square flower

square_flower/build

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+convert +dither -colors 4 -delay 1x30 -size 500x500 *.png square-flower.gif

square_flower/square_flower.pde

@@ -0,0 +1,53 @@
+float rectSize = 30;
+int numRects = 40;
+float outerRadius = 120;
+int aframes = 140;
+boolean SAVE_FRAMES = true;
+
+void setup() {
+  size(500, 500);
+}
+
+void draw() {
+  background(255);
+  drawRects(numRects);  
+  export();
+}
+
+void export() {
+  if (!SAVE_FRAMES) {
+    return;
+  }
+  if (frameCount > aframes) {
+    return;
+  }
+  String fname = nf((frameCount), 3) + ".png";
+  println(fname);
+  save(fname);
+}
+
+void drawRects(int numRects) {
+  for (int i = 0; i < numRects; i++) {
+    drawRect(i, numRects);
+  }
+}
+
+void drawRect(int i, int numRects) {
+  float n = norm(i, 0, numRects);
+  float offset = 80.0 * sin((5 * TWO_PI * n) + (TWO_PI * norm(frameCount%aframes, 0, aframes)));
+  pushMatrix();
+  translate(width*0.5, height*0.5);
+  rotate(n*TWO_PI);
+  translate(outerRadius+offset, 0);
+  drawRect();
+  popMatrix();
+  stroke(255, 0, 0);
+}
+
+void drawRect() {
+  stroke(0);
+  strokeWeight(2);
+  fill(255);
+  rectMode(CENTER);
+  rect(0, 0, rectSize, rectSize, 6);
+}