21 lines
802 B
HLSL
21 lines
802 B
HLSL
|
|
void CameraFadeFarAlpha_float(
|
|
// Base inputs
|
|
float3 positionWS,
|
|
float CameraInversFarFadeRange,
|
|
float CameraFarFadeDist,
|
|
float AlphaIN,
|
|
float AlphaTh,
|
|
out real Alpha
|
|
|
|
) {
|
|
#if !defined(SHADERPASS_SHADOWCASTER)
|
|
//Alpha = AlphaIN * saturate( (positionSP.w - CameraFadeDist) * CameraInversFadeRange - Dither32(positionSP.xy / positionSP.w * _ScreenParams.xy ) );
|
|
Alpha = AlphaIN;
|
|
#else
|
|
float distanceToCam = distance(positionWS, GetCameraPositionWS() );
|
|
//float a = saturate((distanceToCam - CameraFadeDist) * CameraInversFadeRange) * saturate((CameraFarFadeDist - distanceToCam)* CameraInversFarFadeRange);
|
|
float a = saturate((CameraFarFadeDist - distanceToCam)* CameraInversFarFadeRange);
|
|
Alpha = AlphaIN * saturate(a+AlphaTh);
|
|
#endif
|
|
} |