Added dynamic/static versions of the particle system example, removed original one

java/libraries/opengl/examples/Performance/StaticParticlesRetained/StaticParticlesRetained.pde

@@ -0,0 +1,58 @@
+PShape particles;
+PImage sprite;  
+
+int npartTotal = 50000;
+float partSize = 20;
+
+int fcount, lastm;
+float frate;
+int fint = 3;
+
+void setup() {
+  size(800, 600, P3D);
+  frameRate(240);
+
+  particles = createShape(PShape.GROUP);
+  sprite = loadImage("sprite.png");
+
+  for (int n = 0; n < npartTotal; n++) {
+    float cx = random(-500, +500);
+    float cy = random(-500, +500); 
+    float cz = random(-500, +500);
+    
+    PShape part = createShape(QUAD);
+    part.noStroke();
+    part.tint(255);
+    part.texture(sprite);
+    part.vertex(cx - partSize/2, cy - partSize/2, cz, 0, 0);
+    part.vertex(cx + partSize/2, cy - partSize/2, cz, sprite.width, 0);
+    part.vertex(cx + partSize/2, cy + partSize/2, cz, sprite.width, sprite.height);
+    part.vertex(cx - partSize/2, cy + partSize/2, cz, 0, sprite.height);    
+    part.end();    
+    particles.addShape(part);
+  }
+
+  // Writing to the depth buffer is disabled to avoid rendering
+  // artifacts due to the fact that the particles are semi-transparent
+  // but not z-sorted.
+  hint(DISABLE_DEPTH_MASK);
+} 
+
+void draw () {
+  background(0);
+
+  translate(width/2, height/2);
+  rotateY(frameCount * 0.01);
+
+  shape(particles);
+  
+  fcount += 1;
+  int m = millis();
+  if (m - lastm > 1000 * fint) {
+    frate = float(fcount) / fint;
+    fcount = 0;
+    lastm = m;
+    println("fps: " + frate); 
+  }  
+}
+