private bool TestGeometryAgainstFrustum(MeshGeometry3D rawGeometry, Material frontMaterial, Material backMaterial, BoundingVolume frustum, Matrix3D transform)
{
if (rawGeometry == null)
{
return(false);
}
TriangleEnumerator triangleEnumerator = new TriangleEnumerator(rawGeometry.Positions, rawGeometry.TriangleIndices);
Point3D[] point3DArray = new Point3D[3];
foreach (int[] numArray in triangleEnumerator.TriangleList)
{
point3DArray[0] = rawGeometry.Positions[numArray[0]];
point3DArray[1] = rawGeometry.Positions[numArray[1]];
point3DArray[2] = rawGeometry.Positions[numArray[2]];
transform.Transform(point3DArray);
if (frustum.IsPolygonContainedOrIntersecting(point3DArray))
{
double num = Vector3D.DotProduct(Vector3D.CrossProduct(point3DArray[1] - point3DArray[0], point3DArray[2] - point3DArray[0]), point3DArray[0] - this.frustumCenterRay.Origin);
if (Tolerances.LessThanOrClose(num, 0.0) && frontMaterial != null || Tolerances.GreaterThan(num, 0.0) && backMaterial != null)
{
return(true);
}
}
}
return(false);
}
protected virtual void ComputeIdealAlignment()
{
this.Settings.HorizontalAlignment = (this.WidthConstraintMode & LayoutConstraintMode.CanvasLike) == LayoutConstraintMode.NonOverlappingGridlike ? (!Tolerances.LessThanOrClose(this.ChildRect.Right, (this.SlotRect.Left + this.SlotRect.Right) / 2.0) ? (!Tolerances.GreaterThanOrClose(this.ChildRect.Left, (this.SlotRect.Left + this.SlotRect.Right) / 2.0) ? HorizontalAlignment.Stretch : HorizontalAlignment.Right) : HorizontalAlignment.Left) : HorizontalAlignment.Stretch;
if ((this.HeightConstraintMode & LayoutConstraintMode.CanvasLike) != LayoutConstraintMode.NonOverlappingGridlike)
{
this.Settings.VerticalAlignment = VerticalAlignment.Stretch;
}
else if (Tolerances.LessThanOrClose(this.ChildRect.Bottom, (this.SlotRect.Top + this.SlotRect.Bottom) / 2.0))
{
this.Settings.VerticalAlignment = VerticalAlignment.Top;
}
else if (Tolerances.GreaterThanOrClose(this.ChildRect.Top, (this.SlotRect.Top + this.SlotRect.Bottom) / 2.0))
{
this.Settings.VerticalAlignment = VerticalAlignment.Bottom;
}
else
{
this.Settings.VerticalAlignment = VerticalAlignment.Stretch;
}
}
