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Better ortho zoom extents math.

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This commit is contained in:
Leonardo Zide 2020-12-31 14:46:31 -08:00
parent 69cfc71f3b
commit 24f3bbb45a
1 changed files with 3 additions and 3 deletions
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6
common/camera.cpp
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@ -809,15 +809,15 @@ void lcCamera::ZoomExtents(float AspectRatio, const lcVector3& Center, const std
MaxY = lcMax(MaxY, Point.y);
}
float Width = MaxX - MinX;
float Height = MaxY - MinY;
float Width = qMax(fabsf(MaxX), fabsf(MinX)) * 2;
float Height = qMax(fabsf(MaxY), fabsf(MinY)) * 2;
if (Width > Height * AspectRatio)
Height = Width / AspectRatio;
float f = Height / (m_fovy * (LC_PI / 180.0f));
lcVector3 FrontVector(mTargetPosition - mPosition);
lcVector3 FrontVector(Center - mPosition);
mPosition = Center - lcNormalize(FrontVector) * f;
mTargetPosition = Center;
}