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

Core PixiJS

import { BLEND_MODES } from '@pixi/constants';

const BLEND = 0;
const OFFSET = 1;
const CULLING = 2;
const DEPTH_TEST = 3;
const WINDING = 4;
const DEPTH_MASK = 5;
class State {
  constructor() {
    this.data = 0;
    this.blendMode = BLEND_MODES.NORMAL;
    this.polygonOffset = 0;
    this.blend = true;
    this.depthMask = true;
  }
  get blend() {
    return !!(this.data & 1 << BLEND);
  }
  set blend(value) {
    if (!!(this.data & 1 << BLEND) !== value) {
      this.data ^= 1 << BLEND;
    }
  }
  get offsets() {
    return !!(this.data & 1 << OFFSET);
  }
  set offsets(value) {
    if (!!(this.data & 1 << OFFSET) !== value) {
      this.data ^= 1 << OFFSET;
    }
  }
  get culling() {
    return !!(this.data & 1 << CULLING);
  }
  set culling(value) {
    if (!!(this.data & 1 << CULLING) !== value) {
      this.data ^= 1 << CULLING;
    }
  }
  get depthTest() {
    return !!(this.data & 1 << DEPTH_TEST);
  }
  set depthTest(value) {
    if (!!(this.data & 1 << DEPTH_TEST) !== value) {
      this.data ^= 1 << DEPTH_TEST;
    }
  }
  get depthMask() {
    return !!(this.data & 1 << DEPTH_MASK);
  }
  set depthMask(value) {
    if (!!(this.data & 1 << DEPTH_MASK) !== value) {
      this.data ^= 1 << DEPTH_MASK;
    }
  }
  get clockwiseFrontFace() {
    return !!(this.data & 1 << WINDING);
  }
  set clockwiseFrontFace(value) {
    if (!!(this.data & 1 << WINDING) !== value) {
      this.data ^= 1 << WINDING;
    }
  }
  get blendMode() {
    return this._blendMode;
  }
  set blendMode(value) {
    this.blend = value !== BLEND_MODES.NONE;
    this._blendMode = value;
  }
  get polygonOffset() {
    return this._polygonOffset;
  }
  set polygonOffset(value) {
    this.offsets = !!value;
    this._polygonOffset = value;
  }
  toString() {
    return `[@pixi/core:State blendMode=${this.blendMode} clockwiseFrontFace=${this.clockwiseFrontFace} culling=${this.culling} depthMask=${this.depthMask} polygonOffset=${this.polygonOffset}]`;
  }
  static for2d() {
    const state = new State();
    state.depthTest = false;
    state.blend = true;
    return state;
  }
}

export { State };
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