Update completed the fractal tree

CM2030 Graphics Programming/Topic 9/9.1.6 Fractal tree/sketch.js

@@ -3,6 +3,10 @@
 
 var angle = 0;
 var seed;
+let r = 54;
+let g = 34;
+let b = 4;
+//let a = 255;
 
 function setup() {
   createCanvas(400, 400);
@@ -16,22 +20,36 @@ function draw() {
   angle = 45;
   stroke(255);
   translate(200, height);
-  branch(100, 3);
+  let wind = noise(frameCount/50) * 10;
+  branch(100, 5, 255, wind);
+  a = 255;
+  //noLoop();
 }
 /////////////////////////////////////////////////
-function branch(len, thickness) {
-  stroke(0);
+function branch(len, thickness, a, w) {
+  stroke(color(r, g, b, a));
+  if(a>50)
+    a = a-20;
+
   strokeWeight(thickness);
   line(0, 0, 0, -len);
   translate(0, -len);
-  if (len > 4) {
+
+  if (len > 4)
+  {
     push();
-    rotate(angle);
-    branch(len * 0.67, thickness*0.8);
+    rotate(angle + random(-10, -35) + w);
+    branch(len * (0.67 + random(0.0, 0.05)), thickness*0.8, a, w);
     pop();
     push();
-    rotate(-angle);
-    branch(len * 0.67, thickness*0.8);
+    rotate(-angle + random(10, 35) + w);
+    branch(len * (0.67 + random(0.0, 0.05)), thickness*0.8, a, w);
     pop();
   }
+  else
+  {
+    fill(random(100, 255), 30, 20, 100);
+    let len = thickness * 25
+    ellipse(0, 0, len, len);
+  }
 }