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Keep the rotation as a proportion of the width

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This commit is contained in:
Lars Brubaker 2021-05-26 12:13:53 -07:00
parent ad023ca2f6
commit b8f7103813
1 changed files with 2 additions and 0 deletions
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2
MatterControlLib/PartPreviewWindow/View3D/TrackballTumbleWidgetExtended.cs
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@ -71,6 +71,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
if (TurntableEnabled) if (TurntableEnabled)
{ {
var delta = mousePosition - rotationStartPosition; var delta = mousePosition - rotationStartPosition;
// scale it to device units
delta *= 300 / this.Width;
var zRotation = Matrix4X4.CreateFromAxisAngle(Vector3.UnitZ.Transform(world.RotationMatrix), delta.X * MathHelper.Tau / 360.0); var zRotation = Matrix4X4.CreateFromAxisAngle(Vector3.UnitZ.Transform(world.RotationMatrix), delta.X * MathHelper.Tau / 360.0);
var screenXRotation = Matrix4X4.CreateFromAxisAngle(Vector3.UnitX, -delta.Y * MathHelper.Tau / 360.0); var screenXRotation = Matrix4X4.CreateFromAxisAngle(Vector3.UnitX, -delta.Y * MathHelper.Tau / 360.0);
activeRotationQuaternion = new Quaternion(zRotation * screenXRotation); activeRotationQuaternion = new Quaternion(zRotation * screenXRotation);