public void UpdateBrushPreview(Frame3f vFrameS, int nHitElementID, MeshEditorOpType.ElementType elemType)
{
Frame3f vFrameL = SceneTransforms.SceneToObject(Target, vFrameS);
update_preview(vFrameL, nHitElementID, elemType);
lastBrushPosS = vFrameS;
}
public void UpdateStroke(Frame3f vFrameS, int nHitElementID, MeshEditorOpType.ElementType elemType)
{
if (in_stroke == false)
{
throw new Exception("MeshEditorTool.UpdateBrushStroke: not in brush stroke!");
}
Frame3f vFrameL = SceneTransforms.SceneToObject(Target, vFrameS);
update_stroke(vFrameL, nHitElementID, elemType);
lastBrushPosS = vFrameS;
}
bool update_last_hit(MeshEditorTool tool, Ray3f rayS)
{
int hit_id = -1; Frame3f hitFrameS = Frame3f.Identity;
MeshEditorOpType.ElementType hitType = MeshEditorOpType.ElementType.Triangle;
if (tool.FindHitElement(rayS, ref hitFrameS, ref hit_id, ref hitType))
{
lastHitFrameS = hitFrameS;
lastHitElementID = hit_id;
lastHitElementType = hitType;
return(true);
}
return(false);
}
public void BeginStroke(Frame3f vFrameS, int nHitElementID, MeshEditorOpType.ElementType elemType)
{
if (in_stroke)
{
throw new Exception("MeshEditorTool.BeginBrushStroke: already in brush stroke!");
}
Frame3f vFrameL = SceneTransforms.SceneToObject(Target, vFrameS);
begin_stroke(vFrameL, nHitElementID, elemType);
in_stroke = true;
lastBrushPosS = vFrameS;
}
public bool FindHitElement(Ray3f sceneRay, ref Frame3f hitFrameS, ref int hitID, ref MeshEditorOpType.ElementType elemType)
{
if (activeOp.MeshElement == MeshEditorOpType.ElementType.Triangle)
{
elemType = MeshEditorOpType.ElementType.Triangle;
return(FindHitTriangle(sceneRay, activeOp.SnapToElement, ref hitFrameS, ref hitID));
}
else if (activeOp.MeshElement == MeshEditorOpType.ElementType.Edge)
{
elemType = MeshEditorOpType.ElementType.Edge;
return(FindHitEdge(sceneRay, activeOp.BoundaryFilter, activeOp.SnapToElement, ref hitFrameS, ref hitID));
}
else if (activeOp.MeshElement == MeshEditorOpType.ElementType.Vertex)
{
elemType = MeshEditorOpType.ElementType.Vertex;
return(FindHitVertex(sceneRay, activeOp.BoundaryFilter, ref hitFrameS, ref hitID));
}
else
{
return(false);
}
}
protected virtual void update_preview(Frame3f vLocalF, int nHitElementID, MeshEditorOpType.ElementType elemType)
{
activeOp.UpdatePreview(vLocalF, nHitElementID, elemType);
}
protected virtual void begin_stroke(Frame3f vStartFrameL, int nHitElementID, MeshEditorOpType.ElementType elemType)
{
activeOp.Editor = this;
activeOp.BeginStroke(vStartFrameL, nHitElementID, elemType);
}