Working on new supports

refactoring tour classes

MatterControlLib/DesignTools/Primitives/SupportControls.cs

@@ -0,0 +1,150 @@
+/*
+Copyright (c) 2018, Lars Brubaker, John Lewin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those
+of the authors and should not be interpreted as representing official policies,
+either expressed or implied, of the FreeBSD Project.
+*/
+
+using MatterHackers.Agg;
+using MatterHackers.Agg.UI;
+using MatterHackers.DataConverters3D;
+using MatterHackers.Localizations;
+using MatterHackers.PolygonMesh;
+using MatterHackers.VectorMath;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System;
+using System.ComponentModel;
+using System.Linq;
+
+namespace MatterHackers.MatterControl.DesignTools
+{
+	[ShowUpdateButton]
+	public class SupportControls : Object3D
+	{
+		public SupportControls()
+		{
+			Name = "Support Controls".Localize();
+			Color = Color.Yellow;
+		}
+
+		public SupportControls(double width, double depth, double height)
+			: this()
+		{
+			Rebuild(null);
+		}
+
+		//[JsonConverter(typeof(StringEnumConverter))]
+		//public enum SupportTypes { Solid, Pillars, Tree }
+
+		//[Description("Sets the type of support will be added to the scene and output by the slicing engine.")]
+		//public SupportTypes SupportType { get; set; } = SupportTypes.Solid;
+
+		[Description("The angle of the faces that need to be supported.")]
+		public double MaxOverHangAngle { get; set; } = 45;
+
+		// Clear All Supports // Remove all the supports that are currently in the scene
+		// Group All Supports // Make supports into a sigle grouped object
+		// Generate Supports // anywhere we need support and there is not currently support there, add support
+
+		public static SupportControls Create()
+		{
+			var item = new SupportControls();
+
+			item.Mesh = PlatonicSolids.CreateCube(20, 20, 20);
+
+			PlatingHelper.PlaceMeshAtHeight(item, 0);
+
+			return item;
+		}
+
+		public override void OnInvalidate(InvalidateArgs invalidateType)
+		{
+			if (invalidateType.InvalidateType == InvalidateType.Properties
+				&& invalidateType.Source == this)
+			{
+				Rebuild(null);
+			}
+			else
+			{
+				base.OnInvalidate(invalidateType);
+			}
+		}
+
+		private void Rebuild(UndoBuffer undoBuffer)
+		{
+			var parent = this.Parent;
+
+			// Find all the other objects of our parent
+			var peers = parent.Children.Where(i => i != this).ToArray();
+
+			// eventually we will not remove any support that is already in the scene
+			// but for now, remove all the stuff that is there first
+			var existingSupports = peers.Where(i => i.OutputType == PrintOutputTypes.Support);
+
+			parent.Children.Modify((list) =>
+			{
+				foreach (var item in existingSupports)
+				{
+					list.Remove(item);
+				}
+			});
+
+			// Get visible meshes for each of them
+			var visibleMeshes = peers.SelectMany(i => i.VisibleMeshes());
+
+			var supportCandidates = visibleMeshes.Where(i => i.OutputType != PrintOutputTypes.Support);
+
+			// find all the faces that are candidates for support
+			var verts = new Vector3List();
+			var faces = new FaceList();
+			foreach(var item in supportCandidates)
+			{
+				var matrix = item.WorldMatrix(parent);
+				foreach(var face in item.Mesh.Faces)
+				{
+					var face0Normal = Vector3.TransformVector(face.Normal, matrix).GetNormal();
+					var angle = MathHelper.RadiansToDegrees(Math.Acos(Vector3.Dot(Vector3.UnitZ, face0Normal)));
+
+					if (angle < MaxOverHangAngle)
+					{
+						foreach (var triangle in face.AsTriangles())
+						{
+							faces.Add(new int[] { verts.Count, verts.Count + 1, verts.Count + 2 });
+							verts.Add(Vector3.Transform(triangle.p0, matrix));
+							verts.Add(Vector3.Transform(triangle.p0, matrix));
+							verts.Add(Vector3.Transform(triangle.p0, matrix));
+						}
+					}
+				}
+			}
+			// separate the faces into face patch groups (these are the new support tops)
+			// project all the vertecies of each patch group down until they hit an up face in the scene (or 0)
+			// make a new patch group at the z of the hit (thes will bthe bottoms)
+			// find the outline of the patch groups (these will be the walls of the top and bottom patches
+			// make a new mesh object with the top, bottom and walls, add it to the scene and mark it as support
+		}
+	}
+}