three#InterleavedBufferAttribute TypeScript Examples

The following examples show how to use three#InterleavedBufferAttribute. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: collision.ts    From spacesvr with MIT License 6 votes vote down vote up 
useTrimeshCollision = (geometry: BufferGeometry) => {
  const indices = (geometry.index as BufferAttribute).array as number[];

  const isInterleaved =
    // @ts-ignore
    geometry.attributes.position.isInterleavedBufferAttribute;

  let vertices: number[] = [];
  if (isInterleaved) {
    const attr = geometry.attributes.position as InterleavedBufferAttribute;
    const data = attr.data;
    for (let i = attr.offset; i < data.array.length; i += data.stride) {
      for (let x = 0; x < attr.itemSize; x++) {
        vertices.push(data.array[i + x]);
      }
    }
  } else {
    vertices = (geometry.attributes.position as BufferAttribute)
      .array as number[];
  }

  const [hitbox] = useTrimesh(() => ({
    type: "Static",
    args: [vertices, indices],
  }));

  return hitbox;
}