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258 lines
8.7 KiB
C++
258 lines
8.7 KiB
C++
/*************************************************************************/
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/* collision_shape_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "collision_shape_2d.h"
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#include "collision_object_2d.h"
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#include "core/engine.h"
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#include "scene/resources/capsule_shape_2d.h"
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#include "scene/resources/circle_shape_2d.h"
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#include "scene/resources/concave_polygon_shape_2d.h"
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#include "scene/resources/convex_polygon_shape_2d.h"
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#include "scene/resources/line_shape_2d.h"
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#include "scene/resources/rectangle_shape_2d.h"
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#include "scene/resources/segment_shape_2d.h"
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void CollisionShape2D::_shape_changed() {
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update();
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}
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void CollisionShape2D::_update_in_shape_owner(bool p_xform_only) {
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parent->shape_owner_set_transform(owner_id, get_transform());
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if (p_xform_only)
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return;
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parent->shape_owner_set_disabled(owner_id, disabled);
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parent->shape_owner_set_one_way_collision(owner_id, one_way_collision);
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parent->shape_owner_set_one_way_collision_margin(owner_id, one_way_collision_margin);
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}
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void CollisionShape2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_PARENTED: {
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parent = Object::cast_to<CollisionObject2D>(get_parent());
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if (parent) {
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owner_id = parent->create_shape_owner(this);
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if (shape.is_valid()) {
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parent->shape_owner_add_shape(owner_id, shape);
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}
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_update_in_shape_owner();
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}
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/*if (Engine::get_singleton()->is_editor_hint()) {
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//display above all else
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set_z_as_relative(false);
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set_z_index(VS::CANVAS_ITEM_Z_MAX - 1);
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}*/
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} break;
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case NOTIFICATION_ENTER_TREE: {
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if (parent) {
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_update_in_shape_owner();
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}
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} break;
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case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
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if (parent) {
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_update_in_shape_owner(true);
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}
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} break;
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case NOTIFICATION_UNPARENTED: {
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if (parent) {
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parent->remove_shape_owner(owner_id);
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}
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owner_id = 0;
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parent = NULL;
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} break;
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case NOTIFICATION_DRAW: {
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if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
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break;
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}
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if (!shape.is_valid()) {
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break;
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}
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rect = Rect2();
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Color draw_col = get_tree()->get_debug_collisions_color();
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if (disabled) {
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float g = draw_col.get_v();
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draw_col.r = g;
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draw_col.g = g;
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draw_col.b = g;
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}
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shape->draw(get_canvas_item(), draw_col);
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rect = shape->get_rect();
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rect = rect.grow(3);
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if (one_way_collision) {
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// Draw an arrow indicating the one-way collision direction
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draw_col = get_tree()->get_debug_collisions_color().inverted();
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if (disabled) {
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draw_col = draw_col.darkened(0.25);
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}
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Vector2 line_to(0, 20);
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draw_line(Vector2(), line_to, draw_col, 2, true);
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Vector<Vector2> pts;
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float tsize = 8;
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pts.push_back(line_to + (Vector2(0, tsize)));
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pts.push_back(line_to + (Vector2(Math_SQRT12 * tsize, 0)));
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pts.push_back(line_to + (Vector2(-Math_SQRT12 * tsize, 0)));
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Vector<Color> cols;
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for (int i = 0; i < 3; i++)
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cols.push_back(draw_col);
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draw_primitive(pts, cols, Vector<Vector2>());
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}
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} break;
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}
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}
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void CollisionShape2D::set_shape(const Ref<Shape2D> &p_shape) {
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if (shape.is_valid())
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shape->disconnect("changed", this, "_shape_changed");
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shape = p_shape;
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update();
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if (parent) {
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parent->shape_owner_clear_shapes(owner_id);
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if (shape.is_valid()) {
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parent->shape_owner_add_shape(owner_id, shape);
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}
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}
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if (shape.is_valid())
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shape->connect("changed", this, "_shape_changed");
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update_configuration_warning();
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}
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Ref<Shape2D> CollisionShape2D::get_shape() const {
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return shape;
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}
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bool CollisionShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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if (!shape.is_valid())
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return false;
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return shape->_edit_is_selected_on_click(p_point, p_tolerance);
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}
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String CollisionShape2D::get_configuration_warning() const {
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if (!Object::cast_to<CollisionObject2D>(get_parent())) {
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return TTR("CollisionShape2D only serves to provide a collision shape to a CollisionObject2D derived node. Please only use it as a child of Area2D, StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape.");
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}
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if (!shape.is_valid()) {
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return TTR("A shape must be provided for CollisionShape2D to function. Please create a shape resource for it!");
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}
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return String();
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}
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void CollisionShape2D::set_disabled(bool p_disabled) {
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disabled = p_disabled;
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update();
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if (parent) {
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parent->shape_owner_set_disabled(owner_id, p_disabled);
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}
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}
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bool CollisionShape2D::is_disabled() const {
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return disabled;
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}
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void CollisionShape2D::set_one_way_collision(bool p_enable) {
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one_way_collision = p_enable;
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update();
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if (parent) {
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parent->shape_owner_set_one_way_collision(owner_id, p_enable);
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}
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}
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bool CollisionShape2D::is_one_way_collision_enabled() const {
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return one_way_collision;
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}
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void CollisionShape2D::set_one_way_collision_margin(float p_margin) {
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one_way_collision_margin = p_margin;
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if (parent) {
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parent->shape_owner_set_one_way_collision_margin(owner_id, one_way_collision_margin);
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}
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}
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float CollisionShape2D::get_one_way_collision_margin() const {
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return one_way_collision_margin;
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}
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void CollisionShape2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape2D::set_shape);
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ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape2D::get_shape);
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ClassDB::bind_method(D_METHOD("set_disabled", "disabled"), &CollisionShape2D::set_disabled);
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ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape2D::is_disabled);
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ClassDB::bind_method(D_METHOD("set_one_way_collision", "enabled"), &CollisionShape2D::set_one_way_collision);
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ClassDB::bind_method(D_METHOD("is_one_way_collision_enabled"), &CollisionShape2D::is_one_way_collision_enabled);
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ClassDB::bind_method(D_METHOD("set_one_way_collision_margin", "margin"), &CollisionShape2D::set_one_way_collision_margin);
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ClassDB::bind_method(D_METHOD("get_one_way_collision_margin"), &CollisionShape2D::get_one_way_collision_margin);
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ClassDB::bind_method(D_METHOD("_shape_changed"), &CollisionShape2D::_shape_changed);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape2D"), "set_shape", "get_shape");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_way_collision"), "set_one_way_collision", "is_one_way_collision_enabled");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "one_way_collision_margin", PROPERTY_HINT_RANGE, "0,128,0.1"), "set_one_way_collision_margin", "get_one_way_collision_margin");
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}
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CollisionShape2D::CollisionShape2D() {
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rect = Rect2(-Point2(10, 10), Point2(20, 20));
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set_notify_local_transform(true);
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owner_id = 0;
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parent = NULL;
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disabled = false;
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one_way_collision = false;
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one_way_collision_margin = 1.0;
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}
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