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赣州市洪水风险预警系统三维版本
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水文水环境分析-洪水淹没页面--实现判断当前点是否在所绘多边形内部(当点在线上时存在误判)
guoshilong
2023-02-02
c03856d80d71e92499bf0b084c4e862eb4d48a3d
[hsyjv2.git]
/
libs
/
Source
/
Shaders
/
PostProcessStages
/
Brightness.glsl
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uniform sampler2D colorTexture;
uniform float brightness;
varying vec2 v_textureCoordinates;
void main(void)
{
vec3 rgb = texture2D(colorTexture, v_textureCoordinates).rgb;
vec3 target = vec3(0.0);
gl_FragColor = vec4(mix(target, rgb, brightness), 1.0);
}