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初始化闪光场景相关

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caizhitao
2020-01-13 14:32:24 +08:00
parent 9160ad38b7
commit c95329e7ab
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192
assets/effects/sprite-flash-light.effect Normal file
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
// 闪光（光速扫过）
// 原理（和点光的很类似）：
// 1. 画光束
// 2. 圆心中间高亮（透明度=1.0），边缘不亮（透明度=0.0）
// 3. 在原图像上方叠加光束
CCEffect %{
techniques:
- passes:
- vert: vs
frag: fs
blendState:
targets:
- blend: true
rasterizerState:
cullMode: none
properties:
texture: { value: white }
alphaThreshold: { value: 0.5 }
# 光束颜色
lightColor: {
value: [1.0, 1.0, 0.0, 1.0],
inspector: {
type: color,
tooltip: "光束颜色"
}
}
# 光束中心点坐标
lightCenterPoint: {
value: [0.2, 0.2],
inspector: {
tooltip: "光束中心点坐标"
}
}
# 光束倾斜角度
lightAngle: {
valu: 45.0,
inspctor: {
tooltip: "光束倾斜角度",
range: [0.0, 1.0],
}
}
# 光束宽度
lightWidth: {
value: 0.4,
inspector: {
tooltip: "光束宽度"
}
}
# 启用光束渐变
enablGradient: {
value: 0,
inspecator: {
tooltip: "是否启用光束渐变。0：不启用，非0：启用"
}
}
}%
CCProgram vs %{
precision highp float;
#include <cc-global>
#include <cc-local>
in vec3 a_position;
in vec4 a_color;
out vec4 v_color;
#if USE_TEXTURE
in vec2 a_uv0;
out vec2 v_uv0;
#endif
void main () {
vec4 pos = vec4(a_position, 1);
#if CC_USE_MODEL
pos = cc_matViewProj * cc_matWorld * pos;
#else
pos = cc_matViewProj * pos;
#endif
#if USE_TEXTURE
v_uv0 = a_uv0;
#endif
v_color = a_color;
gl_Position = pos;
}
}%
CCProgram fs %{
precision highp float;
#include <alpha-test>
in vec4 v_color;
#if USE_TEXTURE
in vec2 v_uv0;
uniform sampler2D texture;
#endif
#if ENABLE_DIFFUSION
uniform Light {
// 光束颜色
vec4 lightColor;
// 光束中心点坐标
vec2 lightCenterPoint;
// 光束倾斜角度
float lightAngle;
// 光束宽度
float lightWidth;
// 启用光束渐变
float enablGradient;
// 裁剪掉透明区域上的点光
// ps：编辑器还不支持 bool 类型的样子，因此没在 CCEffect 中定义
bool cropAlpha;
// 是否启用迷雾效果
// ps：编辑器还不支持 bool 类型的样子，因此没在 CCEffect 中定义
bool enableFog;
}
// /**
// * 添加光束颜色
// */
// vec4 addLightColor(vec4 textureColor, vec2 lightCenterPoint, float radius, vec4 lightColor) {
// // 计算当前 uv 到 光束 的距离
// float dis = distance(v_uv0, lightCenterPoint);
// float a = 1.0 ;
// // 裁剪掉透明区域上的点光
// if (cropAlpha) {
// a *= step(0.01, textureColor.a);
// }
// // 裁剪掉扩散范围外的uv（迷雾效果）
// if (!enableFog) {
// a *= step(dis, radius);
// }
// // 加入从中心往外渐变的效果
// a *= 1.0 - (dis / radius);
// // 加点料，让中心点更加亮
// // a = -1.0 * (a - 1.0) * (a - 1.0) + 1.0;
// // a = -1.0 * (a - 1.0) * (a - 1.0) * (a - 1.0) * (a - 1.0) + 1.0;
// // 计算出扩散范围内，不同 uv 对应的实际扩散颜色值
// vec4 diffusionColor = lightColor * a;
// // 混合颜色：在原始图像颜色上叠加扩散颜色
// return textureColor * textureColor.a + diffusionColor;
// }
#endif
void main () {
vec4 o = vec4(1, 1, 1, 1);
#if USE_TEXTURE
o *= texture(texture, v_uv0);
#if CC_USE_ALPHA_ATLAS_TEXTURE
o.a *= texture2D(texture, v_uv0 + vec2(0, 0.5)).r;
#endif
#endif
o *= v_color;
ALPHA_TEST(o);
gl_FragColor = o;
#if ENABLE_DIFFUSION
// gl_FragColor = addLightColor(gl_FragColor, lightCenterPoint, radius, lightColor);
#endif
}
}%

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assets/effects/sprite-flash-light.effect.meta Normal file
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{
"ver": "1.0.23",
"uuid": "e9682cd1-a19c-4fcb-ad8c-cf1783b805e6",
"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_DIFFUSION\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 \n #if ENABLE_DIFFUSION\n\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_DIFFUSION\nuniform Light {\n\n vec4 lightColor;\n\n vec2 lightCenterPoint;\n\n float lightAngle;\n\n float lightWidth;\n\n float enablGradient;\n\n bool cropAlpha;\n\n bool enableFog;\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 \n #if ENABLE_DIFFUSION\n\n #endif\n}\n"
}
}
],
"subMetas": {}
}