/*
* Sets the projectile's direction and updates its location, rotation, and active status
*/
public void update(Entity entity)
{
if (direction == Direction.NONE) {
direction = entity.getDirection();
}
if (direction == Direction.NORTH) {
deriveY(-1 * velocity);
} else if (direction == Direction.SOUTH) {
deriveY(velocity);
} else if (direction == Direction.WEST) {
deriveX(-1 * velocity);
} else if (direction == Direction.EAST) {
deriveX(velocity);
}
rotation = rotation + rotationSpeed;
active = isOnScreen(entity);
}
/*
* Returns true if the projectile is currently on the screen; otherwise, false
*/
public bool isOnScreen(Entity entity)
{
return position.X >= -texture.Width && position.X <= entity.getWindowBounds().Width && position.Y >= -texture.Height && position.Y <= entity.getWindowBounds().Height;
}
