Mercurial > sdl-ios-xcode

annotate Xcode-iPhoneOS/Demos/src/common.c @ 4583:5c925d4f220f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
X11_DrawRects now uses a very hacky way of drawing rectangles with XRender. This will be improved in some time.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Tue, 08 Jun 2010 19:26:32 +0530
parents 20326ba2bda2
children
rev   line source
3277
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 * common.c
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 * written by Holmes Futrell
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4 * use however you want
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 */
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 #include "common.h"
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 #include "SDL.h"
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9 #include <stdlib.h>
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 /*
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 Produces a random int x, min <= x <= max
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 following a uniform distribution
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14 */
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 int
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 randomInt(int min, int max)
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 {
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18 return min + rand() % (max - min + 1);
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 }
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 /*
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22 Produces a random float x, min <= x <= max
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23 following a uniform distribution
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 */
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 float
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26 randomFloat(float min, float max)
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27 {
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28 return rand() / (float) RAND_MAX *(max - min) + min;
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29 }
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 void
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 fatalError(const char *string)
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 {
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 printf("%s: %s\n", string, SDL_GetError());
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 exit(1);
20326ba2bda2 This name inconsistency has been bugging me for a while...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 }