整理高斯模糊代码

This commit is contained in:
caizhitao 2020-02-07 09:30:12 +08:00
parent 02d94a943d
commit b5390ea84f
9 changed files with 54 additions and 47 deletions

View File

@ -1,5 +1,10 @@
// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. // Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
// 高斯模糊 // 高斯模糊
//
// 参考资料(必读)
// * http://www.ruanyifeng.com/blog/2012/11/gaussian_blur.html
// * https://zh.wikipedia.org/wiki/%E9%AB%98%E6%96%AF%E6%A8%A1%E7%B3%8A
CCEffect %{ CCEffect %{
techniques: techniques:
@ -84,9 +89,9 @@ CCProgram fs %{
// 定义无理数 // 定义无理数
#define e 2.718281828459045 #define e 2.718281828459045
// 定义标准方差值 // 定义标准方差值(方差值越大,越模糊,但是需要计算的高斯矩阵范围会变大,从而带来巨大的计算量)
#define stDev 0.84089642 // #define stDev 0.84089642
// #define stDev 1.5 #define stDev 1.5
// #define stDev 5.0 // #define stDev 5.0
// #define stDev 10.0 // #define stDev 10.0
@ -103,19 +108,12 @@ CCProgram fs %{
} }
/** /**
* 获取权重(对应二维高斯函数公式) * 获取权重(对应二维高斯函数公式,见 https://zh.wikipedia.org/wiki/%E9%AB%98%E6%96%AF%E6%A8%A1%E7%B3%8A )
*/ */
float getWeight(float x, float y) { float getWeight(float x, float y) {
return (1.0 / (2.0 * pi * pow(stDev, 2.0))) * pow(1.0 / e, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(stDev, 2.0))); return (1.0 / (2.0 * pi * pow(stDev, 2.0))) * pow(1.0 / e, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(stDev, 2.0)));
} }
/**
* 获取权重的加权平均值
*/
float getAverageWeight(float x, float y, float totalWeight) {
return getWeight(x, y) / totalWeight;
}
#endif #endif
void main () { void main () {
@ -135,6 +133,7 @@ CCProgram fs %{
gl_FragColor = o; gl_FragColor = o;
#if ENABLE_GAUSSIAN_BLUR #if ENABLE_GAUSSIAN_BLUR
// 根据高斯分布也叫正态分布在3个标准差范围内的分布比例占到99%的权重,因此我们只需要计算矩阵范围 [6 * stDev + 1, 6 * stDev +1] 上的权重
const float size = floor(stDev * 6.0 + 1.0); const float size = floor(stDev * 6.0 + 1.0);
const float halfSize = floor(size / 2.0); const float halfSize = floor(size / 2.0);
@ -148,7 +147,7 @@ CCProgram fs %{
// } // }
// } // }
// v2因为分布是对称的所以只计算原点、X轴正方向、Y轴正方向、第一象限的权重即可相比起v1版本减少很多循环计算 // v2因为高斯分布是对称的所以只计算原点、X轴正方向 * 2 、Y轴正方向 * 2 、第一象限的权重 * 4即可求出所有权重之和相比起v1版本减少很多循环计算
// 原点 // 原点
float totalWeight = getWeight(0.0, 0.0); float totalWeight = getWeight(0.0, 0.0);
@ -168,15 +167,23 @@ CCProgram fs %{
} }
} }
// 步骤二:加权平均值 // TODO:
//
// 因为权重矩阵是一次性计算即可不断应用因此可以将权重矩阵的计算放到CPU计算并传入到Shader直接渲染因此有以下优化方案
//
// v3原始权重矩阵在CPU计算并传入到Shader
// v4加权平均后的权重矩阵在CPU计算并传入Shader
// 步骤二:采样周边像素并应用加权平均值,得出最终像素值
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 onePxWidth = 1.0 / textureSize.x;
float onePxHeight = 1.0 / textureSize.y; 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 = getWeight(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;

