public override void OnButtonDownEvent(InputEvent evt)
{
if (evt.IsRButtonDown())
{
this.Exit(1);
return;
}
this.RemoveAllTempNodes();
Renderer rv = GetRenderer();
PickHelper pickHelper = new PickHelper();
pickHelper.Initialize(rv);
if (!pickHelper.Pick(evt.GetMousePosition()))
{
return;
}
TopoShape shape = pickHelper.GetGeometry();
GeomSurface surface = new GeomSurface();
if (!surface.Initialize(shape))
{
return;
}
IntersectionLineSurface intersector = new IntersectionLineSurface();
intersector.SetSurface(shape);
if (!intersector.Perform(rv.ComputeScreenRay(evt.GetMousePosition())))
{
return;
}
int nCount = intersector.GetPointCount();
if (nCount < 1)
{
return;
}
double u = intersector.GetParameterU(1);
double v = intersector.GetParameterV(1);
Vector3 pt = surface.Value(u, v);
Vector3 normal = surface.GetNormal(u, v);
LineNode lineNode = new LineNode();
lineNode.Set(pt, pt + normal);
this.ShowTempNode(lineNode);
rv.RequestDraw(1);
}
public override void OnButtonDownEvent(InputEvent evt)
{
if (evt.IsRButtonDown())
{
this.Exit(1);
return;
}
this.RemoveAllTempNodes();
Renderer rv = GetRenderer();
PickHelper pickHelper = new PickHelper();
pickHelper.Initialize(rv);
if (!pickHelper.Pick(evt.GetMousePosition()))
return;
TopoShape shape = pickHelper.GetGeometry();
GeomSurface surface = new GeomSurface();
if (!surface.Initialize(shape))
return;
IntersectionLineSurface intersector = new IntersectionLineSurface();
intersector.SetSurface(shape);
if (!intersector.Perform(rv.ComputeScreenRay(evt.GetMousePosition())))
{
return;
}
int nCount = intersector.GetPointCount();
if(nCount < 1)
return;
float u = intersector.GetParameterU(1);
float v = intersector.GetParameterV(1);
Vector3 pt = surface.Value(u, v);
Vector3 normal = surface.GetNormal(u, v);
LineNode lineNode = new LineNode();
lineNode.Set(pt, pt + normal);
this.ShowTempNode(lineNode);
rv.RequestDraw(1);
}