MovingPlatform.h/m
//
// MovingPlatform.h
// platformbuilder
//
// Created by Kay Rules on 6/15/11.
// Copyright 2011 Fleezo.com. All rights reserved.
//
#import "cocos2d.h"
@interface MovingPlatform : CCSprite {
CGSize winSize;
CCArray *_platforms1;
CCArray *_platforms2;
CCArray *_platforms3;
CCArray *_imagePlatformLeft;
CCArray *_imagePlatformMid;
CCArray *_imagePlatformRight;
int _nextPlatformLeft;
int _nextPlatformMid;
int _nextPlatformRight;
BOOL isPlatform1InAction;
BOOL isPlatform2InAction;
BOOL isPlatform3InAction;
BOOL isGap;
//important settings
BOOL isPaused;
double platformWidth;
double platformHeight;
float platformSpeed;
int maximumPlatformIteration;
int numPlatformArray;
//images variables
NSString *leftImageName;
NSString *middleImageName;
NSString *rightImageName;
CGPoint targetCoordinate;
CGPoint returnCoordinate;
CGPoint pointZero;
}
@propertyBOOL isPaused;
@property double platformWidth;
@property double platformHeight;
@property float platformSpeed;
@property int maximumPlatformIteration;
@property int numPlatformArray;
@property CGFloat targetCoorX;
@property CGPoint targetCoordinate;
@property (nonatomic, retain) NSString *leftImageName;
@property (nonatomic, retain) NSString *middleImageName;
@property (nonatomic, retain) NSString *rightImageName;
- (id)initWithSpeed:(float)speed andPause:(BOOL)pause andImages:(CCArray*)images;
- (void)paused:(BOOL)yesno;
- (CGPoint)getYCoordinateAt:(CGPoint)coorX;
@end
//////////////////////////
.m
//
// MovingPlatform.m
// platformbuilder
//
// Created by Kay Rules on 6/15/11.
// Copyright 2011 Fleezo.com. All rights reserved.
//
#import "MovingPlatform.h"
//#define kPlatformGapFactor 0.30 //factor range 0.0 - 1.0 (percentage from winSize)
#define kMaximumPlatformIteration 5//number of graphic for each platform array
#define kNumPlatformArray 3
#define kInitialEnemiesForEachPlatform 3
@interface MovingPlatform (private)
- (void)initImagesIntoArray;
- (void)initPlatformWithId:(int)Id andWithNum:(int)max andCoordinateY:(float)coorY;
- (float)randomValueBetween:(float)low andValue:(float)high;
- (float)randomPlatformHeight;
- (void)getImageSize;
- (float)calculateGapFactor;
- (void) initEnemy;
- (void) appearEnemyRandomlyWithCoorY:(CGFloat)coorY;
@end
@implementation MovingPlatform
@synthesize isPaused;
@synthesize platformWidth;
@synthesize platformHeight;
@synthesize platformSpeed;
@synthesize maximumPlatformIteration;
@synthesize numPlatformArray;
@synthesize leftImageName;
@synthesize middleImageName;
@synthesize rightImageName;
@synthesize targetCoorX;
@synthesize targetCoordinate;
- (id)initWithSpeed:(float)speed andPause:(BOOL)pause andImages:(CCArray*)images
{
if( (self=[super init])) {
winSize = [CCDirectorsharedDirector].winSize;
_imagePlatformLeft = [[CCArrayalloc] initWithCapacity:kNumPlatformArray];
_imagePlatformRight = [[CCArrayalloc] initWithCapacity:kNumPlatformArray];
_imagePlatformMid = [[CCArrayalloc] initWithCapacity:kNumPlatformArray*kMaximumPlatformIteration];
platformSpeed = speed;
maximumPlatformIteration = kMaximumPlatformIteration;
numPlatformArray = kNumPlatformArray;
targetCoordinate = CGPointZero;
leftImageName = [images objectAtIndex:0];
middleImageName = [images objectAtIndex:1];
rightImageName = [images objectAtIndex:2];
//[self initBackground];
[self getImageSize];
[selfinitImagesIntoArray];
[selfinitPlatformWithId:1andWithNum:3andCoordinateY:0];
[self paused:pause];
}
returnself;
}
/*-(void) initBackground
{
CCSprite *background = [CCSprite spriteWithFile:@"background.png"];
background.anchorPoint = CGPointZero;
background.position = CGPointZero;
[self addChild:background z:-1];
}*/
-(void) initImagesIntoArray
{
for (int i=0; i<numPlatformArray; i++) {
