1 parent 9fa68de commit 23ce9e0Copy full SHA for 23ce9e0
1 file changed
00_Introduction.md
@@ -38,7 +38,7 @@ tutorial:
38
39
This tutorial will not assume knowledge of OpenGL or Direct3D concepts, but it
40
does require you to know the basics of 3D computer graphics. It will not explain
41
-the math behind perspective projection, for example. See [this online book](http://opengl.datenwolf.net/gltut/html/index.html)
+the math behind perspective projection, for example. See [this online book](https://www.docdroid.net/UKocmTz/arcsynthesis.pdf.html)
42
for a great introduction of computer graphics concepts.
43
44
You can use C instead of C++ if you want, but you will have to use a different
0 commit comments