@polygonjs/polygonjs/dist/src/engine/operations/sop/UvTransform.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { BaseSopOperation } from "./_Base";
import { SopType } from "../../poly/registers/nodes/types/Sop";
import { Vector2 } from "three";
import { InputCloneMode } from "../../poly/InputCloneMode";
export class UvTransformSopOperation extends BaseSopOperation {
  static type() {
    return SopType.UV_TRANSFORM;
  }
  cook(input_contents, params) {
    const objects = input_contents[0].threejsObjectsWithGeo();
    for (let object of objects) {
      const geometry = object.geometry;
      const attrib = geometry.getAttribute(params.attribName);
      const array = attrib.array;
      const ptsCount = array.length / 2;
      for (let i = 0; i < ptsCount; i++) {
        array[i * 2 + 0] = params.t.x + params.pivot.x + params.s.x * (array[i * 2 + 0] - params.pivot.x);
        array[i * 2 + 1] = params.t.y + params.pivot.y + params.s.y * (array[i * 2 + 1] - params.pivot.y);
      }
      attrib.needsUpdate = true;
    }
    return input_contents[0];
  }
}
UvTransformSopOperation.DEFAULT_PARAMS = {
  attribName: "uv",
  t: new Vector2(0, 0),
  s: new Vector2(1, 1),
  pivot: new Vector2(0, 0)
};
UvTransformSopOperation.INPUT_CLONED_STATE = InputCloneMode.FROM_NODE;