public static SceneObject BuildPlaneIntersectionCurveSO(SOFactory factory, FScene scene, TypedAttribSet attributes) { PlaneIntersectionCurveSO so = new PlaneIntersectionCurveSO(); so.Create(scene.DefaultCurveSOMaterial); factory.RestorePolyCurveSOType(scene, attributes, so); return(so); }
public static PlaneIntersectionCurveSO CreateFromPlane(DMeshSO TargetSO, Frame3f PlaneS, SOMaterial material, FScene scene, double fNormalOffset = 0.0f) { Frame3f PlaneO = SceneTransforms.SceneToObject(TargetSO, PlaneS); PlaneIntersectionCurves curves = new PlaneIntersectionCurves(TargetSO.Mesh, PlaneO, 1) { NormalOffset = fNormalOffset }; curves.Compute(); if (curves.Loops.Length != 1) { throw new Exception("PlaneIntersectionSO.CreateFromPlane: got more than one cut loop?"); } DCurve3 loop = curves.Loops[0]; // map loop back into plane frame for (int i = 0; i < loop.VertexCount; ++i) { loop[i] = PlaneO.ToFrameP(loop[i]); } PlaneIntersectionCurveSO curveSO = new PlaneIntersectionCurveSO() { Curve = loop }; curveSO.Create(material); Frame3f curveFrame = SceneTransforms.ObjectToScene(TargetSO, PlaneO); curveSO.SetLocalFrame(curveFrame, CoordSpace.ObjectCoords); scene.History.PushChange( new AddSOChange() { scene = scene, so = curveSO, bKeepWorldPosition = false }); scene.History.PushInteractionCheckpoint(); return(curveSO); }