/**************************************************************************/ /* capsule_shape_2d.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* 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 */ /* 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 "capsule_shape_2d.h" #include "core/math/geometry_2d.h" #include "servers/physics_server_2d.h" #include "servers/rendering_server.h" Vector<Vector2> CapsuleShape2D::_get_points() const { Vector<Vector2> points; const real_t turn_step = Math_TAU / 24.0; for (int i = 0; i < 24; i++) { Vector2 ofs = Vector2(0, (i > 6 && i <= 18) ? -height * 0.5 + radius : height * 0.5 - radius); points.push_back(Vector2(Math::sin(i * turn_step), Math::cos(i * turn_step)) * radius + ofs); if (i == 6 || i == 18) { points.push_back(Vector2(Math::sin(i * turn_step), Math::cos(i * turn_step)) * radius - ofs); } } return points; } bool CapsuleShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { return Geometry2D::is_point_in_polygon(p_point, _get_points()); } void CapsuleShape2D::_update_shape() { PhysicsServer2D::get_singleton()->shape_set_data(get_rid(), Vector2(radius, height)); emit_changed(); } void CapsuleShape2D::set_radius(real_t p_radius) { ERR_FAIL_COND_MSG(p_radius < 0, "CapsuleShape2D radius cannot be negative."); radius = p_radius; if (radius > height * 0.5) { height = radius * 2.0; } _update_shape(); } real_t CapsuleShape2D::get_radius() const { return radius; } void CapsuleShape2D::set_height(real_t p_height) { ERR_FAIL_COND_MSG(p_height < 0, "CapsuleShape2D height cannot be negative."); height = p_height; if (radius > height * 0.5) { radius = height * 0.5; } _update_shape(); } real_t CapsuleShape2D::get_height() const { return height; } void CapsuleShape2D::draw(const RID &p_to_rid, const Color &p_color) { Vector<Vector2> points = _get_points(); Vector<Color> col = { p_color }; RenderingServer::get_singleton()->canvas_item_add_polygon(p_to_rid, points, col); if (is_collision_outline_enabled()) { points.push_back(points[0]); col = { Color(p_color, 1.0) }; RenderingServer::get_singleton()->canvas_item_add_polyline(p_to_rid, points, col); } } Rect2 CapsuleShape2D::get_rect() const { const Vector2 half_size = Vector2(radius, height * 0.5); return Rect2(-half_size, half_size * 2.0); } real_t CapsuleShape2D::get_enclosing_radius() const { return height * 0.5; } void CapsuleShape2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_radius", "radius"), &CapsuleShape2D::set_radius); ClassDB::bind_method(D_METHOD("get_radius"), &CapsuleShape2D::get_radius); ClassDB::bind_method(D_METHOD("set_height", "height"), &CapsuleShape2D::set_height); ClassDB::bind_method(D_METHOD("get_height"), &CapsuleShape2D::get_height); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater,suffix:px"), "set_radius", "get_radius"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater,suffix:px"), "set_height", "get_height"); ADD_LINKED_PROPERTY("radius", "height"); ADD_LINKED_PROPERTY("height", "radius"); } CapsuleShape2D::CapsuleShape2D() : Shape2D(PhysicsServer2D::get_singleton()->capsule_shape_create()) { _update_shape(); }