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annotate XCodeiPhoneOS/Demos/src/common.c @ 2993:2fad80c77c17

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Technically more correct
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2009 19:26:50 +0000
parents f55c87ae336b
children
rev   line source
2765
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1 /*
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2 * common.c
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3 * written by Holmes Futrell
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4 * use however you want
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5 */
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6
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7 #include "common.h"
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8 #include "SDL.h"
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9 #include <stdlib.h>
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10
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11 /*
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12 Produces a random int x, min <= x <= max
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13 following a uniform distribution
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14 */
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15 int
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16 randomInt(int min, int max)
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17 {
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18 return min + rand() % (max - min + 1);
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19 }
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20
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21 /*
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22 Produces a random float x, min <= x <= max
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23 following a uniform distribution
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24 */
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25 float
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26 randomFloat(float min, float max)
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27 {
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28 return rand() / (float) RAND_MAX *(max - min) + min;
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29 }
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30
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31 void
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32 fatalError(const char *string)
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33 {
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34 printf("%s: %s\n", string, SDL_GetError());
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35 exit(1);
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36 }