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RapierPhysics: Add triangular mesh collider #28993

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Merged
merged 3 commits into from
Jul 27, 2024
Merged

RapierPhysics: Add triangular mesh collider #28993

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RapierPhysics: Add triangular mesh collider
ferminLR Jul 26, 2024
ff1c733
Formatting
ferminLR Jul 27, 2024
4011369
Add support for interleaved buffers
ferminLR Jul 27, 2024
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11 changes: 11 additions & 0 deletions examples/jsm/physics/RapierPhysics.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,17 @@ function getShape( geometry ) {
const radius = parameters.radius !== undefined ? parameters.radius : 1;
return RAPIER.ColliderDesc.ball( radius );

} else if ( geometry.type === 'BufferGeometry' ) {

const vertices = geometry.getAttribute( 'position' ).array;

// if the buffer is non-indexed, generate an index buffer
const indices = geometry.getIndex() === null
? Uint32Array.from( Array( parseInt( vertices.length / 3 ) ).keys() )
: geometry.getIndex().array;

return RAPIER.ColliderDesc.trimesh( vertices, indices );

}

return null;
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