public int SetBuffer2D(S4Camera cam, CustomVertex.PositionNormalColored[] buf, int ptr)
{
if (!qBelow)
{
return(ptr);
}
for (int i = 0; i < Base.NF * 3; i += 3)
{
Vector3 v0 = Coords3D[Base.Faces[i]];
Vector3 v1 = Coords3D[Base.Faces[i + 1]];
Vector3 v2 = Coords3D[Base.Faces[i + 2]];
if (v0.Z != WRONGPT && v1.Z != WRONGPT && v2.Z != WRONGPT)
{
bool qinv = true;
#if true
Vector3 v1x = v1, v2x = v2;
v1x.Subtract(v0); v2x.Subtract(v0);
Vector3 n = new Vector3(v1x.Y * v2x.Z - v1x.Z * v2x.Y, v1x.Z * v2x.X - v1x.X * v2x.Z, v1x.X * v2x.Y - v1x.Y * v2x.X);
if (n.Z < 0)
{
n.Scale(-1f); qinv = false;
}
n.Z += n.Length() / 4;
n.Normalize();
#else
Vector3 n = new Vector3(0.91f, 0.3f, 0.3f);
#endif
buf[ptr++] = new CustomVertex.PositionNormalColored(v0, n, Col);
buf[ptr++] = new CustomVertex.PositionNormalColored(qinv ? v1 : v2, n, Col);
buf[ptr++] = new CustomVertex.PositionNormalColored(qinv ? v2 : v1, n, Col);
}
}
return(ptr);
}
public S3DirectX()
{
m_bUseDepthBuffer = true;
// Camera _cam = new CCamera();
Camera _cam = new S4Camera(4, 2);
m_Camera = _cam;
m_Light = new CameraLight(_cam);
}
public void RecalcCoord(S4Camera cam)
{
qBelow = true;
int dim = Base.PDim;
if (ExtraTwist != null)
{
for (int j = 0; j < dim; j++)
{
double s = 0;
for (int k = 0; k < dim; k++)
{
s += ExtraTwist[k, j] * FCtr[k];
}
CurPt[j] = s;
}
if (cam.AbovePlane(CurPt))
{
qBelow = false;
return;
}
}
for (int i = 0; i < Base.NV; i++)
{
if (ExtraTwist != null)
{
for (int j = 0; j < dim; j++)
{
double s = 0;
for (int k = 0; k < dim; k++)
{
s += ExtraTwist[k, j] * Coords[i * dim + k];
}
CurPt[j] = s;
}
}
else
{
for (int j = 0; j < dim; j++)
{
CurPt[j] = Coords[i * dim + j];
}
}
bool x = cam.Apply(CurPt, out Coords3D[i]);
if (!x)
{
Coords3D[i].Z = WRONGPT;
}
}
}
public int SetBuffer1D(S4Camera cam, CustomVertex.PositionNormalColored[] buf, int ptr, int col)
{
if (!qBelow)
{
return(ptr);
}
for (int i = 0; i < Base.NE * 2; i += 2)
{
Vector3 v0 = Coords3D[Base.Edges[i]];
Vector3 v1 = Coords3D[Base.Edges[i + 1]];
if (v0.Z != WRONGPT && v1.Z != WRONGPT)
{
buf[ptr++] = new CustomVertex.PositionNormalColored(v0, new Vector3(0, 0, 1), col);
buf[ptr++] = new CustomVertex.PositionNormalColored(v1, new Vector3(0, 0, 1), col);
}
}
return(ptr);
}