color_mouse_shot.pde

int w = 500;
int h = 500;

int r, g;

void setup() {
  size(500, 555);
  noStroke();
  background(255);
}

void draw() {
  r = (int)map(mouseX, 0, width, 0, 255);
  g = (int)map(mouseY, 0, width, 0, 255);
  println("Valor de mouseX = "+mouseX);
  println("Valor de r = "+r);
  fill(r, g, 128, 128);
  ellipse(mouseX, mouseY, g, g);
}

void mouseReleased(){
  saveFrame("JPG.jpg");  
}