Function Vector4_new

engine/script/src/script_vmath.cpp:1105–1139

creates a new vector from its coordinates * * Creates a new vector with the components set to the * supplied values. * * @name vmath.vector4 * @param x [type:number] x coordinate * @param y [type:number] y coordinate * @param z [type:number] z coordinate * @param w [type:number] w coordinate * @return v [type:vector4] new vector * @examples

     * ```
     */
    static int Vector4_new(lua_State* L)
    {
        Vector4 v;
        // NOTE: The following comment is obsolete
        // "No empty constructor, since the value of w matters"
        // Don't understand why. Every component matters :-)
        // Empty constructor added.
        if (lua_gettop(L) == 0)
        {
            v = Vector4(0.0f, 0.0f, 0.0f, 0.0f);
        }
        else if (lua_gettop(L) == 1)
        {
            int type = lua_type(L, -1);
            if (type == LUA_TNUMBER)
            {
                float x = (float) lua_tonumber(L, -1);
                v = Vector4(x, x, x, x);
            }
            else
            {
                // If not number assume vector4
                v = *CheckVector4(L, -1);
            }
        }
        else
        {
            v.setX((float) luaL_checknumber(L, 1));
            v.setY((float) luaL_checknumber(L, 2));
            v.setZ((float) luaL_checknumber(L, 3));
            v.setW((float) luaL_checknumber(L, 4));
        }
        PushVector4(L, v);
        return 1;
    }

    /*# creates a new identity quaternion
     *