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Fixed normalMap() method so that it doesn't produce inverted bump maps.

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This commit is contained in:
Chris Laurel 2001-09-07 21:59:13 +00:00
parent 85bfc2d23c
commit e6142070de
1 changed files with 2 additions and 4 deletions
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6
src/texture.cpp
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@ -316,10 +316,8 @@ void CTexture::normalMap(float scale, bool wrap)
float rmag = 1.0f / mag;
int n = (i * width + j) * 4;
// npixels[n] = (unsigned char) (128 + 127 * dy * rmag);
// npixels[n + 1] = (unsigned char) (128 - 127 * dx * rmag);
npixels[n] = (unsigned char) (128 - 127 * dx * rmag);
npixels[n + 1] = (unsigned char) (128 + 127 * dy * rmag);
npixels[n] = (unsigned char) (128 + 127 * dy * rmag);
npixels[n + 1] = (unsigned char) (128 - 127 * dx * rmag);
npixels[n + 2] = (unsigned char) (128 + 127 * rmag);
npixels[n + 3] = 255;
}