Quat lua lightweight binds

game/lua/quat.lua

@@ -0,0 +1,31 @@
+require("vec3")
+
+local ffi = require("ffi")
+
+ffi.cdef
+[[
+	typedef struct
+	{
+		Vec3  v;
+		float w;
+
+	} Quat;
+
+	Quat*		quat(float angle, const Vec3* v);
+
+	void		quat_negate(Quat* self);
+
+	void		quat_load_identity(Quat* self);
+
+	float		quat_length(Quat* self);	
+
+	void		quat_conjugate(Quat* self);
+
+	Quat*		quat_inverse(Quat* self);			
+
+	Quat*		quat_cross(Quat* self, const Quat* b);
+
+	Quat*		quat_multiply(Quat* self, const float& k);
+
+	Quat*		quat_power(Quat* self, float exp);
+]]