ball bounce

public void move (Rectangle bounds) I

// Add velocity values dx/dy to position to

get ,

// ball s new position

x +_ dx;

y +° dy;

// Check for collision with left edge

if (x < bounds.x && dx < 0)

dx = -dx;

x -= 2 * (x - bounds.x);

// Check for collision with right edge

else if ((x + size) ) (bounds.x + bounds.width) &&

d x > 0' )

dx = -dx;

x -= 2 * ((x + size) - (bounds.x + bounds.width));

// Check for collision with top edge

if (y < bounds.y && dy < 0) I

dy = -dy;

y -° 2 * (y - bounds.y);

// Check for collision with bottom edge

else i f (( y + size) > ( bounds.y + bounds.height) &&

dy = -dy;

y -= 2 * ((y + size) - (bounds.y + bounds.height));