private void FrustumCullList(FFrustum frustum, List <IRenderable> sourceList, List <IRenderable> outputList)
{
for (int i = 0; i < sourceList.Count; i++)
{
Halfspace contains = frustum.ContainsSphere(sourceList[i].GetPosition(), sourceList[i].GetBoundingRadius());
if (contains != Halfspace.Negative)
{
outputList.Add(sourceList[i]);
}
}
}
public void DrawFrame()
{
ResetGraphicsState();
int x = (int)(m_viewportRect.X * m_viewWidth);
int y = (int)(m_viewportRect.Y * m_viewHeight);
int width = (int)(m_viewportRect.Width * m_viewWidth);
int height = (int)(m_viewportRect.Height * m_viewHeight);
GL.Viewport(x, y, width, height);
GL.Scissor(x, y, width, height);
GL.ClearColor(m_viewportRect.X, m_viewportRect.Y, m_viewportRect.Width, 1f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.StencilBufferBit | ClearBufferMask.DepthBufferBit);
Matrix4 viewMatrix, projMatrix;
GetViewAndProjMatrixForView(out viewMatrix, out projMatrix);
FFrustum frustum = new FFrustum(ref viewMatrix, ref projMatrix);
// Resize our list if needed.
m_renderablesInFrustum.Clear();
m_renderablesInFrustum.Capacity = Math.Max(m_opaqueRenderList.Count, m_transparentRenderList.Count);
FrustumCullList(frustum, m_opaqueRenderList, m_renderablesInFrustum);
// Render all Opaque Geometry first.
foreach (var mesh in m_renderablesInFrustum)
{
mesh.Draw(this);
}
// Now cull us against translucent geometry.
m_renderablesInFrustum.Clear();
FrustumCullList(frustum, m_transparentRenderList, m_renderablesInFrustum);
// Render all Transparent Geometry afterwards. ToDo: depth-sort this first.
foreach (var mesh in m_renderablesInFrustum)
{
mesh.Draw(this);
}
DrawOrientationWidget(x, y, viewMatrix, projMatrix);
ResetGraphicsState();
}
public FRay ProjectScreenToWorld(Vector2 mousePosition)
{
FRect viewportDimensions = GetViewportDimensions();
mousePosition.X -= viewportDimensions.X;
mousePosition.Y -= viewportDimensions.Y;
Vector3 mouseViewportA = new Vector3(mousePosition.X / viewportDimensions.Width, mousePosition.Y / viewportDimensions.Height, 0f);
Vector3 mouseViewportB = new Vector3(mousePosition.X / viewportDimensions.Width, mousePosition.Y / viewportDimensions.Height, 1f);
Vector4 nearUnproj = FFrustum.UnProject(m_viewCamera.ProjectionMatrix, m_viewCamera.ViewMatrix, mouseViewportA);
Vector4 farUnproj = FFrustum.UnProject(m_viewCamera.ProjectionMatrix, m_viewCamera.ViewMatrix, mouseViewportB);
Vector3 dir = farUnproj.Xyz - nearUnproj.Xyz;
dir.Normalize();
return(new FRay(nearUnproj.Xyz, dir));
}
public void DrawFrame()
{
ResetGraphicsState();
int x = (int)(m_viewportRect.X * m_viewWidth);
int y = (int)(m_viewportRect.Y * m_viewHeight);
int width = (int)(m_viewportRect.Width * m_viewWidth);
int height = (int)(m_viewportRect.Height * m_viewHeight);
GL.Viewport(x, y, width, height);
GL.Scissor(x, y, width, height);
GL.ClearColor(m_viewportRect.X, m_viewportRect.Y, m_viewportRect.Width, 1f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.StencilBufferBit | ClearBufferMask.DepthBufferBit);
Matrix4 viewMatrix, projMatrix;
GetViewAndProjMatrixForView(out viewMatrix, out projMatrix);
FFrustum frustum = new FFrustum(ref viewMatrix, ref projMatrix);
// Resize our list if needed.
m_renderablesInFrustum.Clear();
m_renderablesInFrustum.Capacity = Math.Max(m_opaqueRenderList.Count, m_transparentRenderList.Count);
FrustumCullList(frustum, m_opaqueRenderList, m_renderablesInFrustum);
//m_renderablesInFrustum = new List<IRenderable>(m_opaqueRenderList);
foreach (var mesh in m_renderablesInFrustum)
{
if (mesh.GetType() == typeof(WSkyboxNode))
{
mesh.Draw(this);
break;
}
}
// Render all Opaque Geometry first.
foreach (var mesh in m_renderablesInFrustum)
{
if (mesh is WDOMNode)
{
WDOMNode node = (WDOMNode)mesh;
if (mesh.GetType() != typeof(WSkyboxNode) && node.IsRendered)
{
float dist = (mesh.GetPosition() - GetCameraPos()).Length;
if (dist < MaxDist || mesh.GetType() == typeof(J3DNode))
{
mesh.Draw(this);
}
}
}
else
{
mesh.Draw(this);
}
}
// Now cull us against translucent geometry.
m_renderablesInFrustum.Clear();
FrustumCullList(frustum, m_transparentRenderList, m_renderablesInFrustum);
// Render all Transparent Geometry afterwards. ToDo: depth-sort this first.
foreach (var mesh in m_renderablesInFrustum)
{
if (mesh is WDOMNode)
{
WDOMNode node = (WDOMNode)mesh;
if (node.IsRendered)
{
mesh.Draw(this);
}
}
else
{
mesh.Draw(this);
}
}
DrawOrientationWidget(x, y, viewMatrix, projMatrix);
ResetGraphicsState();
}