104 lines
No EOL
3.4 KiB
C#
104 lines
No EOL
3.4 KiB
C#
/*
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Copyright (c) 2019, 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 MatterHackers.Agg;
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using MatterHackers.Agg.UI;
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using MatterHackers.DataConverters3D;
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using MatterHackers.RenderOpenGl;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl.PartPreviewWindow
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{
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public class NormalsDrawable : IDrawableItem
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{
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private ISceneContext sceneContext;
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private InteractiveScene scene;
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public NormalsDrawable(ISceneContext sceneContext)
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{
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this.sceneContext = sceneContext;
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this.scene = sceneContext.Scene;
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}
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public bool Enabled { get; set; }
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public string Title { get; } = "Normals Renderer";
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public string Description { get; } = "Render selected item normals";
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public DrawStage DrawStage { get; } = DrawStage.TransparentContent;
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public void Draw(GuiWidget sender, IObject3D item, bool isSelected, DrawEventArgs e, Matrix4X4 itemMaxtrix, WorldView world)
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{
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if (!isSelected
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|| item.Mesh?.Faces.Count <= 0)
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{
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return;
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}
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var frustum = world.GetClippingFrustum();
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var mesh = item.Mesh;
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foreach (var face in mesh.Faces)
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{
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int vertexCount = 0;
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Vector3Float faceCenter = Vector3Float.Zero;
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foreach (var v in new[] { face.v0, face.v1, face.v2 })
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{
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var vertex = mesh.Vertices[v];
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faceCenter += vertex;
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vertexCount++;
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}
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faceCenter /= vertexCount;
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var matrix = item.WorldMatrix();
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var transformed1 = faceCenter.Transform(matrix);
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var normal = face.normal.TransformNormal(matrix).GetNormal();
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world.Render3DLineNoPrep(frustum, transformed1, transformed1 + normal, Color.Red, 2);
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}
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}
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public AxisAlignedBoundingBox GetWorldspaceAABB(IObject3D item, bool isSelected, WorldView world)
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{
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if (!isSelected || item.Mesh?.Faces.Count <= 0)
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{
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return AxisAlignedBoundingBox.Empty();
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}
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AxisAlignedBoundingBox box = item.Mesh.GetAxisAlignedBoundingBox().NewTransformed(item.WorldMatrix());
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box.Expand(1); // Normal length.
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return box;
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}
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}
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} |