public void EndDraw()
{
if (preview.Curve.ArcLength > 2 * SamplingRate)
{
if (EmitNewCurveF == null)
{
// store undo/redo record for new primitive
SOMaterial mat = (CurveMaterialF == null) ? scene.DefaultCurveSOMaterial : CurveMaterialF();
PolyCurveSO CurveSO = preview.BuildSO(mat, 1.0f);
scene.History.PushChange(
new AddSOChange()
{
scene = scene, so = CurveSO, bKeepWorldPosition = false
});
// link ?
if (AttachCurveToSurface)
{
scene.History.PushChange(
new SOAddFrameLinkChangeOp(CurveSO, Target as TransformableSO));
}
scene.History.PushInteractionCheckpoint();
}
else
{
EmitNewCurveF(preview);
}
}
preview.Destroy();
preview = null;
//SavedSettings.Save("DrawSurfaceCurveTool_width", width);
}
public void CancelDraw()
{
if (preview != null)
{
preview.Destroy();
preview = null;
}
}
void CreateNewCurve()
{
if (AttachCurveToSurface)
{
preview = new LocalCurvePreview(Target as TransformableSO);
}
else
{
preview = new CurvePreview();
}
preview.Closed = this.Closed;
SOMaterial useMat = (CurveMaterialF == null) ? scene.DefaultCurveSOMaterial : CurveMaterialF();
preview.Create(useMat, scene.RootGameObject,
(overlay) ? FPlatform.WidgetOverlayLayer : -1);
}
public virtual void EndDraw()
{
in_draw = false;
if (preview == null)
{
return;
}
if (preview.Curve.VertexCount > 2 && preview.Curve.ArcLength > 2 * SamplingRateScene)
{
// update Closed state because in some cases we change this during drawing
// (ie when drawing multi-point curve, but closing at end)
preview.Closed = this.Closed;
if (EmitNewCurveF == null)
{
// store undo/redo record for new primitive
SOMaterial mat = (CurveMaterialF == null) ? Scene.DefaultCurveSOMaterial : CurveMaterialF();
PolyCurveSO CurveSO = preview.BuildSO(mat, 1.0f);
Scene.History.PushChange(
new AddSOChange()
{
scene = Scene, so = CurveSO, bKeepWorldPosition = false
});
// link ?
if (AttachCurveToSurface)
{
Scene.History.PushChange(
new SOAddFrameLinkChangeOp(CurveSO, Target));
}
Scene.History.PushInteractionCheckpoint();
}
else
{
EmitNewCurveF(preview);
}
}
preview.Destroy();
preview = null;
//SavedSettings.Save("DrawSurfaceCurveTool_width", width);
}
void CreateNewCurve()
{
if (AttachCurveToTarget && Target != null)
{
preview = new LocalCurvePreview(Target);
}
else
{
preview = new CurvePreview();
}
preview.Closed = this.Closed;
SOMaterial useMat = (CurveMaterialF == null) ? Scene.DefaultCurveSOMaterial : CurveMaterialF();
preview.Create(useMat, Scene.RootGameObject,
(overlay) ? FPlatform.WidgetOverlayLayer : -1);
if (CurveProcessorF != null)
{
preview.CurveProcessorF = CurveProcessorF;
}
}
public void smooth_append(CurvePreview preview, Vector3f newPos, float fDistThresh)
{
// empty curve, always append
if (preview.VertexCount == 0)
{
preview.AppendVertex(newPos);
last_append_idx = preview.VertexCount - 1;
appended_last_update = true;
have_temp_append = false;
return;
}
double d = (newPos - preview[last_append_idx]).Length;
if (d < fDistThresh)
{
// have not gone far enough for a real new vertex!
Vector3f usePos = new Vector3f(newPos);
bool bValid = false;
// do we have enough vertices to do a good job?
if (preview.VertexCount > 3)
{
int nLast = (have_temp_append) ? preview.VertexCount - 2 : preview.VertexCount - 1;
Vector3d tan = preview.Tangent(nLast);
double fDot = tan.Dot((usePos - preview[nLast]).Normalized);
if (fDot > 0.9f) // cos(25) ~= 0.9f
// new vtx is aligned with tangent of last "real" vertex
{
bValid = true;
}
else
{
// not aligned, try projection onto tangent
Line3d l = new Line3d(preview[nLast], tan);
double t = l.Project(newPos);
if (t > 0)
{
// projection of new vtx is 'ahead' so we can use it
usePos = (Vector3f)l.PointAt(t);
bValid = true;
}
}
}
if (bValid)
{
if (appended_last_update)
{
preview.AppendVertex(usePos);
have_temp_append = true;
}
else if (have_temp_append)
{
preview[preview.VertexCount - 1] = usePos;
}
}
appended_last_update = false;
}
else
{
// ok we drew far enough, add this position
if (have_temp_append)
{
// re-use temp vertex
preview[preview.VertexCount - 1] = newPos;
have_temp_append = false;
}
else
{
preview.AppendVertex(newPos);
}
last_append_idx = preview.VertexCount - 1;
appended_last_update = true;
// do smoothing pass
// [TODO] cannot do this until we can reproject onto surface!!
//smoother.End = curve.VertexCount - 1;
//smoother.Start = MathUtil.Clamp(smoother.End - 5, 0, smoother.End);
//smoother.UpdateDeformation(2);
}
}
