c4b58c9d39
Fixed a crash in convex hull Improving path editor widget Added x only pinch to radial pinch object
66 lines
No EOL
2.5 KiB
C#
66 lines
No EOL
2.5 KiB
C#
/*
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Copyright (c) 2018, Lars Brubaker, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System.Collections.Generic;
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using System.Linq;
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using MatterHackers.DataConverters3D;
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using MatterHackers.PolygonMesh;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl.DesignTools
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{
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public static class ObjectCircleExtensions
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{
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public static Circle GetSmallestEnclosingCircleAlongZ(this IObject3D object3D)
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{
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var visibleMeshes = object3D.VisibleMeshes().Select(vm => (source: vm, convexHull: vm.Mesh.GetConvexHull(false))).ToList();
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IEnumerable<Vector2> GetVertices()
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{
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foreach (var visibleMesh in visibleMeshes)
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{
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var matrix = visibleMesh.source.WorldMatrix(object3D);
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if (visibleMesh.convexHull == null)
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{
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continue;
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}
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foreach (var positon in visibleMesh.convexHull.Vertices)
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{
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var transformed = positon.Transform(matrix);
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yield return new Vector2(transformed.X, transformed.Y);
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}
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}
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}
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var circle = SmallestEnclosingCircle.MakeCircle(GetVertices());
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return circle;
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}
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}
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} |