Files used by all demos (random numbers, screen size, etc)

XCodeiPhoneOS/Demos/src/common.c

@@ -0,0 +1,29 @@
+/*
+ *	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);
+}

XCodeiPhoneOS/Demos/src/common.h

@@ -0,0 +1,12 @@
+/*
+ *	common.h
+ *	written by Holmes Futrell
+ *	use however you want
+ */
+
+#define SCREEN_WIDTH 320
+#define SCREEN_HEIGHT 480
+
+extern int randomInt(int min, int max);
+extern float randomFloat(float min, float max);
+extern void fatalError(const char *string);