残酷の青春

Clone the TapkuLibrary git repository: `git clone git://github.com/devinross/tapkulibrary.git`. Make sure you store the repository in a permanent place because Xcode will need to reference the files every time you compile your project.
Locate the src/TapkuLibrary.xcodeproj and src/TapkuLibrary.bundle and add these to your XCode project (Figure 1). (use ‘Add files to project’ from ‘File’ menu instead of dragging and dropping, to prevent crash when adding target dependency in next step. c.f. Xcode 4 bug)

Figure 1
Select your main Xcode project from the sidebar in Xcode and then select the project target. Select the Build Phases tab.
Under the Target Dependencies group, click the plus button, select TapkuLibrary from the menu, and choose Add. (Figure 2)
Under the Link Binary With Libraries group, click the plus button, select libTapkuLibrary.a from the menu, and choose Add. Also add MapKit and QuartzCore. (Figure 2)

Figure 2
Choose the Build Settings tab. Make sure All in the top left of the bar under the tabs. Add the path to the src folder to Header Search Path (do not click the Recursive checkbox). Add -all_load -ObjC to Other Linker Flags.

Posted in Cocoa, resources | No Comments »

UIPageControl例子

星期三, 七月 20th, 2011

http://www.edumobile.org/iphone/iphone-programming-tutorials/pagecontrol-example-in-iphone/
PageControlExample

Posted in Cocoa, how to, resources, 源码 | No Comments »

Property List Programming Guide

星期四, 七月 7th, 2011

Property List Programming Guide

Posted in Cocoa, how to, resources | No Comments »

IPhone 中的字体

星期三, 七月 6th, 2011

2011-07-06 16:58:04.244 PinkLottery[5602:207] Arial Hebrew
2011-07-06 16:58:04.245 PinkLottery[5602:207] Zapfino
2011-07-06 16:58:04.245 PinkLottery[5602:207] Oriya Sangam MN
2011-07-06 16:58:04.246 PinkLottery[5602:207] Cochin
2011-07-06 16:58:04.247 PinkLottery[5602:207] Baskerville
2011-07-06 16:58:04.247 PinkLottery[5602:207] Palatino
2011-07-06 16:58:04.248 PinkLottery[5602:207] Chalkboard SE
2011-07-06 16:58:04.250 PinkLottery[5602:207] Gurmukhi MN
2011-07-06 16:58:04.250 PinkLottery[5602:207] Verdana
2011-07-06 16:58:04.251 PinkLottery[5602:207] Tamil Sangam MN
2011-07-06 16:58:04.251 PinkLottery[5602:207] Marker Felt
2011-07-06 16:58:04.252 PinkLottery[5602:207] Courier New
2011-07-06 16:58:04.253 PinkLottery[5602:207] Courier
2011-07-06 16:58:04.253 PinkLottery[5602:207] Trebuchet MS
2011-07-06 16:58:04.254 PinkLottery[5602:207] DB LCD Temp
2011-07-06 16:58:04.255 PinkLottery[5602:207] Apple Color Emoji
2011-07-06 16:58:04.255 PinkLottery[5602:207] Arial Rounded MT Bold
2011-07-06 16:58:04.256 PinkLottery[5602:207] Bangla Sangam MN
2011-07-06 16:58:04.257 PinkLottery[5602:207] Telugu Sangam MN
2011-07-06 16:58:04.313 PinkLottery[5602:207] American Typewriter
2011-07-06 16:58:04.314 PinkLottery[5602:207] Arial
2011-07-06 16:58:04.314 PinkLottery[5602:207] Kailasa
2011-07-06 16:58:04.315 PinkLottery[5602:207] AppleGothic
2011-07-06 16:58:04.315 PinkLottery[5602:207] Hiragino Kaku Gothic ProN
2011-07-06 16:58:04.316 PinkLottery[5602:207] Heiti SC
2011-07-06 16:58:04.316 PinkLottery[5602:207] Malayalam Sangam MN
2011-07-06 16:58:04.317 PinkLottery[5602:207] Thonburi
2011-07-06 16:58:04.317 PinkLottery[5602:207] Helvetica
2011-07-06 16:58:04.318 PinkLottery[5602:207] Noteworthy
2011-07-06 16:58:04.318 PinkLottery[5602:207] Gujarati Sangam MN
2011-07-06 16:58:04.319 PinkLottery[5602:207] Heiti K
2011-07-06 16:58:04.319 PinkLottery[5602:207] Futura
2011-07-06 16:58:04.320 PinkLottery[5602:207] Devanagari Sangam MN
2011-07-06 16:58:04.321 PinkLottery[5602:207] Heiti TC
2011-07-06 16:58:04.322 PinkLottery[5602:207] Sinhala Sangam MN
2011-07-06 16:58:04.322 PinkLottery[5602:207] Kannada Sangam MN
2011-07-06 16:58:04.323 PinkLottery[5602:207] Georgia
2011-07-06 16:58:04.654 PinkLottery[5602:207] Heiti J
2011-07-06 16:58:04.655 PinkLottery[5602:207] Times New Roman
2011-07-06 16:58:04.655 PinkLottery[5602:207] Snell Roundhand
2011-07-06 16:58:04.656 PinkLottery[5602:207] Geeza Pro
2011-07-06 16:58:04.656 PinkLottery[5602:207] Helvetica Neue

