Cocos2d iphone 世界->；触摸时破坏关节（鼠标点）：EXC_坏访问
我有多个物理身体的精灵。用户一次移动一个精灵。将创建鼠标关节以支持移动。使用cocos2dv2.0 在查询abb（&callback，aabb）报告夹具后，在cctouchesStart中初始化鼠标关节。下面三种方法之间的逻辑重新鼠标连接 在接口内Cocos2d iphone 世界->；触摸时破坏关节（鼠标点）：EXC_坏访问,cocos2d-iphone,box2d,box2d-iphone,Cocos2d Iphone,Box2d,Box2d Iphone,我有多个物理身体的精灵。用户一次移动一个精灵。将创建鼠标关节以支持移动。使用cocos2dv2.0 在查询abb（&callback，aabb）报告夹具后，在cctouchesStart中初始化鼠标关节。下面三种方法之间的逻辑重新鼠标连接 在接口内 b2World* world; GLESDebugDraw *m_debugDraw; b2MouseJoint *mouseJoint; b2Body* groundBody; float
b2World* world;
GLESDebugDraw *m_debugDraw;
b2MouseJoint *mouseJoint;
b2Body* groundBody;
float _boxHeight;
float _boxWidth;
int sectionW;
b2MouseJoint *m_mouseJoint;
-(id) init
{
if( (self=[super init])) {
self.isTouchEnabled = YES;
// Load physics file
[[GB2ShapeCache sharedShapeCache] addShapesWithFile:@"imagesphysics.plist"];
// Add number images to cache
[[CCSpriteFrameCache sharedSpriteFrameCache] addSpriteFramesWithFile:@"images.plist"];
// init physics
[self initPhysics];
// Tags for the options are based on 500
int numberOfOptions = 2;
CGSize s = [CCDirector sharedDirector].winSize;
sectionW = s.width / numberOfOptions;
for (int i = 0; i < 2; i++) {
// Add target matching Sprites
CCSprite *targetSprite = [CCSprite spriteWithSpriteFrameName:[NSString stringWithFormat:@"%d.png",i+1]];
targetSprite.position = CGPointMake(i * sectionW + (sectionW/2.0) ,s.height * 0.75);
[targetSprite runAction:[CCTintBy actionWithDuration:0.2f red:50 green:50 blue:40]];
targetSprite.scale = 0.6f;
[self addChild:targetSprite z:30 tag:i+1];
// Add source matching physics sprites
[self addNewSpriteAtPosition:CGPointMake(i * sectionW + (sectionW/2.0) ,s.height * 0.35) number:i bodyType:b2_dynamicBody];
}
[self scheduleUpdate];
}
return self;
}
// Add Sprites
-(void) addNewSpriteAtPosition:(CGPoint)p number:(int)number bodyType:(b2BodyType)bodyType
{
CCLOG(@"Add sprite %0.2f x %02.f",p.x,p.y);
CCSprite *sprite = [CCSprite spriteWithSpriteFrameName:[NSString stringWithFormat:@"%d.png",number+1]];
sprite.scale = 0.6f;
sprite.position = ccp(p.x,p.y);
[self addChild:sprite z:35 tag:(number+1)+100];
// Define the dynamic body.
