加入老照片特效
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caizhitao
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1cce7ee874
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99
assets/effects/sprite-old-photo.effect
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assets/effects/sprite-old-photo.effect
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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// 老照片特效
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// 原理：
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// r = 0.393 * r + 0.769 * g + 0.189 * b;
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// g = 0.349 * r + 0.686 * g + 0.168 * b;
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// b = 0.272 * r + 0.534 * g + 0.131 * b;
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CCEffect %{
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techniques:
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- passes:
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- vert: vs
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frag: fs
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blendState:
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targets:
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- blend: true
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rasterizerState:
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cullMode: none
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properties:
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texture: { value: white }
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alphaThreshold: { value: 0.5 }
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}%
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CCProgram vs %{
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precision highp float;
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#include <cc-global>
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#include <cc-local>
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in vec3 a_position;
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in vec4 a_color;
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out vec4 v_color;
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#if USE_TEXTURE
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in vec2 a_uv0;
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out vec2 v_uv0;
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#endif
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void main () {
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vec4 pos = vec4(a_position, 1);
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#if CC_USE_MODEL
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pos = cc_matViewProj * cc_matWorld * pos;
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#else
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pos = cc_matViewProj * pos;
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#endif
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#if USE_TEXTURE
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v_uv0 = a_uv0;
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#endif
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v_color = a_color;
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gl_Position = pos;
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}
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}%
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CCProgram fs %{
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precision highp float;
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#include <alpha-test>
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in vec4 v_color;
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#if USE_TEXTURE
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in vec2 v_uv0;
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uniform sampler2D texture;
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#endif
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#if USE_OLD_PHOTO
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vec4 getOldPhotoColor(vec4 color) {
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float r = 0.393 * color.r + 0.769 * color.g + 0.189 * color.b;
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float g = 0.349 * color.r + 0.686 * color.g + 0.168 * color.b;
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float b = 0.272 * color.r + 0.534 * color.g + 0.131 * color.b;
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return vec4(r, g, b, color.a);
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}
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#endif
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void main () {
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vec4 o = vec4(1, 1, 1, 1);
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#if USE_TEXTURE
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o *= texture(texture, v_uv0);
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#if CC_USE_ALPHA_ATLAS_TEXTURE
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o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;
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#endif
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#endif
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o *= v_color;
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ALPHA_TEST(o);
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#if USE_OLD_PHOTO
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o = getOldPhotoColor(o);
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#endif
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gl_FragColor = o;
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}
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}%
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17
assets/effects/sprite-old-photo.effect.meta
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assets/effects/sprite-old-photo.effect.meta
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{
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"ver": "1.0.23",
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"uuid": "211eddf3-c53d-46e3-8c09-c1bf38e644e2",
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"compiledShaders": [
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{
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"glsl1": {
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"vert": "\nprecision highp float;\nuniform mat4 cc_matViewProj;\nuniform mat4 cc_matWorld;\n\nattribute vec3 a_position;\nattribute vec4 a_color;\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nattribute vec2 a_uv0;\nvarying vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n",
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"frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform float alphaThreshold;\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nvarying vec4 v_color;\n\n#if USE_TEXTURE\nvarying vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if USE_OLD_PHOTO\nvec4 getOldPhotoColor(vec4 color) {\n float r = 0.393 * color.r + 0.769 * color.g + 0.189 * color.b; \n float g = 0.349 * color.r + 0.686 * color.g + 0.168 * color.b; \n float b = 0.272 * color.r + 0.534 * color.g + 0.131 * color.b;\n return vec4(r, g, b, color.a);\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture2D(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n #if USE_OLD_PHOTO\n o = getOldPhotoColor(o);\n #endif\n gl_FragColor = o;\n}\n"
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},
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"glsl3": {
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"vert": "\nprecision highp float;\nuniform CCGlobal {\n vec4 cc_time;\n\n vec4 cc_screenSize;\n\n vec4 cc_screenScale;\n\n vec4 cc_nativeSize;\n\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n\n vec4 cc_exposure;\n\n vec4 cc_mainLitDir;\n\n vec4 cc_mainLitColor;\n\n vec4 cc_ambientSky;\n vec4 cc_ambientGround;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\n\nin vec3 a_position;\nin vec4 a_color;\nout vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 a_uv0;\nout vec2 v_uv0;\n#endif\n\nvoid main () {\n vec4 pos = vec4(a_position, 1);\n\n #if CC_USE_MODEL\n pos = cc_matViewProj * cc_matWorld * pos;\n #else\n pos = cc_matViewProj * pos;\n #endif\n\n #if USE_TEXTURE\n v_uv0 = a_uv0;\n #endif\n\n v_color = a_color;\n\n gl_Position = pos;\n}\n",
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"frag": "\nprecision highp float;\n\n#if USE_ALPHA_TEST\n \n uniform ALPHA_TEST {\n float alphaThreshold;\n }\n#endif\n\nvoid ALPHA_TEST (in vec4 color) {\n #if USE_ALPHA_TEST\n if (color.a < alphaThreshold) discard;\n #endif\n}\n\nvoid ALPHA_TEST (in float alpha) {\n #if USE_ALPHA_TEST\n if (alpha < alphaThreshold) discard;\n #endif\n}\n\nin vec4 v_color;\n\n#if USE_TEXTURE\nin vec2 v_uv0;\nuniform sampler2D texture;\n#endif\n\n#if USE_OLD_PHOTO\nvec4 getOldPhotoColor(vec4 color) {\n float r = 0.393 * color.r + 0.769 * color.g + 0.189 * color.b; \n float g = 0.349 * color.r + 0.686 * color.g + 0.168 * color.b; \n float b = 0.272 * color.r + 0.534 * color.g + 0.131 * color.b;\n return vec4(r, g, b, color.a);\n}\n#endif\n\nvoid main () {\n vec4 o = vec4(1, 1, 1, 1);\n\n #if USE_TEXTURE\n o *= texture(texture, v_uv0);\n #if CC_USE_ALPHA_ATLAS_TEXTURE\n o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;\n #endif\n #endif\n\n o *= v_color;\n\n ALPHA_TEST(o);\n\n #if USE_OLD_PHOTO\n o = getOldPhotoColor(o);\n #endif\n gl_FragColor = o;\n}\n"
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}
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}
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],
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"subMetas": {}
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}
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14
assets/materials/sprite-old-photo.mtl
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assets/materials/sprite-old-photo.mtl
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{
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"__type__": "cc.Material",
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"_name": "",
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"_objFlags": 0,
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"_native": "",
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"_effectAsset": {
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"__uuid__": "211eddf3-c53d-46e3-8c09-c1bf38e644e2"
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},
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"_defines": {
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"USE_TEXTURE": true,
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"USE_OLD_PHOTO": true
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},
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"_props": {}
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}
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6
assets/materials/sprite-old-photo.mtl.meta
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assets/materials/sprite-old-photo.mtl.meta
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{
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"ver": "1.0.2",
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"uuid": "268b1aff-299a-4735-9f5c-5aa8d4d51788",
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"dataAsSubAsset": null,
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"subMetas": {}
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}
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