added Stereoscopy example to VR library

Author: codeanticode

mode/libraries/vr/examples/Stereoscopy/Stereoscopy.pde

@@ -0,0 +1,88 @@
+// Stereoscopy in VR:
+// https://github.com/processing/processing-android/issues/593
+// By Javier Marco Rubio (https://github.com/jmarco2000)
+
+import processing.vr.*;
+
+int eyedist = 50;
+
+VRCamera cam;
+
+float angulo=0;
+
+float cx, cz;
+float px, pz;
+float ang;
+float orbita = 400;
+float vorbita = 0.01;
+
+// eye matrix
+PMatrix3D eyeMat = new PMatrix3D();
+
+boolean ciclo = false;  //test witch eye is beign draw
+float orientacion;
+
+void setup() {
+  fullScreen(VR);
+  cameraUp();
+  rectMode(CENTER);
+  cam = new VRCamera(this);
+  cam.setNear(10);
+  cam.setFar(2500);
+
+  //posicion planeta
+  //centro
+  cx=width/2;
+  cz=-200;
+  ang=0;
+}
+
+void draw() {
+  ciclo = !ciclo;
+
+  background(0);
+  lights();
+  if (!ciclo) {
+    getEyeMatrix(eyeMat);
+    orientacion = acos(eyeMat.m00);
+    if (eyeMat.m02 < 0) orientacion =- orientacion;
+    println(degrees(orientacion));
+  }
+  if (ciclo) {
+    cam.setPosition(+(eyedist/2) * cos(orientacion), 100, 500 + (eyedist/2) * sin(orientacion));
+  } else {
+    cam.setPosition(-(eyedist/2) * cos(orientacion), 100, 500 - (eyedist/2) * sin(orientacion));
+  }
+  
+  pushMatrix();
+  px = cx + cos(ang) * orbita;
+  pz = cz + sin(ang) * orbita;
+  translate(px, 100, pz);
+  ang = ang + vorbita;
+  rotateY(1.25);
+  rotateX(-0.4);
+  rotateZ(angulo); //angulo=angulo+0.01;
+  noStroke();
+  fill(251, 100, 10);
+  box(100);
+  popMatrix();
+
+  pushMatrix();
+  translate(width/2, 100, cz);
+  rotateY(1.25);
+  rotateX(-0.4);
+  rotateZ(angulo); //angulo=angulo+0.01;
+  noStroke();
+  fill(0, 200, 10);
+  sphere(70);
+  popMatrix();
+}
+
+void mousePressed() {
+  vorbita = 0;
+}
+
+void mouseReleased() {
+  vorbita = 0.01;
+}
+

mode/libraries/vr/examples/Stereoscopy/code/sketch.properties

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+mode=Android
+component=vr
+mode.id=processing.mode.android.AndroidMode