view Xcode-iPhoneOS/Demos/src/common.c @ 5172:ededa1ccf91c

Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 21:13:55 -0800
parents 20326ba2bda2
children
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/*
 *	common.c
 *	written by Holmes Futrell
 *	use however you want
 */

#include "common.h"
#include "SDL.h"
#include <stdlib.h>

/*
	Produces a random int x, min <= x <= max 
	following a uniform distribution
*/
int
randomInt(int min, int max)
{
    return min + rand() % (max - min + 1);
}

/*
	Produces a random float x, min <= x <= max 
	following a uniform distribution
 */
float
randomFloat(float min, float max)
{
    return rand() / (float) RAND_MAX *(max - min) + min;
}

void
fatalError(const char *string)
{
    printf("%s: %s\n", string, SDL_GetError());
    exit(1);
}