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Diffstat (limited to 'scene/resources/line_shape_2d.cpp')
| -rw-r--r-- | scene/resources/line_shape_2d.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/scene/resources/line_shape_2d.cpp b/scene/resources/line_shape_2d.cpp new file mode 100644 index 0000000000..f5d5fb561a --- /dev/null +++ b/scene/resources/line_shape_2d.cpp @@ -0,0 +1,121 @@ +/*************************************************************************/ +/* line_shape_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 "line_shape_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(); +} |