Test_Project_Cocos/CocosCreator-Shader-Effect-Demo
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完善灰化效果

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caizhitao 2020-01-03 14:20:31 +08:00
parent 8d7b8013c4
commit ed1da3ae1c
4 changed files with 22 additions and 34 deletions
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44
assets/effects/sprite-gray.effect
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@ -1,9 +1,9 @@
// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
// 老照片特效
// 灰化特效
// 原理：
// r = 0.393 * r + 0.769 * g + 0.189 * b;
// g = 0.349 * r + 0.686 * g + 0.168 * b;
// b = 0.272 * r + 0.534 * g + 0.131 * b;
// r = 0.2126 * r + 0.7152 * g + 0.0722 * b
// g = 0.2126 * r + 0.7152 * g + 0.0722 * b
// b = 0.2126 * r + 0.7152 * g + 0.0722 * b
CCEffect %{
techniques:
@ -18,11 +18,11 @@ CCEffect %{
properties:
texture: { value: white }
alphaThreshold: { value: 0.5 }
# 老化程度
oldLevel: {
# 灰化程度
grayLevel: {
value: 1.0,
inspector: {
tooltip: "老化程度",
tooltip: "灰化程度",
range: [0.0, 1.0]
}
}
@ -76,24 +76,10 @@ CCProgram fs %{
uniform sampler2D texture;
#endif
#if USE_OLD_PHOTO
uniform OldPhoto {
// 老化程度
float oldLevel;
}
/**
* 获取老化颜色
*
* @param color 原始颜色
*
* @return 老化后的颜色
*/
vec4 getOldPhotoColor(vec4 color) {
float r = 0.393 * color.r + 0.769 * color.g + 0.189 * color.b;
float g = 0.349 * color.r + 0.686 * color.g + 0.168 * color.b;
float b = 0.272 * color.r + 0.534 * color.g + 0.131 * color.b;
return vec4(r, g, b, color.a);
#if USE_GRAY
uniform GrayPhoto {
// 灰化程度
float grayLevel;
}
#endif
@ -111,11 +97,13 @@ CCProgram fs %{
ALPHA_TEST(o);
#if USE_OLD_PHOTO
#if USE_GRAY
vec4 srcColor = o;
vec4 oldColor = getOldPhotoColor(srcColor);
o = srcColor + (oldColor - srcColor) * oldLevel;
float gray = 0.2126 * o.r + 0.7152 * o.g + 0.0722 * o.b;
vec4 grayColor = vec4(gray, gray, gray, o.a);
o = srcColor + (grayColor - srcColor) * grayLevel;
#endif
gl_FragColor = o;
}

4
assets/effects/sprite-gray.effect.meta
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@ -5,11 +5,11 @@
{
"glsl1": {
"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",
"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\nuniform float oldLevel;\n/**\n * 获取老化颜色\n * \n * @param color 原始颜色 \n *\n * @return 老化后的颜色\n */\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 vec4 srcColor = o;\n vec4 oldColor = getOldPhotoColor(srcColor);\n\n o = srcColor + (oldColor - srcColor) * oldLevel;\n #endif\n gl_FragColor = o;\n}\n"
"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_GRAY\nuniform float grayLevel;\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_GRAY\n vec4 srcColor = o;\n\n float gray = 0.2126 * o.r + 0.7152 * o.g + 0.0722 * o.b;\n vec4 grayColor = vec4(gray, gray, gray, o.a);\n\n o = srcColor + (grayColor - srcColor) * grayLevel;\n #endif\n gl_FragColor = o;\n}\n"
},
"glsl3": {
"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",
"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\nuniform OldPhoto {\n\n float oldLevel;\n}\n\n/**\n * 获取老化颜色\n * \n * @param color 原始颜色 \n *\n * @return 老化后的颜色\n */\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 vec4 srcColor = o;\n vec4 oldColor = getOldPhotoColor(srcColor);\n\n o = srcColor + (oldColor - srcColor) * oldLevel;\n #endif\n gl_FragColor = o;\n}\n"
"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_GRAY\nuniform GrayPhoto {\n\n float grayLevel;\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_GRAY\n vec4 srcColor = o;\n\n float gray = 0.2126 * o.r + 0.7152 * o.g + 0.0722 * o.b;\n vec4 grayColor = vec4(gray, gray, gray, o.a);\n\n o = srcColor + (grayColor - srcColor) * grayLevel;\n #endif\n gl_FragColor = o;\n}\n"
}
}
],

2
assets/materials/sprite-gray.mtl
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@ -8,7 +8,7 @@
},
"_defines": {
"USE_TEXTURE": true,
"USE_OLD_PHOTO": true
"USE_GRAY": true
},
"_props": {}
}

6
assets/scripts/GrayEffectScene.ts
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@ -31,7 +31,7 @@ export default class GrayEffectScene extends cc.Component {
// 更新材质
this._updateRenderComponentMaterial({
oldLevel: this._grayLevelSlider.progress
grayLevel: this._grayLevelSlider.progress
});
}
@ -46,12 +46,12 @@ export default class GrayEffectScene extends cc.Component {
/**
* 灰化程度 [0.0, 1.0] ，1.0 表示完全灰化
*/
oldLevel: number;
grayLevel: number;
}) {
this._examplesParentNode.children.forEach(childNode => {
childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
let material: cc.Material = renderComponent.getMaterial(0);
material.setProperty("oldLevel", param.oldLevel);
material.setProperty("grayLevel", param.grayLevel);
renderComponent.setMaterial(0, material);
});
});