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//
// JumpGameMode.m
// Cart Collect
//
// Created by Starla Insigna on 8/17/11.
// Copyright 2011 Four Island. All rights reserved.
//
#import "JumpGameMode.h"
#define kMinimumGestureLength 50
@implementation JumpGameMode
- (id)init
{
self = [super init];
if (nil != self)
{
water = [CCSprite spriteWithFile:@"water.png"];
water.position = ccp(240, -80);
[self addChild:water];
self.isTouchEnabled = YES;
waterTick = 0;
wave = NO;
}
return self;
}
- (void)onEnterTransitionDidFinish
{
[super onEnterTransitionDidFinish];
[self scheduleDelayedAction:^{
wave = YES;
} delay:3.0f];
}
- (void)tick:(ccTime)dt
{
[super tick:dt];
if (wave)
{
waterTick++;
water.position = ccp(240, 160 * sin(waterTick / (36 * M_PI)) - 80);
if (waterTick == 180)
{
wave = NO;
[self scheduleDelayedAction:^{
wave = YES;
} delay:10.0f];
} else if (waterTick == 360)
{
wave = NO;
waterTick = 0;
}
}
if (jump)
{
jumpTick++;
cart.sprite.position = ccp(cart.sprite.position.x, MAX(100 * sin(jumpTick / (2 * M_PI)) + 22, water.position.y+80+11));
if (jumpTick == 20)
{
jump = NO;
jumpTick = 0;
}
} else {
cart.sprite.position = ccp(cart.sprite.position.x, MAX(22, water.position.y+80+11));
}
}
- (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch* touch = [touches anyObject];
gestureStartPoint = [touch locationInView:nil];
}
- (void)ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch* touch = [touches anyObject];
CGPoint gestureCurrentPosition = [touch locationInView:nil];
CGFloat angle = atan2f(gestureCurrentPosition.y - gestureStartPoint.y, gestureCurrentPosition.x - gestureStartPoint.x);
CGFloat distance = sqrt(powf((gestureCurrentPosition.x - gestureStartPoint.x),2) + powf((gestureCurrentPosition.y - gestureStartPoint.y),2));
if ((distance >= kMinimumGestureLength) && (angle >= expectedAngle - M_PI_4) && (angle <= expectedAngle + M_PI_4) && (cart.sprite.position.y == 22))
{
jump = YES;
}
}
- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
{
[super accelerometer:accelerometer didAccelerate:acceleration];
expectedAngle = acceleration.y*M_PI_2;
}
@end
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