on scene selection OK + keyframe model

app/thirdparty/Three/shaders/CopyShader.module.js

@@ -0,0 +1,52 @@
+/**
+ * @module CopyShader
+ * @three_import import { CopyShader } from 'three/addons/shaders/CopyShader.js';
+ */
+
+/**
+ * Full-screen copy shader pass.
+ *
+ * @constant
+ * @type {ShaderMaterial~Shader}
+ */
+const CopyShader = {
+
+	name: 'CopyShader',
+
+	uniforms: {
+
+		'tDiffuse': { value: null },
+		'opacity': { value: 1.0 }
+
+	},
+
+	vertexShader: /* glsl */`
+
+		varying vec2 vUv;
+
+		void main() {
+
+			vUv = uv;
+			gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
+
+		}`,
+
+	fragmentShader: /* glsl */`
+
+		uniform float opacity;
+
+		uniform sampler2D tDiffuse;
+
+		varying vec2 vUv;
+
+		void main() {
+
+			vec4 texel = texture2D( tDiffuse, vUv );
+			gl_FragColor = opacity * texel;
+
+
+		}`
+
+};
+
+export { CopyShader };