Initial data commit

Task/Pythagoras-tree/Processing/pythagoras-tree.processing

@@ -0,0 +1,45 @@
+void tree(float x1, float y1, float x2, float y2, int depth) {
+
+  if (depth <= 0) {
+    return;
+  }
+
+  float dx = (x2 - x1);
+  float dy = (y1 - y2);
+
+  float x3 = (x2 - dy);
+  float y3 = (y2 - dx);
+  float x4 = (x1 - dy);
+  float y4 = (y1 - dx);
+  float x5 = (x4 + 0.5*(dx - dy));
+  float y5 = (y4 - 0.5*(dx + dy));
+
+  // square
+  beginShape();
+  fill(0.0, 255.0/depth, 0.0);
+  vertex(x1, y1);
+  vertex(x2, y2);
+  vertex(x3, y3);
+  vertex(x4, y4);
+  vertex(x1, y1);
+  endShape();
+
+  // triangle
+  beginShape();
+  fill(0.0, 255.0/depth, 0.0);
+  vertex(x3, y3);
+  vertex(x4, y4);
+  vertex(x5, y5);
+  vertex(x3, y3);
+  endShape();
+
+  tree(x4, y4, x5, y5, depth-1);
+  tree(x5, y5, x3, y3, depth-1);
+}
+
+void setup() {
+  size(1920, 1080);
+  background(255);
+  stroke(0, 255, 0);
+  tree(width/2.3, height, width/1.8, height, 10);
+}