b2BodyDef bodyDef;
bodyDef.type = bodyType;
bodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO);
bodyDef.userData = sprite;
b2Body *body = world->CreateBody(&bodyDef);
// Load the fixture using the vertices file generated by Physics Editor
[[GB2ShapeCache sharedShapeCache] addFixturesToBody:body forShapeName:[NSString stringWithFormat:@"%d",number+1] forSprite:sprite];
[sprite setAnchorPoint:
[[GB2ShapeCache sharedShapeCache] anchorPointForShape:[NSString stringWithFormat:@"%d",number+1]]];
}
//Update the physics
-(void) update: (ccTime) dt
{
int32 velocityIterations = 8;
int32 positionIterations = 1;
CGSize s = [CCDirector sharedDirector].winSize;
world->Step(dt, velocityIterations, positionIterations);
world->ClearForces();
// Store objects to be destroyed
std::vector<b2Body *>toDestroy;
CCSprite *currentSprite;
CCSprite *targetSprite;
int currentTag;
for (b2Body *b = world->GetBodyList(); b; b=b->GetNext()) {
if (b->GetUserData() != NULL) {
CCSprite *obj = (CCSprite*)b->GetUserData();
obj.position = CGPointMake( b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO);
obj.rotation = -1 * CC_RADIANS_TO_DEGREES(b->GetAngle());
// Calculate the bounding box for this sprite
_boxHeight = obj.boundingBox.size.height;
_boxWidth = obj.boundingBox.size.width;
currentSprite = (CCSprite *)b->GetUserData();
currentTag = currentSprite.tag;
targetSprite = (CCSprite *)[self getChildByTag:currentTag - 100];
// SPECIFIC - matching sprite is tag + 100 of current userdata sprite for b object
float distX = b->GetPosition().x * PTM_RATIO - targetSprite.position.x;
float distY = b->GetPosition().y * PTM_RATIO - targetSprite.position.y;
if (distX * distX + distY * distY < (_boxWidth * _boxHeight) && b->GetType() == b2_dynamicBody) {
// Destroy object later
toDestroy.push_back(b);
}
} // if b-getuserdata
}
// Destroy objects
std::vector<b2Body *>::iterator pos2;
for(pos2 = toDestroy.begin(); pos2 != toDestroy.end(); ++pos2) {
b2Body *body = *pos2;
if (body->GetUserData() != NULL) {
// Remove target matching
CCSprite *sprite = (CCSprite *) body->GetUserData();
currentTag = currentSprite.tag;
targetSprite = (CCSprite *)[self getChildByTag:currentTag - 100];
[self removeChild:sprite cleanup:YES];
// Remove physics body associated with the Sprite
world->DestroyBody(body);
// This line has been commented then test and the error persist!!!!
[self addNewSpriteAtPosition:CGPointMake(targetSprite.position.x ,s.height * 0.75) number:targetSprite.tag-1 bodyType:b2_staticBody];
}
}
}
//Init physics
-(void) initPhysics
{
CGSize s = [[CCDirector sharedDirector] winSize];
b2Vec2 gravity;
gravity.Set(0.0f, -4.81f);
world = new b2World(gravity);
// Do we want to let bodies sleep?
world->SetAllowSleeping(true);
world->SetContinuousPhysics(true);
m_debugDraw = new GLESDebugDraw( PTM_RATIO );
//world->SetDebugDraw(m_debugDraw);
uint32 flags = 0;
flags += b2Draw::e_shapeBit;
flags += b2Draw::e_jointBit;
flags += b2Draw::e_aabbBit;
//flags += b2Draw::e_pairBit;
//flags += b2Draw::e_centerOfMassBit;
m_debugDraw->SetFlags(flags);
// Define the ground body.
b2BodyDef groundBodyDef;
groundBodyDef.position.Set(0, 0); // bottom-left corner
// Call the body factory which allocates memory for the ground body
// from a pool and creates the ground box shape (also from a pool).
// The body is also added to the world.
groundBody = world->CreateBody(&groundBodyDef);
// Define the ground box shape.
b2EdgeShape groundBox;
// bottom
groundBox.Set(b2Vec2(0,0), b2Vec2(s.width/PTM_RATIO,0));
groundBody->CreateFixture(&groundBox,0);
// top
groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO));
groundBody->CreateFixture(&groundBox,0);
// left
groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(0,0));
groundBody->CreateFixture(&groundBox,0);
// right
groundBox.Set(b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,0));
groundBody->CreateFixture(&groundBox,0);
}
//Touches handling
-(void)registerWithTouchDispatcher {
[[[CCDirector sharedDirector] touchDispatcher] addStandardDelegate:self priority:0];
}
-(void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint != NULL) return;
UITouch *myTouch = [touches anyObject];
CGPoint location = [myTouch locationInView:[myTouch view]];
location = [[CCDirector sharedDirector] convertToGL:location];
b2Vec2 p = b2Vec2(location.x / PTM_RATIO, location.y / PTM_RATIO);
// Make a small box.
b2AABB aabb;
b2Vec2 d;
d.Set(0.001f, 0.001f);
aabb.lowerBound = p - d;
aabb.upperBound = p + d;
// Query the world for overlapping shapes.
