fix some typos
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parent
7609eb3e4b
commit
1eab69d8ad
27
src/main.rs
27
src/main.rs
@ -44,10 +44,11 @@ impl Rect {
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}
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pub fn point_collides(&self, pos: (f64, f64), point: (f64, f64)) -> bool {
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pos.0 + self.width > point.0
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&& pos.0 <= point.0
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&& pos.1 + self.height > point.1
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&& pos.1 <= point.1
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println!("point: {point:?}");
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pos.0 + self.width < point.0
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&& pos.0 >= point.0
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&& pos.1 + self.height < point.1
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&& pos.1 >= point.1
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}
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}
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//
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@ -91,6 +92,7 @@ fn vertical_line_intersect(p0: (f64, f64), vel: (f64, f64), line_x: f64) -> (f64
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(line_x, y)
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}
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#[derive(Debug)]
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enum Surface {
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Top,
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Bottom,
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@ -116,12 +118,11 @@ fn closest_surface_for_point_and_rectangle_and_your_mom(
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),
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(vertical_line_intersect(p0, vel, rect_pos.0), Surface::Left),
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(
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horizontal_line_intersect(p0, vel, rect_pos.0 + rect.width),
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vertical_line_intersect(p0, vel, rect_pos.0 + rect.width),
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Surface::Right,
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),
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]
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.into_iter()
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.filter(|(point, _)| rect.point_collides(rect_pos, *point))
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.map(|(point, surface)| (point_distance(p0, point), surface))
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.min_by(|(dist_a, _), (dist_b, _)| dist_a.total_cmp(&dist_b))
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}
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@ -140,10 +141,9 @@ impl System for CollisionSystem {
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if id == other_id {
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continue;
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}
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let other_rect = ctx.entity_component::<Rect>(id).clone();
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let other_body = ctx.entity_component::<RigidBody>(id).clone();
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let other_rect = ctx.entity_component::<Rect>(other_id).clone();
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let other_body = ctx.entity_component::<RigidBody>(other_id).clone();
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if rect.rect_collides(body.pos, &other_rect, other_body.pos) {
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println!("collider vi?");
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let last_pos = (
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body.pos.0 - body.vel.0 * delta,
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body.pos.1 - body.vel.1 * delta,
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@ -163,11 +163,14 @@ impl System for CollisionSystem {
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&other_rect,
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)
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})
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.inspect(|v| println!("item: {v:?}"))
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.filter_map(std::convert::identity)
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.min_by(|(dist_a, _), (dist_b, _)| dist_a.total_cmp(&dist_b))
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.map(|(_, surface)| surface)
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.ok_or_else(|| "we already checked if collision happens")?;
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println!("surface found: {closest_surface:?}");
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let body = ctx.entity_component::<RigidBody>(id);
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match closest_surface {
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Surface::Top => {
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@ -313,8 +316,8 @@ fn main() {
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..Default::default()
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},
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Rect {
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width: 256.0,
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height: 256.0
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width: 128.0,
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height: 128.0
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},
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Collider { resolve: true },
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PlayerMovement,
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@ -323,7 +326,7 @@ fn main() {
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spawn!(
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&mut context,
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RigidBody {
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pos: (0.0, 650.0),
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pos: (0.0, 720.0),
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..Default::default()
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},
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Rect {
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