initial commit, 4.5 stable

scene/resources/2d/segment_shape_2d.cpp

@@ -0,0 +1,105 @@
+/**************************************************************************/
+/*  segment_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 "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 closest = Geometry2D::get_closest_point_to_segment(p_point, a, b);
+	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) {
+	if (a == p_a) {
+		return;
+	}
+	a = p_a;
+	_update_shape();
+}
+
+Vector2 SegmentShape2D::get_a() const {
+	return a;
+}
+
+void SegmentShape2D::set_b(const Vector2 &p_b) {
+	if (b == p_b) {
+		return;
+	}
+	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();
+	b = Vector2(0, 10);
+	_update_shape();
+}