Data commit

Task/Sierpinski-triangle-Graphical/Wren/sierpinski-triangle-graphical.wren

@@ -0,0 +1,31 @@
+import "graphics" for Canvas, Color
+import "dome" for Window
+
+class Game {
+    static init() {
+        Window.title = "Sierpinski Triangle"
+        var size = 800
+        Window.resize(size, size)
+        Canvas.resize(size, size)
+        Canvas.cls(Color.white)
+        var level = 8
+        sierpinskiTriangle(level, 20, 20, size - 40)
+    }
+
+    static update() {}
+
+    static draw(alpha) {}
+
+    static sierpinskiTriangle(level, x, y, size) {
+        if (level > 0) {
+            var col = Color.black
+            Canvas.line(x, y, x + size, y, col)
+            Canvas.line(x, y, x, y + size, col)
+            Canvas.line(x + size, y, x, y + size, col)
+            var size2 = (size/2).floor
+            sierpinskiTriangle(level - 1, x, y, size2)
+            sierpinskiTriangle(level - 1, x + size/2, y, size2)
+            sierpinskiTriangle(level - 1, x, y + size/2, size2)
+        }
+    }
+}