QueryCallback callback(p);
world->QueryAABB(&callback, aabb);
if (callback.m_fixture)
{
b2Body* body = callback.m_fixture->GetBody();
b2MouseJointDef md;
md.bodyA = groundBody;
md.bodyB = body;
md.target = p;
md.maxForce = 1500.0f * body->GetMass();
mouseJoint = nil;
mouseJoint = (b2MouseJoint*)world->CreateJoint(&md);
pointer = &mouseJoint;
NSLog(@"Pointer: %p", *pointer);
//mouseJoint = (b2MouseJoint*)world->CreateJoint(&md);
body->SetAwake(true);
}
[self ccTouchesMoved:touches withEvent:event];
}
-(void)ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint == NULL) return;
UITouch *touch = [touches anyObject];
CGPoint location = [touch locationInView: [touch view]];
location = [[CCDirector sharedDirector] convertToGL: location];
b2Vec2 locationWorld = b2Vec2(location.x / PTM_RATIO, location.y / PTM_RATIO);
mouseJoint->SetTarget(locationWorld);
}
-(void)ccTouchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint) {
world->DestroyJoint(mouseJoint); // TODO INVESTIGATE WHY THIS CAUSES A BAD ACCESS ERROR
mouseJoint = nil;
}
}
-(void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint) {
//CCLOG(@"WORLD is nil %d",world != nil);
//CCLOG(@"MOUSEJOINT is nil %d",mouseJoint != nil);
NSLog(@"Pointer: %p", *pointer);
mouseJoint->SetTarget(b2Vec2_zero);
world->DestroyJoint(mouseJoint); // TODO INVESTIGATE WHY THIS CAUSES A BAD ACCESS ERROR
mouseJoint = NULL;
CCLOG(@"MOUSE JOINT WAS DESTROYED SUCCESSFULLY!!!!!");
}
}
//Query Callback
class QueryCallback : public b2QueryCallback
{
public:
QueryCallback(const b2Vec2& point)
{
m_point = point;
m_fixture = NULL;
}
bool ReportFixture(b2Fixture* fixture)
{
b2Body* body = fixture->GetBody();
if (body->GetType() == b2_dynamicBody)
{
bool inside = fixture->TestPoint(m_point);
if (inside)
{
m_fixture = fixture;
// We are done, terminate the query.
return false;
}
}
// Continue the query.
return true;
}
b2Vec2 m_point;
b2Fixture* m_fixture;
};
-（id）init
{
if（（self=[super init]））{
self.isTouchEnabled=是；
//加载物理文件
[[GB2ShapeCache sharedShapeCache]addShapesWithFile:@“imagesphysics.plist”]；
//将数字图像添加到缓存
[[CCSpriteFrameCache sharedSpriteFrameCache]addSpriteFramesWithFile:@“images.plist”]；
//初始物理
[自始物理]；
//选项的标记基于500
int numberOfOptions=2；
CGSize=[CCDirector sharedDirector].winSize；
截面W=s.宽度/数量选项；
对于（int i=0；i<2；i++）{
//添加目标匹配精灵
CCSprite*targetSprite=[CCSprite spritewithpriteframename:[NSString stringWithFormat:@“%d.png”，i+1]]；
targetSprite.position=CGPointMake（i*sectionW+（sectionW/2.0），s.height*0.75）；
[targetSprite runAction:[CCTintBy Action，持续时间：0.2f红色：50绿色：50蓝色：40]；
targetSprite.scale=0.6f；
[self-addChild:targetSprite z:30标签：i+1]；
//添加源匹配物理精灵
[self-addNewSpriteAtPosition:CGPointMake（i*sectionW+（sectionW/2.0），s.height*0.35）编号：i车身类型：b2_dynamicBody]；
}
[自计划更新]；
}
回归自我；
}
//添加雪碧
-（void）addNewSpriteAtPosition:（CGPoint）p number:（int）number bodyType:（b2BodyType）bodyType
{
CCLOG（@“添加雪碧%0.2f x%02.f”，p.x，p.y）；
CCSprite*sprite=[CCSprite SpriteWithPriteFrameName:[NSString stringWithFormat:@“%d.png”，数字+1]]；
sprite.scale=0.6f；
sprite.position=ccp（p.x，p.y）；
[self addChild:sprite z:35标签：（数字+1）+100]；
//定义动态实体。
b2BodyDef-bodyDef；
bodyDef.type=bodyType；
车身定义位置设置（p.x/PTM_比率、p.y/PTM_比率）；
bodyDef.userData=sprite；
b2Body*body=world->CreateBody（&bodyDef）；
