Merge pull request #34 from cansik/master

added hello peasy offscreen example

examples/HelloPeasy_Offscreen/HelloPeasy_Offscreen.pde

@@ -0,0 +1,40 @@
+import peasy.PeasyCam;
+
+PeasyCam cam;
+PGraphics canvas;
+
+void setup()
+{
+  size(500, 500, P2D);
+  cam = new PeasyCam(this, 400);
+
+  canvas = createGraphics(width, height, P3D);
+}
+
+void draw()
+{
+  // draw a simple rotating cube around a sphere onto an offscreen canvas
+  canvas.beginDraw();
+  canvas.background(55);
+
+  canvas.pushMatrix();
+
+  canvas.rotateX(radians(frameCount % 360));
+  canvas.rotateZ(radians(frameCount % 360));
+
+  canvas.noStroke();
+  canvas.fill(20, 20, 20);
+  canvas.box(100);
+
+  canvas.fill(150, 255, 255);
+  canvas.sphere(60);
+
+  canvas.popMatrix();
+  canvas.endDraw();
+
+  // apply view matrix of peasy to canvas
+  cam.getState().apply(canvas);
+
+  // draw canvas onto onscreen
+  image(canvas, 0, 0);
+}