public void DrawCylinder(float topRadius, float bottomRadius, float halfHeight, int upAxis, ref IndexedMatrix matrix, ref IndexedMatrix view, ref IndexedMatrix projection, ref IndexedVector3 color)
{
IndexedVector3 scale = new IndexedVector3(topRadius, halfHeight, bottomRadius);
IndexedMatrix rotate = IndexedMatrix.Identity;
if (upAxis == 0)
{
rotate = IndexedMatrix.CreateRotationZ(MathUtil.SIMD_HALF_PI);
}
if (upAxis == 1)
{
rotate = IndexedMatrix.CreateRotationY(MathUtil.SIMD_HALF_PI);
}
else if (upAxis == 2)
{
rotate = IndexedMatrix.CreateRotationX(MathUtil.SIMD_HALF_PI);
}
IndexedMatrix copy = matrix;
copy._origin = IndexedVector3.Zero;
copy = copy * rotate;
copy._origin = matrix._origin;
ModelScalingData modelScalingData = new ModelScalingData(m_cylinderModel, scale, copy);
modelScalingData.color = color;
m_modelScalingData.Add(modelScalingData);
}