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author | Matt Turner <mattst88@gmail.com> | 2008-03-01 19:37:00 +0000 |
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committer | Matt Turner <mattst88@gmail.com> | 2008-03-01 19:37:00 +0000 |
commit | a8921d2baf7fe632839ec4c1a6f55db9c78f1c1c (patch) | |
tree | 145b9cd15e2770bedfb274708885511969813b31 /fps.c | |
parent | 8490c68f5d3fbb4d3e0030467dd785beca10c3f1 (diff) |
Move frames per second stuff into separate files
git-svn-id: svn://mattst88.com/svn/glpong/trunk@14 449aeecc-241a-0410-943f-e2f883e2d7a2
Diffstat (limited to 'fps.c')
-rw-r--r-- | fps.c | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -0,0 +1,27 @@ +#include <time.h> + +#include "SDL.h" +#include "SDL_opengl.h" + +#include "text.h" +#include "fps.h" + +static clock_t start; +static GLfloat fps; + +void +GLPong_FPSInit() { + start = SDL_GetTicks(); +} + +void +GLPong_FPSCount() { + // 10.0f is the number of frames we let draw before calculating FPS + fps = 10.0f / (SDL_GetTicks() - start) * 1000; // 1 sec / 1 millisec == 1000 + start = SDL_GetTicks(); +} + +void +GLPong_FPSPrint() { + printf("%.2f frames per second\n", fps); +} |