diff options
Diffstat (limited to 'servers/physics_2d/area_2d_sw.cpp')
| -rw-r--r-- | servers/physics_2d/area_2d_sw.cpp | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/servers/physics_2d/area_2d_sw.cpp b/servers/physics_2d/area_2d_sw.cpp index 532cb259b3..c85b1575e3 100644 --- a/servers/physics_2d/area_2d_sw.cpp +++ b/servers/physics_2d/area_2d_sw.cpp @@ -274,22 +274,31 @@ 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), moved_list(this) { _set_static(true); //areas are not active by default - space_override_mode = PhysicsServer2D::AREA_SPACE_OVERRIDE_DISABLED; - gravity = 9.80665; - gravity_vector = Vector2(0, -1); - gravity_is_point = false; - gravity_distance_scale = 0; - point_attenuation = 1; - - angular_damp = 1.0; - linear_damp = 0.1; - priority = 0; - monitorable = false; } Area2DSW::~Area2DSW() { |