godot/servers/physics_2d/area_pair_2d_sw.cpp

/*************************************************************************/
/*  area_pair_2d_sw.cpp                                                  */
/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
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#include "area_pair_2d_sw.h"
#include "collision_solver_2d_sw.h"


bool AreaPair2DSW::setup(float p_step) {

	bool result = CollisionSolver2DSW::solve(body->get_shape(body_shape),body->get_transform() * body->get_shape_transform(body_shape),Vector2(),area->get_shape(area_shape),area->get_transform() * area->get_shape_transform(area_shape),Vector2(),NULL,this);

	if (result!=colliding) {

		if (result) {

			if (area->get_space_override_mode()!=Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED)
				body->add_area(area);
			if (area->has_monitor_callback())
				area->add_body_to_query(body,body_shape,area_shape);

		} else {

			if (area->get_space_override_mode()!=Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED)
				body->remove_area(area);
			if (area->has_monitor_callback())
				area->remove_body_from_query(body,body_shape,area_shape);

		}

		colliding=result;

	}

	return false; //never do any post solving
}

void AreaPair2DSW::solve(float p_step) {


}


AreaPair2DSW::AreaPair2DSW(Body2DSW *p_body,int p_body_shape, Area2DSW *p_area,int p_area_shape) {


	body=p_body;
	area=p_area;
	body_shape=p_body_shape;
	area_shape=p_area_shape;
	colliding=false;
	body->add_constraint(this,0);
	area->add_constraint(this);
	if (p_body->get_mode()==Physics2DServer::BODY_MODE_KINEMATIC) //need to be active to process pair
		p_body->set_active(true);

}

AreaPair2DSW::~AreaPair2DSW() {

	if (colliding) {

		if (area->get_space_override_mode()!=Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED)
			body->remove_area(area);
		if (area->has_monitor_callback())
			area->remove_body_from_query(body,body_shape,area_shape);


	}
	body->remove_constraint(this);
	area->remove_constraint(this);
}