View File

@ -0,0 +1,17 @@
{
"ver": "1.0.23",
"uuid": "41f4d474-d707-45bb-af93-637573f92d54",
"compiledShaders": [
{
"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 ENABLE_GAUSSIAN_BLUR\n\nuniform vec2 textureSize;\n/**\n * 获取权重(对应二维高斯函数公式,见 https:\n\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(1.5, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(1.5, 2.0)));\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 = floor(1.5 * 6.0 + 1.0);\n const float halfSize = floor(size / 2.0);\n\n float totalWeight = getWeight(0.0, 0.0);\n\n for(float x = 1.0; x <= halfSize; x++) {\n totalWeight += getWeight(x, 0.0) * 2.0;\n }\n\n for(float y = 1.0; y <= halfSize; y++) {\n totalWeight += getWeight(0.0, y) * 2.0;\n }\n\n for(float x = 1.0; x <= halfSize; x++) {\n for (float y = 1.0; y<= halfSize; y++) {\n totalWeight += getWeight(x, y) * 4.0;\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n\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 = getWeight(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": {
"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 vec2 textureSize;\n\n}\n\n/**\n * 获取权重(对应二维高斯函数公式,见 https:\n\n */\nfloat getWeight(float x, float y) {\n return (1.0 / (2.0 * 3.141592653589793 * pow(1.5, 2.0))) * pow(1.0 / 2.718281828459045, (pow(x, 2.0) + pow(y, 2.0)) / (2.0 * pow(1.5, 2.0)));\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 = floor(1.5 * 6.0 + 1.0);\n const float halfSize = floor(size / 2.0);\n\n float totalWeight = getWeight(0.0, 0.0);\n\n for(float x = 1.0; x <= halfSize; x++) {\n totalWeight += getWeight(x, 0.0) * 2.0;\n }\n\n for(float y = 1.0; y <= halfSize; y++) {\n totalWeight += getWeight(0.0, y) * 2.0;\n }\n\n for(float x = 1.0; x <= halfSize; x++) {\n for (float y = 1.0; y<= halfSize; y++) {\n totalWeight += getWeight(x, y) * 4.0;\n }\n }\n\n vec4 finalColor = vec4(0.0, 0.0, 0.0, 0.0);\n\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 = getWeight(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"
}
}
],
"subMetas": {}
}

View File

@ -1,17 +0,0 @@
{
"ver": "1.0.23",
"uuid": "41f4d474-d707-45bb-af93-637573f92d54",
"compiledShaders": [
{
"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 ENABLE_GAUSSIAN_BLUR\n\nuniform vec2 textureSize;\n/**\n * 获取权重(对应二维高斯函数公式)\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 = floor(0.84089642 * 6.0 + 1.0);\n const float halfSize = floor(size / 2.0);\n\n float totalWeight = getWeight(0.0, 0.0);\n\n for(float x = 1.0; x <= halfSize; x++) {\n totalWeight += getWeight(x, 0.0) * 2.0;\n }\n\n for(float y = 1.0; y <= halfSize; y++) {\n totalWeight += getWeight(0.0, y) * 2.0;\n }\n\n for(float x = 1.0; x <= halfSize; x++) {\n for (float y = 1.0; y<= halfSize; y++) {\n totalWeight += getWeight(x, y) * 4.0;\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": {
"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 vec2 textureSize;\n\n}\n\n/**\n * 获取权重(对应二维高斯函数公式)\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 = floor(0.84089642 * 6.0 + 1.0);\n const float halfSize = floor(size / 2.0);\n\n float totalWeight = getWeight(0.0, 0.0);\n\n for(float x = 1.0; x <= halfSize; x++) {\n totalWeight += getWeight(x, 0.0) * 2.0;\n }\n\n for(float y = 1.0; y <= halfSize; y++) {\n totalWeight += getWeight(0.0, y) * 2.0;\n }\n\n for(float x = 1.0; x <= halfSize; x++) {\n for (float y = 1.0; y<= halfSize; y++) {\n totalWeight += getWeight(x, y) * 4.0;\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"
}
}
],
"subMetas": {}
}

