/// <summary>
/// Only draw for the current viewport that is doing the action
/// </summary>
/// <param name="graphics"></param>
/// <param name="viewport"></param>
private void RenderBlanket(Graphics.Graphics graphics, BaseViewport viewport)
{
if (viewport.ViewportType != BaseViewport.ViewportTypes.PERSPECTIVE &&
coverBlanket.HasVolume2D && currentActionViewport == viewport.ViewportType)
{
Vector3 bottomLeft = new Vector3(coverBlanket.Min.X, coverBlanket.Min.Y, 0);
Vector3 bottomRight = new Vector3(coverBlanket.Max.X, coverBlanket.Min.Y, 0);
Vector3 topRight = new Vector3(coverBlanket.Max.X, coverBlanket.Max.Y, 0);
Vector3 topLeft = new Vector3(coverBlanket.Min.X, coverBlanket.Max.Y, 0);
graphics.BeginDraw(Matrix4.CreateOrthographicOffCenter(0, viewport.Width, viewport.Height, 0, 0, 1));
//Color blanketColor = Color.FromArgb(64, Color.LightSkyBlue);
//renderer.DrawSolidRectangle(topLeft, topRight, bottomRight, bottomLeft, blanketColor); // TODO FIX winding....??!?!?!?
graphics.DrawRectangle(bottomLeft, bottomRight, topRight, topLeft, Graphics.Graphics.LineType.LineDashed, Color.DeepSkyBlue);
graphics.EndDraw();
}
}
private void RenderAllVertexHandles(Graphics.Graphics graphics, BaseViewport viewport)
{
int nearDepth = 1;
int farDepth = 0;
//TODO check why this is neccessary
if (viewport.ViewportType == BaseViewport.ViewportTypes.PERSPECTIVE)
{
nearDepth = 0;
farDepth = 1;
}
// handle vertices are already in NDC space when send to the graphicscard
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.DepthRange(nearDepth, farDepth);
GL.Enable(EnableCap.DepthTest);
graphics.BeginDraw(Matrix4.Identity);
Vector3 handleDimensions = new Vector3((float)HandleSize / viewport.Width, (float)HandleSize / viewport.Height, 0.0f);
Matrix4 vpMatrix = viewport.Camera.GetViewMatrix() * viewport.Camera.GetProjMatrix();
Handle handle = new Handle();
List <Handle> selectedHandles = new List <Handle>();
// create handles and draw non selected handles
DoSolidAction(controller.Selection, (solid) =>
{
int index = 0;
foreach (Vector3 position in solid.VertexPositions)
{
Vector4 vec4Pos = new Vector4(position, 1.0f) * vpMatrix;
Vector3 pos = vec4Pos.Xyz / vec4Pos.W;
handle.BottomLeft = pos + (-Vector3.UnitX - Vector3.UnitY) * handleDimensions;
handle.BottomRight = pos + (Vector3.UnitX - Vector3.UnitY) * handleDimensions;
handle.TopRight = pos + (Vector3.UnitX + Vector3.UnitY) * handleDimensions;
handle.TopLeft = pos + (-Vector3.UnitX + Vector3.UnitY) * handleDimensions;
if (solid.SelectedVertices.Contains(index))
{
selectedHandles.Add(handle);
index++;
continue;
}
index++;
graphics.DrawSolidRectangle(handle.BottomLeft, handle.BottomRight,
handle.TopRight, handle.TopLeft, Color.White);
graphics.DrawRectangle(handle.BottomLeft, handle.BottomRight,
handle.TopRight, handle.TopLeft, Graphics.Graphics.LineType.LineNormal, Color.Black);
}
});
graphics.EndDraw();
GL.Clear(ClearBufferMask.DepthBufferBit);
graphics.BeginDraw(Matrix4.Identity);
//draw selected handles
foreach (Handle selectedHandle in selectedHandles)
{
graphics.DrawSolidRectangle(selectedHandle.BottomLeft, selectedHandle.BottomRight,
selectedHandle.TopRight, selectedHandle.TopLeft, Color.Red);
graphics.DrawRectangle(selectedHandle.BottomLeft, selectedHandle.BottomRight,
selectedHandle.TopRight, selectedHandle.TopLeft, Graphics.Graphics.LineType.LineNormal, Color.Black);
}
graphics.EndDraw();
GL.Disable(EnableCap.DepthTest);
GL.DepthRange(farDepth, nearDepth);
}