}
impl Object for Boll {
- fn update(&mut self, _objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState {
+ fn update(&mut self, objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState {
self.vel += lvl.gravity;
self.pos += self.vel;
}
}
+ if self.pos.x <= 0.0 || self.pos.x >= 1280.0 { // only for testing
+ self.pos.x = self.pos.x.max(0.0).min(1280.0);
+ self.vel.x = -self.vel.x;
+ self.bounces = 0;
+ use rand::distributions::{Distribution, Normal};
+ let normal = Normal::new(0.5, 0.4);
+ objects.push(Box::new(Boll {
+ vel: self.vel * normal.sample(&mut rand::thread_rng()),
+ ..*self
+ }));
+ }
+
Alive
}