three 基础库
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import { Vector4 } from '../../../../build/three.module.js';
import { InputNode } from '../core/InputNode.js';
import { NodeUtils } from '../core/NodeUtils.js';
class Vector4Node extends InputNode {
constructor( x, y, z, w ) {
super( 'v4' );
this.value = x instanceof Vector4 ? x : new Vector4( x, y, z, w );
}
generateReadonly( builder, output, uuid, type/*, ns, needsUpdate*/ ) {
return builder.format( 'vec4( ' + this.x + ', ' + this.y + ', ' + this.z + ', ' + this.w + ' )', type, output );
}
copy( source ) {
super.copy( source );
this.value.copy( source );
return this;
}
toJSON( meta ) {
let data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.x = this.x;
data.y = this.y;
data.z = this.z;
data.w = this.w;
if ( this.readonly === true ) data.readonly = true;
}
return data;
}
}
Vector4Node.prototype.nodeType = 'Vector4';
NodeUtils.addShortcuts( Vector4Node.prototype, 'value', [ 'x', 'y', 'z', 'w' ] );
export { Vector4Node };