initial commit, 4.5 stable

scene/resources/2d/capsule_shape_2d.cpp

@@ -0,0 +1,144 @@
+/**************************************************************************/
+/*  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 * 0.5f + radius : height * 0.5f - 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 < 0.0f, "CapsuleShape2D radius cannot be negative.");
+	if (radius == p_radius) {
+		return;
+	}
+	radius = p_radius;
+	if (height < radius * 2.0f) {
+		height = radius * 2.0f;
+	}
+	_update_shape();
+}
+
+real_t CapsuleShape2D::get_radius() const {
+	return radius;
+}
+
+void CapsuleShape2D::set_height(real_t p_height) {
+	ERR_FAIL_COND_MSG(p_height < 0.0f, "CapsuleShape2D height cannot be negative.");
+	if (height == p_height) {
+		return;
+	}
+	height = p_height;
+	if (radius > height * 0.5f) {
+		radius = height * 0.5f;
+	}
+	_update_shape();
+}
+
+real_t CapsuleShape2D::get_height() const {
+	return height;
+}
+
+void CapsuleShape2D::set_mid_height(real_t p_mid_height) {
+	ERR_FAIL_COND_MSG(p_mid_height < 0.0f, "CapsuleShape2D mid-height cannot be negative.");
+	height = p_mid_height + radius * 2.0f;
+	_update_shape();
+}
+
+real_t CapsuleShape2D::get_mid_height() const {
+	return height - radius * 2.0f;
+}
+
+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, 1.0f) };
+		RenderingServer::get_singleton()->canvas_item_add_polyline(p_to_rid, points, col);
+	}
+}
+
+Rect2 CapsuleShape2D::get_rect() const {
+	const Vector2 half_size = Vector2(radius, height * 0.5f);
+	return Rect2(-half_size, half_size * 2.0f);
+}
+
+real_t CapsuleShape2D::get_enclosing_radius() const {
+	return height * 0.5f;
+}
+
+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);
+
+	ClassDB::bind_method(D_METHOD("set_mid_height", "mid_height"), &CapsuleShape2D::set_mid_height);
+	ClassDB::bind_method(D_METHOD("get_mid_height"), &CapsuleShape2D::get_mid_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_PROPERTY(PropertyInfo(Variant::FLOAT, "mid_height", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater,suffix:px", PROPERTY_USAGE_NONE), "set_mid_height", "get_mid_height");
+	ADD_LINKED_PROPERTY("radius", "height");
+	ADD_LINKED_PROPERTY("height", "radius");
+}
+
+CapsuleShape2D::CapsuleShape2D() :
+		Shape2D(PhysicsServer2D::get_singleton()->capsule_shape_create()) {
+	_update_shape();
+}