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Add convex polygons support.

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This commit is contained in:
Crozet Sébastien
2020-12-27 18:14:22 +01:00
parent 27ebb541f8
commit 8d925a02ef
8 changed files with 208 additions and 21 deletions
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8
src_testbed/box2d_backend.rs
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@@ -174,6 +174,14 @@ impl Box2dWorld {
b2_shape.set_radius(b.radius);
b2_shape.set_position(center);
body.create_fixture(&b2_shape, &mut fixture_def);
} else if let Some(p) = shape.as_convex_polygon() {
let vertices: Vec<_> = p
.points()
.iter()
.map(|p| na_vec_to_b2_vec(p.coords))
.collect();
let b2_shape = b2::PolygonShape::new_with(&vertices);
body.create_fixture(&b2_shape, &mut fixture_def);
} else if let Some(c) = shape.as_cuboid() {
let b2_shape = b2::PolygonShape::new_box(c.half_extents.x, c.half_extents.y);
body.create_fixture(&b2_shape, &mut fixture_def);