Vibrating rectangles: Difference between revisions

Content added Content deleted

Inline

@@ Line 934: / Line 934: @@
 [https://1drv.ms/v/s!AqDUIunCqVnIg1MxKPi5DzwUbJEf Vibrating rectangles]
+=={{header|Wren}}==
+{{libheader|DOME}}
+<lang ecmascript>import "graphics" for Canvas, Color
+import "dome" for Window
+var Palette = [
+    Color.red, Color.green, Color.blue, Color.orange,
+    Color.indigo, Color.pink, Color.yellow, Color.white
+]
+class VibratingRectangles {
+    construct new(width, height) {
+        Window.title = "Vibrating Rectangles"
+        Window.resize(width, height)
+        Canvas.resize(width, height)
+        _w = width
+        _h = height
+    }
+    init() {
+        _c = 0
+        _r = 0
+        _frame = 0
+    }
+    update() {
+        _frame = _frame + 1
+        if (_frame == 60) _frame = 0
+        if (_frame % 15 == 0) {
+            _r = _r + 1
+            if (_r > 20) {
+                _r = 0
+                _c = (_c + 1) % 8
+            }
+        }
+    }
+    draw(alpha) {
+        var x = (_w * (_r + 1) / 50).floor
+        var y = (_h * (_r + 1) / 50).floor
+        var w = _w - 2 * x
+        var h = _h - 2 * y
+        Canvas.rect(x, y, w, h, Palette[_c])
+    }
+}
+var Game = VibratingRectangles.new(500, 500)</lang>
 =={{header|X86 Assembly}}==