done

HeadsUpper/HUViewController.h

@@ -0,0 +1,15 @@
+//
+//  HUViewController.h
+//  HeadsUpper
+//
+//  Created by Daniel Distant on 2/21/16.
+//  Copyright © 2016 Michael Kavouras. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface HUViewController : UIViewController
+
+@property NSArray *answers;
+
+@end

HeadsUpper/HUViewController.m

@@ -0,0 +1,235 @@
+//
+//  HUViewController.m
+//  HeadsUpper
+//
+//  Created by Daniel Distant on 2/21/16.
+//  Copyright © 2016 Michael Kavouras. All rights reserved.
+//
+
+#import "HUViewController.h"
+
+@interface HUViewController ()
+
+@property (weak, atomic) IBOutlet UILabel *answerLabel;
+
+@property (weak, nonatomic) IBOutlet UILabel *timerLabel;
+
+@property (atomic) NSTimer *timer;
+
+@property (weak, nonatomic) NSDate *timeStarted;
+
+@property (atomic) NSTimeInterval gameTime;
+
+@property (atomic) NSDateFormatter *dateFormatter; //or
+
+@property (atomic) NSInteger timerCounter; //or
+
+@property (atomic) NSTimer *colorTimer;
+
+@property (strong, atomic) NSMutableArray *tempAnswers;
+
+@property (atomic) NSInteger answerCounter;
+
+@property (atomic) NSInteger totalCounter;
+
+@property (atomic) NSInteger colorCounter;
+
+@end
+
+@implementation HUViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    self.navigationItem.hidesBackButton = YES;
+
+    self.view.backgroundColor = [UIColor whiteColor];
+
+    [self setupGame];
+
+}
+
+-(void)viewDidAppear:(BOOL)animated {
+
+    [self nextAnswer:self.answers];
+
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+- (void) setupGame {
+
+    self.gameTime = 30;
+
+    self.answerCounter = 0;
+
+    self.totalCounter = 0;
+
+    self.tempAnswers = [[NSMutableArray alloc] initWithArray:self.answers];
+
+//    self.dateFormatter = [[NSDateFormatter alloc] init];
+//    
+//    [self.dateFormatter setDateFormat:@"ss.SS"];
+
+    [self setupTimer];
+}
+
+- (void) setupTimer {
+
+    self.timer = [NSTimer timerWithTimeInterval:1.0 target:self selector:@selector(timerFired:) userInfo:nil repeats:YES];
+
+    [[NSRunLoop mainRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
+
+    self.timerLabel.text = @"30";
+
+    self.timeStarted = [NSDate date];
+
+    self.timerCounter = self.gameTime;
+
+}
+
+- (void) timerFired:(NSTimer *)timer {
+
+    self.timerCounter--;
+
+    NSDate *currentTime = [NSDate date];
+
+    NSTimeInterval timeDifference = [currentTime timeIntervalSinceDate:self.timeStarted];
+
+    if ((timeDifference >= self.gameTime) || (self.timerCounter < 1)) {
+        [self endGame];
+    } else {
+
+//        NSString *dateString = [NSString stringWithFormat:@"%@",[self.dateFormatter stringFromDate:self.timeStarted]];
+//        
+//        self.timerLabel.text = dateString;
+
+        self.timerLabel.text = [NSString stringWithFormat:@"%ld", self.timerCounter];
+
+    }
+}
+
+#pragma mark -- game methods
+
+- (IBAction)correctTapGestureTapped:(id)sender {
+
+    self.answerCounter++;
+
+    [self nextAnswer:self.tempAnswers];
+
+    [self backgroundColorFlash:[UIColor greenColor]];
+}
+
+
+- (IBAction)passSwipeGestureSwiped:(id)sender {
+
+    //for passes to mean player loses a point, uncomment the code below
+
+    //    self.answerCounter--;
+    //
+    //    if (self.answerCounter < 0) {
+    //        self.answerCounter = 0;
+    //    }
+
+    [self nextAnswer:self.tempAnswers];
+
+    [self backgroundColorFlash:[UIColor redColor]];
+}
+
+
+- (NSString *) nextAnswer:(NSArray *)array {
+
+    if (self.tempAnswers.count) {
+        //getting a random answer from the array
+
+        self.totalCounter++;
+
+        u_int32_t rand = (u_int32_t)array.count;
+        int idx = arc4random_uniform(rand);
+
+        NSString *pickedAnswer = array[idx];
+
+        [self.tempAnswers removeObject:pickedAnswer];
+
+        self.answerLabel.text = pickedAnswer;
+
+        return pickedAnswer;
+    }
+
+    [self endGame];
+
+    return @"";
+}
+
+-(void) backgroundColorFlash:(UIColor *)color {
+
+    NSTimer *colorTimer = [NSTimer timerWithTimeInterval:0.07 target:self selector:@selector(changeColor:) userInfo:color repeats:YES];
+
+    [[NSRunLoop currentRunLoop] addTimer:colorTimer forMode:NSRunLoopCommonModes];
+
+}
+
+-(void) changeColor:(NSTimer *)timer {
+
+    if ([self.view.backgroundColor isEqual:[timer userInfo]]) {
+        self.view.backgroundColor = [UIColor whiteColor];
+        self.colorCounter++;
+    } else {
+        self.view.backgroundColor = [timer userInfo];
+        self.colorCounter++;
+    }
+
+    if (self.colorCounter >= 5) {
+        [timer invalidate];
+        self.view.backgroundColor = [UIColor whiteColor];
+        self.colorCounter = 0;
+    }
+}
+
+- (void) endGame {
+
+    self.answerLabel.text = @"GAME OVER!";
+    self.timerLabel.text = @"00";
+    [self.timer invalidate];
+    self.view.backgroundColor = [UIColor lightGrayColor];
+
+    if (self.answerCounter >= self.totalCounter / 2) {
+        [self statusAlertDidAppearWithTitle:@"Great job!" andMessage: [NSString stringWithFormat:@"Noice! You answered %lu out of %lu correctly!", self.answerCounter, self.totalCounter]];
+    } else {
+        [self statusAlertDidAppearWithTitle:@"You need more practice!" andMessage:[NSString stringWithFormat: @"Yikes! You only answered %lu out of %lu correctly!", self.answerCounter, self.totalCounter]];
+    }
+
+}
+
+- (void) statusAlertDidAppearWithTitle:(NSString *)title andMessage:(NSString *)message {
+
+    UIAlertController* alert = [UIAlertController alertControllerWithTitle:title
+                                                                   message:message
+                                                            preferredStyle:UIAlertControllerStyleAlert];
+
+    UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
+                                                          handler:^(UIAlertAction * action) {
+
+                                                              [self.navigationController popToRootViewControllerAnimated:YES];
+
+                                                          }];
+
+    [alert addAction:defaultAction];
+    [self presentViewController:alert animated:YES completion:nil];
+}
+
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end