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Fix coordinate system change

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Old code was inverting the X axis, new code inverts the Z axis.
This commit is contained in:
Josiah VanderZee
2022-11-14 15:47:30 -06:00
committed by JosiahWI
parent 56c4a5a945
commit 373a33a246
2 changed files with 18 additions and 18 deletions
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8
source/Irrlicht/CGLTFMeshFileLoader.cpp
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@ -93,12 +93,12 @@ static core::vector2df readVec2DF(const BufferOffset& readFrom)
static core::vector3df readVec3DF(const BufferOffset& readFrom,
const float scale = 1.0f)
{
// glTF coordinates are right-handed, minetest ones are left-handed
// 1 glTF coordinate is equivalent to 10 Irrlicht coordinates
// glTF's coordinate system is right-handed, Irrlicht's is left-handed
// glTF's +Z axis corresponds to Irrlicht's -Z axis
return core::vector3df(
-scale * readPrimitive<float>(readFrom),
scale * readPrimitive<float>(readFrom),
scale * readPrimitive<float>(BufferOffset(readFrom, sizeof(float))),
scale * readPrimitive<float>(BufferOffset(readFrom, 2 * sizeof(float))));
-scale * readPrimitive<float>(BufferOffset(readFrom, 2 * sizeof(float))));
}
static u16* readIndices(const BufferOffset& readFrom, const std::size_t count)