eventCh: | ||
| switch ev := ev.(type) { | ||
| case *tcell.EventKey: | ||
| switch ev.Key() { | ||
| case tcell.KeyCtrlQ: | ||
| s.Fini() | ||
| os.Exit(0) | ||
| } | ||
| case *tcell.EventResize: | ||
| screenWidth, screenHeight = s.Size() | ||
| s.Sync() | ||
| case *tcell.EventMouse: | ||
| lastMouseX, lastMouseY = ev.Position() | ||
| mouseMoved = true | ||
| } | ||
| case <-ticker.C: | ||
| // Add sand at the last known mouse position if the mouse has moved | ||
| if mouseMoved && lastMouseY < screenHeight && lastMouseX < screenWidth { | ||
| grid[lastMouseY][lastMouseX] = colorNum | ||
| rand1 := rand.Intn(4) | ||
| rand2 := rand.Intn(4) | ||
|
|
||
| if (rand1 == 0 || rand2 == 0) && lastMouseY-1 >= 0 && grid[lastMouseY-1][lastMouseX] == 0 { | ||
| grid[lastMouseY-1][lastMouseX] = colorNum | ||
| } | ||
| if (rand1 == 1 || rand2 == 1) && lastMouseY+1 < screenHeight && grid[lastMouseY+1][lastMouseX] == 0 { | ||
| grid[lastMouseY+1][lastMouseX] = colorNum | ||
| } | ||
| if (rand1 == 2 || rand2 == 2) && lastMouseX-1 >= 0 && grid[lastMouseY][lastMouseX-1] == 0 { | ||
| grid[lastMouseY][lastMouseX-1] = colorNum | ||
| } | ||
| if (rand1 == 3 || rand2 == 3) && lastMouseX+1 < screenWidth && grid[lastMouseY][lastMouseX+1] == 0 { | ||
| grid[lastMouseY][lastMouseX+1] = colorNum | ||
| } | ||
| } | ||
|
|
||
| updates := updateGrid() | ||
| render(s, updates) | ||
| s.Show() | ||
| colorNum++ | ||
| if colorNum == 360 { | ||
| colorNum = 1 | ||
| } | ||
| } | ||
| } | ||
| } |