Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Lights/MixtureGrid/MixtureGrid.pde

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+/**
+ * Mixture Grid  
+ * modified from an example by Simon Greenwold. 
+ * 
+ * Display a 2D grid of boxes with three different kinds of lights. 
+ */
+
+void setup() {
+  size(640, 360, P3D);
+  noStroke();
+}
+
+void draw() {
+  defineLights();
+  background(0);
+  
+  for (int x = 0; x <= width; x += 60) {
+    for (int y = 0; y <= height; y += 60) {
+      pushMatrix();
+      translate(x, y);
+      rotateY(map(mouseX, 0, width, 0, PI));
+      rotateX(map(mouseY, 0, height, 0, PI));
+      box(90);
+      popMatrix();
+    }
+  }
+}
+
+void defineLights() {
+  // Orange point light on the right
+  pointLight(150, 100, 0,   // Color
+             200, -150, 0); // Position
+
+  // Blue directional light from the left
+  directionalLight(0, 102, 255, // Color
+                   1, 0, 0);    // The x-, y-, z-axis direction
+
+  // Yellow spotlight from the front
+  spotLight(255, 255, 109,  // Color
+            0, 40, 200,     // Position
+            0, -0.5, -0.5,  // Direction
+            PI / 2, 2);     // Angle, concentration
+}