Test_Project_Cocos/CocosCreator-Shader-Effect-Demo
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caizhitao 2020-01-21 16:15:35 +08:00
parent 75d4d024bf
commit f9198a3b14
3 changed files with 22 additions and 21 deletions
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22
assets/effects/sprite-gaussian-blur.effect
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@ -22,10 +22,13 @@ CCEffect %{
# } # }
# } # }
# # 纹理尺寸 # 纹理尺寸
# textureSize: { textureSize: {
# value: [] value: [100.0, 100.0],
# } inspector: {
tooltip: "纹理尺寸px（宽 x 高）"
}
}
}% }%
@ -83,6 +86,8 @@ CCProgram fs %{
// 定义标准方差值 // 定义标准方差值
#define stDev 0.84089642 #define stDev 0.84089642
// #define stDev 1.5
// #define stDev 5.0
// #define stDev 10.0 // #define stDev 10.0
// 定义π // 定义π
@ -90,8 +95,8 @@ CCProgram fs %{
// 接收外部变量 // 接收外部变量
uniform GaussianBlur { uniform GaussianBlur {
// // 纹理尺寸（宽 x 高）（px） // 纹理尺寸（宽 x 高）（px）
// vec2 size; vec2 textureSize;
// // 标准方差值 // // 标准方差值
// float stDev; // float stDev;
@ -146,13 +151,16 @@ CCProgram fs %{
// 加权平均值 // 加权平均值
vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0); vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);
float divider = 0.01; float divider = 0.01;
float onePxWidth = 1.0 / textureSize.x;
float onePxHeight = 1.0 / textureSize.y;
for(float x = -halfSize; x<= halfSize; x++) { for(float x = -halfSize; x<= halfSize; x++) {
for (float y = -halfSize; y<= halfSize; y++) { for (float y = -halfSize; y<= halfSize; y++) {
// 求出对应坐标的真正权重（对应权重矩阵） // 求出对应坐标的真正权重（对应权重矩阵）
float weight = getAverageWeight(x, y, totalWeight); float weight = getAverageWeight(x, y, totalWeight);
// 求出对应坐标像素颜色值的加权值 // 求出对应坐标像素颜色值的加权值
finalColor += texture(texture, v_uv0 + vec2(divider * x, divider * y)) * weight; // finalColor += texture(texture, v_uv0 + vec2(divider * x, divider * y)) * weight;
finalColor += texture(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;
} }
} }
gl_FragColor = finalColor; gl_FragColor = finalColor;