//使用物理编辑器生成的顶点文件加载设备
[[GB2ShapeCache sharedShapeCache]addFixturesToBody:body for ShapeName:[NSString stringWithFormat:@“%d”，number+1]for sprite:sprite]；
[sprite setAnchorPoint:
[[GB2ShapeCache sharedShapeCache]形状的主播点：[NSString stringWithFormat:@“%d”，数字+1]]；
}
//更新物理学
-（无效）更新：（ccTime）dt
{
int32速度迭代=8；
int32=1；
CGSize=[CCDirector sharedDirector].winSize；
世界->步长（dt、速度迭代、位置迭代）；
世界->清洁力量（）；
//存储要销毁的对象
std：：矢量编码；
CCSprite*当前sprite；
CCSprite*targetSprite；
int-currentTag；
对于（b2Body*b=world->GetBodyList（）；b；b=b->GetNext（））{
如果（b->GetUserData（）！=NULL）{
CCSprite*obj=（CCSprite*）b->GetUserData（）；
obj.position=CGPointMake（b->GetPosition（）.x*PTM_比率，b->GetPosition（）.y*PTM_比率）；
obj.rotation=-1*CC_弧度到_度（b->GetAngle（））；
//计算此精灵的边界框
_boxHeight=obj.boundingBox.size.height；
_boxWidth=obj.boundingBox.size.width；
currentSprite=（CCSprite*）b->GetUserData（）；
currentTag=currentSprite.tag；
targetSprite=（CCSprite*）[self-getChildByTag:currentTag-100]；
//特定-匹配的精灵是b对象的当前userdata精灵的标记+100
float distX=b->GetPosition（）.x*PTM_RATIO-targetSprite.position.x；
float distY=b->GetPosition（）.y*PTM_RATIO-targetSprite.position.y；
if（distX*distX+distY*distY<（\u-boxWidth*\u-boxHeight）&&b->GetType（）==b2\u-dynamicBody）{
//稍后销毁对象
toDestroy.向后推（b）；
}
}//如果b-getuserdata
}
//破坏物体
std:：vector:：迭代器pos2；
for（pos2=toDestroy.begin（）；pos2！=toDestroy.end（）；+pos2）{
b2Body*body=*pos2；
如果（body->GetUserData（）！=NULL）{
//删除目标匹配
CCSprite*sprite=（CCSprite*）body->GetUserData（）；
currentTag=currentSprite.tag；
targetSprite=（CCSprite*）[self-getChildByTag:currentTag-100]；
[自移除儿童：精灵清理：是]；
//移除与精灵关联的物理实体
世界->毁灭身体（身体）；
//该行已被注释，然后测试，错误仍然存在！！！！
[self-addNewSpriteAtPosition:CGPointMake（targetSprite.position.x，s.height*0.75）编号：targetSprite.tag-1 bodyType:b2_staticBody]；
}
}
}
//初始物理
-（空）物理
{
CGS大小=[
-(id) init
{
if( (self=[super init])) {
self.isTouchEnabled = YES;
// Load physics file
[[GB2ShapeCache sharedShapeCache] addShapesWithFile:@"imagesphysics.plist"];
// Add number images to cache
[[CCSpriteFrameCache sharedSpriteFrameCache] addSpriteFramesWithFile:@"images.plist"];
// init physics
[self initPhysics];
// Tags for the options are based on 500
int numberOfOptions = 2;
CGSize s = [CCDirector sharedDirector].winSize;
sectionW = s.width / numberOfOptions;
for (int i = 0; i < 2; i++) {
// Add target matching Sprites
CCSprite *targetSprite = [CCSprite spriteWithSpriteFrameName:[NSString stringWithFormat:@"%d.png",i+1]];
targetSprite.position = CGPointMake(i * sectionW + (sectionW/2.0) ,s.height * 0.75);
[targetSprite runAction:[CCTintBy actionWithDuration:0.2f red:50 green:50 blue:40]];
targetSprite.scale = 0.6f;
[self addChild:targetSprite z:30 tag:i+1];
// Add source matching physics sprites
[self addNewSpriteAtPosition:CGPointMake(i * sectionW + (sectionW/2.0) ,s.height * 0.35) number:i bodyType:b2_dynamicBody];
}
[self scheduleUpdate];
}
return self;
}
// Add Sprites
-(void) addNewSpriteAtPosition:(CGPoint)p number:(int)number bodyType:(b2BodyType)bodyType
{
CCLOG(@"Add sprite %0.2f x %02.f",p.x,p.y);
CCSprite *sprite = [CCSprite spriteWithSpriteFrameName:[NSString stringWithFormat:@"%d.png",number+1]];
sprite.scale = 0.6f;
sprite.position = ccp(p.x,p.y);
[self addChild:sprite z:35 tag:(number+1)+100];
// Define the dynamic body.
