🎉 Added files

raydium/random.c

@@ -0,0 +1,54 @@
+/*
+    Raydium - CQFD Corp.
+    http://raydium.org/
+    License: GPL - GNU General Public License, see "gpl.txt" file.
+*/
+
+#ifndef DONT_INCLUDE_HEADERS
+#include "index.h"
+#else
+#include "headers/random.h"
+#endif 
+
+void raydium_random_randomize(void)
+{
+srand(time(NULL));
+}
+
+GLfloat raydium_random_pos_1(void)
+{
+return (GLfloat) rand() / (GLfloat) RAND_MAX;
+}
+
+/* de -1.0 a 1.0 */
+GLfloat raydium_random_neg_pos_1(void)
+{
+return (2.f * raydium_random_pos_1()) - 1.f;
+}
+
+GLfloat raydium_random_0_x(GLfloat i)
+{
+return(raydium_random_pos_1() * i);
+}
+
+GLfloat raydium_random_f(GLfloat min, GLfloat max)
+{
+return( (raydium_random_pos_1() * (max-min)) + min);
+}
+
+int raydium_random_i(int min, int max)
+{
+return (rand()%(max-min+1))+min;
+}
+
+
+signed char raydium_random_proba(GLfloat proba)
+{
+GLfloat min;
+GLfloat max;
+
+max=2*proba;
+min=max-2;
+
+return raydium_random_f(min,max)>=0;
+}