Commit 86edfda8c0d2532780a7b4c5e42d1931738f0414 - wenaglia

Clunkily use a collision world instead of manual broad phase Getty Ritter 6 years ago

5 changed file(s) with 67 addition(s) and 74 deletion(s). Collapse all Expand all

+23

-13

src/com.rs less more

1	1	use specs::world::WorldExt;
2	2	use specs::{Component, NullStorage, VecStorage};
	3	use crate::types::World;
3	4
4	5	/// Register all the components with the world.
5	6	pub fn register(world: &mut specs::World) {

112	113	#[derive(Component)]
113	114	#[storage(VecStorage)]
114	115	pub struct Blocking {
115		pub ~~volume: Box<dyn ncollide2d::shape::Shape<f32>>~~,
	116	pub handle: ncollide2d::pipeline::CollisionObjectSlabHandle,
116	117	}
117	118
118	119	impl Blocking {
119		pub fn new() -> Blocking {
120		Default::default()
	120	pub fn new_shape<S: ncollide2d::shape::Shape<f32>>(w: &mut World, volume: S) -> Blocking {
	121	let (handle, _) = w.add(
	122	nalgebra::geometry::Isometry::identity(),
	123	ncollide2d::shape::ShapeHandle::new(volume),
	124	ncollide2d::pipeline::CollisionGroups::new(),
	125	ncollide2d::pipeline::object::GeometricQueryType::Proximity(0.0),
	126	None,
	127	);
	128	Blocking {
	129	handle,
	130	}
	131	}
	132
	133	pub fn new_box(w: &mut World) -> Blocking {
	134	Blocking::new_shape(w, ncollide2d::shape::Cuboid::new(nalgebra::Vector2::new(
	135	11.0, 11.0,
	136	)))
	137	}
	138
	139	pub fn new_ball(w: &mut World) -> Blocking {
	140	Blocking::new_shape(w, ncollide2d::shape::Ball::new(8.0))
121	141	}
122	142	}
123
124		impl Default for Blocking {
125		fn default() -> Blocking {
126		Blocking {
127		volume: Box::new(ncollide2d::shape::Cuboid::new(nalgebra::Vector2::new(
128		11.0, 11.0,
129		))),
130		}
131		}
132		}

-9

src/main.rs less more

60	60	let mut world = specs::World::new();
61	61	com::register(&mut world);
62	62
	63	world.insert(ncollide2d::world::CollisionWorld::<f32, Option<specs::Entity>>::new(0.1));
63	64	res::world_from_file(&mut world, "assets/main.tmx");
64	65
65	66	// Make a Context and an EventLoop.

83	84	world.insert(sprites);
84	85	world.insert(res::KeySet::new());
85	86
86		let broad_phase: types::BPhase = nc::DBVTBroadPhase::new(0.0f32);
87		world.insert(broad_phase);
88
89		let narrow_phase: types::NPhase = nc::NarrowPhase::new(
90		Box::new(nc::DefaultContactDispatcher::new()),
91		Box::new(nc::DefaultProximityDispatcher::new()),
92		);
93		world.insert(narrow_phase);
94
95	87	let mut my_game = MyGame { world };
96	88
97	89	event::run(&mut ctx, &mut evloop, &mut my_game)

+14

-10

src/res.rs less more

1	1	use crate::com::*;
2	2	use crate::consts;
	3	use crate::types::World;
3	4
4	5	use specs::world::{Builder, WorldExt};
5	6	use std::path::Path;

55	56	let y = y as f32 * consts::TILE_SIZE;
56	57	let u = ((n - 1) % 32) as u8;
57	58	let v = ((n - u as u32 - 1) / 32) as u8;
	59	let blocking = if tilesets[0].tiles[(n-1) as usize].properties["pass"]
	60	== tiled::PropertyValue::BoolValue(false) {
	61	let mut h = w.write_resource::<World>();
	62	Some(Blocking::new_box(&mut h))
	63	} else {
	64	None
	65	};
58	66	let mut e = w
59	67	.create_entity()
60	68	.with(Position { x, y })

65	73	DrawLayer::Decoration => e.with(Decoration),
66	74	};
67	75
68		let e = if tilesets[0].tiles[(n-1) as usize].properties["pass"]
69		== tiled::PropertyValue::BoolValue(false)
70		{
71		e.with(Blocking::new())
72		} else {
73		e
74		};
	76	let e = if let Some(b) = blocking { e.with(b) } else { e };
75	77	e.build();
76	78	}
77	79	}

79	81	}
80	82
81	83	// create the player
	84	let ball = {
	85	let mut h = w.write_resource::<World>();
	86	Blocking::new_ball(&mut h)
	87	};
82	88	w.create_entity()
83	89	.with(Position {
84	90	x: 3.0 * consts::TILE_SIZE,

