public override async void OnMouseMove(Mouse3DEventArgs mouseEvent3D, bool mouseIsOver)
{
var selectedItem = RootSelection;
ActiveSelectedItem = selectedItem;
if (MouseIsOver || MouseDownOnControl)
{
diameterValueDisplayInfo.Visible = true;
}
else if (!hadClickOnControl || scaleController.HasChange)
{
diameterValueDisplayInfo.Visible = false;
}
if (MouseDownOnControl && hitPlane != null)
{
var info = hitPlane.GetClosestIntersection(mouseEvent3D.MouseRay);
if (info != null &&
selectedItem != null)
{
var delta = info.HitPosition - initialHitPosition;
var lockedBottomCenter = ObjectSpace.GetCenterPosition(selectedItem, placement);
var(hit, otherSide) = GetHitIndices(selectedItem);
var grabPositionEdge = ObjectSpace.GetEdgePosition(selectedItem, otherSide);
var stretchDirection = (ObjectSpace.GetEdgePosition(selectedItem, hit) - grabPositionEdge).GetNormal();
var deltaAlongStretch = stretchDirection.Dot(delta);
// scale it
var newSize = scaleController.InitialState.Diameters[diameterIndex];
newSize += deltaAlongStretch * 2;
newSize = Math.Max(Math.Max(newSize, .001), Object3DControlContext.SnapGridDistance);
if (Object3DControlContext.SnapGridDistance > 0)
{
// snap this position to the grid
double snapGridDistance = Object3DControlContext.SnapGridDistance;
// snap this position to the grid
newSize = ((int)((newSize / snapGridDistance) + .5)) * snapGridDistance;
}
scaleController.ScaleDiameter(newSize, diameterIndex);
await selectedItem.Rebuild();
// and keep the locked edge in place
Vector3 newBottomCenter = ObjectSpace.GetCenterPosition(selectedItem, placement);
selectedItem.Matrix *= Matrix4X4.CreateTranslation(lockedBottomCenter - newBottomCenter);
Invalidate();
}
}
base.OnMouseMove(mouseEvent3D, mouseIsOver);
}
public override void Draw(DrawGlContentEventArgs e)
{
bool shouldDrawScaleControls = controlVisible == null ? true : controlVisible();
if (Object3DControlContext.SelectedObject3DControl != null &&
Object3DControlContext.SelectedObject3DControl as ScaleDiameterControl == null)
{
shouldDrawScaleControls = false;
}
var selectedItem = RootSelection;
if (selectedItem != null)
{
// Ensures that functions in this scope run against the original instance reference rather than the
// current value, thus avoiding null reference errors that would occur otherwise
if (shouldDrawScaleControls)
{
// don't draw if any other control is dragging
var color = theme.PrimaryAccentColor.WithAlpha(e.Alpha0to255);
if (MouseIsOver || MouseDownOnControl)
{
GLHelper.Render(grabControlMesh, color, TotalTransform, RenderTypes.Shaded);
}
else
{
color = theme.TextColor;
GLHelper.Render(grabControlMesh, color.WithAlpha(e.Alpha0to255), TotalTransform, RenderTypes.Shaded);
}
Vector3 newBottomCenter = ObjectSpace.GetCenterPosition(selectedItem, placement);
var rotation = Matrix4X4.CreateRotation(new Quaternion(selectedItem.Matrix));
var translation = Matrix4X4.CreateTranslation(newBottomCenter);
Object3DControlContext.World.RenderRing(rotation * translation, Vector3.Zero, getDiameters[diameterIndex](), 60, color.WithAlpha(e.Alpha0to255), 2, 0, e.ZBuffered);
}
if (hitPlane != null)
{
//Object3DControlContext.World.RenderPlane(hitPlane.Plane, Color.Red, true, 50, 3);
//Object3DControlContext.World.RenderPlane(initialHitPosition, hitPlane.Plane.Normal, Color.Red, true, 50, 3);
}
if (shouldDrawScaleControls &&
(MouseIsOver || MouseDownOnControl))
{
DrawMeasureLines(e);
}
}
base.Draw(e);
}
public ScaleDiameterControl(IObject3DControlContext context,
Func <double> getHeight,
Action <double> setHeight,
List <Func <double> > getDiameters,
List <Action <double> > setDiameters,
int diameterIndex,
ObjectSpace.Placement placement = ObjectSpace.Placement.Bottom,
Func <bool> controlVisible = null,
double angleOffset = 0)
: base(context)
{
this.getHeight = getHeight;
this.setHeight = setHeight;
this.getDiameters = getDiameters;
this.setDiameters = setDiameters;
this.controlVisible = controlVisible;
this.placement = placement;
this.diameterIndex = diameterIndex;
this.angleOffset = angleOffset;
theme = MatterControl.AppContext.Theme;
scaleController = new ScaleController(Object3DControlContext, null, null, null, null, getHeight, setHeight, getDiameters, setDiameters);
diameterValueDisplayInfo = new InlineEditControl()
{
ForceHide = ForceHideScale,
GetDisplayString = (value) => "{0:0.0}".FormatWith(value),
};
diameterValueDisplayInfo.EditComplete += async(s, e) =>
{
var newDiameter = diameterValueDisplayInfo.Value != 0 ? diameterValueDisplayInfo.Value : getDiameters[diameterIndex]();
if (newDiameter == scaleController.FinalState.Diameters[diameterIndex])
{
return;
}
Vector3 lockedEdge = ObjectSpace.GetCenterPosition(ActiveSelectedItem, placement);
scaleController.ScaleDiameter(newDiameter, diameterIndex);
await ActiveSelectedItem.Rebuild();
// and keep the locked edge in place
Vector3 newLockedEdge = ObjectSpace.GetCenterPosition(ActiveSelectedItem, placement);
ActiveSelectedItem.Translate(lockedEdge - newLockedEdge);
scaleController.EditComplete();
scaleController = new ScaleController(Object3DControlContext, null, null, null, null, getHeight, setHeight, getDiameters, setDiameters);
};
diameterValueDisplayInfo.VisibleChanged += (s, e) =>
{
if (!diameterValueDisplayInfo.Visible)
{
hadClickOnControl = false;
}
};
Object3DControlContext.GuiSurface.AddChild(diameterValueDisplayInfo);
DrawOnTop = true;
grabControlMesh = SphereObject3D.CreateSphere(grabControlSize, 15, 10);
CollisionVolume = grabControlMesh.CreateBVHData();
Object3DControlContext.GuiSurface.BeforeDraw += Object3DControl_BeforeDraw;
}