本文整理汇总了C#中BoundingBoxD.GetCornersUnsafe方法的典型用法代码示例。如果您正苦于以下问题：C# BoundingBoxD.GetCornersUnsafe方法的具体用法？C# BoundingBoxD.GetCornersUnsafe怎么用？C# BoundingBoxD.GetCornersUnsafe使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BoundingBoxD的用法示例。
在下文中一共展示了BoundingBoxD.GetCornersUnsafe方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RasterSectorsForPhysics
// Iterate over sector boxes in a range.
// TODO: Dumb version of this for small boxes
private unsafe void RasterSectorsForPhysics(BoundingBoxD range)
{
range.InflateToMinimum(EnvironmentDefinition.SectorSize);
Vector2I top = new Vector2I(1 << m_clipmaps[0].Depth) - 1;
Vector3D* pos = stackalloc Vector3D[8];
range.GetCornersUnsafe(pos);
// bitmask for faces, 7th bit is simple bit
int markedFaces = 0;
int firstFace = 0;
for (var i = 0; i < 8; ++i)
{
Vector3D copy = pos[i];
int index = MyPlanetCubemapHelper.FindCubeFace(ref copy);
firstFace = index;
index = 1 << index;
if ((markedFaces & ~index) != 0) markedFaces |= 0x40;
markedFaces |= index;
}
// This way we can ensure a single code path.
int startFace = 0;
int endFace = 5;
// If we only encounter one face we narrow it down.
if ((markedFaces & 0x40) == 0)
{
startFace = endFace = firstFace;
}
for (int face = startFace; face <= endFace; ++face)
{
if (((1 << face) & markedFaces) == 0)
continue;
double size = m_clipmaps[face].LeafSize;
// Offset
var offset = 1 << m_clipmaps[face].Depth - 1;
BoundingBox2D bounds = BoundingBox2D.CreateInvalid();
for (int i = 0; i < 8; ++i)
{
Vector3D copy = pos[i];
Vector2D normCoords;
MyPlanetCubemapHelper.ProjectForFace(ref copy, face, out normCoords);
bounds.Include(normCoords);
}
bounds.Min += 1;
bounds.Min *= offset;
bounds.Max += 1;
bounds.Max *= offset;
// Calculate bounds in sectors.
var start = new Vector2I((int)bounds.Min.X, (int)bounds.Min.Y);
var end = new Vector2I((int)bounds.Max.X, (int)bounds.Max.Y);
Vector2I.Max(ref start, ref Vector2I.Zero, out start);
Vector2I.Min(ref end, ref top, out end);
for (int x = start.X; x <= end.X; ++x)
for (int y = start.Y; y <= end.Y; ++y)
{
EnsurePhysicsSector(x, y, face);
}
}
}示例2: CountCornersInside
private int CountCornersInside(ref MatrixD aabbWorldTransform, ref BoundingBoxD aabb)
{
unsafe
{
const int cornerCount = 8;
Vector3D* corners = stackalloc Vector3D[cornerCount];
aabb.GetCornersUnsafe(corners);
for (int i = 0; i < cornerCount; i++)
{
Vector3D.Transform(ref corners[i], ref aabbWorldTransform, out corners[i]);
}
return CountPointsInside(corners, cornerCount);
}
}