User Input

//Jenny H. CP1 Mods 14/15, User Input

/**

Left click and move the mouse around to get circles. 

After a while, different kinds circles will appear.

Press "B" and move the mouse to get blue rectangles.

Press "R" and move the mouse to erase your work.

*/

boolean x = true;

int w = 50;

int r = 255;

int b = 0;

int anyColor = 255;

int r1 = 0;

int b1 = 255;

int anyColor1 = 254;

void setup()

{

  size (500, 500);

  background (255, 255, 255);

}

​

void draw ()

{

}

​

void mouseDragged ()

{

  if (x == true)

  {

    fill (r, 0, b);

    noStroke ();

    ellipse (mouseX, mouseY, w, w);

    ellipse (500-mouseX, mouseY, w, w);

    w = w + 1;

    r = r - 1;

    b = b + 1;

    if (w >250)

    {

      x = false;

    }

  }

​

  else

  {

    stroke (255, 255, 255);

    fill (anyColor, anyColor, anyColor);

    ellipse (mouseX, mouseY, 50, 50);

    anyColor = anyColor - 1;

  }

}

​

void keyPressed ()

{

  if (key == 'b')

  {

    fill (r1, anyColor1, b1);

    rect (mouseX, mouseY, 50, 50);

    r1 = r1 - 5;

    b1 = b1 + 1;

    anyColor1 = anyColor1 - 1;

  }

  if (key == 'r')

  {

    fill (255, 255, 255);

    ellipse (mouseX, mouseY, 100, 100);

  }

}