CCSprite *platformLeft = [CCSprite spriteWithFile:leftImageName];
[_imagePlatformLeft addObject:platformLeft];
platformLeft.anchorPoint = CGPointZero;
platformLeft.position = ccp(winSize.width,0);
platformLeft.visible = NO;
[self addChild:platformLeft z:0];
CCSprite *platformRight = [CCSprite spriteWithFile:rightImageName];
[_imagePlatformRight addObject:platformRight];
platformRight.anchorPoint = CGPointZero;
platformRight.position = ccp(winSize.width,0);
platformRight.visible = NO;
[self addChild:platformRight z:0];
}
for (int i=0; i<numPlatformArray*maximumPlatformIteration; i++) {
CCSprite *platformMid = [CCSpritespriteWithFile:middleImageName];
[_imagePlatformMid addObject:platformMid];
platformMid.anchorPoint = CGPointZero;
platformMid.position = ccp(winSize.width,0);
platformMid.visible = NO;
[self addChild:platformMid z:0];
}
}
-(void) initPlatformWithId:(int)Id andWithNum:(int)max andCoordinateY:(float)coorY
{
//minimum Num is 2
int middleTtl = max - 2;
float startPos;
if(isPlatform1InAction == NO && isPlatform2InAction == NO && isPlatform3InAction == NO)
startPos = 0;
else
startPos = winSize.width;
if (Id == 1) {
isPlatform1InAction = YES;
_platforms1 = [[CCArray alloc] initWithCapacity:max];
} else if (Id == 2) {
isPlatform2InAction = YES;
_platforms2 = [[CCArray alloc] initWithCapacity:max];
} else if (Id == 3) {
isPlatform3InAction = YES;
_platforms3 = [[CCArray alloc] initWithCapacity:max];
}
//initiate left platform
CCSprite *platformLeft = [_imagePlatformLeftobjectAtIndex:_nextPlatformLeft];
_nextPlatformLeft++;
if (_nextPlatformLeft >= _imagePlatformLeft.count) _nextPlatformLeft = 0;
platformLeft.position = ccp(startPos, coorY);
platformLeft.visible = YES;
if (Id == 1) {
[_platforms1 addObject:platformLeft];
} else if (Id == 2) {
[_platforms2 addObject:platformLeft];
} else if (Id == 3) {
[_platforms3 addObject:platformLeft];
}
//initiate middle platform
for(int i = 0; i < middleTtl; ++i) {
CCSprite *platform = [_imagePlatformMidobjectAtIndex:_nextPlatformMid];
_nextPlatformMid++;
if (_nextPlatformMid >= _imagePlatformMid.count) _nextPlatformMid = 0;
platform.position = ccp(startPos + platformWidth + i * platformWidth, coorY);
platform.visible = YES;
if (Id == 1) {
[_platforms1 addObject:platform];
} else if (Id == 2) {
[_platforms2 addObject:platform];
} else if (Id == 3) {
[_platforms3 addObject:platform];
}
}
//initiate right platform
CCSprite *platformRight = [_imagePlatformRightobjectAtIndex:_nextPlatformRight];
_nextPlatformRight++;
if (_nextPlatformRight >= _imagePlatformRight.count) _nextPlatformRight = 0;
platformRight.position = ccp(startPos + platformWidth + middleTtl * platformWidth, coorY);
platformRight.visible = YES;
if (Id == 1) {
[_platforms1 addObject:platformRight];
//[self schedule:@selector(movePlatform1:) interval:(1.0 / 60.0)];
[self schedule:@selector(movePlatform1:)];
} else if (Id == 2) {
[_platforms2 addObject:platformRight];
[self schedule:@selector(movePlatform2:)];
} else if (Id == 3) {
[_platforms3 addObject:platformRight];
[self schedule:@selector(movePlatform3:)];
}
}
- (void)movePlatform1:(ccTime)dt
{
if (!isPaused) {
isGap = NO;
for (CCSprite *platform in _platforms1) {
platform.position = ccpAdd(platform.position, ccp(-platformSpeed,0));
if (platform == [_platforms1 objectAtIndex:_platforms1.count-1]) {
if (platform.position.x + platformWidth < winSize.width * [self calculateGapFactor]) {
if (isPlatform2InAction == NO) {
//NSLog(@"platform 2 should start!");
[self initPlatformWithId:2
andWithNum:[self randomValueBetween:2 andValue:10]
andCoordinateY:[self randomPlatformHeight]];
}
}
if (platform.position.x < -platformWidth) {
//NSLog(@"platform 1 stopped!");
