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Fix testbed compilation with other backends.

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This commit is contained in:
Crozet Sébastien
2020-10-26 15:12:10 +01:00
parent e028f45040
commit 3da333f11c
4 changed files with 81 additions and 79 deletions
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70
src_testbed/box2d_backend.rs
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@@ -167,44 +167,42 @@ impl Box2dWorld {
fixture_def.is_sensor = collider.is_sensor();
fixture_def.filter = b2::Filter::new();
match collider.shape() {
Shape::Ball(b) => {
let mut b2_shape = b2::CircleShape::new();
b2_shape.set_radius(b.radius);
b2_shape.set_position(center);
body.create_fixture(&b2_shape, &mut fixture_def);
}
Shape::Cuboid(c) => {
let b2_shape = b2::PolygonShape::new_box(c.half_extents.x, c.half_extents.y);
body.create_fixture(&b2_shape, &mut fixture_def);
}
Shape::Polygon(poly) => {
let points: Vec<_> = poly
.vertices()
.iter()
.map(|p| collider.position_wrt_parent() * p)
.map(|p| na_vec_to_b2_vec(p.coords))
.collect();
let b2_shape = b2::PolygonShape::new_with(&points);
body.create_fixture(&b2_shape, &mut fixture_def);
}
Shape::HeightField(heightfield) => {
let mut segments = heightfield.segments();
let seg1 = segments.next().unwrap();
let mut vertices = vec![
na_vec_to_b2_vec(seg1.a.coords),
na_vec_to_b2_vec(seg1.b.coords),
];
let shape = collider.shape();
// TODO: this will not handle holes properly.
segments.for_each(|seg| {
vertices.push(na_vec_to_b2_vec(seg.b.coords));
});
if let Some(b) = shape.as_ball() {
let mut b2_shape = b2::CircleShape::new();
b2_shape.set_radius(b.radius);
b2_shape.set_position(center);
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);
// } else if let Some(polygon) = shape.as_polygon() {
// let points: Vec<_> = poly
// .vertices()
// .iter()
// .map(|p| collider.position_wrt_parent() * p)
// .map(|p| na_vec_to_b2_vec(p.coords))
// .collect();
// let b2_shape = b2::PolygonShape::new_with(&points);
// body.create_fixture(&b2_shape, &mut fixture_def);
} else if let Some(heightfield) = shape.as_heightfield() {
let mut segments = heightfield.segments();
let seg1 = segments.next().unwrap();
let mut vertices = vec![
na_vec_to_b2_vec(seg1.a.coords),
na_vec_to_b2_vec(seg1.b.coords),
];
let b2_shape = b2::ChainShape::new_chain(&vertices);
body.create_fixture(&b2_shape, &mut fixture_def);
}
_ => eprintln!("Creating a shape unknown to the Box2d backend."),
// TODO: this will not handle holes properly.
segments.for_each(|seg| {
vertices.push(na_vec_to_b2_vec(seg.b.coords));
});
let b2_shape = b2::ChainShape::new_chain(&vertices);
body.create_fixture(&b2_shape, &mut fixture_def);
} else {
eprintln!("Creating a shape unknown to the Box2d backend.");
}
}