ZhongMianAdmin/packages/kankan-sdk-deps/lib/three_plus.js

THREE.HorizontalBlurShader = {
    uniforms: {
        tDiffuse: {
            type: 't',
            value: null,
        },
        h: {
            type: 'f',
            value: 1 / 512,
        },
    },
    vertexShader: ['varying vec2 vUv;', 'void main() {', 'vUv = uv;', 'gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );', '}'].join('\n'),
    fragmentShader: [
        'uniform sampler2D tDiffuse;',
        'uniform float h;',
        'varying vec2 vUv;',
        'void main() {',
        'vec4 sum = vec4( 0.0 );',
        'sum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;',
        'sum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;',
        'sum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;',
        'sum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;',
        'sum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;',
        'sum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;',
        'sum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;',
        'sum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;',
        'gl_FragColor = sum;',
        '}',
    ].join('\n'),
}

THREE.VerticalBlurShader = {
    uniforms: {
        tDiffuse: {
            type: 't',
            value: null,
        },
        v: {
            type: 'f',
            value: 1 / 512,
        },
    },
    vertexShader: ['varying vec2 vUv;', 'void main() {', 'vUv = uv;', 'gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );', '}'].join('\n'),
    fragmentShader: [
        'uniform sampler2D tDiffuse;',
        'uniform float v;',
        'varying vec2 vUv;',
        'void main() {',
        'vec4 sum = vec4( 0.0 );',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;',
        'sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;',
        'gl_FragColor = sum;',
        '}',
    ].join('\n'),
}

THREE.ShaderPass = function (material, t) {
    this.textureID = void 0 !== t ? t : 'tDiffuse'
    if (material instanceof THREE.ShaderMaterial) {
        this.uniforms = material.uniforms
        this.material = material
    } else if (material) {
        this.uniforms = THREE.UniformsUtils.clone(material.uniforms)
        this.material = new THREE.ShaderMaterial({
            defines: material.defines || {},
            uniforms: this.uniforms,
            vertexShader: material.vertexShader,
            fragmentShader: material.fragmentShader,
        })
    }

    this.renderToScreen = !1
    this.enabled = !0
    this.needsSwap = !0
    this.clear = !1
    this.camera = new THREE.OrthographicCamera(-1, 1, 1, -1, 0, 1)
    this.scene = new THREE.Scene()
    this.quad = new THREE.Mesh(new THREE.PlaneBufferGeometry(2, 2), null)
    this.scene.add(this.quad)
}

THREE.ShaderPass.prototype = {
    render:function(e, t, i, n) {
        this.uniforms[this.textureID] && (this.uniforms[this.textureID].value = i)
        this.quad.material = this.material
        if (this.renderToScreen) {
            e.render(this.scene, this.camera)
        } else {
            e.render(this.scene, this.camera, t, this.clear)
        }
        //this.renderToScreen ? e.render(this.scene, this.camera) : e.render(this.scene, this.camera, t, this.clear)
    },
}

THREE.ImageUtils.crossOrigin = 'anonymous'