diff --git a/scene/2d/light_occluder_2d.cpp b/scene/2d/light_occluder_2d.cpp index ab15b499859..c421afcd1ab 100644 --- a/scene/2d/light_occluder_2d.cpp +++ b/scene/2d/light_occluder_2d.cpp @@ -32,9 +32,59 @@ #include "core/engine.h" +#define LINE_GRAB_WIDTH 8 +Rect2 OccluderPolygon2D::_edit_get_rect() const { + + if (rect_cache_dirty) { + if (closed) { + PoolVector::Read r = polygon.read(); + item_rect = Rect2(); + for (int i = 0; i < polygon.size(); i++) { + Vector2 pos = r[i]; + if (i == 0) + item_rect.position = pos; + else + item_rect.expand_to(pos); + } + rect_cache_dirty = false; + } else { + if (polygon.size() == 0) { + item_rect = Rect2(); + } else { + Vector2 d = Vector2(LINE_GRAB_WIDTH, LINE_GRAB_WIDTH); + item_rect = Rect2(polygon[0] - d, 2 * d); + for (int i = 1; i < polygon.size(); i++) { + item_rect.expand_to(polygon[i] - d); + item_rect.expand_to(polygon[i] + d); + } + } + } + } + + return item_rect; +} + +bool OccluderPolygon2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { + + if (closed) { + return Geometry::is_point_in_polygon(p_point, Variant(polygon)); + } else { + const real_t d = LINE_GRAB_WIDTH / 2 + p_tolerance; + PoolVector::Read points = polygon.read(); + for (int i = 0; i < polygon.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 OccluderPolygon2D::set_polygon(const PoolVector &p_polygon) { polygon = p_polygon; + rect_cache_dirty = true; VS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, p_polygon, closed); emit_changed(); } @@ -100,6 +150,7 @@ OccluderPolygon2D::OccluderPolygon2D() { occ_polygon = VS::get_singleton()->canvas_occluder_polygon_create(); closed = true; cull = CULL_DISABLED; + rect_cache_dirty = true; } OccluderPolygon2D::~OccluderPolygon2D() { @@ -164,6 +215,16 @@ void LightOccluder2D::_notification(int p_what) { } } +Rect2 LightOccluder2D::_edit_get_rect() const { + + return occluder_polygon.is_valid() ? occluder_polygon->_edit_get_rect() : Rect2(); +} + +bool LightOccluder2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { + + return occluder_polygon.is_valid() ? occluder_polygon->_edit_is_selected_on_click(p_point, p_tolerance) : false; +} + void LightOccluder2D::set_occluder_polygon(const Ref &p_polygon) { #ifdef DEBUG_ENABLED diff --git a/scene/2d/light_occluder_2d.h b/scene/2d/light_occluder_2d.h index d59c9100b05..3bcd0de1dbd 100644 --- a/scene/2d/light_occluder_2d.h +++ b/scene/2d/light_occluder_2d.h @@ -50,10 +50,16 @@ private: bool closed; CullMode cull; + mutable Rect2 item_rect; + mutable bool rect_cache_dirty; + protected: static void _bind_methods(); public: + virtual Rect2 _edit_get_rect() const; + virtual bool _edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const; + void set_polygon(const PoolVector &p_polygon); PoolVector get_polygon() const; @@ -85,6 +91,9 @@ protected: static void _bind_methods(); public: + virtual Rect2 _edit_get_rect() const; + virtual bool _edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const; + void set_occluder_polygon(const Ref &p_polygon); Ref get_occluder_polygon() const;