add Random.hloek/random

1 files changed, 28 insertions, 0 deletions

diff --git a/game/Random.cpp b/game/Random.cpp
new file mode 100644
index 0000000..59be3c5
--- /dev/null
+++ b/game/Random.cpp
@@ -0,0 +1,28 @@
+#include <cstdlib>
+
+#include "Random.h"
+
+float Random::f(float upper, float lower) {
+	float range = upper - lower;
+	float x = ((float) rand() / (float) (RAND_MAX)) * range;
+	return x + lower;
+}
+
+double Random::d(double upper, double lower) {
+	double range = upper - lower;
+	double x = ((double) rand() / (double) (RAND_MAX)) * range;
+	return x + lower;
+}
+
+int Random::i(int upper, int lower) {
+	int range = upper - lower;
+	int x = rand() % range;
+	return x + lower;
+}
+
+unsigned Random::u(unsigned upper, unsigned lower) {
+	unsigned range = upper - lower;
+	unsigned x = rand() % range;
+	return x + lower;
+}
+