godot/scene/resources/plane_shape.cpp

/*************************************************************************/
/*  plane_shape.cpp                                                      */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#include "plane_shape.h"

#include "servers/physics_server.h"

Vector<Vector3> PlaneShape::_gen_debug_mesh_lines() {

	Plane p = get_plane();
	Vector<Vector3> points;

	Vector3 n1 = p.get_any_perpendicular_normal();
	Vector3 n2 = p.normal.cross(n1).normalized();

	Vector3 pface[4]={
		p.normal*p.d+n1*10.0+n2*10.0,
		p.normal*p.d+n1*10.0+n2*-10.0,
		p.normal*p.d+n1*-10.0+n2*-10.0,
		p.normal*p.d+n1*-10.0+n2*10.0,
	};

	points.push_back(pface[0]);
	points.push_back(pface[1]);
	points.push_back(pface[1]);
	points.push_back(pface[2]);
	points.push_back(pface[2]);
	points.push_back(pface[3]);
	points.push_back(pface[3]);
	points.push_back(pface[0]);
	points.push_back(p.normal*p.d);
	points.push_back(p.normal*p.d+p.normal*3);

	return points;
}

void PlaneShape::_update_shape() {

	PhysicsServer::get_singleton()->shape_set_data(get_shape(),plane);
}

void PlaneShape::set_plane(Plane p_plane) {

	plane=p_plane;
	_update_shape();
	notify_change_to_owners();
	_change_notify("plane");
}

Plane PlaneShape::get_plane() const {

	return plane;
}


void PlaneShape::_bind_methods() {

	ClassDB::bind_method(_MD("set_plane","plane"),&PlaneShape::set_plane);
	ClassDB::bind_method(_MD("get_plane"),&PlaneShape::get_plane);

	ADD_PROPERTY( PropertyInfo(Variant::PLANE,"plane"), _SCS("set_plane"), _SCS("get_plane") );

}

PlaneShape::PlaneShape() : Shape( PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_PLANE)) {

	set_plane(Plane(0,1,0,0));
}