public void Execute(BoundingFrustum frustum, Action <Octree> action)
{
var frustumSphere = BoundingSphere.CreateFromFrustum(frustum);
foreach (var root in rootsByPositionGrid.Values)
{
Execute(frustum, ref frustumSphere, action, root);
}
}
public void Render2DOverlay(PerspectiveCamera viewPoint, GBuffer gBuffer)
{
this.Effect.World = Matrix.Identity;
this.Effect.View = Matrix.Identity;
this.Effect.Projection = Matrix.Identity;
this.Effect.DepthMap = gBuffer.DepthTarget;
this.Effect.CameraPosition = viewPoint.Position;
this.Effect.InverseViewProjection = viewPoint.InverseViewProjection;
this.Device.PostProcessState();
foreach ((var entity, var component, var info, var property, var attribute) in this.EnumerateAttributes <BoundaryAttribute>())
{
this.Effect.Color = info.Color2D;
this.Effect.VisibleTint = info.VisibileIconTint;
this.Effect.ClippedTint = info.ClippedIconTint;
var boundary = property.GetGetMethod().Invoke(component, null);
switch (attribute.Type)
{
case BoundaryType.Frustum:
var frustum = (BoundingFrustum)boundary;
if (viewPoint.Frustum.Intersects(frustum))
{
this.Effect.WorldPosition = BoundingSphere.CreateFromFrustum(frustum).Center;
this.Effect.Apply(ColorEffectTechniques.ColorPointDepthTest);
this.Quad.RenderOutline(frustum, viewPoint);
}
break;
case BoundaryType.BoundingBox:
var boundingBox = (BoundingBox)boundary;
if (viewPoint.Frustum.Intersects(boundingBox))
{
this.Effect.WorldPosition = BoundingSphere.CreateFromBoundingBox(boundingBox).Center;
this.Effect.Apply(ColorEffectTechniques.ColorPointDepthTest);
this.Quad.RenderOutline(boundingBox, viewPoint);
}
break;
}
}
}
public void BoundingSphere_CreateFromFrustumWorksCorrectly_WithOutParam()
{
var view = Matrix.CreateLookAt(new Vector3(0, 0, 5), Vector3.Zero, Vector3.Up);
var proj = Matrix.CreatePerspectiveFieldOfView((float)Math.PI / 4f, 4f / 3f, 1f, 1000f);
var frustum = new BoundingFrustum(view * proj);
BoundingSphere.CreateFromFrustum(frustum, out BoundingSphere result);
if (Environment.Is64BitProcess)
{
TheResultingValue(result.Center).WithinDelta(0.0001f)
.ShouldBe(-0.0853f, 0.06398f, -840.6783f);
TheResultingValue(result.Radius).WithinDelta(0.0001f)
.ShouldBe(844.6787f);
}
else
{
TheResultingValue(result.Center).WithinDelta(0.0001f)
.ShouldBe(-0.0853f, 0.06398f, -840.6783f);
TheResultingValue(result.Radius).WithinDelta(0.0001f)
.ShouldBe(844.6785f);
}
}