@animech-public/playcanvas/build/playcanvas.dbg/src/scene/renderer/render-pass-shadow-local-clustered.js

PlayCanvas WebGL game engine

import { RenderPass } from '../../platform/graphics/render-pass.js';

/**
 * A render pass used to render local clustered shadows. This is done inside a single render pass,
 * as all shadows are part of a single render target atlas.
 *
 * @ignore
 */
class RenderPassShadowLocalClustered extends RenderPass {
  constructor(device, shadowRenderer, shadowRendererLocal) {
    super(device);
    this.requiresCubemaps = false;
    this.shadowRenderer = shadowRenderer;
    this.shadowRendererLocal = shadowRendererLocal;
  }
  update(localLights) {
    // prepare render targets / shadow cameras for rendering
    const shadowLights = this.shadowRendererLocal.shadowLights;
    const shadowCamera = this.shadowRendererLocal.prepareLights(shadowLights, localLights);

    // if any shadows need to be rendered
    const count = shadowLights.length;
    this.enabled = count > 0;
    if (count) {
      // setup render pass using any of the cameras, they all have the same pass related properties
      // Note that the render pass is set up to not clear the render target, as individual shadow maps clear it
      this.shadowRenderer.setupRenderPass(this, shadowCamera, false);
    }
  }
  execute() {
    const shadowLights = this.shadowRendererLocal.shadowLights;
    const count = shadowLights.length;
    for (let i = 0; i < count; i++) {
      const light = shadowLights[i];
      for (let face = 0; face < light.numShadowFaces; face++) {
        this.shadowRenderer.renderFace(light, null, face, true);
      }
    }
    shadowLights.length = 0;
  }
}

export { RenderPassShadowLocalClustered };