public ExtrusionPath()
{
for (int i = 0; i < MaxSteps; i++)
{
transforms[i] = GLMatrix4D.Identity();
}
}
public static void ApplyRotToGLMatrix4d(ref GLMatrix4D matrix, Rot rot)
{
double fRotAngle = 0;
Vector3 vAxis = new Vector3();
mvMath.Rot2AxisAngle(ref vAxis, ref fRotAngle, rot);
matrix.applyRotate((float)(fRotAngle / mvMath.PiOver180), (float)vAxis.x, (float)vAxis.y, (float)vAxis.z);
}
public override void UpdatePath()
{
iNumberOfTransforms = iLevelOfDetail;
int i;
double fRatio;
for (i = 0; i < iNumberOfTransforms; i++)
{
fRatio = (double)i / (double)(iNumberOfTransforms - 1);
transforms[i] = GLMatrix4D.Identity();
transforms[i].ApplyTranslation(fRatio * fShear, 0, fRatio - 0.5);
transforms[i].ApplyScale(1 + fRatio * (fTopSizeX - 1), 1 + fRatio * (fTopSizeY - 1), 1);
transforms[i].applyRotate(fRatio * (double)iTwist, 0, 0, 1);
}
}