Initial project import

node_modules/three-stdlib/effects/AnaglyphEffect.js

@@ -0,0 +1,104 @@
+import { Matrix3, OrthographicCamera, Scene, StereoCamera, WebGLRenderTarget, ShaderMaterial, Mesh, PlaneGeometry, LinearFilter, NearestFilter, RGBAFormat } from "three";
+import { version } from "../_polyfill/constants.js";
+class AnaglyphEffect {
+  constructor(renderer, width = 512, height = 512) {
+    this.colorMatrixLeft = new Matrix3().fromArray([
+      0.4561,
+      -0.0400822,
+      -0.0152161,
+      0.500484,
+      -0.0378246,
+      -0.0205971,
+      0.176381,
+      -0.0157589,
+      -546856e-8
+    ]);
+    this.colorMatrixRight = new Matrix3().fromArray([
+      -0.0434706,
+      0.378476,
+      -0.0721527,
+      -0.0879388,
+      0.73364,
+      -0.112961,
+      -155529e-8,
+      -0.0184503,
+      1.2264
+    ]);
+    const _camera = new OrthographicCamera(-1, 1, 1, -1, 0, 1);
+    const _scene = new Scene();
+    const _stereo = new StereoCamera();
+    const _params = { minFilter: LinearFilter, magFilter: NearestFilter, format: RGBAFormat };
+    const _renderTargetL = new WebGLRenderTarget(width, height, _params);
+    const _renderTargetR = new WebGLRenderTarget(width, height, _params);
+    const _material = new ShaderMaterial({
+      uniforms: {
+        mapLeft: { value: _renderTargetL.texture },
+        mapRight: { value: _renderTargetR.texture },
+        colorMatrixLeft: { value: this.colorMatrixLeft },
+        colorMatrixRight: { value: this.colorMatrixRight }
+      },
+      vertexShader: [
+        "varying vec2 vUv;",
+        "void main() {",
+        "	vUv = vec2( uv.x, uv.y );",
+        "	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+        "}"
+      ].join("\n"),
+      fragmentShader: [
+        "uniform sampler2D mapLeft;",
+        "uniform sampler2D mapRight;",
+        "varying vec2 vUv;",
+        "uniform mat3 colorMatrixLeft;",
+        "uniform mat3 colorMatrixRight;",
+        "void main() {",
+        "	vec2 uv = vUv;",
+        "	vec4 colorL = texture2D( mapLeft, uv );",
+        "	vec4 colorR = texture2D( mapRight, uv );",
+        "	vec3 color = clamp(",
+        "			colorMatrixLeft * colorL.rgb +",
+        "			colorMatrixRight * colorR.rgb, 0., 1. );",
+        "	gl_FragColor = vec4(",
+        "			color.r, color.g, color.b,",
+        "			max( colorL.a, colorR.a ) );",
+        "	#include <tonemapping_fragment>",
+        `	#include <${version >= 154 ? "colorspace_fragment" : "encodings_fragment"}>`,
+        "}"
+      ].join("\n")
+    });
+    const _mesh = new Mesh(new PlaneGeometry(2, 2), _material);
+    _scene.add(_mesh);
+    this.setSize = function(width2, height2) {
+      renderer.setSize(width2, height2);
+      const pixelRatio = renderer.getPixelRatio();
+      _renderTargetL.setSize(width2 * pixelRatio, height2 * pixelRatio);
+      _renderTargetR.setSize(width2 * pixelRatio, height2 * pixelRatio);
+    };
+    this.render = function(scene, camera) {
+      const currentRenderTarget = renderer.getRenderTarget();
+      if (scene.matrixWorldAutoUpdate === true)
+        scene.updateMatrixWorld();
+      if (camera.parent === null && camera.matrixWorldAutoUpdate === true)
+        camera.updateMatrixWorld();
+      _stereo.update(camera);
+      renderer.setRenderTarget(_renderTargetL);
+      renderer.clear();
+      renderer.render(scene, _stereo.cameraL);
+      renderer.setRenderTarget(_renderTargetR);
+      renderer.clear();
+      renderer.render(scene, _stereo.cameraR);
+      renderer.setRenderTarget(null);
+      renderer.render(_scene, _camera);
+      renderer.setRenderTarget(currentRenderTarget);
+    };
+    this.dispose = function() {
+      _renderTargetL.dispose();
+      _renderTargetR.dispose();
+      _mesh.geometry.dispose();
+      _mesh.material.dispose();
+    };
+  }
+}
+export {
+  AnaglyphEffect
+};
+//# sourceMappingURL=AnaglyphEffect.js.map