| function WebGLObjects( gl, geometries, attributes, info ) { |
|
|
| let updateMap = new WeakMap(); |
|
|
| function update( object ) { |
|
|
| const frame = info.render.frame; |
|
|
| const geometry = object.geometry; |
| const buffergeometry = geometries.get( object, geometry ); |
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| |
|
|
| if ( updateMap.get( buffergeometry ) !== frame ) { |
|
|
| geometries.update( buffergeometry ); |
|
|
| updateMap.set( buffergeometry, frame ); |
|
|
| } |
|
|
| if ( object.isInstancedMesh ) { |
|
|
| if ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) { |
|
|
| object.addEventListener( 'dispose', onInstancedMeshDispose ); |
|
|
| } |
|
|
| if ( updateMap.get( object ) !== frame ) { |
|
|
| attributes.update( object.instanceMatrix, gl.ARRAY_BUFFER ); |
|
|
| if ( object.instanceColor !== null ) { |
|
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| attributes.update( object.instanceColor, gl.ARRAY_BUFFER ); |
|
|
| } |
|
|
| updateMap.set( object, frame ); |
|
|
| } |
|
|
| } |
|
|
| if ( object.isSkinnedMesh ) { |
|
|
| const skeleton = object.skeleton; |
|
|
| if ( updateMap.get( skeleton ) !== frame ) { |
|
|
| skeleton.update(); |
|
|
| updateMap.set( skeleton, frame ); |
|
|
| } |
|
|
| } |
|
|
| return buffergeometry; |
|
|
| } |
|
|
| function dispose() { |
|
|
| updateMap = new WeakMap(); |
|
|
| } |
|
|
| function onInstancedMeshDispose( event ) { |
|
|
| const instancedMesh = event.target; |
|
|
| instancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose ); |
|
|
| attributes.remove( instancedMesh.instanceMatrix ); |
|
|
| if ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor ); |
|
|
| } |
|
|
| return { |
|
|
| update: update, |
| dispose: dispose |
|
|
| }; |
|
|
| } |
|
|
|
|
| export { WebGLObjects }; |
|
|