91	97	.with(Collision {
92	98	has_collision: false,
93	99	})
94		.with(Blocking {
95		volume: Box::new(ncollide2d::shape::Ball::new(10.0)),
96		})
	100	.with(ball)
97	101	.build();
98	102	}

+28

-42

src/sys/physics.rs less more

1	1	use crate::com::{Blocking, Collision, Position, Velocity};
2	2	use crate::game::MyGame;
3		use crate::types::~~{BPhase, NPhase}~~;
	3	use crate::types::World;
4	4
5	5	use nalgebra::{Isometry2, Vector2};
6		use ncollide2d::broad_phase::{
7		broad_phase::BroadPhase, broad_phase::BroadPhaseProxyHandle, BroadPhaseInterferenceHandler,
8		};
9	6	use specs::{Join, RunNow};
10
11		struct InterferenceHandler<'a> {
12		collisions: specs::WriteStorage<'a, Collision>,
13		}
14
15		impl<'a> BroadPhaseInterferenceHandler<specs::Entity> for InterferenceHandler<'a> {
16		fn is_interference_allowed(&mut self, a: &specs::Entity, b: &specs::Entity) -> bool {
17		// Prevent self-collision.
18		a != b
19		}
20
21		fn interference_started(&mut self, a: &specs::Entity, b: &specs::Entity) {
22		self.collisions.get_mut(*a).map(\|r\| r.has_collision = true);
23		self.collisions.get_mut(*b).map(\|r\| r.has_collision = true);
24		}
25
26		fn interference_stopped(&mut self, _: &specs::Entity, _: &specs::Entity) {}
27		}
28	7
29	8	struct Collide;
30	9

35	14	specs::ReadStorage<'a, Velocity>,
36	15	specs::ReadStorage<'a, Blocking>,
37	16	specs::WriteStorage<'a, Collision>,
38		specs::WriteExpect<'a, BPhase>,
39		specs::WriteExpect<'a, NPhase>,
	17	specs::WriteExpect<'a, World>,
40	18	);
41	19
42	20	fn run(
43	21	&mut self,
44		(entities, position, velocity, blocking, mut collisions, mut ~~bf, _narro~~w): Self::SystemData,
	22	(entities, position, velocity, blocking, mut collisions, mut w): Self::SystemData,
45	23	) {
46		let _: Vec<()> = (&mut collisions)
47		.join()
48		.map(\|c\| c.has_collision = false)
49		.collect();
50		let ~~handles: Vec<BroadPhaseProxyHandle~~> = (&entities, &position, &blocking)
	24	let _: Vec<()> = (&entities, &position, &blocking)
51	25	.join()
52	26	.map(\|(e, pos, bl)\| {
53	27	let np = if let Some(vel) = velocity.get(e) {

55	29	} else {
56	30	pos.clone()
57	31	};
58		bf.create_proxy(
59		bl.volume
60		.aabb(&Isometry2::new(Vector2::new(np.x, np.y), nalgebra::zero())),
61		e,
62		)
	32	let obj = w.get_mut(bl.handle).unwrap();
	33	*obj.data_mut() = Some(e);
	34	obj.set_position(
	35	Isometry2::new(Vector2::new(np.x, np.y), nalgebra::zero()));
63	36	})
64	37	.collect();
65
66		bf.update(&mut InterferenceHandler {
67		collisions: collisions,
68		});
69
70		bf.remove(&handles, &mut \|_, _\| {});
	38	w.update();
	39	for ev in w.proximity_events() {
	40	if ev.new_status == ncollide2d::query::Proximity::Intersecting {
	41	if let Some(e) = w.collision_object(ev.collider1).unwrap().data() {
	42	collisions.get_mut(*e).map(\|r\| r.has_collision = true);
	43	}
	44	if let Some(e) = w.collision_object(ev.collider2).unwrap().data() {
	45	collisions.get_mut(*e).map(\|r\| r.has_collision = true);
	46	}
	47	} else {
	48	if let Some(e) = w.collision_object(ev.collider1).unwrap().data() {
	49	collisions.get_mut(*e).map(\|r\| r.has_collision = false);
	50	}
	51	if let Some(e) = w.collision_object(ev.collider2).unwrap().data() {
	52	collisions.get_mut(*e).map(\|r\| r.has_collision = false);
	53	}
	54	}
	55	}
	56	w.clear_events();
71	57	}
72	58	}
73	59

131	117	Collide.run_now(&game.world);
132	118	// Intersection.run_now(&game.world.res);
133	119	Physics.run_now(&game.world);
134		ResetCollision.run_now(&game.world);
	120	// ResetCollision.run_now(&game.world);
135	121	}

-0

src/types.rs less more

4	4	specs::Entity,
5	5	>;
6	6	pub type NPhase = ncollide2d::narrow_phase::NarrowPhase<f32, ()>;
	7	pub type World = ncollide2d::world::CollisionWorld<f32, Option<specs::Entity>>;