added drawAim example

Author: codeanticode

libraries/vr/examples/drawAim/code/sketch.properties

@@ -0,0 +1,3 @@
+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode

libraries/vr/examples/drawAim/drawAim.pde

@@ -0,0 +1,72 @@
+import processing.vr.*;
+
+float[] r1, r2;
+
+void setup() {
+  fullScreen(PVR.STEREO);  
+  //size(1920, 1080, P3D);
+  r1 = new float[100]; 
+  r2 = new float[100];
+  for (int i = 0; i < 100; i++) {
+    r1[i] = random(0, 1);
+    r2[i] = random(0, 1);
+  }  
+}
+
+void draw() {
+  background(150);
+  PGraphicsVR pvr = (PGraphicsVR)g; 
+  
+  // Some lights
+  pointLight(255, 255, 255, pvr.cameraX, pvr.cameraY, pvr.cameraZ);
+
+  // Floor
+  beginShape(QUADS); 
+  fill(255, 0, 0);
+  normal(0, 0, +1);
+  vertex(-width/2, -500, -width/2);
+  fill(0, 0, 255);
+  vertex(-width/2, -500, +width/2);
+  vertex(+width/2, -500, +width/2);
+  fill(255, 0, 0);
+  vertex(+width/2, -500, -width/2);
+  endShape();
+  
+  pushMatrix();
+  rotateY(millis()/1000.0);
+  fill(220);
+  box(200);
+  popMatrix();
+  
+  // Red box, X axis
+  pushMatrix();
+  translate(200, 0, 0);
+  fill(255, 0, 0);
+  box(100);
+  popMatrix();
+  
+  // Green box, Y axis 
+  pushMatrix();
+  translate(0, 200, 0);
+  fill(0, 255, 0);
+  box(100);
+  popMatrix();
+  
+  // Blue box, Z axis
+  pushMatrix();
+  translate(0, 0, 200);
+  fill(0, 0, 255);
+  box(100);
+  popMatrix();
+  
+  // Place the aim at 300 units from the camera eye
+  float d = 300;
+  float x = pvr.cameraX + d * pvr.forwardVector[0];
+  float y = pvr.cameraY + d * pvr.forwardVector[1];
+  float z = pvr.cameraZ + d * pvr.forwardVector[2];
+  stroke(200, 50, 150);
+  strokeWeight(50);
+  point(x, y, z);
+  noStroke();
+  popMatrix();
+}