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a bit fixed shadows

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This commit is contained in:
Pawel Kolodziejski 2008-07-05 10:30:24 +00:00
parent c14c5da075
commit 01d610f174
1 changed files with 5 additions and 4 deletions
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9
engine/backend/sdl/driver_tinygl.cpp
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@ -192,9 +192,10 @@ void tglShadowProjection(Vector3d *light, Vector3d *plane, Vector3d *normal) {
float mat[16];
float nx, ny, nz, lx, ly, lz, px, py, pz;
nx = normal->x();
ny = normal->y();
nz = -normal->z(); // for some unknown for me reason it need negate
// for some unknown for me reason normal need negation
nx = -normal->x();
ny = -normal->y();
nz = -normal->z();
lx = light->x();
ly = light->y();
lz = light->z();
@ -238,7 +239,7 @@ void DriverTinyGL::startActorDraw(Vector3d pos, float yaw, float pitch, float ro
tglSetShadowMaskBuf(_currentShadowArray->shadowMask);
SectorListType::iterator i = _currentShadowArray->planeList.begin();
Sector *shadowSector = *i;
tglShadowProjection(&_currentShadowArray->pos, &shadowSector->getVertices()[1], &shadowSector->getNormal());
tglShadowProjection(&_currentShadowArray->pos, &shadowSector->getVertices()[0], &shadowSector->getNormal());
}
tglTranslatef(pos.x(), pos.y(), pos.z());
tglRotatef(yaw, 0, 0, 1);