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examples: No need to explicitly seed the RNG at startup.

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SDL does this for you; explicit seeding is only for reproducing a specific
sequence of numbers (or maybe reseeding at a later point).
This commit is contained in:
Ryan C. Gordon 2024-09-26 15:01:04 -04:00
parent 671a33c2f7
commit 86ea283904
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GPG key ID: FA148B892AB48044
3 changed files with 0 additions and 6 deletions
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2
examples/renderer/02-primitives/primitives.c
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@ -29,8 +29,6 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE; return SDL_APP_FAILURE;
} }
SDL_srand(0); /* seed the random number generator */
/* set up some random points */ /* set up some random points */
for (i = 0; i < SDL_arraysize(points); i++) { for (i = 0; i < SDL_arraysize(points); i++) {
points[i].x = (SDL_randf() * 440.0f) + 100.0f; points[i].x = (SDL_randf() * 440.0f) + 100.0f;

2
examples/renderer/03-lines/lines.c
View file

@ -26,8 +26,6 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE; return SDL_APP_FAILURE;
} }
SDL_srand(0); /* seed the random number generator */
return SDL_APP_CONTINUE; /* carry on with the program! */ return SDL_APP_CONTINUE; /* carry on with the program! */
} }

2
examples/renderer/04-points/points.c
View file

@ -46,8 +46,6 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE; return SDL_APP_FAILURE;
} }
SDL_srand(0); /* seed the random number generator */
/* set up the data for a bunch of points. */ /* set up the data for a bunch of points. */
for (i = 0; i < SDL_arraysize(points); i++) { for (i = 0; i < SDL_arraysize(points); i++) {
points[i].x = SDL_randf() * ((float) WINDOW_WIDTH); points[i].x = SDL_randf() * ((float) WINDOW_WIDTH);