pixi.js/lib/scene/mesh/shared/BatchableMesh.js

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'use strict';

"use strict";
class BatchableMesh {
  constructor() {
    this.batcherName = "default";
    this.packAsQuad = false;
    this.indexOffset = 0;
    this.attributeOffset = 0;
    this.roundPixels = 0;
    this._batcher = null;
    this._batch = null;
    this._textureMatrixUpdateId = -1;
    this._uvUpdateId = -1;
  }
  get blendMode() {
    return this.renderable.groupBlendMode;
  }
  get topology() {
    return this._topology || this.geometry.topology;
  }
  set topology(value) {
    this._topology = value;
  }
  reset() {
    this.renderable = null;
    this.texture = null;
    this._batcher = null;
    this._batch = null;
    this.geometry = null;
    this._uvUpdateId = -1;
    this._textureMatrixUpdateId = -1;
  }
  /**
   * Sets the texture for the batchable mesh.
   * As it does so, it resets the texture matrix update ID.
   * this is to ensure that the texture matrix is recalculated when the uvs are referenced
   * @param value - The texture to set.
   */
  setTexture(value) {
    if (this.texture === value)
      return;
    this.texture = value;
    this._textureMatrixUpdateId = -1;
  }
  get uvs() {
    const geometry = this.geometry;
    const uvBuffer = geometry.getBuffer("aUV");
    const uvs = uvBuffer.data;
    let transformedUvs = uvs;
    const textureMatrix = this.texture.textureMatrix;
    if (!textureMatrix.isSimple) {
      transformedUvs = this._transformedUvs;
      if (this._textureMatrixUpdateId !== textureMatrix._updateID || this._uvUpdateId !== uvBuffer._updateID) {
        if (!transformedUvs || transformedUvs.length < uvs.length) {
          transformedUvs = this._transformedUvs = new Float32Array(uvs.length);
        }
        this._textureMatrixUpdateId = textureMatrix._updateID;
        this._uvUpdateId = uvBuffer._updateID;
        textureMatrix.multiplyUvs(uvs, transformedUvs);
      }
    }
    return transformedUvs;
  }
  get positions() {
    return this.geometry.positions;
  }
  get indices() {
    return this.geometry.indices;
  }
  get color() {
    return this.renderable.groupColorAlpha;
  }
  get groupTransform() {
    return this.renderable.groupTransform;
  }
  get attributeSize() {
    return this.geometry.positions.length / 2;
  }
  get indexSize() {
    return this.geometry.indices.length;
  }
}

exports.BatchableMesh = BatchableMesh;
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