//created=10 Dec 06
//description=Color ray generator for vector tunnel effects.
//title=Ray Tunnel
//publish=true
 
float r = 0;
int numrays = 70;
float raywidth = 10;
 
int nodeX = 0,nodeY = 0;
 
float raySpeed = 0.001;
 
float cHue = .6;
 
void setup(){
  size(550,550);
  smooth();
  colorMode(HSB,1.0);
 
}
 
void draw(){
  background(0,0,1);
  stroke(0);
  noStroke();
  r += raySpeed;
    
  fill(cHue,.7,.8);
  translate(width/2,height/2);
  translate(nodeX,nodeY);
  rotate(r);
  for (int i=0; i < numrays; i++){
    rotate(2*PI/numrays);
    beginShape();
    vertex(0,0);
    vertex(500,raywidth);
    vertex(500,-raywidth);
    endShape();
  }
 
}
 
 
void mouseDragged(){
  if (mouseButton == RIGHT){
    raywidth += (mouseX-pmouseX);
    numrays += (mouseY-pmouseY);
  }
  else if (mouseButton == CENTER){
    raySpeed += (mouseY-pmouseY)/5000.f;
    cHue += (mouseX-pmouseX)/100.f;
    if (cHue > 1.f) cHue =  1;
    if (cHue < 0.f) cHue = 0;
  } 
  
  else{
    nodeX += (mouseX-pmouseX);
    nodeY += (mouseY-pmouseY);  
  }
}