<!-- AVATAR-FORGE · part 258 -->
tions[ actions.length - 1 ];

				action._cacheIndex = null;
				action._byClipCacheIndex = null;

				lastInactiveAction._cacheIndex = cacheIndex;
				actions[ cacheIndex ] = lastInactiveAction;
				actions.pop();

				this._removeInactiveBindingsForAction( action );

			}

			delete actionsByClip[ clipUuid ];

		}

	}

	// free all resources specific to a particular root target object
	uncacheRoot( root ) {

		const rootUuid = root.uuid,
			actionsByClip = this._actionsByClip;

		for ( const clipUuid in actionsByClip ) {

			const actionByRoot = actionsByClip[ clipUuid ].actionByRoot,
				action = actionByRoot[ rootUuid ];

			if ( action !== undefined ) {

				this._deactivateAction( action );
				this._removeInactiveAction( action );

			}

		}

		const bindingsByRoot = this._bindingsByRootAndName,
			bindingByName = bindingsByRoot[ rootUuid ];

		if ( bindingByName !== undefined ) {

			for ( const trackName in bindingByName ) {

				const binding = bindingByName[ trackName ];
				binding.restoreOriginalState();
				this._removeInactiveBinding( binding );

			}

		}

	}

	// remove a targeted clip from the cache
	uncacheAction( clip, optionalRoot ) {

		const action = this.existingAction( clip, optionalRoot );

		if ( action !== null ) {

			this._deactivateAction( action );
			this._removeInactiveAction( action );

		}

	}

}

class Uniform {

	constructor( value ) {

		this.value = value;

	}

	clone() {

		return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );

	}

}

let _id = 0;

class UniformsGroup extends EventDispatcher {

	constructor() {

		super();

		this.isUniformsGroup = true;

		Object.defineProperty( this, 'id', { value: _id ++ } );

		this.name = '';

		this.usage = StaticDrawUsage;
		this.uniforms = [];

	}

	add( uniform ) {

		this.uniforms.push( uniform );

		return this;

	}

	remove( uniform ) {

		const index = this.uniforms.indexOf( uniform );

		if ( index !== - 1 ) this.uniforms.splice( index, 1 );

		return this;

	}

	setName( name ) {

		this.name = name;

		return this;

	}

	setUsage( value ) {

		this.usage = value;

		return this;

	}

	dispose() {

		this.dispatchEvent( { type: 'dispose' } );

		return this;

	}

	copy( source ) {

		this.name = source.name;
		this.usage = source.usage;

		const uniformsSource = source.uniforms;

		this.uniforms.length = 0;

		for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {

			const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];

			for ( let j = 0; j < uniforms.length; j ++ ) {

				this.uniforms.push( uniforms[ j ].clone() );

			}

		}

		return this;

	}

	clone() {

		return new this.constructor().copy( this );

	}

}

class InstancedInterleavedBuffer extends InterleavedBuffer {

	constructor( array, stride, meshPerAttribute = 1 ) {

		super( array, stride );

		this.isInstancedInterleavedBuffer = true;

		this.meshPerAttribute = meshPerAttribute;

	}

	copy( source ) {

		super.copy( source );

		this.meshPerAttribute = source.meshPerAttribute;

		return this;

	}

	clone( data ) {

		const ib = super.clone( data );

		ib.meshPerAttribute = this.meshPerAttribute;

		return ib;

	}

	toJSON( data ) {

		const json = super.toJSON( data );

		json.isInstancedInterleavedBuffer = true;
		json.meshPerAttribute = this.meshPerAttribute;

		return json;

	}

}

class GLBufferAttribute {

	constructor( buffer, type, itemSize, elementSize, count ) {

		this.isGLBufferAttribute = true;

		this.name = '';

		this.buffer = buffer;
		this.type = type;
		this.itemSize = itemSize;
		this.elementSize = elementSize;
		this.count = count;

		this.version = 0;

	}

	set needsUpdate( value ) {

		if ( value === true ) this.version ++;

	}

	setBuffer( buffer ) {

		this.buffer = buffer;

		return this;

	}

	setType( type, elementSize ) {

		this.type = type;
		this.elementSize = elementSize;

		return this;

	}

	setItemSize( itemSize ) {

		this.itemSize = itemSize;

		return this;

	}

	setCount( count ) {

		this.count = count;

		return this;

	}

}

const _matrix = /*@__PURE__*/ new Matrix4();

class Raycaster {

	constructor( origin, direction, near = 0, far = Infinity ) {

		this.ray = new Ray( origin, direction );
		// direction is assumed to be normalized (for accurate distance calculations)

		this.near = near;
		this.far = far;
		this.camera = null;
		this.layers = new Layers();

		this.params = {
			Mesh: {},
			Line: { threshold: 1 },
			LOD: {},
			Points: { threshold: 1 },
			Sprite: {}
		};

	}

	set( origin, direction ) {

		// direction is assumed to be normalized (for accurate distance calculations)

		this.ray.set( origin, direction );

	}

	setFromCamera( coords, camera ) {

		if ( camera.isPerspectiveCamera ) {

			this.ray.origin.setFromMatrixPosition( camera.matrixWorld );
			this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();
			this.camera =