godot/scene/resources/shape_2d.cpp

/*************************************************************************/
/*  shape_2d.cpp                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#include "shape_2d.h"
#include "servers/physics_2d_server.h"
RID Shape2D::get_rid() const {

	return shape;
}


void Shape2D::set_custom_solver_bias(real_t p_bias) {

	custom_bias=p_bias;
	Physics2DServer::get_singleton()->shape_set_custom_solver_bias(shape,custom_bias);
}

real_t Shape2D::get_custom_solver_bias() const{

	return custom_bias;

}


bool Shape2D::collide_with_motion(const Transform2D& p_local_xform, const Vector2& p_local_motion, const Ref<Shape2D>& p_shape, const Transform2D& p_shape_xform, const Vector2 &p_shape_motion) {

	ERR_FAIL_COND_V(p_shape.is_null(),false);
	int r;
	return Physics2DServer::get_singleton()->shape_collide(get_rid(),p_local_xform,p_local_motion,p_shape->get_rid(),p_shape_xform,p_shape_motion,NULL,0,r);
}

bool Shape2D::collide(const Transform2D& p_local_xform,  const Ref<Shape2D>& p_shape, const Transform2D& p_shape_xform){
	ERR_FAIL_COND_V(p_shape.is_null(),false);
	int r;
	return Physics2DServer::get_singleton()->shape_collide(get_rid(),p_local_xform,Vector2(),p_shape->get_rid(),p_shape_xform,Vector2(),NULL,0,r);


}

Variant Shape2D::collide_with_motion_and_get_contacts(const Transform2D& p_local_xform, const Vector2& p_local_motion, const Ref<Shape2D>& p_shape, const Transform2D& p_shape_xform, const Vector2 &p_shape_motion){

	ERR_FAIL_COND_V(p_shape.is_null(),Variant());
	const int max_contacts = 16;
	Vector2 result[max_contacts*2];
	int contacts=0;

	if (!Physics2DServer::get_singleton()->shape_collide(get_rid(),p_local_xform,p_local_motion,p_shape->get_rid(),p_shape_xform,p_shape_motion,result,max_contacts,contacts))
		return Variant();

	Array results;
	results.resize(contacts*2);
	for(int i=0;i<contacts;i++) {
		results[i]=result[i];
	}

	return results;

}
Variant Shape2D::collide_and_get_contacts(const Transform2D& p_local_xform,  const Ref<Shape2D>& p_shape, const Transform2D& p_shape_xform){

	ERR_FAIL_COND_V(p_shape.is_null(),Variant());
	const int max_contacts = 16;
	Vector2 result[max_contacts*2];
	int contacts=0;

	if (!Physics2DServer::get_singleton()->shape_collide(get_rid(),p_local_xform,Vector2(),p_shape->get_rid(),p_shape_xform,Vector2(),result,max_contacts,contacts))
		return Variant();

	Array results;
	results.resize(contacts*2);
	for(int i=0;i<contacts;i++) {
		results[i]=result[i];
	}

	return results;


}

void Shape2D::_bind_methods() {

	ClassDB::bind_method(_MD("set_custom_solver_bias","bias"),&Shape2D::set_custom_solver_bias);
	ClassDB::bind_method(_MD("get_custom_solver_bias"),&Shape2D::get_custom_solver_bias);
	ClassDB::bind_method(_MD("collide","local_xform","with_shape:Shape2D","shape_xform"),&Shape2D::collide);
	ClassDB::bind_method(_MD("collide_with_motion","local_xform","local_motion","with_shape:Shape2D","shape_xform","shape_motion"),&Shape2D::collide_with_motion);
	ClassDB::bind_method(_MD("collide_and_get_contacts:Variant","local_xform","with_shape:Shape2D","shape_xform"),&Shape2D::collide_and_get_contacts);
	ClassDB::bind_method(_MD("collide_with_motion_and_get_contacts:Variant","local_xform","local_motion","with_shape:Shape2D","shape_xform","shape_motion"),&Shape2D::collide_with_motion_and_get_contacts);

	ADD_PROPERTY( PropertyInfo(Variant::REAL,"custom_solver_bias",PROPERTY_HINT_RANGE,"0,1,0.001"),"set_custom_solver_bias","get_custom_solver_bias");
}



Shape2D::Shape2D(const RID& p_rid) {
	shape=p_rid;
	custom_bias=0;
}



Shape2D::~Shape2D() {

	Physics2DServer::get_singleton()->free(shape);
}