Merge pull request #108 from lonkaars/loek/random

add Random.h

3 files changed, 40 insertions, 1 deletions

diff --git a/game/CMakeLists.txt b/game/CMakeLists.txt
index 661e2bc..c8fa989 100644
--- a/game/CMakeLists.txt
+++ b/game/CMakeLists.txt
@@ -4,7 +4,6 @@ set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
 set(CMAKE_BUILD_TYPE Debug)
-
 project(game C CXX)
 
 add_subdirectory(../src crepe)
@@ -48,6 +47,7 @@ add_executable(main
 	hud/HudSubScene.cpp
 	hud/HudScript.cpp
 	hud/SpeedScript.cpp
+	Random.cpp
 )
 
 target_link_libraries(main PUBLIC crepe)
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;
+}
+
diff --git a/game/Random.h b/game/Random.h
new file mode 100644
index 0000000..cf05e87
--- /dev/null
+++ b/game/Random.h
@@ -0,0 +1,11 @@
+#pragma once
+
+class Random {
+public:
+	static float f(float upper = 1.0, float lower = 0.0);
+	static double d(double upper = 1.0, double lower = 0.0);
+	static int i(int upper, int lower = 0);
+	static unsigned u(unsigned upper, unsigned lower = 0);
+
+};
+