Week 4

int buttonX;

int buttonY; 

int buttonWidth;

int buttonHeight;

​

int x;

int y;

int w;

int Rad;

int speed;

​

boolean buttonClicked = false;

​

void setup () {

size (500,300);

buttonX = width/4+width/2;

buttonY = height/3;

buttonWidth = 100;

buttonHeight = 100;

​

x = 0;

y = height/2;

w = 30;

Rad = 13;

speed = 4;

​

}

​

void draw (){

  background (66,188,244); //blue

  if (buttonClicked == true) {

    background (198,114,255); //purple

  } else {

    buttonClicked = false;

  }

  //ball bouncing off button and side

   if ( (x > width/4+width/2) || (x < 0) ) {

     speed = speed * -1;

   }

 //hit detection of ball to button

 if ( (y+Rad >= buttonY) &&

  (x-Rad <= buttonX + buttonWidth) &&

  (x+Rad >= buttonX) &&

  (y-Rad <= buttonY + buttonHeight) ) {

    if (x < buttonX) {  //hits left side

      speed = -4;

      x = buttonX - Rad;

    } 

    buttonClicked = !buttonClicked;

  }

​

fill (66,244,232); //button

  stroke (255,255,255);

  rect (buttonX,buttonY,buttonWidth,buttonHeight);

  fill (255,255,165); //ball

  stroke (0,0,0);

   ellipse (x,y,w,w);

   x = x+speed;

}