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Update guiMaterialPreview.cpp

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light movement now makes sense
This commit is contained in:
marauder2k7 2024-12-05 00:34:17 +00:00
parent a92b9d0e2d
commit 7810ee4f51
1 changed files with 14 additions and 14 deletions
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28
Engine/source/T3D/guiMaterialPreview.cpp
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@ -115,20 +115,20 @@ void GuiMaterialPreview::setLightTranslate(S32 modifier, F32 xstep, F32 ystep)
F32 _lighttransstep = (modifier & SI_SHIFT ? mLightTransStep : (mLightTransStep*mLightTranMult));
Point3F relativeLightDirection = GuiMaterialPreview::mFakeSun->getDirection();
// May be able to get rid of this. For now, it helps to fix the position of the light if i gets messed up.
if (modifier & SI_PRIMARY_CTRL)
{
relativeLightDirection.x += ( xstep * _lighttransstep * -1 );//need to invert this for some reason. Otherwise, it's backwards.
relativeLightDirection.y += ( ystep * _lighttransstep );
GuiMaterialPreview::mFakeSun->setDirection(relativeLightDirection);
}
// Default action taken by mouse wheel clicking.
else
{
relativeLightDirection.x += ( xstep * _lighttransstep * -1 ); //need to invert this for some reason. Otherwise, it's backwards.
relativeLightDirection.z += ( ystep * _lighttransstep );
GuiMaterialPreview::mFakeSun->setDirection(relativeLightDirection);
}
F32 azimuth = mAtan2(relativeLightDirection.y, relativeLightDirection.x);
F32 elevation = mAsin(relativeLightDirection.z);
// Modify azimuth and elevation based on input
azimuth += xstep * _lighttransstep;
elevation = mClampF(elevation + ystep * _lighttransstep, -M_2PI_F, M_2PI_F);
// Convert back to Cartesian coordinates
relativeLightDirection.x = mCos(elevation) * mCos(azimuth);
relativeLightDirection.y = mCos(elevation) * mSin(azimuth);
relativeLightDirection.z = mSin(elevation);
GuiMaterialPreview::mFakeSun->setDirection(relativeLightDirection);
}
// This is for panning the viewport camera.