@pixi/core/lib/state/State.js

Core PixiJS

"use strict";
var constants = require("@pixi/constants");
const BLEND = 0, OFFSET = 1, CULLING = 2, DEPTH_TEST = 3, WINDING = 4, DEPTH_MASK = 5;
class State {
  constructor() {
    this.data = 0, this.blendMode = constants.BLEND_MODES.NORMAL, this.polygonOffset = 0, this.blend = !0, this.depthMask = !0;
  }
  /**
   * Activates blending of the computed fragment color values.
   * @default true
   */
  get blend() {
    return !!(this.data & 1 << BLEND);
  }
  set blend(value) {
    !!(this.data & 1 << BLEND) !== value && (this.data ^= 1 << BLEND);
  }
  /**
   * Activates adding an offset to depth values of polygon's fragments
   * @default false
   */
  get offsets() {
    return !!(this.data & 1 << OFFSET);
  }
  set offsets(value) {
    !!(this.data & 1 << OFFSET) !== value && (this.data ^= 1 << OFFSET);
  }
  /**
   * Activates culling of polygons.
   * @default false
   */
  get culling() {
    return !!(this.data & 1 << CULLING);
  }
  set culling(value) {
    !!(this.data & 1 << CULLING) !== value && (this.data ^= 1 << CULLING);
  }
  /**
   * Activates depth comparisons and updates to the depth buffer.
   * @default false
   */
  get depthTest() {
    return !!(this.data & 1 << DEPTH_TEST);
  }
  set depthTest(value) {
    !!(this.data & 1 << DEPTH_TEST) !== value && (this.data ^= 1 << DEPTH_TEST);
  }
  /**
   * Enables or disables writing to the depth buffer.
   * @default true
   */
  get depthMask() {
    return !!(this.data & 1 << DEPTH_MASK);
  }
  set depthMask(value) {
    !!(this.data & 1 << DEPTH_MASK) !== value && (this.data ^= 1 << DEPTH_MASK);
  }
  /**
   * Specifies whether or not front or back-facing polygons can be culled.
   * @default false
   */
  get clockwiseFrontFace() {
    return !!(this.data & 1 << WINDING);
  }
  set clockwiseFrontFace(value) {
    !!(this.data & 1 << WINDING) !== value && (this.data ^= 1 << WINDING);
  }
  /**
   * The blend mode to be applied when this state is set. Apply a value of `PIXI.BLEND_MODES.NORMAL` to reset the blend mode.
   * Setting this mode to anything other than NO_BLEND will automatically switch blending on.
   * @default PIXI.BLEND_MODES.NORMAL
   */
  get blendMode() {
    return this._blendMode;
  }
  set blendMode(value) {
    this.blend = value !== constants.BLEND_MODES.NONE, this._blendMode = value;
  }
  /**
   * The polygon offset. Setting this property to anything other than 0 will automatically enable polygon offset fill.
   * @default 0
   */
  get polygonOffset() {
    return this._polygonOffset;
  }
  set polygonOffset(value) {
    this.offsets = !!value, this._polygonOffset = value;
  }
  static for2d() {
    const state = new State();
    return state.depthTest = !1, state.blend = !0, state;
  }
}
State.prototype.toString = function() {
  return `[@pixi/core:State blendMode=${this.blendMode} clockwiseFrontFace=${this.clockwiseFrontFace} culling=${this.culling} depthMask=${this.depthMask} polygonOffset=${this.polygonOffset}]`;
};
exports.State = State;
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