@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
42 lines (41 loc) • 1.13 kB
JavaScript
;
import { BaseMethod } from "./_Base";
import { Box3, Vector3 } from "three";
const tmpBox = new Box3();
const tmpCenter = new Vector3();
export class CentroidExpression extends BaseMethod {
static requiredArguments() {
return [
["string", "path to node"],
["string", "component_name, x,y or z"]
];
}
findDependency(args) {
return this.createDependencyFromIndexOrPath(args);
}
async processArguments(args) {
if (args.length >= 1) {
const index_or_path = args[0];
const component_name = args[1];
const container = await this.getReferencedNodeContainer(index_or_path);
if (container) {
const coreGroup = container.coreContent();
if (coreGroup) {
coreGroup.boundingBox(tmpBox);
tmpBox.getCenter(tmpCenter);
if (component_name) {
const value = tmpCenter[component_name];
if (value != null) {
return value;
} else {
return 0;
}
} else {
return tmpCenter;
}
}
}
}
return 0;
}
}