ZhongMianAdmin/packages/kankan-sdk-deps/lib/shaders/CopyShader.js

;(function () {
    /**
     * Full-screen textured quad shader
     */
    const 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() {

			gl_FragColor = texture2D( tDiffuse, vUv );
			gl_FragColor.a *= opacity;


		}`,
    }

    THREE.CopyShader = CopyShader
})()