diff options
Diffstat (limited to 'scene/2d/line_2d.cpp')
| -rw-r--r-- | scene/2d/line_2d.cpp | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/scene/2d/line_2d.cpp b/scene/2d/line_2d.cpp index 57a0e15447..abc80216d4 100644 --- a/scene/2d/line_2d.cpp +++ b/scene/2d/line_2d.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -48,6 +48,32 @@ Line2D::Line2D() : _round_precision = 8; } +Rect2 Line2D::_edit_get_rect() const { + + if (_points.size() == 0) + return Rect2(0, 0, 0, 0); + Vector2 d = Vector2(_width, _width); + Rect2 aabb = Rect2(_points[0] - d, 2 * d); + for (int i = 1; i < _points.size(); i++) { + aabb.expand_to(_points[i] - d); + aabb.expand_to(_points[i] + d); + } + return aabb; +} + +bool Line2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { + + const real_t d = _width / 2 + p_tolerance; + PoolVector<Vector2>::Read points = _points.read(); + for (int i = 0; i < _points.size() - 1; i++) { + Vector2 p = Geometry::get_closest_point_to_segment_2d(p_point, &points[i]); + if (p.distance_to(p_point) <= d) + return true; + } + + return false; +} + void Line2D::set_points(const PoolVector<Vector2> &p_points) { _points = p_points; update(); |