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2022-09-19 18:05:01 +08:00
commit 57051fc44b
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precision mediump float;
varying vec4 ambient;
varying vec4 diffuse;
varying vec4 specular;
varying float vFogFactor; //雾因子
void main()
{
vec4 objectColor=vec4(0.95,0.95,0.95,1.0);//物体颜色
vec4 fogColor = vec4(0.97,0.76,0.03,1.0);//雾的颜色
if(vFogFactor != 0.0){//如果雾因子为0不必计算光照
objectColor = objectColor*ambient+objectColor*specular+objectColor*diffuse;//计算光照之后物体颜色
gl_FragColor = objectColor*vFogFactor + fogColor*(1.0-vFogFactor);//物体颜色和雾颜色插值计算最终颜色
}else{
gl_FragColor=fogColor;
}
}