diff options
Diffstat (limited to 'servers/physics_2d/area_2d_sw.cpp')
| -rw-r--r-- | servers/physics_2d/area_2d_sw.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/servers/physics_2d/area_2d_sw.cpp b/servers/physics_2d/area_2d_sw.cpp index 532cb259b3..663a47f273 100644 --- a/servers/physics_2d/area_2d_sw.cpp +++ b/servers/physics_2d/area_2d_sw.cpp @@ -274,6 +274,26 @@ void Area2DSW::call_queries() { } } +void Area2DSW::compute_gravity(const Vector2 &p_position, Vector2 &r_gravity) const { + if (is_gravity_point()) { + const real_t gravity_distance_scale = get_gravity_distance_scale(); + Vector2 v = get_transform().xform(get_gravity_vector()) - p_position; + if (gravity_distance_scale > 0) { + const real_t v_length = v.length(); + if (v_length > 0) { + const real_t v_scaled = v_length * gravity_distance_scale; + r_gravity = (v.normalized() * (get_gravity() / (v_scaled * v_scaled))); + } else { + r_gravity = Vector2(); + } + } else { + r_gravity = v.normalized() * get_gravity(); + } + } else { + r_gravity = get_gravity_vector() * get_gravity(); + } +} + Area2DSW::Area2DSW() : CollisionObject2DSW(TYPE_AREA), monitor_query_list(this), |