diff options
Diffstat (limited to 'scene/2d/physics_body_2d.cpp')
| -rw-r--r-- | scene/2d/physics_body_2d.cpp | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp index 8758ffef9f..02213e07d0 100644 --- a/scene/2d/physics_body_2d.cpp +++ b/scene/2d/physics_body_2d.cpp @@ -1207,7 +1207,7 @@ bool KinematicBody2D::move_and_collide(const Vector2 &p_motion, bool p_infinite_ //so, if you pass 45 as limit, avoid numerical precision erros when angle is 45. #define FLOOR_ANGLE_THRESHOLD 0.01 -Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const Vector2 &p_floor_direction, bool p_infinite_inertia, float p_slope_stop_min_velocity, int p_max_slides, float p_floor_max_angle) { +Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const Vector2 &p_floor_direction, bool p_infinite_inertia, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle) { Vector2 floor_motion = floor_velocity; if (on_floor && on_floor_body.is_valid()) { @@ -1228,6 +1228,8 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const colliders.clear(); floor_velocity = Vector2(); + Vector2 lv_n = p_linear_velocity.normalized(); + while (p_max_slides) { Collision collision; @@ -1254,8 +1256,10 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const if (collided) { + colliders.push_back(collision); motion = collision.remainder; + bool is_on_slope = false; if (p_floor_direction == Vector2()) { //all is a wall on_wall = true; @@ -1266,15 +1270,17 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const on_floor_body = collision.collider_rid; floor_velocity = collision.collider_vel; - Vector2 rel_v = lv - floor_velocity; - Vector2 hv = rel_v - p_floor_direction * p_floor_direction.dot(rel_v); - - if (collision.travel.length() < 1 && hv.length() < p_slope_stop_min_velocity) { - Transform2D gt = get_global_transform(); - gt.elements[2] -= collision.travel; - set_global_transform(gt); - return Vector2(); + if (p_stop_on_slope) { + if (Vector2() == lv_n + p_floor_direction) { + Transform2D gt = get_global_transform(); + gt.elements[2] -= collision.travel; + set_global_transform(gt); + return Vector2(); + } } + + is_on_slope = true; + } else if (collision.normal.dot(-p_floor_direction) >= Math::cos(p_floor_max_angle + FLOOR_ANGLE_THRESHOLD)) { //ceiling on_ceiling = true; } else { @@ -1282,12 +1288,18 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const } } - Vector2 n = collision.normal; - motion = motion.slide(n); - lv = lv.slide(n); - - colliders.push_back(collision); + if (p_stop_on_slope && is_on_slope) { + motion = motion.slide(p_floor_direction); + lv = lv.slide(p_floor_direction); + } else { + Vector2 n = collision.normal; + motion = motion.slide(n); + lv = lv.slide(n); + } } + + if (p_stop_on_slope) + break; } if (!found_collision) { @@ -1301,11 +1313,11 @@ Vector2 KinematicBody2D::move_and_slide(const Vector2 &p_linear_velocity, const return lv; } -Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_floor_direction, bool p_infinite_inertia, float p_slope_stop_min_velocity, int p_max_slides, float p_floor_max_angle) { +Vector2 KinematicBody2D::move_and_slide_with_snap(const Vector2 &p_linear_velocity, const Vector2 &p_snap, const Vector2 &p_floor_direction, bool p_infinite_inertia, bool p_stop_on_slope, int p_max_slides, float p_floor_max_angle) { bool was_on_floor = on_floor; - Vector2 ret = move_and_slide(p_linear_velocity, p_floor_direction, p_infinite_inertia, p_slope_stop_min_velocity, p_max_slides, p_floor_max_angle); + Vector2 ret = move_and_slide(p_linear_velocity, p_floor_direction, p_infinite_inertia, p_stop_on_slope, p_max_slides, p_floor_max_angle); if (!was_on_floor || p_snap == Vector2()) { return ret; } @@ -1439,8 +1451,8 @@ void KinematicBody2D::_notification(int p_what) { void KinematicBody2D::_bind_methods() { ClassDB::bind_method(D_METHOD("move_and_collide", "rel_vec", "infinite_inertia", "exclude_raycast_shapes", "test_only"), &KinematicBody2D::_move, DEFVAL(true), DEFVAL(true), DEFVAL(false)); - ClassDB::bind_method(D_METHOD("move_and_slide", "linear_velocity", "floor_normal", "infinite_inertia", "slope_stop_min_velocity", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(5), DEFVAL(4), DEFVAL(Math::deg2rad((float)45))); - ClassDB::bind_method(D_METHOD("move_and_slide_with_snap", "linear_velocity", "snap", "floor_normal", "infinite_inertia", "slope_stop_min_velocity", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide_with_snap, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(5), DEFVAL(4), DEFVAL(Math::deg2rad((float)45))); + ClassDB::bind_method(D_METHOD("move_and_slide", "linear_velocity", "floor_normal", "infinite_inertia", "stop_on_slope", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(false), DEFVAL(4), DEFVAL(Math::deg2rad((float)45))); + ClassDB::bind_method(D_METHOD("move_and_slide_with_snap", "linear_velocity", "snap", "floor_normal", "infinite_inertia", "stop_on_slope", "max_bounces", "floor_max_angle"), &KinematicBody2D::move_and_slide_with_snap, DEFVAL(Vector2(0, 0)), DEFVAL(true), DEFVAL(false), DEFVAL(4), DEFVAL(Math::deg2rad((float)45))); ClassDB::bind_method(D_METHOD("test_move", "from", "rel_vec", "infinite_inertia"), &KinematicBody2D::test_move); |