//project 7 alan schulte

float r;
PImage Jupiter;
int cols = 10;
int rows = height;
int[][] back = new int[cols][rows];


void setup(){
  colorMode(HSB,500);
  size(500,500);
  Jupiter = loadImage("Jupiter.jpg");
  smooth();
  frameRate(60);
}

void draw(){
  background(255);
  for(int i = 0;i<width;i+=50){
    for(int j = 0;j<height;j+=50){
      image(Jupiter,i,j);
    }
  }
  pushMatrix();
  //centers recursion
  translate(width/2,height/2);
  //tangent causes a rotate direction change
  rotate(tan(r));
  scale(3+sin(r));
  recursCircles(width/2,height/2,100,250);
  recursCircles(0,0,100,250);
  recursCircles(width,height,100,250);
  popMatrix();
  //increment value of r
  r+=0.05;

  //assign values for 2D array
  for (int i = 0; i<cols;i++){
    for (int j = 0; j<rows; j++){
      back[i][j] = int(random(255));
    }
  }

  //draw 2D array
  for (int i = 0; i<cols;i++){
    for (int j = 0; j<rows; j++){
      fill(back[i][j]);
      rect(i,j,1,1);
    }
  }
}  

//Recursive ellipse function
void recursCircles(float x,float y, float radius,float f){
  float z = 125;
  noStroke();
  fill(x,350,f/2);
  ellipse(x,y,radius,radius);
  if(radius>4){
    recursCircles(x+radius/2,y,radius/2,f);
    recursCircles(x-radius/2,y,radius/2,f);
    recursCircles(x+z,y-z,radius/2,f*1.5);
    recursCircles(x+z,y+z,radius/2,f*1.5);
    recursCircles(x-z,y+z,radius/2,f*1.5);
    recursCircles(x-z,y-z,radius/2,f*1.5);
    recursCircles(x,y+radius/2,radius/2,f);
    recursCircles(x,y-radius/2,radius/2,f);
  }
}