/// <summary>
/// Get Default
/// </summary>
/// <returns></returns>
public static RenderingContext Default()
{
RenderingContext ret = new RenderingContext();
ret.UseNormal = true;
ret.UseObjectColor = true;
ret.Wireframe = false;
ret.DefaultFaceMaterial = GLMaterial.Default();
ret.DefaultLineMaterial = GLMaterial.Default();
ret.DefaultLineMaterial.Ambiant = Color.DarkGray;
ret.Lightning = true;
return ret;
}
/// <summary>
/// Render this Slice to OpenGL
/// </summary>
/// <param name="context"></param>
public override void Render(ref RenderingContext context)
{
if (context.Wireframe)
{
GL.PolygonOffset(-1, -1);
RenderingContext linecontext = context;
linecontext.Lightning = false;
linecontext.UseObjectColor = context.UseObjectColor;
RenderAsWireFrame(ref linecontext);
}
GL.PolygonOffset(0, 0);
RenderAsFace(ref context);
}
/// <summary>
/// Render thes Slice WireFrame
/// </summary>
/// <param name="context"></param>
protected void RenderAsWireFrame(ref RenderingContext context)
{
PrimitiveType oldPrim = m_Primitive;
m_Primitive = PrimitiveType.LineStrip;
context.ApplyLineDefault();
base.Render(ref context);
ScanLine l1 = new ScanLine(-1, Count / 2);
ScanLine l2 = new ScanLine(-1, Count / 2);
for (int i = 0; i < Count; i++)
if (i % 2 == 0)
l1.Add(this[i]);
else
l2.Add(this[i]);
l1.Render(ref context);
l2.Render(ref context);
m_Primitive = oldPrim;
}
/// <summary>
/// Render this slice Faces
/// </summary>
/// <param name="context"></param>
protected void RenderAsFace(ref RenderingContext context)
{
PrimitiveType oldPrim = m_Primitive;
context.ApplyFaceDefault();
m_Primitive = PrimitiveType.TriangleStrip;
base.Render(ref context);
m_Primitive=oldPrim;
}
/// <summary>
/// Render this point to OpenGL
/// </summary>
/// <param name="context"></param>
public void ToGL(ref RenderingContext context)
{
if (context.UseObjectColor)
GL.Color3(Color);
if (context.UseNormal)
GL.Normal3(Normal);
GL.Vertex3(Position);
}