4
assets/effects/sprite-gaussian-blur.effect.meta
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@ -5,11 +5,11 @@
{ {
"glsl1": { "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", "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 ENABLE_GAUSSIAN_BLUR\n\n/**\n * 获取权重(对应二维高斯函数公式)\n * \n * @param x \n * @param y\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(0.84089642, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(0.84089642, 2.0)));\n}\n\n/**\n * 获取权重的加权平均值\n */\nfloat getAverageWeight(float x, float y, float totalWeight) {\n return getWeight(x, y) / totalWeight;\n}\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 gl_FragColor = o;\n #if ENABLE_GAUSSIAN_BLUR\n\n const float size = ceil(0.84089642 * 6.0);\n const float halfSize = floor(size / 2.0);\n float totalWeight = 0.0; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n totalWeight += getWeight(x, y);\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n float divider = 0.01; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n\n float weight = getAverageWeight(x, y, totalWeight);\n\n finalColor += texture2D(texture, v_uv0 + vec2(divider * x, divider * y)) * weight;\n }\n }\n gl_FragColor = finalColor;\n #endif\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 ENABLE_GAUSSIAN_BLUR\n\nuniform vec2 textureSize;\n/**\n * 获取权重(对应二维高斯函数公式)\n * \n * @param x \n * @param y\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(0.84089642, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(0.84089642, 2.0)));\n}\n\n/**\n * 获取权重的加权平均值\n */\nfloat getAverageWeight(float x, float y, float totalWeight) {\n return getWeight(x, y) / totalWeight;\n}\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 gl_FragColor = o;\n #if ENABLE_GAUSSIAN_BLUR\n\n const float size = ceil(0.84089642 * 6.0);\n const float halfSize = floor(size / 2.0);\n float totalWeight = 0.0; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n totalWeight += getWeight(x, y);\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n float divider = 0.01; \n float onePxWidth = 1.0 / textureSize.x;\n float onePxHeight = 1.0 / textureSize.y;\n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n\n float weight = getAverageWeight(x, y, totalWeight);\n\n finalColor += texture2D(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;\n }\n }\n gl_FragColor = finalColor;\n #endif\n}\n"
}, },
"glsl3": { "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", "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 ENABLE_GAUSSIAN_BLUR\n\nuniform GaussianBlur {\n\n}\n\n/**\n * 获取权重(对应二维高斯函数公式)\n * \n * @param x \n * @param y\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(0.84089642, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(0.84089642, 2.0)));\n}\n\n/**\n * 获取权重的加权平均值\n */\nfloat getAverageWeight(float x, float y, float totalWeight) {\n return getWeight(x, y) / totalWeight;\n}\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 gl_FragColor = o;\n #if ENABLE_GAUSSIAN_BLUR\n\n const float size = ceil(0.84089642 * 6.0);\n const float halfSize = floor(size / 2.0);\n float totalWeight = 0.0; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n totalWeight += getWeight(x, y);\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n float divider = 0.01; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n\n float weight = getAverageWeight(x, y, totalWeight);\n\n finalColor += texture(texture, v_uv0 + vec2(divider * x, divider * y)) * weight;\n }\n }\n gl_FragColor = finalColor;\n #endif\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 ENABLE_GAUSSIAN_BLUR\n\nuniform GaussianBlur {\n\n vec2 textureSize;\n\n}\n\n/**\n * 获取权重(对应二维高斯函数公式)\n * \n * @param x \n * @param y\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(0.84089642, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(0.84089642, 2.0)));\n}\n\n/**\n * 获取权重的加权平均值\n */\nfloat getAverageWeight(float x, float y, float totalWeight) {\n return getWeight(x, y) / totalWeight;\n}\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 gl_FragColor = o;\n #if ENABLE_GAUSSIAN_BLUR\n\n const float size = ceil(0.84089642 * 6.0);\n const float halfSize = floor(size / 2.0);\n float totalWeight = 0.0; \n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n totalWeight += getWeight(x, y);\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n float divider = 0.01; \n float onePxWidth = 1.0 / textureSize.x;\n float onePxHeight = 1.0 / textureSize.y;\n for(float x = -halfSize; x<= halfSize; x++) {\n for (float y = -halfSize; y<= halfSize; y++) {\n\n float weight = getAverageWeight(x, y, totalWeight);\n\n finalColor += texture(texture, v_uv0 + vec2(onePxWidth * x, onePxHeight * y)) * weight;\n }\n }\n gl_FragColor = finalColor;\n #endif\n}\n"
} }
} }
], ],

13
assets/scripts/GaussianBlurEffectScene.ts
View File

@ -32,9 +32,7 @@ export default class GaussianBlurEffectScene extends cc.Component {
this._grayLevelSliderLabel.string = `${this._grayLevelSlider.progress.toFixed(2)}`; this._grayLevelSliderLabel.string = `${this._grayLevelSlider.progress.toFixed(2)}`;
// 更新材质 // 更新材质
this._updateRenderComponentMaterial({ this._updateRenderComponentMaterial({});
grayLevel: this._grayLevelSlider.progress
});
} }
/** /**
@ -44,16 +42,11 @@ export default class GaussianBlurEffectScene extends cc.Component {
* 2. 给材质的 unitform 变量赋值 * 2. 给材质的 unitform 变量赋值
* 3. 重新将材质赋值回去 * 3. 重新将材质赋值回去
*/ */
private _updateRenderComponentMaterial(param: { private _updateRenderComponentMaterial(param: {}) {
/**
* 灰化程度 [0.0, 1.0] ，1.0 表示完全灰化
*/
grayLevel: number;
}) {
this._examplesParentNode.children.forEach(childNode => { this._examplesParentNode.children.forEach(childNode => {
childNode.getComponents(cc.RenderComponent).forEach(renderComponent => { childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
let material: cc.Material = renderComponent.getMaterial(0); let material: cc.Material = renderComponent.getMaterial(0);
material.setProperty("grayLevel", param.grayLevel); material.setProperty("textureSize", cc.v2(childNode.width, childNode.height));
renderComponent.setMaterial(0, material); renderComponent.setMaterial(0, material);
}); });
}); });