+void keyboard(unsigned char key, int x1, int y1) {\r
+ switch(key) {\r
+ case 'w':\r
+ z = z - 1;\r
+ break;\r
+ case 'a':\r
+ x = x - 1;\r
+ break;\r
+ case 's':\r
+ z = z + 1;\r
+ break;\r
+ case 'd':\r
+ x = x + 1;\r
+ break;\r
+ case 'q':\r
+ y = y + 1;\r
+ break;\r
+ case 'e':\r
+ y = y - 1;\r
+ break;\r
+ }\r
+ printf("Camera is now at (%f, %f, %f)\n", x, y, z);\r
+}\r
+\r