public WSceneView()
{
m_opaqueRenderList = new List <IRenderable>();
m_transparentRenderList = new List <IRenderable>();
m_renderablesInFrustum = new List <IRenderable>();
m_viewportRect = new FRect(0, 0, 1f, 1f);
m_viewCamera = new WCamera();
m_orientationWidget = new WViewportOrientationWidget();
}
/// <summary>
/// Returns the position of the viewport in screenspace pixel coordinates.
/// </summary>
public FRect GetViewportDimensions()
{
FRect newRect = new FRect();
newRect.X = m_viewportRect.X * m_viewWidth;
newRect.Y = m_viewportRect.Y * m_viewHeight;
newRect.Width = m_viewportRect.Width * m_viewWidth;
newRect.Height = m_viewportRect.Height * m_viewHeight;
return(newRect);
}
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));
}
private void UpdateSceneViews()
{
// If they've clicked, check which view is in focus.
if (WInput.GetMouseButtonDown(0) || WInput.GetMouseButtonDown(1) || WInput.GetMouseButtonDown(2))
{
WSceneView focusedScene = GetFocusedSceneView();
foreach (var scene in m_sceneViews)
{
scene.IsFocused = false;
FRect viewport = scene.GetViewportDimensions();
if (viewport.Contains(WInput.MousePosition.X, WInput.MousePosition.Y))
{
focusedScene = scene;
}
}
focusedScene.IsFocused = true;
}
}
internal void SetViewRect(FRect rect)
{
m_viewportRect = rect;
}