[self unschedule:@selector(movePlatform1:)];
isPlatform1InAction = NO;
_platforms1 = nil;
}
if (platform.position.x + platformWidth < targetCoordinate.x) {
returnCoordinate = pointZero;
isGap = YES;
//NSLog(@"gap.1");
}
}
if (!isGap && platform.position.x <= targetCoordinate.x && platform.position.x > -platformWidth) {
returnCoordinate = platform.position;
} else if (platform.position.x < -platformWidth) {
platform.visible = NO;
}
}
}
}
- (void)movePlatform2:(ccTime)dt
{
if (!isPaused) {
isGap = NO;
for (CCSprite *platform in _platforms2) {
platform.position = ccpAdd(platform.position, ccp(-platformSpeed,0));
if (platform == [_platforms2 objectAtIndex:_platforms2.count-1]) {
if (platform.position.x + platformWidth < winSize.width * [self calculateGapFactor]) {
if (isPlatform3InAction == NO) {
//NSLog(@"platform 3 should start!");
[self initPlatformWithId:3
andWithNum:[self randomValueBetween:2 andValue:10]
andCoordinateY:[self randomPlatformHeight]];
}
}
if (platform.position.x < -platformWidth) {
//NSLog(@"platform 2 stopped!");
[self unschedule:@selector(movePlatform2:)];
isPlatform2InAction = NO;
platform.visible = NO;
_platforms2 = nil;
}
if (platform.position.x + platformWidth < targetCoordinate.x) {
returnCoordinate = pointZero;
isGap = YES;
//NSLog(@"gap.2");
}
}
if (!isGap && platform.position.x <= targetCoordinate.x && platform.position.x > -platformWidth) {
returnCoordinate = platform.position;
} else if (platform.position.x < -platformWidth) {
platform.visible = NO;
}
}
}
}
- (void)movePlatform3:(ccTime)dt
{
if (!isPaused) {
isGap = NO;
for (CCSprite *platform in _platforms3) {
platform.position = ccpAdd(platform.position, ccp(-platformSpeed,0));
if (platform == [_platforms3 objectAtIndex:_platforms3.count-1]) {
if (platform.position.x + platformWidth < winSize.width * [self calculateGapFactor]) {
if (isPlatform1InAction == NO) {
//NSLog(@"platform 1 should start!");
[self initPlatformWithId:1
andWithNum:[self randomValueBetween:2 andValue:10]
andCoordinateY:[self randomPlatformHeight]];
}
}
if (platform.position.x < -platformWidth) {
//NSLog(@"platform 3 stopped!");
[self unschedule:@selector(movePlatform3:)];
isPlatform3InAction = NO;
platform.visible = NO;
_platforms3 = nil;
}
if (platform.position.x + platformWidth < targetCoordinate.x) {
returnCoordinate = pointZero;
isGap = YES;
//NSLog(@"gap.3");
}
}
if (!isGap && platform.position.x <= targetCoordinate.x && platform.position.x > -platformWidth) {
returnCoordinate = platform.position;
} else if (platform.position.x < -platformWidth) {
platform.visible = NO;
}
}
}
}
- (void) getImageSize
{
CCSprite *getFileSize = [CCSpritespriteWithFile:middleImageName];
platformWidth = getFileSize.textureRect.size.width;
platformHeight = getFileSize.textureRect.size.height;
pointZero = ccp(-platformWidth, -platformHeight);
//NSLog(@"%f, %f", platformWidth, platformHeight);
getFileSize = nil;
}
- (CGPoint)getYCoordinateAt:(CGPoint)coorX
{
targetCoordinate = coorX;
returnccpAdd(returnCoordinate, ccp(platformWidth, platformHeight));
}
- (void)paused:(BOOL)yesno
{
isPaused = yesno;
}
- (float) calculateGapFactor
{
return (1 - (platformSpeed * 5 / 100));
}
- (float)randomValueBetween:(float)low andValue:(float)high
{
return (((float) arc4random() / 0xFFFFFFFFu) * (high - low)) + low;
}
-(float)randomPlatformHeight
{
return (platformHeight * -[selfrandomValueBetween:0.0andValue:0.5]);
}
- (void) dealloc
{
_platforms1 = nil;
_platforms2 = nil;
_platforms3 = nil;
_imagePlatformLeft = nil;
_imagePlatformRight = nil;
_imagePlatformMid = nil;
leftImageName = nil;
middleImageName = nil;
rightImageName = nil;
[leftImageNamerelease];
[middleImageNamerelease];
[rightImageNamerelease];
[super dealloc];
}
@end