pixi.js/lib/scene/mesh/shared/MeshGeometry.mjs

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import { Buffer } from '../../../rendering/renderers/shared/buffer/Buffer.mjs';
import { BufferUsage } from '../../../rendering/renderers/shared/buffer/const.mjs';
import { Geometry } from '../../../rendering/renderers/shared/geometry/Geometry.mjs';
import { deprecation, v8_0_0 } from '../../../utils/logging/deprecation.mjs';

"use strict";
const _MeshGeometry = class _MeshGeometry extends Geometry {
  constructor(...args) {
    let options = args[0] ?? {};
    if (options instanceof Float32Array) {
      deprecation(v8_0_0, "use new MeshGeometry({ positions, uvs, indices }) instead");
      options = {
        positions: options,
        uvs: args[1],
        indices: args[2]
      };
    }
    options = { ..._MeshGeometry.defaultOptions, ...options };
    const positions = options.positions || new Float32Array([0, 0, 1, 0, 1, 1, 0, 1]);
    let uvs = options.uvs;
    if (!uvs) {
      if (options.positions) {
        uvs = new Float32Array(positions.length);
      } else {
        uvs = new Float32Array([0, 0, 1, 0, 1, 1, 0, 1]);
      }
    }
    const indices = options.indices || new Uint32Array([0, 1, 2, 0, 2, 3]);
    const shrinkToFit = options.shrinkBuffersToFit;
    const positionBuffer = new Buffer({
      data: positions,
      label: "attribute-mesh-positions",
      shrinkToFit,
      usage: BufferUsage.VERTEX | BufferUsage.COPY_DST
    });
    const uvBuffer = new Buffer({
      data: uvs,
      label: "attribute-mesh-uvs",
      shrinkToFit,
      usage: BufferUsage.VERTEX | BufferUsage.COPY_DST
    });
    const indexBuffer = new Buffer({
      data: indices,
      label: "index-mesh-buffer",
      shrinkToFit,
      usage: BufferUsage.INDEX | BufferUsage.COPY_DST
    });
    super({
      attributes: {
        aPosition: {
          buffer: positionBuffer,
          format: "float32x2",
          stride: 2 * 4,
          offset: 0
        },
        aUV: {
          buffer: uvBuffer,
          format: "float32x2",
          stride: 2 * 4,
          offset: 0
        }
      },
      indexBuffer,
      topology: options.topology
    });
    this.batchMode = "auto";
  }
  /** The positions of the mesh. */
  get positions() {
    return this.attributes.aPosition.buffer.data;
  }
  /**
   * Set the positions of the mesh.
   * When setting the positions, its important that the uvs array is at least as long as the positions array.
   * otherwise the geometry will not be valid.
   * @param {Float32Array} value - The positions of the mesh.
   */
  set positions(value) {
    this.attributes.aPosition.buffer.data = value;
  }
  /** The UVs of the mesh. */
  get uvs() {
    return this.attributes.aUV.buffer.data;
  }
  /**
   * Set the UVs of the mesh.
   * Its important that the uvs array you set is at least as long as the positions array.
   * otherwise the geometry will not be valid.
   * @param {Float32Array} value - The UVs of the mesh.
   */
  set uvs(value) {
    this.attributes.aUV.buffer.data = value;
  }
  /** The indices of the mesh. */
  get indices() {
    return this.indexBuffer.data;
  }
  set indices(value) {
    this.indexBuffer.data = value;
  }
};
_MeshGeometry.defaultOptions = {
  topology: "triangle-list",
  shrinkBuffersToFit: false
};
let MeshGeometry = _MeshGeometry;

export { MeshGeometry };
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