/**************************************************************************/
/* segment_shape_2d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
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/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* The above copyright notice and this permission notice shall be */
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/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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#include "segment_shape_2d.h"
#include "core/math/geometry_2d.h"
#include "servers/physics_server_2d.h"
#include "servers/rendering_server.h"
bool SegmentShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
Vector2 l[2] = { a, b };
Vector2 closest = Geometry2D::get_closest_point_to_segment(p_point, l);
return p_point.distance_to(closest) < p_tolerance;
}
void SegmentShape2D::_update_shape() {
Rect2 r;
r.position = a;
r.size = b;
PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), r);
emit_changed();
}
void SegmentShape2D::set_a(const Vector2 &p_a) {
a = p_a;
_update_shape();
}
Vector2 SegmentShape2D::get_a() const {
return a;
}
void SegmentShape2D::set_b(const Vector2 &p_b) {
b = p_b;
_update_shape();
}
Vector2 SegmentShape2D::get_b() const {
return b;
}
void SegmentShape2D::draw(const RID &p_to_rid, const Color &p_color) {
RenderingServer::get_singleton()->canvas_item_add_line(p_to_rid, a, b, p_color, 3);
}
Rect2 SegmentShape2D::get_rect() const {
Rect2 rect;
rect.position = a;
rect.expand_to(b);
return rect;
}
real_t SegmentShape2D::get_enclosing_radius() const {
return (a + b).length();
}
void SegmentShape2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_a", "a"), &SegmentShape2D::set_a);
ClassDB::bind_method(D_METHOD("get_a"), &SegmentShape2D::get_a);
ClassDB::bind_method(D_METHOD("set_b", "b"), &SegmentShape2D::set_b);
ClassDB::bind_method(D_METHOD("get_b"), &SegmentShape2D::get_b);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "a", PROPERTY_HINT_NONE, "suffix:px"), "set_a", "get_a");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "b", PROPERTY_HINT_NONE, "suffix:px"), "set_b", "get_b");
}
SegmentShape2D::SegmentShape2D() :
Shape2D(PhysicsServer2D::get_singleton()->segment_shape_create()) {
a = Vector2();<--- Variable 'a' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'a' a value by passing the value to the constructor in the initialization list.
b = Vector2(0, 10);
_update_shape();
}