View File

@ -171,7 +171,7 @@
"array": [ "array": [
0, 0,
0, 0,
351.60631393648214, 491.9024293495612,
0, 0,
0, 0,
0, 0,
@ -459,7 +459,7 @@
"_contentSize": { "_contentSize": {
"__type__": "cc.Size", "__type__": "cc.Size",
"width": 576, "width": 576,
"height": 60 "height": -36
}, },
"_anchorPoint": { "_anchorPoint": {
"__type__": "cc.Vec2", "__type__": "cc.Vec2",
@ -497,7 +497,7 @@
}, },
{ {
"__type__": "cc.Node", "__type__": "cc.Node",
"_name": "GrayLevelSlider", "_name": "BlurSlider",
"_objFlags": 0, "_objFlags": 0,
"_parent": { "_parent": {
"__id__": 9 "__id__": 9
@ -513,7 +513,7 @@
"__id__": 23 "__id__": 23
} }
], ],
"_active": true, "_active": false,
"_components": [ "_components": [
{ {
"__id__": 26 "__id__": 26
@ -646,8 +646,8 @@
} }
], ],
"_useOriginalSize": false, "_useOriginalSize": false,
"_string": "灰化程度:", "_string": "模糊程度:",
"_N$string": "灰化程度:", "_N$string": "模糊程度:",
"_fontSize": 40, "_fontSize": 40,
"_lineHeight": 40, "_lineHeight": 40,
"_enableWrapText": true, "_enableWrapText": true,
@ -1294,7 +1294,7 @@
"_layoutSize": { "_layoutSize": {
"__type__": "cc.Size", "__type__": "cc.Size",
"width": 576, "width": 576,
"height": 60 "height": -36
}, },
"_resize": 1, "_resize": 1,
"_N$layoutType": 2, "_N$layoutType": 2,

View File

@ -1,27 +1,27 @@
const { ccclass, property } = cc._decorator; const { ccclass, property } = cc._decorator;
@ccclass @ccclass
export default class GaussianBlurEffectScene extends cc.Component { export default class GaussianBlurV1EffectScene extends cc.Component {
private _grayLevelSlider: cc.Slider = null; private _blurSlider: cc.Slider = null;
private _grayLevelSliderLabel: cc.Label = null; private _blurSliderLabel: cc.Label = null;
private _examplesParentNode: cc.Node = null; private _examplesParentNode: cc.Node = null;
onLoad() { onLoad() {
cc.dynamicAtlasManager.enabled = false; cc.dynamicAtlasManager.enabled = false;
this._grayLevelSlider = cc.find("Canvas/Content/Controller/GrayLevelSlider/Slider").getComponent(cc.Slider); this._blurSlider = cc.find("Canvas/Content/Controller/BlurSlider/Slider").getComponent(cc.Slider);
this._grayLevelSliderLabel = cc.find("Canvas/Content/Controller/GrayLevelSlider/ValueLabel").getComponent(cc.Label); this._blurSliderLabel = cc.find("Canvas/Content/Controller/BlurSlider/ValueLabel").getComponent(cc.Label);
this._examplesParentNode = cc.find("Canvas/Content/Examples"); this._examplesParentNode = cc.find("Canvas/Content/Examples");
} }
onEnable() { onEnable() {
this._grayLevelSlider.node.on("slide", this._onSliderChanged, this); this._blurSlider.node.on("slide", this._onSliderChanged, this);
} }
onDisable() { onDisable() {
this._grayLevelSlider.node.off("slide", this._onSliderChanged, this); this._blurSlider.node.off("slide", this._onSliderChanged, this);
} }
start() { start() {
@ -29,7 +29,7 @@ export default class GaussianBlurEffectScene extends cc.Component {
} }
private _onSliderChanged() { private _onSliderChanged() {
this._grayLevelSliderLabel.string = `${this._grayLevelSlider.progress.toFixed(2)}`; this._blurSliderLabel.string = `${this._blurSlider.progress.toFixed(2)}`;
// 更新材质 // 更新材质
this._updateRenderComponentMaterial({}); this._updateRenderComponentMaterial({});