| # | Line 953 | Line 953 | int CalcSkyParamFromIllum() | |
|---|---|---|
| 953 | /* Convert illuminance to irradiance */ | |
| 954 | index = GetCategoryIndex(); | |
| 955 | diff_irrad = diff_illum / CalcDiffuseIllumRatio(index); | |
| 956 | < | dir_irrad = dir_illum / CalcDirectIllumRatio(index); |
| 956 | > | dir_irrad = CalcDirectIllumRatio(index); |
| 957 | > | if (dir_irrad > 0.1) |
| 958 | > | dir_irrad = dir_illum / dir_irrad; |
| 959 | ||
| 960 | /* Calculate sky brightness and clearness */ | |
| 961 | sky_brightness = CalcSkyBrightness(); | |
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