Index: ode.c
===================================================================
--- ode.c	(revision 431)
+++ ode.c	(revision 432)
@@ -206,7 +206,20 @@
 raydium_log("physics: OK");
 }
 
+void raydium_ode_gravity(dReal *vect)
+{
+dWorldSetGravity(raydium_ode_world,vect[0],vect[1],vect[2]);
+}
 
+void raydium_ode_gravity_3f(dReal gx, dReal gy, dReal gz)
+{
+dReal vect[3];
+vect[0]=gx;
+vect[1]=gy;
+vect[2]=gz;
+raydium_ode_gravity(vect);
+}
+
 signed char raydium_ode_object_isvalid(int i)
 {
 if(i>=0 && i<RAYDIUM_ODE_MAX_OBJECTS &&