public void RenderScreenSpace(RenderInfo info, Matrix4x4 transformMatrix, Viewport viewport)
{
if (info.showAnnotations)
{
Font font = new Font("Calibri", 12.0f * 0.75f);
List <DebugRenderPrimitive> primitivesToRender = GetCachedPrimitives();
foreach (DebugRenderPrimitive primitive in primitivesToRender)
{
if (primitive.Annotation != null && primitive.Annotation.IsValidAt(info.time))
{
Vector3 screenPosition = GeometryMath.Project(primitive.WorldBounds.Center, transformMatrix, viewport);
if (screenPosition.z >= 0.0)
{
Size textSize = TextRenderer.MeasureText(primitive.Annotation.Text, font);
Vector3 textHalfSize = new Vector3((double)textSize.Width, (double)textSize.Height, 0.0) * 0.5;
OpenGLDrawHelper.FillRectangle(DebugRenderControl.gl, screenPosition - textHalfSize, screenPosition + textHalfSize, primitive.Annotation.Color.Brightness > 0.5 ? new Color32(0, 0, 0, 255) : new Color32(255, 255, 255, 255), false);
DebugRenderControl.gl.DrawText((int)(screenPosition.x - textHalfSize.x) + 2, (int)(screenPosition.y - textHalfSize.y * 0.4),
primitive.Annotation.Color.R, primitive.Annotation.Color.G, primitive.Annotation.Color.B,
"Calibri", 12.0f, primitive.Annotation.Text);
}
}
}
}
}
/// <summary>
/// Handles the OpenGLDraw event of the OpenGLControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">The <see cref="SharpGL.SceneGraph.OpenGLEventArgs"/> instance containing the event data.</param>
private void OpenGLControl_OpenGLDraw(object sender, RenderEventArgs args)
{
OpenGL gl = openGLControl.OpenGL;
gl.ClearColor((float)ClearColor.R_Double, (float)ClearColor.G_Double, (float)ClearColor.B_Double, (float)ClearColor.A_Double);
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
UpdateCamera();
// Render grid (helper)
if (RenderInfo.showGrid)
{
OpenGLDrawHelper.DrawGrid_XY(gl, Session.DebugRenderStorage.GetBounds(RenderInfo.time), 4, 5, GridColor);
}
// Render 3D
RenderInfo.time = Session.PlaybackPosition;
Session.DebugRenderStorage.Render(RenderInfo);
lock (RenderInfo)
{
// Render selection
if (RenderInfo.Selection != null)
{
int second = DateTime.Now.Second;
Color32 selectionColor = second % 2 == 0 ? new Color32(255, 255, 255, 255) : new Color32(0, 0, 0, 255);
OpenGLDrawHelper.DrawBounds(gl, RenderInfo.Selection.Primitive.WorldBounds, selectionColor, true);
if (RenderInfo.Selection.SelectedTriangleIndex >= 0)
{
Vector3 a, b, c;
if (RenderInfo.Selection.Primitive.GetTriangle(RenderInfo.Selection.SelectedTriangleIndex, RenderInfo.Selection.SelectedTriangleIsOpaque, out a, out b, out c))
{
if (!RenderInfo.Selection.SelectedTriangleIsOpaque)
{
selectionColor.A_Double = 0.5;
}
OpenGLDrawHelper.DrawTriangle(gl, a, b, c, selectionColor, true);
}
}
}
// Render highlight
if (RenderInfo.Highlight != null)
{
int second = DateTime.Now.Second;
Color32 selectionColor = second % 2 == 0 ? new Color32(255, 255, 0, 255) : new Color32(128, 128, 128, 255);
OpenGLDrawHelper.DrawBounds(gl, RenderInfo.Highlight.Primitive.WorldBounds, selectionColor, true);
if (RenderInfo.Highlight.SelectedTriangleIndex >= 0)
{
Vector3 a, b, c;
if (RenderInfo.Highlight.Primitive.GetTriangle(RenderInfo.Highlight.SelectedTriangleIndex, RenderInfo.Highlight.SelectedTriangleIsOpaque, out a, out b, out c))
{
if (!RenderInfo.Highlight.SelectedTriangleIsOpaque)
{
selectionColor.A_Double = 0.5;
}
OpenGLDrawHelper.DrawTriangle(gl, a, b, c, selectionColor, true);
}
}
}
}
// Render 2D (Screen-space)
gl.PushAttrib(OpenGL.GL_ENABLE_BIT);
gl.Disable(OpenGL.GL_DEPTH_TEST);
double aspect = Viewport.width / Viewport.height;
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
gl.Perspective(60.0, aspect, 0.0, 10.0);
gl.MatrixMode(OpenGL.GL_MODELVIEW);
gl.LoadIdentity();
OpenGLDrawHelper.DrawAxis(gl, new Vector3(-1.0 * aspect, -1.0, -2.0), CurrentCamera.Direction, CurrentCamera.UpDirection, 0.2);
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
gl.Ortho2D(0, Viewport.width, 0, Viewport.height);
gl.MatrixMode(OpenGL.GL_MODELVIEW);
gl.LoadIdentity();
Session.DebugRenderStorage.RenderScreenSpace(RenderInfo, ProjectionMatrix, Viewport);
gl.PopAttrib();
}