Initial data commit

Task/Animation/Go/animation.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+    "log"
+    "time"
+
+    "github.com/gdamore/tcell"
+)
+
+const (
+    msg             = "Hello World! "
+    x0, y0          = 8, 3
+    shiftsPerSecond = 4
+    clicksToExit    = 5
+)
+
+func main() {
+    s, err := tcell.NewScreen()
+    if err != nil {
+        log.Fatal(err)
+    }
+    if err = s.Init(); err != nil {
+        log.Fatal(err)
+    }
+    s.Clear()
+    s.EnableMouse()
+    tick := time.Tick(time.Second / shiftsPerSecond)
+    click := make(chan bool)
+    go func() {
+        for {
+            em, ok := s.PollEvent().(*tcell.EventMouse)
+            if !ok || em.Buttons()&0xFF == tcell.ButtonNone {
+                continue
+            }
+            mx, my := em.Position()
+            if my == y0 && mx >= x0 && mx < x0+len(msg) {
+                click <- true
+            }
+        }
+    }()
+    for inc, shift, clicks := 1, 0, 0; ; {
+        select {
+        case <-tick:
+            shift = (shift + inc) % len(msg)
+            for i, r := range msg {
+                s.SetContent(x0+((shift+i)%len(msg)), y0, r, nil, 0)
+            }
+            s.Show()
+        case <-click:
+            clicks++
+            if clicks == clicksToExit {
+                s.Fini()
+                return
+            }
+            inc = len(msg) - inc
+        }
+    }
+}