Portal.pde

class Portal extends VertexObject{
 
  Portal other;
  String id = "";
  String idOther = "";
  GLModel ring;

  public Portal(PApplet parent, Scene scene,float radius){
  
    super(parent, scene, radius);

    setSize(radius);
    setupRing(radius);
    initColors();
    setColor(r,g,b,a);
  } 
  
  void setOther(Portal p){
    other = p;
  }
  
  void setSize(float s){
    
    vcount = 2;
    this.radius = s; 

    beginUpdateVertices();
    updateVertex(0,0,0,0);
    updateVertex(1, cos(0)*radius,sin(0)*radius,0);
    
    float j = 0.0f;
    for(int i=2; i<= (LV_DIVISIONS+2);i++){
      updateVertex(i, cos((j)*PI/180)*radius,  sin(-j*PI/180)*radius,0);
      j+= LV_CHUNK;
      vcount++;
    }
    
    vcount--;
    endUpdateVertices();
   
  }

   void setupRing(float s){
    
     int ecount = 0;
     s *= 1.7;
     
     ring = new GLModel(parent,(int)LV_DIVISIONS+3, GLModel.TRIANGLE_FAN, GLModel.DYNAMIC); 
    
     float j = 0.0f;

     ring.beginUpdateVertices();
     ring.updateVertex(0,0,0,0);
    for(int i=1; i<= (LV_DIVISIONS+2);i++){
      ring.updateVertex(i, cos((j)*PI/180)*s,  sin(-j*PI/180)*s,0);
      j+= LV_CHUNK;
      ecount++;
    }
    ring.updateVertex(ecount++,0,0,0);
    ring.endUpdateVertices();
    
    ring.initColors();

    ring.beginUpdateColors();

    for(int i=0; i<ecount;i++){
     ring.updateColor(i,r,g,b,100); 
    }
  
    ring.endUpdateColors();

  }
  
  void setColor(int r, int g, int b, int a){

    this.r = r;
    this.g = g;
    this.b = b;
    this.a = a;
    beginUpdateColors();
    
    for(int i=0; i<=vcount;i++){//(LV_DIVISIONS+4)/2;i++){
     updateColor(i,r,g,b,a); 
    }
  
    endUpdateColors();
  }
  
  void display( GLGraphics renderer){

    pushMatrix();
    iFrame.applyTransformation(); 
      
    gl.glDepthMask(false);  
    renderer.model(this);
    renderer.model(ring);
    gl.glDepthMask(true);
      
    popMatrix();


  }
  
  
}