Modify a text file: $/x212Kousar_colorchange.pde

$/x212Kousar_colorchange.pde

// x212Kousar

float x = 600;
float y = 300;

float xSpeed = 20;
float ySpeed = 20;

int r, g, b;
int count=0;

void setup () {
  size(800, 800);
  reset();
}  
void reset() {  
  r=  (int) random(255);
  g=  (int) random(255);
  b=  (int) random(255);
}

void draw () {
    
  background(#E335C6);
  fill(0);
  text( "r to reset, q to quit", width*3/4, 20 );
  
  // Reset every 90 frames
  count = count + 1;
  if ( (count%30) == 0 ) { reset(); }
  
  
  x += xSpeed;
  if (x > width || x < 0) {
    xSpeed = xSpeed * -1;
  }

y+= ySpeed;
  if (y > height || y < 0) {
    ySpeed *= -1;
  }

{
    ellipse(x, y, 200, 200); //largest circle
    stroke(0);
    //--  fill(random(255), random(255), random(255));
    fill( r, g, b );
  }

{
    rect(25, 25, 100, 100);
    rect(200, 200, 200, 200);
    rect(500, 500, 200, 200);

ellipse(x, y, 100, 100); //middle circle 
    ellipse(x, y, 50, 50);  //smallest circle
  }
}

void keyPressed() {
  if (key == 'r') { reset();  }
  if (key == 'q') { exit();  }
}