public static void AddBoundingFrustum(BoundingFrustum frustum, Color color, float life)
{
DebugShape shape = GetShapeForLines(12, life);
frustum.GetCorners(corners);
shape.Vertices[0] = new VertexPositionColor(corners[0], color);
shape.Vertices[1] = new VertexPositionColor(corners[1], color);
shape.Vertices[2] = new VertexPositionColor(corners[1], color);
shape.Vertices[3] = new VertexPositionColor(corners[2], color);
shape.Vertices[4] = new VertexPositionColor(corners[2], color);
shape.Vertices[5] = new VertexPositionColor(corners[3], color);
shape.Vertices[6] = new VertexPositionColor(corners[3], color);
shape.Vertices[7] = new VertexPositionColor(corners[0], color);
shape.Vertices[8] = new VertexPositionColor(corners[4], color);
shape.Vertices[9] = new VertexPositionColor(corners[5], color);
shape.Vertices[10] = new VertexPositionColor(corners[5], color);
shape.Vertices[11] = new VertexPositionColor(corners[6], color);
shape.Vertices[12] = new VertexPositionColor(corners[6], color);
shape.Vertices[13] = new VertexPositionColor(corners[7], color);
shape.Vertices[14] = new VertexPositionColor(corners[7], color);
shape.Vertices[15] = new VertexPositionColor(corners[4], color);
shape.Vertices[16] = new VertexPositionColor(corners[0], color);
shape.Vertices[17] = new VertexPositionColor(corners[4], color);
shape.Vertices[18] = new VertexPositionColor(corners[1], color);
shape.Vertices[19] = new VertexPositionColor(corners[5], color);
shape.Vertices[20] = new VertexPositionColor(corners[2], color);
shape.Vertices[21] = new VertexPositionColor(corners[6], color);
shape.Vertices[22] = new VertexPositionColor(corners[3], color);
shape.Vertices[23] = new VertexPositionColor(corners[7], color);
}
public unsafe ContainmentType Contains(ref BoundingFrustum other)
{
int pointsContained = 0;
FrustumCorners corners = other.GetCorners();
Vector3 * cornersPtr = (Vector3 *)&corners;
for (int i = 0; i < 8; i++)
{
if (Contains(&cornersPtr[i]) != ContainmentType.Disjoint)
{
pointsContained++;
}
}
if (pointsContained == 8)
{
return(ContainmentType.Contains);
}
else if (pointsContained == 0)
{
return(ContainmentType.Disjoint);
}
else
{
return(ContainmentType.Intersects);
}
}
public static IEnumerable <Line3D> CreateWiredPyramid(BoundingFrustum frustum)
{
FrustumCameraParams prms = frustum.GetCameraParams();
Vector3[] corners = frustum.GetCorners();
Vector3[] vertices = new Vector3[5];
vertices[0] = prms.Position;
vertices[1] = corners[4];
vertices[2] = corners[5];
vertices[3] = corners[6];
vertices[4] = corners[7];
List <int> indexes = new List <int>(16)
{
0,
1,
0,
2,
0,
3,
0,
4,
1,
2,
2,
3,
3,
4,
4,
1
};
return(CreateFromVertices(vertices, indexes));
}
public static IEnumerable <Line3D> CreateWiredFrustum(BoundingFrustum frustum)
{
return(CreateWiredBox(frustum.GetCorners()));
}