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authorStarla Insigna <starla4444@gmail.com>2011-08-17 20:29:16 -0400
committerStarla Insigna <starla4444@gmail.com>2011-08-17 20:29:16 -0400
commit6b9c8afd0e4a49efffd504378f1db34264928250 (patch)
tree7a3a64517344406c56b174f04fb19e0374f13398 /Cart Collect.xcodeproj
parent4d94802036a53e6ec246ab0abac17fd76d17c885 (diff)
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Improved jumping gesture detection
Previously, when determining if the player had swiped upward for a jump in the Jump game mode, the game checked that the player had touched and moved upward a certain amount, with less than a certain amount of variance in horizontal position. However, this did not work well with the deeply-ingrained rotation aspect of the game, so the game was programmed to widen this allowed horizontal variance when the device was rotated. This really did not work too well, so now the game calculates an "expected" angle from the bottom of the screen based on rotation that it determines to point upward and also the angle of the player's swipe from the bottom of the screen. If the swipe angle falls within 45 degrees (π/4 radians) of the expected angle, the cart jumps. Really quite awesome if you ask me. :P

Refs #204
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generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-04-06 11:40:52 +0000
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//
//  GameMode.m
//  Cart Collect
//
//  Created by Starla Insigna on 8/9/11.
//  Copyright 2011 Four Island. All rights reserved.
//

#import "GameMode.h"
#import "FallingObject.h"
#import "MainMenuLayer.h"

@implementation GameMode

@synthesize cart, score, lives;

+ (CCScene*)scene
{
	CCScene* scene = [CCScene node];
    
	GameMode* layer = [self node];
    layer.tag = GAME_LAYER;
	[scene addChild:layer];
	
	scene.tag = GAME_SCENE;
	
	return scene;
}

- (id)init
{
    self = [super init];
    
    if (nil != self)
    {
        isAccelerometerEnabled_ = YES;
        
        objects = [[NSMutableSet alloc] init];
        
        cart = [[Cart alloc] initWithSprite:[CCSprite spriteWithFile:@"cart.png"]];
		cart.sprite.position = ccp(240, 22);
		cart.sprite.scale = 2;
		[self addChild:cart.sprite];
        
        scoreLabel = [CCLabelBMFont labelWithString:@"Score: 0" fntFile:@"helvetica2.fnt"];
		scoreLabel.position = ccp(50, 300);
		[self addChild:scoreLabel];
		
		livesLabel = [CCLabelBMFont labelWithString:@"Lives: 3" fntFile:@"helvetica2.fnt"];
		livesLabel.position = ccp(50, 280);
		[self addChild:livesLabel];
		
		score = 0;
		lives = 3;
		
        if ([self canPause])
        {
            CCMenuItemImage* pauseButton = [CCMenuItemImage itemFromNormalImage:@"pause2.png" selectedImage:@"pause.png" target:self selector:@selector(pause)];
            CCMenu* pauseMenu = [CCMenu menuWithItems:pauseButton, nil];
            [pauseMenu setPosition:ccp(480-8-16, 320-8-16)];
            [self addChild:pauseMenu];
        }
    }
    
    return self;
}

- (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration
{	
	[cart accelerometer:accelerometer didAccelerate:acceleration];
}

- (void)onEnterTransitionDidFinish
{
    [super onEnterTransitionDidFinish];
    
    [[UIAccelerometer sharedAccelerometer] setUpdateInterval:(1.0 / 60)];
    [self schedule:@selector(tick:) interval:1.0f/60.0f];
}

- (void)tick:(ccTime)dt
{
    [cart tick];
    
    for (FallingObject* object in objects)
	{
        if ([object tick])
        {
            [objects removeObject:object];
        }
    }
}

- (BOOL)canPause
{
    return YES;
}

- (void)pause
{
    if ([self canPause])
    {
        [self pauseSchedulerAndActions];
        
        shadedLayer = [CCLayerColor layerWithColor:ccc4(0, 0, 0, 127)];
        [[[CCDirector sharedDirector] runningScene] addChild:shadedLayer];
        
        pauseLayer = [CCLayer node];
        CCLabelBMFont* scoreLabel2 = [CCLabelBMFont labelWithString:@"PAUSE" fntFile:@"helvetica.fnt"];
        scoreLabel2.position = ccp(240,90);
        [pauseLayer addChild:scoreLabel2];
        
        CCMenuItemImage* pauseButton = [CCMenuItemImage itemFromNormalImage:@"pause2.png" selectedImage:@"pause.png" target:self selector:@selector(unpause)];
        CCMenu* pauseMenu = [CCMenu menuWithItems:pauseButton, nil];
        [pauseMenu setPosition:ccp(480-8-16, 320-8-16)];
        [pauseLayer addChild:pauseMenu];
        
        CCMenuItemImage* newgameMenuItem = [CCMenuItemImage itemFromNormalImage:@"back.png" selectedImage:@"back2.png" target:self selector:@selector(mainmenu)];
        CCMenu* myMenu = [CCMenu menuWithItems:newgameMenuItem, nil];
        myMenu.position = ccp(240, 60);
        [pauseLayer addChild:myMenu];
        
        [[[CCDirector sharedDirector] runningScene] addChild:pauseLayer];
    }
}

- (void)unpause
{
    [[[CCDirector sharedDirector] runningScene] removeChild:shadedLayer cleanup:YES];
    [[[CCDirector sharedDirector] runningScene] removeChild:pauseLayer cleanup:YES];
    
    shadedLayer = nil;
    pauseLayer = nil;
    
    [self resumeSchedulerAndActions];
}

- (void)mainmenu
{
    [[CCDirector sharedDirector] replaceScene:[MainMenuLayer scene]];
}

- (void)setScore:(int)m_score
{
    score = m_score;
    
    [scoreLabel setString:[NSString stringWithFormat:@"Score: %d", score]];
}

- (void)setLives:(int)m_lives
{
    lives = m_lives;
    
    [livesLabel setString:[NSString stringWithFormat:@"Lives: %d", lives]];
}

- (void)scheduleDelayedAction:(void(^)(void))m_delayedAction delay:(float)delay
{
    delayedAction = Block_copy([m_delayedAction retain]);
    
    [self schedule:@selector(runDelayedAction) interval:delay];
}

- (void)runDelayedAction
{
    [self unschedule:@selector(runDelayedAction)];
    
    delayedAction();
    [delayedAction release];
    delayedAction = nil;
}

- (void)dealloc
{
    [objects release];
    [cart release];
    [super dealloc];
}

@end
generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-04-06 11:40:52 +0000