Initial project import

node_modules/three-stdlib/postprocessing/AfterimagePass.js

@@ -0,0 +1,69 @@
+var __defProp = Object.defineProperty;
+var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
+var __publicField = (obj, key, value) => {
+  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
+  return value;
+};
+import { UniformsUtils, WebGLRenderTarget, LinearFilter, NearestFilter, RGBAFormat, ShaderMaterial, MeshBasicMaterial } from "three";
+import { Pass, FullScreenQuad } from "./Pass.js";
+import { AfterimageShader } from "../shaders/AfterimageShader.js";
+class AfterimagePass extends Pass {
+  constructor(damp = 0.96, shader = AfterimageShader) {
+    super();
+    __publicField(this, "shader");
+    __publicField(this, "uniforms");
+    __publicField(this, "textureComp");
+    __publicField(this, "textureOld");
+    __publicField(this, "shaderMaterial");
+    __publicField(this, "compFsQuad");
+    __publicField(this, "copyFsQuad");
+    this.shader = shader;
+    this.uniforms = UniformsUtils.clone(shader.uniforms);
+    this.uniforms["damp"].value = damp;
+    this.textureComp = new WebGLRenderTarget(window.innerWidth, window.innerHeight, {
+      minFilter: LinearFilter,
+      magFilter: NearestFilter,
+      format: RGBAFormat
+    });
+    this.textureOld = new WebGLRenderTarget(window.innerWidth, window.innerHeight, {
+      minFilter: LinearFilter,
+      magFilter: NearestFilter,
+      format: RGBAFormat
+    });
+    this.shaderMaterial = new ShaderMaterial({
+      uniforms: this.uniforms,
+      vertexShader: this.shader.vertexShader,
+      fragmentShader: this.shader.fragmentShader
+    });
+    this.compFsQuad = new FullScreenQuad(this.shaderMaterial);
+    let material = new MeshBasicMaterial();
+    this.copyFsQuad = new FullScreenQuad(material);
+  }
+  render(renderer, writeBuffer, readBuffer) {
+    this.uniforms["tOld"].value = this.textureOld.texture;
+    this.uniforms["tNew"].value = readBuffer.texture;
+    renderer.setRenderTarget(this.textureComp);
+    this.compFsQuad.render(renderer);
+    this.copyFsQuad.material.map = this.textureComp.texture;
+    if (this.renderToScreen) {
+      renderer.setRenderTarget(null);
+      this.copyFsQuad.render(renderer);
+    } else {
+      renderer.setRenderTarget(writeBuffer);
+      if (this.clear)
+        renderer.clear();
+      this.copyFsQuad.render(renderer);
+    }
+    let temp = this.textureOld;
+    this.textureOld = this.textureComp;
+    this.textureComp = temp;
+  }
+  setSize(width, height) {
+    this.textureComp.setSize(width, height);
+    this.textureOld.setSize(width, height);
+  }
+}
+export {
+  AfterimagePass
+};
+//# sourceMappingURL=AfterimagePass.js.map