mulMatrix(mat);
glTranslatef(0.0f, 0.0f, -halfHeight);
break;
case 1:
//glRotatef(-90.0f, 1.0f, 0.0f, 0.0f);
mat.rotX((float)Math.PI * -0.5f);
mulMatrix(mat);
glTranslatef(0.0f, 0.0f, -halfHeight);
break;
case 2:
glTranslatef(0.0f, 0.0f, -halfHeight);