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/*************************************************************************/
/* shape_line_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "shape_line_2d.h"
#include "servers/physics_2d_server.h"
#include "servers/visual_server.h"
bool LineShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
Vector2 point = get_d() * get_normal();
Vector2 l[2][2] = { { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 }, { point, point + get_normal() * 30 } };
for (int i = 0; i < 2; i++) {
Vector2 closest = Geometry::get_closest_point_to_segment_2d(p_point, l[i]);
if (p_point.distance_to(closest) < p_tolerance)
return true;
}
return false;
}
void LineShape2D::_update_shape() {
Array arr;
arr.push_back(normal);
arr.push_back(d);
Physics2DServer::get_singleton()->shape_set_data(get_rid(), arr);
emit_changed();
}
void LineShape2D::set_normal(const Vector2 &p_normal) {
normal = p_normal;
_update_shape();
}
void LineShape2D::set_d(real_t p_d) {
d = p_d;
_update_shape();
}
Vector2 LineShape2D::get_normal() const {
return normal;
}
real_t LineShape2D::get_d() const {
return d;
}
void LineShape2D::draw(const RID &p_to_rid, const Color &p_color) {
Vector2 point = get_d() * get_normal();
Vector2 l1[2] = { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 };
VS::get_singleton()->canvas_item_add_line(p_to_rid, l1[0], l1[1], p_color, 3);
Vector2 l2[2] = { point, point + get_normal() * 30 };
VS::get_singleton()->canvas_item_add_line(p_to_rid, l2[0], l2[1], p_color, 3);
}
Rect2 LineShape2D::get_rect() const {
Vector2 point = get_d() * get_normal();
Vector2 l1[2] = { point - get_normal().tangent() * 100, point + get_normal().tangent() * 100 };
Vector2 l2[2] = { point, point + get_normal() * 30 };
Rect2 rect;
rect.position = l1[0];
rect.expand_to(l1[1]);
rect.expand_to(l2[0]);
rect.expand_to(l2[1]);
return rect;
}
void LineShape2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_normal", "normal"), &LineShape2D::set_normal);
ClassDB::bind_method(D_METHOD("get_normal"), &LineShape2D::get_normal);
ClassDB::bind_method(D_METHOD("set_d", "d"), &LineShape2D::set_d);
ClassDB::bind_method(D_METHOD("get_d"), &LineShape2D::get_d);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "normal"), "set_normal", "get_normal");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "d"), "set_d", "get_d");
}
LineShape2D::LineShape2D() :
Shape2D(Physics2DServer::get_singleton()->line_shape_create()) {
normal = Vector2(0, -1);
d = 0;
_update_shape();
}
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