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improving path drawing

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This commit is contained in:
LarsBrubaker 2020-10-11 19:29:42 -07:00
parent 574eed06cd
commit 823b664127
8 changed files with 93 additions and 68 deletions
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59
MatterControlLib/DesignTools/Operations/Object3DExtensions.cs
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@ -40,6 +40,7 @@ using MatterHackers.DataConverters2D;
using MatterHackers.DataConverters3D;
using MatterHackers.DataConverters3D.UndoCommands;
using MatterHackers.MatterControl.PartPreviewWindow.View3D;
using MatterHackers.RenderOpenGl.OpenGl;
using MatterHackers.VectorMath;
namespace MatterHackers.MatterControl.DesignTools.Operations
@ -89,6 +90,64 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
return 0;
}
public static void DrawPath(this IObject3D item)
{
if (item is IPathObject pathObject)
{
if (pathObject.VertexSource == null)
{
return;
}
bool first = true;
var lastPosition = Vector2.Zero;
var aabb = item.VisibleMeshes().FirstOrDefault().GetAxisAlignedBoundingBox();
var firstMove = Vector2.Zero;
foreach (var vertex in pathObject.VertexSource.Vertices())
{
var position = vertex.position;
if (first)
{
GL.PushMatrix();
GL.PushAttrib(AttribMask.EnableBit);
GL.MultMatrix(item.WorldMatrix().GetAsFloatArray());
GL.Disable(EnableCap.Texture2D);
GL.Disable(EnableCap.Blend);
GL.Begin(BeginMode.Lines);
GL.Color4(255, 0, 0, 255);
}
if (vertex.IsMoveTo)
{
firstMove = position;
}
else if (vertex.IsLineTo)
{
GL.Vertex3(lastPosition.X, lastPosition.Y, aabb.MaxXYZ.Z + 0.002);
GL.Vertex3(position.X, position.Y, aabb.MaxXYZ.Z + 0.002);
}
else if (vertex.IsClose)
{
GL.Vertex3(firstMove.X, firstMove.Y, aabb.MaxXYZ.Z + 0.002);
GL.Vertex3(lastPosition.X, lastPosition.Y, aabb.MaxXYZ.Z + 0.002);
}
lastPosition = position;
first = false;
}
// if we drew anything
if (!first)
{
GL.End();
GL.PopAttrib();
GL.PopMatrix();
}
}
}
public static bool IsRoot(this IObject3D object3D)
{
return object3D.Parent == null;