http://cc.cocimg.com/bbs/attachment/Fid_6/6_18112_99e927eed27a214.gif

Posted in Cocoa, resources | No Comments »

ios图表

星期四, 六月 30th, 2011

Core Plot
教程1
教程2

Posted in Cocoa, resources | No Comments »

Cocos2d notes(7) physics engines

星期五, 六月 17th, 2011

Chipmunk SpaceManager
Chipmunk SpaceManager Documentation
Chipmunk Physics
Chipmunk Documentation
Box2D Documents
Box2D API Reference

Box2D

header定义，几乎没变化，只是增加了Box2D的头文件

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#import "cocos2d.h"
#import "Box2D.h"
#import "GLES-Render.h"

enum
{
kTagBatchNode,
};

@interface HelloWorld : CCLayer
{
b2World* world;
}

// returns a Scene that contains the HelloWorld as the only child
+(id) scene;

@end

初始化Box2D世界
b2Vec2 gravity = b2Vec2(0.0f, -10.0f);
bool allowBodiesToSleep = true;
world = new b2World(gravity, allowBodiesToSleep);

销毁时

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-(void) dealloc
{
delete world;
[super dealloc];
}

关于什么是Sleeping body

It’s a trick that allows the physics simulation to quickly skip over
objects that do not need processing. A dynamic body goes to sleep when the forces
applied to it have been below a threshold for a certain amount of time. In other words, if
268 CHAPTER 12: Physics Engines
the dynamic body is moving and rotating very slowly or not at all, the physics engine will
flag it as sleeping and won’t apply forces to it anymore—that is, unless an impulse or force
applied to the body is strong enough to make the body move or rotate again. This trick
allows the physics engine to save time by not processing the bodies that are at rest.
Unless all of your game’s dynamic bodies are in constant motion, you should enable this
feature by setting the allowBodiesToSleep variable to true,

限制对象运动的屏幕
(Box2D的单位全是公制单位，即长度用米，重量用千克，时间用秒)

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// Define the static container body, which will provide the collisions at screen borders.
b2BodyDef containerBodyDef;
b2Body* containerBody = world->CreateBody(&containerBodyDef);

// for the ground body we'll need these values
// PTM pixel转换成公制长度的产量
CGSize screenSize = [CCDirector sharedDirector].winSize;
float widthInMeters = screenSize.width / PTM_RATIO;
float heightInMeters = screenSize.height / PTM_RATIO;
b2Vec2 lowerLeftCorner = b2Vec2(0, 0);
b2Vec2 lowerRightCorner = b2Vec2(widthInMeters, 0);
b2Vec2 upperLeftCorner = b2Vec2(0, heightInMeters);
b2Vec2 upperRightCorner = b2Vec2(widthInMeters, heightInMeters);

// Create the screen box' sides by using a polygon assigning each side individually.
b2PolygonShape screenBoxShape;
int density = 0;

// bottom
screenBoxShape.SetAsEdge(lowerLeftCorner, lowerRightCorner);
containerBody->CreateFixture(&screenBoxShape, density);

// top
screenBoxShape.SetAsEdge(upperLeftCorner, upperRightCorner);
containerBody->CreateFixture(&screenBoxShape, density);

// left side
screenBoxShape.SetAsEdge(upperLeftCorner, lowerLeftCorner);
containerBody->CreateFixture(&screenBoxShape, density);

