/*

 Copyright (C) 2014 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 */

#import <SpriteKit/SpriteKit.h>

#import "AAPLGameView.h"

@implementation AAPLGameView

- (void)changePointOfView

{

    // retrieve the list of point of views

    NSArray *pointOfViews = [self.scene.rootNode childNodesPassingTest:^BOOL(SCNNode *child, BOOL *stop) {

        return child.camera != nil;

    }];

    SCNNode *currentPointOfView = self.pointOfView;

    // select the next one

    NSUInteger index = [pointOfViews indexOfObject:currentPointOfView];

    index++;

    if (index >= [pointOfViews count]) index = 0;

    self.inCarView = (index==0);

    // set it with an implicit transaction

    [SCNTransaction begin];

    [SCNTransaction setAnimationDuration:0.75];

    self.pointOfView = [pointOfViews objectAtIndex:index];

    [SCNTransaction commit];

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    UITouch *touch = [touches anyObject];

    //test if we hit the camera button

    SKScene *scene = self.overlaySKScene;

    CGPoint p = [touch locationInView:self];

    p = [scene convertPointFromView:p];

    SKNode *node = [scene nodeAtPoint:p];

    if ([node.name isEqualToString:@"camera"]) {

        //play a sound

        [node runAction:[SKAction playSoundFileNamed:@"click.caf" waitForCompletion:NO]];

        //change the point of view

        [self changePointOfView];

        return;

    }

    //update the total number of touches on screen

    NSSet *allTouches = [event allTouches];

    _touchCount = [allTouches count];

}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event

{

    _touchCount = 0;

}

@end