Pause physics only in cocos2d v3

GameCCPhysicsNode.h

//
//  GameCCPhysicsNode.h
//  RollingCandy
//
//  Created by Gints Murans on 21/03/14.
//  Copyright (c) 2014 Early Bird. All rights reserved.
//

#import "CCPhysicsNode.h"

@interface GameCCPhysicsNode : CCPhysicsNode

@property (nonatomic, assign, getter = isPhysicsPaused) BOOL physicsPaused;

@end

GameCCPhysicsNode.m

//
//  GameCCPhysicsNode.m
//  RollingCandy
//
//  Created by Gints Murans on 21/03/14.
//  Copyright (c) 2014 Early Bird. All rights reserved.
//

#import "GameCCPhysicsNode.h"

@implementation GameCCPhysicsNode



- (void)fixedUpdate:(CCTime)delta
{
    if (_physicsPaused == NO)
    {
        [super fixedUpdate:delta];
    }
}


@end

Worked perfectly thanks.