// right side
screenBoxShape.SetAsEdge(upperRightCorner, lowerRightCorner);
containerBody->CreateFixture(&screenBoxShape, density);

#define PTM_RATIO 32
代表32像素代表Box2D中的1米

转换

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-(b2Vec2) toMeters:(CGPoint)point
{
return b2Vec2(point.x / PTM_RATIO, point.y / PTM_RATIO);
}
-(CGPoint) toPixels:(b2Vec2)vec
{
return ccpMult(CGPointMake(vec.x, vec.y), PTM_RATIO);
}

创建Box2D Sprite

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// Use the orthogonal tileset for the little boxes
CCSpriteBatchNode* batch = [CCSpriteBatchNode batchNodeWithFile:@"dg_grounds32.png" capacity:TILESET_ROWS * TILESET_COLUMNS];
[self addChild:batch z:0 tag:kTagBatchNode];

// Add a few objects initially
for (int i = 0; i < 11; i++)
{
[self addNewSpriteAt:CGPointMake(screenSize.width / 2, screenSize.height / 2)];
}

[self scheduleUpdate];

self.isTouchEnabled = YES;

-(void) addNewSpriteAt:(CGPoint)pos
{
CCSpriteBatchNode* batch = (CCSpriteBatchNode*)[self getChildByTag:kTagBatchNode];

int idx = CCRANDOM_0_1() * TILESET_COLUMNS;
int idy = CCRANDOM_0_1() * TILESET_ROWS;
CGRect tileRect = CGRectMake(TILESIZE * idx, TILESIZE * idy, TILESIZE, TILESIZE);
CCSprite* sprite = [CCSprite spriteWithBatchNode:batch rect:tileRect];
sprite.position = pos;
[batch addChild:sprite];

// Create a body definition and set it to be a dynamic body
b2BodyDef bodyDef;
bodyDef.type = b2_dynamicBody;

// position must be converted to meters
bodyDef.position = [self toMeters:pos];

// assign the sprite as userdata so it's easy to get to the sprite when working with the body
bodyDef.userData = sprite;
b2Body* body = world->CreateBody(&bodyDef);

// Define another box shape for our dynamic body.
b2PolygonShape dynamicBox;
float tileInMeters = TILESIZE / PTM_RATIO;
dynamicBox.SetAsBox(tileInMeters * 0.5f, tileInMeters * 0.5f);

// Define the dynamic body fixture.
b2FixtureDef fixtureDef;
fixtureDef.shape = &dynamicBox;
fixtureDef.density = 0.3f;
fixtureDef.friction = 0.5f;
fixtureDef.restitution = 0.6f;
body->CreateFixture(&fixtureDef);
}

让sprite动起来
事实上，通过以上代码还不能让每个sprite运动起来，还是需要通过sheduleUpdate触发每次计算world里存在的各个body，计算一定timeStep时间内他们的运动情况，然后给sprite设置属性

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-(void) update:(ccTime)delta
{
// The number of iterations influence the accuracy of the physics simulation. With higher values the
// body's velocity and position are more accurately tracked but at the cost of speed.
// Usually for games only 1 position iteration is necessary to achieve good results.
float timeStep = 0.03f;
int32 velocityIterations = 8;
int32 positionIterations = 1;
world->Step(timeStep, velocityIterations, positionIterations);

// for each body, get its assigned sprite and update the sprite's position
for (b2Body* body = world->GetBodyList(); body != nil; body = body->GetNext())
{
CCSprite* sprite = (CCSprite*)body->GetUserData();
if (sprite != NULL)
{
// update the sprite's position to where their physics bodies are
sprite.position = [self toPixels:body->GetPosition()];
float angle = body->GetAngle();
sprite.rotation = CC_RADIANS_TO_DEGREES(angle) * -1;
}
}
}

碰撞检测
* 如果把.m文件后缀改成.mm则可以在其中同时使用objc和c++语法，box2d是c++写的，所以。。

b2ContactListener类支持两个事件，注意一下都是c++代码了
ContactListener.h

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#import "Box2D.h"

class ContactListener : public b2ContactListener
{
private:
void BeginContact(b2Contact* contact);
void EndContact(b2Contact* contact);
};

