You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
2.4 KiB
122 lines
2.4 KiB
import { Vector3 } from 'three';
|
|
import Node from '../core/Node.js';
|
|
import UniformNode from '../core/UniformNode.js';
|
|
import { NodeUpdateType } from '../core/constants.js';
|
|
|
|
class Object3DNode extends Node {
|
|
|
|
static VIEW_MATRIX = 'viewMatrix';
|
|
static NORMAL_MATRIX = 'normalMatrix';
|
|
static WORLD_MATRIX = 'worldMatrix';
|
|
static POSITION = 'position';
|
|
static VIEW_POSITION = 'viewPosition';
|
|
|
|
constructor( scope = Object3DNode.VIEW_MATRIX, object3d = null ) {
|
|
|
|
super();
|
|
|
|
this.scope = scope;
|
|
this.object3d = object3d;
|
|
|
|
this.updateType = NodeUpdateType.OBJECT;
|
|
|
|
this._uniformNode = new UniformNode( null );
|
|
|
|
}
|
|
|
|
getNodeType() {
|
|
|
|
const scope = this.scope;
|
|
|
|
if ( scope === Object3DNode.WORLD_MATRIX || scope === Object3DNode.VIEW_MATRIX ) {
|
|
|
|
return 'mat4';
|
|
|
|
} else if ( scope === Object3DNode.NORMAL_MATRIX ) {
|
|
|
|
return 'mat3';
|
|
|
|
} else if ( scope === Object3DNode.POSITION || scope === Object3DNode.VIEW_POSITION ) {
|
|
|
|
return 'vec3';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
update( frame ) {
|
|
|
|
const object = this.object3d;
|
|
const uniformNode = this._uniformNode;
|
|
const scope = this.scope;
|
|
|
|
if ( scope === Object3DNode.VIEW_MATRIX ) {
|
|
|
|
uniformNode.value = object.modelViewMatrix;
|
|
|
|
} else if ( scope === Object3DNode.NORMAL_MATRIX ) {
|
|
|
|
uniformNode.value = object.normalMatrix;
|
|
|
|
} else if ( scope === Object3DNode.WORLD_MATRIX ) {
|
|
|
|
uniformNode.value = object.matrixWorld;
|
|
|
|
} else if ( scope === Object3DNode.POSITION ) {
|
|
|
|
uniformNode.value.setFromMatrixPosition( object.matrixWorld );
|
|
|
|
} else if ( scope === Object3DNode.VIEW_POSITION ) {
|
|
|
|
const camera = frame.camera;
|
|
|
|
uniformNode.value = uniformNode.value || new Vector3();
|
|
uniformNode.value.setFromMatrixPosition( object.matrixWorld );
|
|
|
|
uniformNode.value.applyMatrix4( camera.matrixWorldInverse );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
generate( builder ) {
|
|
|
|
const scope = this.scope;
|
|
|
|
if ( scope === Object3DNode.WORLD_MATRIX || scope === Object3DNode.VIEW_MATRIX ) {
|
|
|
|
this._uniformNode.nodeType = 'mat4';
|
|
|
|
} else if ( scope === Object3DNode.NORMAL_MATRIX ) {
|
|
|
|
this._uniformNode.nodeType = 'mat3';
|
|
|
|
} else if ( scope === Object3DNode.POSITION || scope === Object3DNode.VIEW_POSITION ) {
|
|
|
|
this._uniformNode.nodeType = 'vec3';
|
|
|
|
}
|
|
|
|
return this._uniformNode.build( builder );
|
|
|
|
}
|
|
|
|
serialize( data ) {
|
|
|
|
super.serialize( data );
|
|
|
|
data.scope = this.scope;
|
|
|
|
}
|
|
|
|
deserialize( data ) {
|
|
|
|
super.deserialize( data );
|
|
|
|
this.scope = data.scope;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default Object3DNode;
|
|
|