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Fix rotation axes for mirrored transforms

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Leonardo Zide committed 2026-09-13 21:36:54 -07:00
1 parent 6e30e75c8d
commit b67d3d1293
1 file changed
+23 -6
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common/lc_view.cpp
+23 -6
View File
@@ -3105,7 +3105,10 @@ void lcView::OnMouseMove()
// The rings rotate with the current gizmo frame, so derive the displayed
// axis from the current transform before determining its screen direction.
const lcVector3 DisplayAxis = lcNormalize(lcMul30(Axis, WorldMatrix));
lcVector3 DisplayAxis = lcNormalize(lcMul30(Axis, WorldMatrix));
if (WorldMatrix.Determinant() < 0.0f)
DisplayAxis = -DisplayAxis;
const lcVector3 CameraAxis = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
const float AxisDirection = lcDot(DisplayAxis, CameraAxis) < 0.0f ? -1.0f : 1.0f;
ActiveModel->UpdateRotateTool(Axis, AxisDirection * mCameraRotationAngle * LC_RTOD, mTrackButton != lcTrackButton::Left, true);
@@ -3124,7 +3127,14 @@ void lcView::OnMouseMove()
const lcMatrix44 CameraWorldMatrix = lcMatrix44AffineInverse(mCamera->mWorldView);
lcVector3 RotationAxis = lcNormalize(lcMul30(LocalAxis, CameraWorldMatrix));
if (ActiveModel != mModel)
RotationAxis = lcNormalize(lcMul30(RotationAxis, lcMatrix44AffineInverse(mActiveSubmodelTransform)));
{
const lcMatrix44 ActiveSubmodelInverse = lcMatrix44AffineInverse(mActiveSubmodelTransform);
RotationAxis = lcNormalize(lcMul30(RotationAxis, ActiveSubmodelInverse));
if (ActiveSubmodelInverse.Determinant() < 0.0f)
RotationAxis = -RotationAxis;
}
const lcMatrix33 IncrementalRotation = lcMatrix33FromAxisAngle(RotationAxis, Angle);
const bool Snapping = gMainWindow->GetAngleSnap() != 0.0f;
@@ -3187,10 +3197,17 @@ void lcView::OnMouseMove()
mCameraRotationAngle += Angle;
mCameraRotationLastMouseAngle = MouseAngle;
lcVector3 CameraAxis = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
if (ActiveModel != mModel)
CameraAxis = lcNormalize(lcMul30(CameraAxis, lcMatrix44AffineInverse(mActiveSubmodelTransform)));
ActiveModel->UpdateRotateTool(CameraAxis, mCameraRotationAngle * LC_RTOD, mTrackButton != lcTrackButton::Left, false);
lcVector3 CameraAxis = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
if (ActiveModel != mModel)
{
const lcMatrix44 ActiveSubmodelInverse = lcMatrix44AffineInverse(mActiveSubmodelTransform);
CameraAxis = lcNormalize(lcMul30(CameraAxis, ActiveSubmodelInverse));
if (ActiveSubmodelInverse.Determinant() < 0.0f)
CameraAxis = -CameraAxis;
}
ActiveModel->UpdateRotateTool(CameraAxis, mCameraRotationAngle * LC_RTOD, mTrackButton != lcTrackButton::Left, false);
}
break;