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/*************************************************************************/
/* convex_polygon_shape_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "convex_polygon_shape_2d.h"
#include "servers/physics_2d_server.h"
#include "servers/visual_server.h"
#include "geometry.h"
void ConvexPolygonShape2D::_update_shape() {
Physics2DServer::get_singleton()->shape_set_data(get_rid(),points);
emit_changed();
}
void ConvexPolygonShape2D::set_point_cloud(const Vector<Vector2>& p_points) {
Vector<Point2> hull=Geometry::convex_hull_2d(p_points);
ERR_FAIL_COND(hull.size()<3);
set_points(hull);
}
void ConvexPolygonShape2D::set_points(const Vector<Vector2>& p_points) {
points=p_points;
_update_shape();
}
Vector<Vector2> ConvexPolygonShape2D::get_points() const {
return points;
}
void ConvexPolygonShape2D::_bind_methods() {
ClassDB::bind_method(_MD("set_point_cloud","point_cloud"),&ConvexPolygonShape2D::set_point_cloud);
ClassDB::bind_method(_MD("set_points","points"),&ConvexPolygonShape2D::set_points);
ClassDB::bind_method(_MD("get_points"),&ConvexPolygonShape2D::get_points);
ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"points"),_SCS("set_points"),_SCS("get_points") );
}
void ConvexPolygonShape2D::draw(const RID& p_to_rid,const Color& p_color) {
Vector<Color> col;
col.push_back(p_color);
VisualServer::get_singleton()->canvas_item_add_polygon(p_to_rid,points,col);
}
Rect2 ConvexPolygonShape2D::get_rect() const {
Rect2 rect;
for(int i=0;i<points.size();i++) {
if (i==0)
rect.pos=points[i];
else
rect.expand_to(points[i]);
}
return rect;
}
ConvexPolygonShape2D::ConvexPolygonShape2D() : Shape2D( Physics2DServer::get_singleton()->shape_create(Physics2DServer::SHAPE_CONVEX_POLYGON)) {
int pcount =3;
for(int i=0;i<pcount;i++)
points.push_back(Vector2(Math::sin(i*Math_PI*2/pcount),-Math::cos(i*Math_PI*2/pcount))*10);
_update_shape();
}
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