+ canvas.copy(block, None, Rect::new(self.pos.x as i32 - size as i32 / 2, self.pos.y as i32 - size as i32, size, size)).unwrap();
+ let ctrl = &self.ctrl.borrow().ctrl;
+ let (x, y) = (ctrl.axis(Axis::RightX) as f64 / 32768.0, ctrl.axis(Axis::RightY) as f64 / 32768.0);
+ canvas.set_draw_color((0, 255, 0));
+ canvas.draw_line((self.pos.x as i32, self.pos.y as i32), ((self.pos.x + x * size as f64) as i32, (self.pos.y + y * size as f64) as i32)).unwrap();
+ }
+}
+
+pub struct Boll {
+ pos: Point2D<f64>,
+ vel: Point2D<f64>,
+ bounces: u8,
+}
+
+impl Object for Boll {
+ fn update(&mut self, _objects: &mut Objects, lvl: &Level, _dt: Nanoseconds) -> ObjectState {
+ self.vel += lvl.gravity;
+ self.pos += self.vel;
+
+ if self.pos.y >= lvl.ground {
+ if self.bounces == 0 {
+ return Dead
+ } else {
+ self.bounces -= 1;
+ self.pos.y = lvl.ground;
+ self.vel.y = -self.vel.y;
+ }
+ }
+
+ Alive
+ }
+
+ fn render(&self, canvas: &mut Canvas<Window>, _sprites: &mut SpriteManager) {
+ let block = _sprites.get("block");
+ let size = 4 + self.bounces * 6;
+ canvas.copy(block, None, Rect::new(self.pos.x as i32 - size as i32 / 2, self.pos.y as i32 - size as i32 / 2, size as u32, size as u32)).unwrap();
+ // canvas.set_draw_color((0, self.bounces * 100, 255));
+ // canvas.draw_point((self.pos.x as i32, self.pos.y as i32)).unwrap();