Test_Project_Cocos/CocosCreator-Shader-Effect-Demo
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bugfix

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This commit is contained in:
caizhitao 2020-01-16 23:33:46 +08:00
parent f58540ead2
commit f1256c5185
3 changed files with 8 additions and 6 deletions
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2
assets/effects/sprite-round-corner-crop-v2.effect
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@ -154,7 +154,7 @@ CCProgram fs %{
float my = step(0.5 - ellipseYRadius, abs(uv.y));
// 判断点(rx, ry)是否在椭圆外部（应用椭圆公式）
float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(max(xRadius, yRadius), 2.0) + pow(ry, 2.0) / pow(min(xRadius, yRadius), 2.0));
float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));
// mx * my = 0 时，代表非椭圆角区域，alpha 值为1，代表完全采用原始纹理的透明度
// mx * my = 1 时，代表椭圆角所在矩形区域

4
assets/effects/sprite-round-corner-crop-v2.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 ENABLE_ROUNDCORNER\nuniform float xRadius;\nuniform float yRadius;\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 ENABLE_ROUNDCORNER\n\n float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(max(xRadius, yRadius), 2.0) + pow(ry, 2.0) / pow(min(xRadius, yRadius), 2.0));\n\n float alpha = 1.0 - mx * my * isOutOfEllipse;\n o = vec4(o.rgb, o.a * alpha);\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 ENABLE_ROUNDCORNER\nuniform float xRadius;\nuniform float yRadius;\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 ENABLE_ROUNDCORNER\n\n float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));\n\n float alpha = 1.0 - mx * my * isOutOfEllipse;\n o = vec4(o.rgb, o.a * alpha);\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 ENABLE_ROUNDCORNER\nuniform RoundCorner {\n\n float xRadius;\n\n float yRadius;\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 ENABLE_ROUNDCORNER\n\n float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(max(xRadius, yRadius), 2.0) + pow(ry, 2.0) / pow(min(xRadius, yRadius), 2.0));\n\n float alpha = 1.0 - mx * my * isOutOfEllipse;\n o = vec4(o.rgb, o.a * alpha);\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 ENABLE_ROUNDCORNER\nuniform RoundCorner {\n\n float xRadius;\n\n float yRadius;\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 ENABLE_ROUNDCORNER\n\n float ellipseXRadius = clamp(0.0, 0.5, xRadius);\n float ellipseYRadius = clamp(0.0, 0.5, yRadius);\n\n vec2 uv = v_uv0.xy - vec2(0.5, 0.5);\n\n float rx = abs(uv.x) - (0.5 - ellipseXRadius);\n float ry = abs(uv.y) - (0.5 - ellipseYRadius);\n\n float mx = step(0.5 - ellipseXRadius, abs(uv.x));\n float my = step(0.5 - ellipseYRadius, abs(uv.y));\n\n float isOutOfEllipse = step(1.0, pow(rx, 2.0) / pow(xRadius, 2.0) + pow(ry, 2.0) / pow(yRadius, 2.0));\n\n float alpha = 1.0 - mx * my * isOutOfEllipse;\n o = vec4(o.rgb, o.a * alpha);\n #endif\n gl_FragColor = o;\n}\n"
}
}
],

6
assets/scripts/RoundCornerCropV2EffectScene.ts
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@ -56,13 +56,15 @@ export default class RoundCornerCropV2EffectScene extends cc.Component {
this._examplesParentNode.children.forEach(childNode => {
childNode.getComponents(cc.RenderComponent).forEach(renderComponent => {
// 计算半径px分别相对于纹理宽高的比例（也叫归一化）
let xRadiux = param.radiusInPx / renderComponent.node.width;
let xRadiux = param.radiusInPx / childNode.width;
// 约束范围在区间 [0.0, 0.5]
xRadiux = xRadiux >= 0.5 ? 0.5 : xRadiux;
let yRadius = param.radiusInPx / renderComponent.node.height;
let yRadius = param.radiusInPx / childNode.height;
yRadius = yRadius >= 0.5 ? 0.5 : yRadius;
if (childNode.name === "Rectangle1") cc.log(`${childNode.name} : (${xRadiux}, ${yRadius})`);
// 更新材质
let material: cc.Material = renderComponent.getMaterial(0);