Rainbow Swarm

//50 bouncing balls

//differnce kind of bounce

//basic particle system

int ballno=100;

​

//declaring variable

float circlex[]= new float[ballno];

float circley[]= new float[ballno];

float vely[] = new float[ballno];

float velx[] = new float[ballno];

float g = 0;

​

void setup(){

  smooth();

  frameRate(60);

  size(1000,1000);

  //initialize the array

  for(int i=0;i<ballno;i++){

    circlex[i]=0;

    //random(10,width-10);

    circley[i]=0;

    //random(10,height-10);

    vely[i]=random(3);

    velx[i]=random(3);

      background(255);

  }

}

​

void draw(){

​

  //fill(0,random(150,255),random(150,255),random(100,255));

​

    //fill(255);

    //fill(r,g,0);

    //rect(0,0,width,height);

    //noStroke();

    //fill(255-r,100,255-g,random(100,110));

    //noFill();

    fill(255,random(100,230));

    strokeWeight(1);

​

    for (int i=0;i<ballno;i++){

    circlex[i]+=velx[i];

    circley[i]+=vely[i];

    float r = map(circlex[i],0,width,0,255);

    float g = map(circley[i],0,height,0,255);  

    stroke(r,255-r,g);

  //triangle(0,circley[i],50+circlex[i]%15,0,width/2,height/2);

  ellipse(circlex[i],circley[i],random(18,30),random(18,30));

  //rect(circlex[i],circley[i],50+circlex[i]%15,random(380,400));

//50+circlex[i]/5

  if((circlex[i]<0)||(circlex[i]>width)){

    velx[i]=velx[i]*-1;

  }

  if((circley[i]<0)||(circley[i]>height)){

    vely[i]=vely[i]*-1;

  }

}

   //same as vel=vel

   //inserting picture

}

​