diff --git a/CM2030 Graphics Programming/Topic 11/11.1.4 Light and Materials/sketch.js b/CM2030 Graphics Programming/Topic 11/11.1.4 Light and Materials/sketch.js
index d4d9422..b573e51 100644
--- a/CM2030 Graphics Programming/Topic 11/11.1.4 Light and Materials/sketch.js	
+++ b/CM2030 Graphics Programming/Topic 11/11.1.4 Light and Materials/sketch.js	
@@ -5,5 +5,54 @@ function setup() {
 
 function draw() {
   background(125);
-  sphere(0, 0, 0);
+  //noStroke();
+  // if(frameCount%1000 >= 100)
+  // {
+  //   normalMaterial();
+  // }
+  // if(frameCount%1000 >= 200)
+  // {
+  //   ambientMaterial(255, 255, 255);
+  //   ambientLight(0, 255, 0);
+  // }
+  // if(frameCount%1000 >= 300)
+  // {
+  //   ambientMaterial(255, 255, 255);
+  //   // first 3 params are the RGB values, then the locaction of the light
+  //   pointLight(0, 255, 0, 0, -200, 100);
+  //   pointLight(255, 0, 0, mouseX - width/2, mouseY - height/2, 100);
+  //   pointLight(255, 0, 0, width/2 - mouseX, height/2 - mouseY, 100);
+  // }
+  // if(frameCount%1000 >= 400)
+  // {
+  //   noStroke()
+  //   specularMaterial(255);
+  //   pointLight(0, 255, 0, 0, -200, 100);
+  //   pointLight(255, 0, 0, mouseX - width/2, mouseY - height/2, 100);
+  //   pointLight(255, 0, 0, width/2 - mouseX, height/2 - mouseY, 100);
+  // }
+  // if(frameCount%1000 >= 500)
+  // {
+  //   noStroke();
+
+  // }
+
+  //specular light
+  // noStroke()
+  // specularMaterial(255);
+  // pointLight(255, 0, 0, mouseX - width/2, mouseY - height/2, 100);
+  // pointLight(0, 588, 0, 0, -200, 100);
+
+  // Ambient Material
+  // noStroke();
+  // ambientMaterial (255);
+  // pointLight(255, 0, 0, mouseX - width/2, mouseY - height/2, 100);
+  // pointLight(0, 588, 0, 0, -200, 100);
+
+  // directional light
+  noStroke();
+  ambientMaterial (255);
+  directionalLight(255, 0, 0, 1, 0, 0);
+
+  sphere(100, 30, 30);
 }
\ No newline at end of file