Helix Toolkit 3D for .NET

Release 2.6.1

[2.6.1] - 2019-02-16


  1. Flat Normal Shading Mode for Phong/PBR/Diffuse Material. Use EnableFlatShading = true to enable this mode.(WPF.SharpDX/UWP/Core)
  2. Add LimitPFS option to prevent FPS over shoot on mouse move (WPF)
  3. ManipulationBinding allows to map ManipulationGesture for Wpf.SharpDX (WPF.SharpDX)

Improvement and Changes

  1. Add LimitFPS option in HelixToolkit.WPF Viewport3D. Prevents mouse movement causes FPS overshooting. (WPF)
  2. Add SnapMouseDownPoint for CameraController and Viewport #1082. (WPF)
  3. Prevent zoom lock if look direction is too small (WPF.SharpDX/UWP/Core)


  1. Fix Camera Rotation with ZoomAroundMouseDownpoint=true (SharpDX) #1068 (WPF.SharpDX/UWP/Core)
  2. Fix exception in Closest3DPointHitTester #1085 (WPF)
  3. Fix panning sometimes not working issue.(WPF.SharpDX/UWP/Core)
  4. ViewportExtensions.Project does not get correct projection #1090. (WPF.SharpDX/UWP/Core)
  5. Fix cube map auto mipmap generation #1087. (WPF.SharpDX/UWP/Core)
  6. Fix Transform3DHelper.CombineTransform creates too nested Transform3DGroup #1089 (WPF)
  7. Fix local transform not getting calculated for UIElement3D in Visual3DHelper.GetTransform(). This solve mouse rotate getting reversed issue in Rotate Manipulator. (WPF)
  8. Fix Bound one dimension is zero on single point or single axis align line and causes hit test failed.(WPF.SharpDX/UWP/Core)
  9. Fix rounding issue in TextGroupVisual3D CreateTextMaterial #1075 (WPF)