static int vector3_crossproduct (lua_State *L)
{
Vector3 *v1 = (Vector3*)lua_touserdata(L, 1);
Vector3 *v2 = (Vector3*)lua_touserdata(L, 2);
push_vector3(L, v1->CrossProduct(*v2));
return 1;
}
static int vector3_div (lua_State *L)
{
Vector3 *v = (Vector3*)lua_touserdata(L, 1);
float s = luaL_checknumber(L, 2);
push_vector3(L, (*v)/s);
return 1;
}
static int vector3_sub (lua_State *L)
{
Vector3 *v1 = (Vector3*)lua_touserdata(L, 1);
Vector3 *v2 = (Vector3*)lua_touserdata(L, 2);
push_vector3(L, (*v1)-(*v2));
return 1;
}
void LuaStack::push_vector2(const Vector2& v)
{
Vector3 a;
a.x = v.x;
a.y = v.y;
a.z = 0.0f;
push_vector3(a);
}
/* Constructor and methods
* */
static int vector3_new(lua_State *L)
{
Vector3 v;
if (lua_gettop(L)==3) {
v.x = luaL_checknumber(L, 1);
v.y = luaL_checknumber(L, 2);
v.z = luaL_checknumber(L, 3);
}
else if (lua_gettop(L)==1) {
Vector3 o = check_vector3(L, 1);
v = o;
}
push_vector3(L, v);
return 1;
}
static int vector3_getnormalized (lua_State *L)
{
Vector3 *v1 = (Vector3*)lua_touserdata(L, 1);
push_vector3(L, v1->GetNormalized());
return 1;
}
static int vector3_unm (lua_State *L)
{
Vector3 *v = (Vector3*)lua_touserdata(L, 1);
push_vector3(L, -(*v));
return 1;
}