.mm

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#import "ContactListener.h"
#import "cocos2d.h"

void ContactListener::BeginContact(b2Contact* contact)
{
b2Body* bodyA = contact->GetFixtureA()->GetBody();
b2Body* bodyB = contact->GetFixtureB()->GetBody();
CCSprite* spriteA = (CCSprite*)bodyA->GetUserData();
CCSprite* spriteB = (CCSprite*)bodyB->GetUserData();

if (spriteA != NULL && spriteB != NULL)
{
spriteA.color = ccMAGENTA;
spriteB.color = ccMAGENTA;
}
}

void ContactListener::EndContact(b2Contact* contact)
{
b2Body* bodyA = contact->GetFixtureA()->GetBody();
b2Body* bodyB = contact->GetFixtureB()->GetBody();
CCSprite* spriteA = (CCSprite*)bodyA->GetUserData();
CCSprite* spriteB = (CCSprite*)bodyB->GetUserData();

if (spriteA != NULL && spriteB != NULL)
{
spriteA.color = ccWHITE;
spriteB.color = ccWHITE;
}
}

在layer中加入listener

1 2	contactListener = new ContactListener(); world->SetContactListener(contactListener);

Joint

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// Create a body definition and set it to be a dynamic body
b2BodyDef bodyDef;
bodyDef.type = b2_dynamicBody;

// position must be converted to meters
bodyDef.position = [self toMeters:pos];
bodyDef.position = bodyDef.position + b2Vec2(-1, -1);
bodyDef.userData = [self addRandomSpriteAt:pos];
b2Body* bodyA = world->CreateBody(&bodyDef);
[self bodyCreateFixture:bodyA];

bodyDef.position = [self toMeters:pos];
bodyDef.userData = [self addRandomSpriteAt:pos];
b2Body* bodyB = world->CreateBody(&bodyDef);
[self bodyCreateFixture:bodyB];

bodyDef.position = [self toMeters:pos];
bodyDef.position = bodyDef.position + b2Vec2(1, 1);
bodyDef.userData = [self addRandomSpriteAt:pos];
b2Body* bodyC = world->CreateBody(&bodyDef);
[self bodyCreateFixture:bodyC];

b2RevoluteJointDef jointDef;
jointDef.Initialize(bodyA, bodyB, bodyB->GetWorldCenter());
bodyA->GetWorld()->CreateJoint(&jointDef);

jointDef.Initialize(bodyB, bodyC, bodyC->GetWorldCenter());
bodyA->GetWorld()->CreateJoint(&jointDef);

// create an invisible static body to attach to
bodyDef.type = b2_staticBody;
bodyDef.position = [self toMeters:pos];
b2Body* staticBody = world->CreateBody(&bodyDef);
jointDef.Initialize(staticBody, bodyA, bodyA->GetWorldCenter());
bodyA->GetWorld()->CreateJoint(&jointDef);

Chipmunk

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#import "cocos2d.h"
#import "chipmunk.h"

enum
{
kTagBatchNode = 1,
};

@interface HelloWorld : CCLayer
{
cpSpace* space;
}

+(id) scene;

@end

space等同于box2d中的world

初始化

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cpInitChipmunk();

space = cpSpaceNew();
space->iterations = 8;
space->gravity = CGPointMake(0, -100);

销毁

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-(void) dealloc
{
cpSpaceFree(space);
[super dealloc];
}

设置ground body(容器)

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// for the ground body we'll need these values
CGSize screenSize = [CCDirector sharedDirector].winSize;
CGPoint lowerLeftCorner = CGPointMake(0, 0);
CGPoint lowerRightCorner = CGPointMake(screenSize.width, 0);
CGPoint upperLeftCorner = CGPointMake(0, screenSize.height);
CGPoint upperRightCorner = CGPointMake(screenSize.width, screenSize.height);

// Create the static body that keeps objects within the screen area
float mass = INFINITY;
float inertia = INFINITY;
cpBody* staticBody = cpBodyNew(mass, inertia);

创建容器边缘

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cpShape* shape;
float elasticity = 1.0f;
float friction = 1.0f;
float radius = 0.0f;

// bottom
shape = cpSegmentShapeNew(staticBody, lowerLeftCorner, lowerRightCorner, radius);
shape->e = elasticity;
shape->u = friction;
cpSpaceAddStaticShape(space, shape);

// top
shape = cpSegmentShapeNew(staticBody, upperLeftCorner, upperRightCorner, radius);
shape->e = elasticity;
shape->u = friction;
cpSpaceAddStaticShape(space, shape);

