//Melissa Palermo
//Problem Set 2
//Question 2

int index=5;

void setup() {
  size(400, 400);
  smooth();
  background(64);
}
//__________________________________________________________________________________
void draw() {
  index=index+1;
  if (index>75){
    index=5;
  }
}
//__________________________________________________________________________________
void mouseMoved() {
  drawPattern(mouseX, mouseY, index, 10);
}
//__________________________________________________________________________________
void mouseDragged() {
  fill(64);
  noStroke();
  ellipse(mouseX, mouseY, 100, 100);
}
//__________________________________________________________________________________
void drawPattern(int x, int y, int radius, int bands) {
  noStroke();
  for (int i=bands; i > 0; i--) {
    if (i % 2 == 0) {
      fill(255, mouseX, mouseY);  
    }
    else {
      fill(mouseX, mouseY, 255);  
    }
    float r = map(i, 0, bands, 0, radius);
    ellipse(x, y, r, r);
  }
}