83 lines
No EOL
3 KiB
C#
83 lines
No EOL
3 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.ComponentModel;
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using System.Linq;
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using System.Threading;
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using MatterHackers.Agg.Font;
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using MatterHackers.DataConverters3D;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl.DesignTools
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{
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public class PinchTest : Object3D, IRebuildable
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{
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public override string ActiveEditor => "PublicPropertyEditor";
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private PolygonMesh.Mesh inputMesh;
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private PolygonMesh.Mesh transformedMesh;
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public PinchTest()
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{
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var letterPrinter = new TypeFacePrinter("MatterHackers");
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inputMesh = VertexSourceToMesh.Extrude(letterPrinter, 5);
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transformedMesh = PolygonMesh.Mesh.Copy(inputMesh, CancellationToken.None);
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Rebuild();
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}
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[DisplayName("Back Ratio")]
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public double PinchRatio { get; set; } = 1;
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public void Rebuild()
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{
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var aabb = inputMesh.GetAxisAlignedBoundingBox();
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for (int i = 0; i < transformedMesh.Vertices.Count; i++)
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{
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var pos = inputMesh.Vertices[i].Position;
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var ratioToApply = PinchRatio;
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var distFromCenter = pos.X - aabb.Center.X;
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var distanceToPinch = distFromCenter * (1 - PinchRatio);
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var delta = (aabb.Center.X + distFromCenter * ratioToApply) - pos.X;
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// find out how much to pinch based on y position
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var amountOfRatio = (pos.Y - aabb.minXYZ.Y) / aabb.YSize;
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transformedMesh.Vertices[i].Position = new Vector3(pos.X + delta * amountOfRatio, pos.Y, pos.Z);
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}
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transformedMesh.MarkAsChanged();
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transformedMesh.CalculateNormals();
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this.Mesh = transformedMesh;
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}
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}
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} |