//protected CubeMapFace GetFace(int index)
//{
// switch (index)
// {
// case 0: return CubeMapFace.PositiveX;
// case 1: return CubeMapFace.NegativeX;
// case 2: return CubeMapFace.PositiveY;
// case 3: return CubeMapFace.NegativeY;
// case 4: return CubeMapFace.PositiveZ;
// case 5: return CubeMapFace.NegativeZ;
// }
// throw new IndexOutOfRangeException();
//}
public void CommitChanges()
{
if (Zn != cameras[0].ZNear || Zf != cameras[0].ZFar)
{
for (int i = 0; i < cameras.Length; i++)
{
cameras[i].ZNear = Zn;
cameras[i].ZFar = Zf;
cameras[i].CommitChanges();
}
}
if (RenderTarget.TargetFormat != format || RenderTarget.EdgeSize != size)
{
if (RenderTarget != null)
{
RenderTarget.Dispose();
}
RenderTarget = new RenderTextureCube(size, format, Format.D16_UNORM);
_rendered = false;
}
}
public virtual void Initialize()
{
_rendered = false;
Vector3 position = Vector3.Zero;
cameras[0] = Camera.FromLookAt(null, Vector3.Zero, Vector3.UnitX, Vector3.UnitY, Zn, Zf); //PositiveX
cameras[1] = Camera.FromLookAt(null, Vector3.Zero, -Vector3.UnitX, Vector3.UnitY, Zn, Zf); //NegativeX
cameras[2] = Camera.FromLookAt(null, position, Vector3.UnitY, -1 * Vector3.UnitZ, Zn, Zf); //PositiveY
cameras[3] = Camera.FromLookAt(null, position, -Vector3.UnitY, Vector3.UnitZ, Zn, Zf); //NegativeY
cameras[4] = Camera.FromLookAt(null, position, Vector3.UnitZ, Vector3.UnitY, Zn, Zf); //PositiveZ
cameras[5] = Camera.FromLookAt(null, position, -Vector3.UnitZ, Vector3.UnitY, Zn, Zf); //NegativeZ
for (int i = 0; i < 6; i++)
{
cameras[i].AspectRatio = 1;
cameras[i].FieldOfView = Numerics.PIover2;
cameras[i].CommitChanges();
}
if (format == Format.UNKNOWN)
{
throw new InvalidOperationException("Invalid format");
}
if (size <= 0)
{
throw new InvalidOperationException("size less than 0");
}
if (RenderTarget != null)
{
RenderTarget.Dispose();
}
RenderTarget = new RenderTextureCube(size, format, GraphicDeviceFactory.Device.BackDepthBuffer.SurfaceFormat);
_rendered = false;
_vp = new ViewPort(0, 0, size, size);
}
