@openhps/core/dist/esm/three/nodes/display/PosterizeNode.js

Open Hybrid Positioning System - Core component

import TempNode from '../core/TempNode.js';
import { nodeProxy } from '../tsl/TSLBase.js';

/**
 * Represents a posterize effect which reduces the number of colors
 * in an image, resulting in a more blocky and stylized appearance.
 *
 * @augments TempNode
 */
class PosterizeNode extends TempNode {
  static get type() {
    return 'PosterizeNode';
  }

  /**
   * Constructs a new posterize node.
   *
   * @param {Node} sourceNode - The input color.
   * @param {Node} stepsNode - Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.
   */
  constructor(sourceNode, stepsNode) {
    super();

    /**
     * The input color.
     *
     * @type {Node}
     */
    this.sourceNode = sourceNode;

    /**
     * Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.
     *
     * @type {Node}
     */
    this.stepsNode = stepsNode;
  }
  setup() {
    const {
      sourceNode,
      stepsNode
    } = this;
    return sourceNode.mul(stepsNode).floor().div(stepsNode);
  }
}
export default PosterizeNode;

/**
 * TSL function for creating a posterize node.
 *
 * @tsl
 * @function
 * @param {Node} sourceNode - The input color.
 * @param {Node} stepsNode - Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.
 * @returns {PosterizeNode}
 */
export const posterize = /*@__PURE__*/nodeProxy(PosterizeNode).setParameterLength(2);