Graphics assignment 10

Added one last piece of comment

graphics/ass10/geometry.c

@@ -165,6 +165,10 @@ createCylinder(polys * list, double radius, double height,
     double  len;
     poly    p;
     int     i;
+
+	// Calculate the vertical component of the texture coordinate, take the
+	// radius of the cylinder into account while doing this to prevent
+	// stretching
 	GLfloat	tex_height = (GLfloat)(height / (2 * M_PI * radius));
 
     // prepare poly datastructure, as these values are the same for all generated polys
@@ -198,7 +202,7 @@ createCylinder(polys * list, double radius, double height,
             p.normal[i].x /= len;
             p.normal[i].z /= len;
 
-            // Set texture coordinate/ 
+            // Set texture coordinate 
             p.tcoord[i].x = (i < 2 ? longitude : longitude+10) / 360.0;
 			p.tcoord[i].y = (i == 1 || i == 2) ? tex_height : 0.0;
         }