public void CancelDraw()
{
if (preview != null)
{
preview.Destroy();
preview = null;
}
}
void CreateNewCurve()
{
preview = new CurvePreview();
preview.Create(scene.NewSOMaterial, scene.RootGameObject);
smoother = new InPlaceIterativeCurveSmooth()
{
Curve = preview.Curve,
Alpha = 0.2f
};
}
/// <summary>
/// this is set as result action in draw-surface-loop tool, converts curve preview into a TrimLoopSO
/// </summary>
public static void EmitTrimCurveFromPreview(CurvePreview preview)
{
TrimLoopSO curveSO = TrimLoopSO.CreateFromPreview(preview, OrthogenMaterials.TrimLoopMaterial, OG.Scene);
AddNewTrimCurve(curveSO);
// next frame, transition, and select the curve
OG.Context.RegisterNextFrameAction(() => {
OG.Transition(OGWorkflow.DrawTrimlineExitT);
OG.Scene.Select(curveSO, true);
});
}
public void EndDraw()
{
if (preview.Curve.ArcLength > 2 * Width)
{
// store undo/redo record for new primitive
PolyCurveSO CurveSO = preview.BuildSO(scene.DefaultCurveSOMaterial, 1.0f);
scene.History.PushChange(
new AddSOChange()
{
scene = scene, so = CurveSO, bKeepWorldPosition = false
});
scene.History.PushInteractionCheckpoint();
}
preview.Destroy();
preview = null;
SavedSettings.Save("DrawCurveTool_width", width);
}
public static TrimLoopSO CreateFromPreview(CurvePreview preview, SOMaterial material, FScene scene)
{
TrimLoopSO curveSO = (TrimLoopSO)preview.BuildSO(
(curve) => {
TrimLoopSO so = new TrimLoopSO()
{
Curve = curve
};
so.Create(material);
return(so);
}, material, 1.0f);
scene.History.PushChange(
new AddSOChange()
{
scene = scene, so = curveSO, bKeepWorldPosition = false
});
scene.History.PushInteractionCheckpoint();
return(curveSO);
}
/// <summary>
/// this is set as DrawSurfaceCurveTool.EmitNewCurveF, which is called automatically when user
/// releases mouse, so we need to exit the tool here.
/// </summary>
public static void EmitRegionDeformationFromCurvePreview(CurvePreview preview)
{
if (preview.Closed == false)
{
preview.Closed = true;
DrawSurfaceCurveTool tool = OG.Context.ToolManager.ActiveRightTool as DrawSurfaceCurveTool;
if (tool != null)
{
tool.Closed = true;
}
}
EnclosedPatchSO curveSO = EnclosedPatchSO.CreateFromPreview(preview, OrthogenMaterials.OffsetRegionMaterial, OG.Scene);
AddNewRegionDeformation(curveSO, CurrentLegDeformType);
// [RMS] this is called at end
OG.Context.RegisterNextFrameAction(() => {
OG.Transition(OGWorkflow.DrawAreaExitT);
OG.Scene.Select(curveSO, true);
});
}
public void smooth_append(CurvePreview preview, Vector3f newPos, float fDistThresh)
{
// empty curve, always append
if (preview.VertexCount == 0)
{
preview.AppendVertex(newPos);
last_append = newPos;
appended_last_update = true;
have_temp_append = false;
return;
}
double d = (newPos - last_append).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 = newPos;
appended_last_update = true;
// do smoothing pass
smoother.End = preview.VertexCount - 1;
smoother.Start = MathUtil.Clamp(smoother.End - 5, 0, smoother.End);
smoother.UpdateDeformation(2);
}
}