@polygonjs/polygonjs/dist/src/engine/nodes/js/_BaseSDF.js

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

"use strict";
import { TypedJsNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { Vector3 } from "three";
import { CoreString } from "../../../core/String";
const POSITION_NAME = "position";
const VARS = {
  position: POSITION_NAME
};
class BaseSDFJsParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    this.position = ParamConfig.VECTOR3([0, 0, 0]);
  }
}
export function defaultPosition(linesController, node) {
  const sanitizedNodePath = CoreString.sanitizeName(node.path());
  const varName = `${sanitizedNodePath}_${POSITION_NAME}`;
  linesController.addVariable(node, new Vector3(), varName);
  return `${varName}.copy(${VARS.position})`;
}
export class BaseSDFJsNode extends TypedJsNode {
  position(linesController) {
    const inputPosition = this.io.inputs.named_input(POSITION_NAME);
    const position = inputPosition ? this.variableForInputParam(linesController, this.p.position) : defaultPosition(linesController, this);
    return position;
  }
}