// left
shape = cpSegmentShapeNew(staticBody, lowerLeftCorner, upperLeftCorner, radius);
shape->e = elasticity;
shape->u = friction;
cpSpaceAddStaticShape(space, shape);

// right
shape = cpSegmentShapeNew(staticBody, lowerRightCorner, upperRightCorner, radius);
shape->e = elasticity;
shape->u = friction;
cpSpaceAddStaticShape(space, shape);

添加Sprite

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-(CCSprite*) addRandomSpriteAt:(CGPoint)pos
{
CCSpriteBatchNode* batch = (CCSpriteBatchNode*)[self getChildByTag:kTagBatchNode];

int idx = CCRANDOM_0_1() * TILESET_COLUMNS;
int idy = CCRANDOM_0_1() * TILESET_ROWS;
CGRect tileRect = CGRectMake(TILESIZE * idx, TILESIZE * idy, TILESIZE, TILESIZE);
CCSprite* sprite = [CCSprite spriteWithBatchNode:batch rect:tileRect];
sprite.position = pos;
[batch addChild:sprite];

return sprite;
}

-(void) addNewSpriteAt:(CGPoint)pos
{
float mass = 0.5f;
float moment = cpMomentForBox(mass, TILESIZE, TILESIZE);
cpBody* body = cpBodyNew(mass, moment);

body->p = pos;
cpSpaceAddBody(space, body);

float halfTileSize = TILESIZE * 0.5f;
int numVertices = 4;
CGPoint vertices[] =
{
CGPointMake(-halfTileSize, -halfTileSize),
CGPointMake(-halfTileSize, halfTileSize),
CGPointMake(halfTileSize, halfTileSize),
CGPointMake(halfTileSize, -halfTileSize),
};

CGPoint offset = CGPointZero;
float elasticity = 0.3f;
float friction = 0.7f;

cpShape* shape = cpPolyShapeNew(body, numVertices, vertices, offset);
shape->e = elasticity;
shape->u = friction;
shape->data = [self addRandomSpriteAt:pos];
cpSpaceAddShape(space, shape);
}

update

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// C method that updates sprite position and rotation:
static void forEachShape(void* shapePointer, void* data)
{
cpShape* shape = (cpShape*)shapePointer;
CCSprite* sprite = (CCSprite*)shape->data;
if (sprite != nil)
{
cpBody* body = shape->body;
sprite.position = body->p;
sprite.rotation = CC_RADIANS_TO_DEGREES(body->a) * -1;
}
}

-(void) update:(ccTime)delta
{
float timeStep = 0.03f;
cpSpaceStep(space, timeStep);

// call forEachShape C method to update sprite positions
cpSpaceHashEach(space->activeShapes, &forEachShape, nil);
cpSpaceHashEach(space->staticShapes, &forEachShape, nil);
}

检测碰撞

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// C callback methods for collision handling
static int contactBegin(cpArbiter* arbiter, struct cpSpace* space, void* data)
{
bool processCollision = YES;

cpShape* shapeA;
cpShape* shapeB;
cpArbiterGetShapes(arbiter, &shapeA, &shapeB);

CCSprite* spriteA = (CCSprite*)shapeA->data;
CCSprite* spriteB = (CCSprite*)shapeB->data;
if (spriteA != nil && spriteB != nil)
{
spriteA.color = ccMAGENTA;
spriteB.color = ccMAGENTA;
}

return processCollision;
}

static void contactEnd(cpArbiter* arbiter, cpSpace* space, void* data)
{
cpShape* shapeA;
cpShape* shapeB;
cpArbiterGetShapes(arbiter, &shapeA, &shapeB);

CCSprite* spriteA = (CCSprite*)shapeA->data;
CCSprite* spriteB = (CCSprite*)shapeB->data;
if (spriteA != nil && spriteB != nil)
{
spriteA.color = ccWHITE;
spriteB.color = ccWHITE;
}
}

添加listener

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// Add the collision handlers
unsigned int defaultCollisionType = 0;
cpSpaceAddCollisionHandler(space, defaultCollisionType, defaultCollisionType,
&contactBegin, NULL, NULL, &contactEnd, NULL);

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pokeb / asi-http-request

enormego cocoa helper

SVSegmentedControl

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UIPageControl例子

Property List Programming Guide

IPhone 中的字体

ios图表

Cocos2d notes(7) physics engines

Box2D

Chipmunk

一个TiledMap素材网站

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