1 files changed, 27 insertions, 0 deletions
diff --git a/09-september/tomcat/util/util.h b/09-september/tomcat/util/util.h
new file mode 100644
index 0000000..f09f7cb
--- /dev/null
+++ b/09-september/tomcat/util/util.h
@@ -0,0 +1,27 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include "../math/matrix4x4.h"
+
+#define toRadians(degrees) (degrees * 3.1415926 / 180.0f)
+#define toDegrees(radians) (radians * 180.0f / 3.1415926)
+
+#ifdef DEBUG
+#include <stdio.h>
+#define myAssert(expr) expr ? 1==1 : fprintf(stderr, "The expresion was not true\n")
+#else
+#define myAssert(expr)
+#endif // DEBUG
+
+extern unsigned int Util_Hash( const char *str );
+extern void Util_FatalError( const char* fmt, ... );
+extern void Util_CheckGLError();
+extern char* Util_LoadFile( const char* path );
+extern float Util_RandomF(float min, float max);
+extern int Util_RandomI(int min, int max);
+
+extern Vec3
+Util_GetMouseRay(int screenWidth, int screenHeigth, Mat4 *viewMatrix, Mat4 *projectionMatrix,
+                 int mouseX, int mouseY);
+
+#endif // UTIL_H