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Add static-simple collision mode for model instances

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This commit is contained in:
Victor Giers
2026-04-11 16:30:55 +02:00
parent 27664d9074
commit f4150ea4a8
8 changed files with 521 additions and 23 deletions
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32
src/runtime-three/rapier-collision-world.ts
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@@ -165,14 +165,36 @@ function attachDynamicModelCollider(world: RAPIER.World, collider: GeneratedMode
const body = createFixedBodyForModelCollider(world, collider);
for (const piece of collider.pieces) {
const scaledPoints = scaleVertices(piece.points, collider.transform.scale);
const descriptor = RAPIER.ColliderDesc.convexHull(scaledPoints);
if (piece.kind === "convexHull") {
const scaledPoints = scaleVertices(piece.points, collider.transform.scale);
const descriptor = RAPIER.ColliderDesc.convexHull(scaledPoints);
if (descriptor === null) {
throw new Error(`Dynamic collider piece ${piece.id} could not form a valid convex hull.`);
if (descriptor === null) {
throw new Error(`Dynamic collider piece ${piece.id} could not form a valid convex hull.`);
}
world.createCollider(descriptor, body);
continue;
}
world.createCollider(descriptor, body);
const scaledCenter = componentScale(piece.center, collider.transform.scale);
const scaledHalfExtents = componentScale(
{
x: piece.size.x * 0.5,
y: piece.size.y * 0.5,
z: piece.size.z * 0.5
},
collider.transform.scale
);
world.createCollider(
RAPIER.ColliderDesc.cuboid(scaledHalfExtents.x, scaledHalfExtents.y, scaledHalfExtents.z).setTranslation(
scaledCenter.x,
scaledCenter.y,
scaledCenter.z
),
body
);
}
}