private static void DrawWireOverlay(Mesh meshToRender, RenderTypes renderType, Color color, Action meshChanged = null)
{
GL.Color4(color.red, color.green, color.blue, color.alpha == 0 ? (byte)255 : color.alpha);
GL.Disable(EnableCap.Lighting);
GL.DisableClientState(ArrayCap.TextureCoordArray);
IEdgeLinesContainer edgeLinesContainer = null;
if (renderType == RenderTypes.Outlines)
{
edgeLinesContainer = GLMeshWirePlugin.Get(meshToRender, MathHelper.Tau / 8, meshChanged);
}
else if (renderType == RenderTypes.NonManifold)
{
edgeLinesContainer = GLMeshNonManifoldPlugin.Get(meshToRender, meshChanged);
GL.Color4(255, 0, 0, 255);
}
else
{
edgeLinesContainer = GLMeshWirePlugin.Get(meshToRender);
}
GL.EnableClientState(ArrayCap.VertexArray);
VectorPOD <WireVertexData> edgeLines = edgeLinesContainer.EdgeLines;
unsafe
{
fixed(WireVertexData *pv = edgeLines.Array)
{
GL.VertexPointer(3, VertexPointerType.Float, 0, new IntPtr(pv));
GL.DrawArrays(BeginMode.Lines, 0, edgeLines.Count);
}
}
GL.DisableClientState(ArrayCap.VertexArray);
GL.Enable(EnableCap.Lighting);
}
public static GLMeshNonManifoldPlugin Get(Mesh mesh, Action meshChanged = null)
{
mesh.PropertyBag.TryGetValue(GLMeshNonManifoldPluginName, out object meshData);
if (meshData is GLMeshNonManifoldPlugin plugin)
{
if (mesh.ChangedCount == plugin.meshUpdateCount)
{
return(plugin);
}
// else we need to rebuild the data
plugin.meshUpdateCount = mesh.ChangedCount;
mesh.PropertyBag.Remove(GLMeshNonManifoldPluginName);
}
var newPlugin = new GLMeshNonManifoldPlugin();
newPlugin.CreateRenderData(mesh, meshChanged);
newPlugin.meshUpdateCount = mesh.ChangedCount;
mesh.PropertyBag.Add(GLMeshNonManifoldPluginName, newPlugin);
return(newPlugin);
}
