Hello,

I'm desperately trying to get this great piece of code from Harukit to work on Processing0128, though I can't seem to find the right trick. it works perfectly on Processing68.

any help will be much appreciated!

thanks,
sb


// Shining Particle by harukit
// Created with Processing 68 alpha on September 11 , 2004
// http://www.harukit.com


int pNum =4;
Particle[] p = new Particle[pNum];
float rr,gg,bb,dis;
int gain = 5;
float[] cc = new float[3];

void setup(){
 size(200,200);
 noStroke();
 background(0);
 for(int i=0;i<3;i++){
   cc[i]=random(40)+random(40)+random(40)+random(40)+random(40);
 }
 for(int i=0;i<pNum;i++){
   p[i] = new Particle(random(width),random(height),random(0.1,0.3));
 }
}

void loop(){
 for(int i=0;i<pNum;i++){
   p[i].update();
 }
 for(int y=0;y<height;y++){
   for(int x=0;x<width;x++){
       int pos=y*width+x;
       color col = pixels[pos];
       rr = col >> 16 & 0xff;
       gg = col >> 8 & 0xff;
       bb = col  & 0xff;
       for(int i=0;i<pNum;i++){
         dis =dist(p[i].xpos,p[i].ypos,x,y)/2;
         rr += cc[0]/dis-gain;
         gg += cc[1]/dis-gain;
         bb += cc[2]/dis-gain;
       }
       pixels[pos]=color(rr,gg,bb);
   }
 }
}

void mousePressed(){
 background(0);
 Particle[] p = new Particle[pNum];
}

void mouseReleased(){
 for(int i=0;i<3;i++){
   cc[i]=random(40)+random(40)+random(40)+random(40)+random(40);
 }
 background(0);
 for(int i=0;i<pNum;i++){
   p[i] = new Particle(random(width),random(height),random(0.1,0.3));
 }
}

class Particle{
 float xpos,ypos,del;
 Particle(float x,float y,float d){
   xpos=x;
   ypos=y;
   del = d;
 }
 void update(){
   xpos += (mouseX-xpos)*del;
   ypos += (mouseY-ypos)*del;
 }
}