public static void Torus(float ringRadius = 0.2f, float tubeRadius = 0.8f, int numc = 6, int numt = 12) {
List<float> data = null;
foreach (KeyValuePair<tshape, List<float>> kvp in torusData) {
if (kvp.Key.rr == ringRadius && kvp.Key.tr == tubeRadius && kvp.Key.nc == numc && kvp.Key.nt == numt) {
data = kvp.Value;
}
}
if (data == null) {
tshape key = new tshape();
key.rr = ringRadius;
key.tr = tubeRadius;
key.nc = numc;
key.nt = numt;
KeyValuePair<tshape, List<float>> newItem = new KeyValuePair<tshape, List<float>>(key, new List<float>());
torusData.Add(newItem);
data = torusData[torusData.Count - 1].Value;
int i, j, k;
double s, t, x, y, z, twopi;
twopi = 2.0 * (double)Math.PI;
for (i = 0; i < numc; i++) {
for (j = 0; j <= numt; j++) {
for (k = 1; k >= 0; k--) {
s = (i + k) % numc + 0.5;
t = j % numt;
x = (tubeRadius + ringRadius * Math.Cos(s * twopi / numc)) * Math.Cos(t * twopi / numt);
y = (tubeRadius + ringRadius * Math.Cos(s * twopi / numc)) * Math.Sin(t * twopi / numt);
z = ringRadius * Math.Sin(s * twopi / numc);
float[] n = { (float)x, (float)y, (float)z };
n = Normalize(n);
//GL.Normal3(n);
data.Add(n[0]);
data.Add(n[1]);
data.Add(n[2]);
//GL.Vertex3(x, y, z);
data.Add((float)x);
data.Add((float)y);
data.Add((float)z);
}
}
}
}
GL.Begin(PrimitiveType.QuadStrip);
int a = 0;
while (a < data.Count) {
GL.Normal3(data[a++], data[a++], data[a++]);
GL.Vertex3(data[a++], data[a++], data[a++]);
}
GL.End();
}
public static void Torus(float ringRadius = 0.2f, float tubeRadius = 0.8f, int numc = 6, int numt = 12)
{
List <float> data = null;
foreach (KeyValuePair <tshape, List <float> > kvp in torusData)
{
if (kvp.Key.rr == ringRadius && kvp.Key.tr == tubeRadius && kvp.Key.nc == numc && kvp.Key.nt == numt)
{
data = kvp.Value;
}
}
if (data == null)
{
tshape key = new tshape();
key.rr = ringRadius;
key.tr = tubeRadius;
key.nc = numc;
key.nt = numt;
KeyValuePair <tshape, List <float> > newItem = new KeyValuePair <tshape, List <float> >(key, new List <float>());
torusData.Add(newItem);
data = torusData[torusData.Count - 1].Value;
int i, j, k;
double s, t, x, y, z, twopi;
twopi = 2.0 * (double)Math.PI;
for (i = 0; i < numc; i++)
{
for (j = 0; j <= numt; j++)
{
for (k = 1; k >= 0; k--)
{
s = (i + k) % numc + 0.5;
t = j % numt;
x = (tubeRadius + ringRadius * Math.Cos(s * twopi / numc)) * Math.Cos(t * twopi / numt);
y = (tubeRadius + ringRadius * Math.Cos(s * twopi / numc)) * Math.Sin(t * twopi / numt);
z = ringRadius * Math.Sin(s * twopi / numc);
float[] n = { (float)x, (float)y, (float)z };
n = Normalize(n);
//GL.Normal3(n);
data.Add(n[0]);
data.Add(n[1]);
data.Add(n[2]);
//GL.Vertex3(x, y, z);
data.Add((float)x);
data.Add((float)y);
data.Add((float)z);
}
}
}
}
GL.Begin(PrimitiveType.QuadStrip);
int a = 0;
while (a < data.Count)
{
GL.Normal3(data[a++], data[a++], data[a++]);
GL.Vertex3(data[a++], data[a++], data[a++]);
}
GL.End();
}
