.

Author: diwi

examples/liquidfun_DamBreak_PShapeParticles/liquidfun_DamBreak_PShapeParticles.java

@@ -15,6 +15,7 @@
 
 
 import com.thomasdiewald.liquidfun.java.DwWorld;
+import com.thomasdiewald.liquidfun.java.render.DwParticleRenderGL;
 import com.thomasdiewald.liquidfun.java.render.DwParticleRenderP5;
 
 import org.jbox2d.collision.shapes.ChainShape;
@@ -86,15 +87,20 @@ public void reset(){
     // release old resources
     release();
 
-    world = new DwWorld(this, 18);
-    
-    
+    // if false, PShape-Quads are used for particles, instead of openGL points.
     // this replaces the default particle renderer (OpenGL) with an alternative 
     // renderer where particles are rendered as PShape-Quads.
     // It renders a bit slower then the OpenGL version and grouped rendering
     // is also not possible.
-    world.setParticleRender(new DwParticleRenderP5(this, world, world.transform));
-
+    DwWorld.INIT_GL_PARTICLES = false;
+    
+    // create world
+    world = new DwWorld(this, 18);
+    
+    // just for checking
+    System.out.println("PShape Particles = "+(world.particles instanceof DwParticleRenderP5));
+    System.out.println("OpenGL Particles = "+(world.particles instanceof DwParticleRenderGL));
+    
     // create scene: rigid bodies, particles, etc ...
     initScene();
   }

src/com/thomasdiewald/liquidfun/java/DwWorld.java

@@ -40,6 +40,8 @@
 import com.thomasdiewald.liquidfun.java.render.DwJoint;
 import com.thomasdiewald.liquidfun.java.render.DwParticleRender;
 import com.thomasdiewald.liquidfun.java.render.DwParticleRenderGL;
+import com.thomasdiewald.liquidfun.java.render.DwParticleRenderP5;
+
 import processing.core.PApplet;
 import processing.core.PGraphics;
 import processing.core.PShape;
@@ -67,6 +69,12 @@ public class DwWorld extends World{
   public PApplet papplet;
   public DwViewportTransform transform;
 
+  /**
+   * if true, particles is an instance of {@link DwParticleRenderGL}
+   * otheriwse {@link DwParticleRenderP5} is instantiated.
+   */
+  static public boolean INIT_GL_PARTICLES = true;
+  
 
   public DwDebugDraw debug_draw;
 
@@ -91,6 +99,8 @@ public DwWorld(PApplet papplet){
     this(papplet, 20);
   }
 
+
+  
   public DwWorld(PApplet papplet, float scale){
     super(new Vec2(0, -10f));
 
@@ -115,7 +125,12 @@ public DwWorld(PApplet papplet, float scale){
 
 
     bodies = new DwBodyGroup(papplet, this, transform);
-    particles = new DwParticleRenderGL(papplet, this, transform);
+    
+    if(INIT_GL_PARTICLES){
+      particles = new DwParticleRenderGL(papplet, this, transform);
+    } else {
+      particles = new DwParticleRenderP5(papplet, this, transform);
+    }
 
     for(int i = 0; i < registered_methods.length; i++){
       papplet.registerMethod(registered_methods[i], this);