Sinoid Pt.I - OpenProcessing

mySketch
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color [] c = new color[3000];
​
void setup()
{  
  size(800,800);
  background(0);
  noStroke();
  //noLoop();
  
  for(int i =0;i<(height+60);i++){
    c[i]=color(random(256),random(256),random(256));
  }
}
​
void draw(){
  background(0);
  for(int j = -150; j < height+150; j+=5){
    pushMatrix();
    translate(0,j);
    fill(c[30+j/5]);
    for(int i = 0; i < width; i+=5){
      float y = 50*sin(radians(i+frameCount))+50*sin(radians(2*(i+frameCount)))+50*cos(radians(0.2*(i+frameCount)));
      ellipse(i,y,5,5);
    }
    popMatrix();
  }
}