b2BodyDef bodyDef;
bodyDef.type = bodyType;
bodyDef.position.Set(p.x/PTM_RATIO, p.y/PTM_RATIO);
bodyDef.userData = sprite;
b2Body *body = world->CreateBody(&bodyDef);
// Load the fixture using the vertices file generated by Physics Editor
[[GB2ShapeCache sharedShapeCache] addFixturesToBody:body forShapeName:[NSString stringWithFormat:@"%d",number+1] forSprite:sprite];
[sprite setAnchorPoint:
[[GB2ShapeCache sharedShapeCache] anchorPointForShape:[NSString stringWithFormat:@"%d",number+1]]];
}
//Update the physics
-(void) update: (ccTime) dt
{
int32 velocityIterations = 8;
int32 positionIterations = 1;
CGSize s = [CCDirector sharedDirector].winSize;
world->Step(dt, velocityIterations, positionIterations);
world->ClearForces();
// Store objects to be destroyed
std::vector<b2Body *>toDestroy;
CCSprite *currentSprite;
CCSprite *targetSprite;
int currentTag;
for (b2Body *b = world->GetBodyList(); b; b=b->GetNext()) {
if (b->GetUserData() != NULL) {
CCSprite *obj = (CCSprite*)b->GetUserData();
obj.position = CGPointMake( b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO);
obj.rotation = -1 * CC_RADIANS_TO_DEGREES(b->GetAngle());
// Calculate the bounding box for this sprite
_boxHeight = obj.boundingBox.size.height;
_boxWidth = obj.boundingBox.size.width;
currentSprite = (CCSprite *)b->GetUserData();
currentTag = currentSprite.tag;
targetSprite = (CCSprite *)[self getChildByTag:currentTag - 100];
// SPECIFIC - matching sprite is tag + 100 of current userdata sprite for b object
float distX = b->GetPosition().x * PTM_RATIO - targetSprite.position.x;
float distY = b->GetPosition().y * PTM_RATIO - targetSprite.position.y;
if (distX * distX + distY * distY < (_boxWidth * _boxHeight) && b->GetType() == b2_dynamicBody) {
// Destroy object later
toDestroy.push_back(b);
}
} // if b-getuserdata
}
// Destroy objects
std::vector<b2Body *>::iterator pos2;
for(pos2 = toDestroy.begin(); pos2 != toDestroy.end(); ++pos2) {
b2Body *body = *pos2;
if (body->GetUserData() != NULL) {
// Remove target matching
CCSprite *sprite = (CCSprite *) body->GetUserData();
currentTag = currentSprite.tag;
targetSprite = (CCSprite *)[self getChildByTag:currentTag - 100];
[self removeChild:sprite cleanup:YES];
// Remove physics body associated with the Sprite
world->DestroyBody(body);
// This line has been commented then test and the error persist!!!!
[self addNewSpriteAtPosition:CGPointMake(targetSprite.position.x ,s.height * 0.75) number:targetSprite.tag-1 bodyType:b2_staticBody];
}
}
}
//Init physics
-(void) initPhysics
{
CGSize s = [[CCDirector sharedDirector] winSize];
b2Vec2 gravity;
gravity.Set(0.0f, -4.81f);
world = new b2World(gravity);
// Do we want to let bodies sleep?
world->SetAllowSleeping(true);
world->SetContinuousPhysics(true);
m_debugDraw = new GLESDebugDraw( PTM_RATIO );
//world->SetDebugDraw(m_debugDraw);
uint32 flags = 0;
flags += b2Draw::e_shapeBit;
flags += b2Draw::e_jointBit;
flags += b2Draw::e_aabbBit;
//flags += b2Draw::e_pairBit;
//flags += b2Draw::e_centerOfMassBit;
m_debugDraw->SetFlags(flags);
// Define the ground body.
b2BodyDef groundBodyDef;
groundBodyDef.position.Set(0, 0); // bottom-left corner
// Call the body factory which allocates memory for the ground body
// from a pool and creates the ground box shape (also from a pool).
// The body is also added to the world.
groundBody = world->CreateBody(&groundBodyDef);
// Define the ground box shape.
b2EdgeShape groundBox;
// bottom
groundBox.Set(b2Vec2(0,0), b2Vec2(s.width/PTM_RATIO,0));
groundBody->CreateFixture(&groundBox,0);
// top
groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO));
groundBody->CreateFixture(&groundBox,0);
// left
groundBox.Set(b2Vec2(0,s.height/PTM_RATIO), b2Vec2(0,0));
groundBody->CreateFixture(&groundBox,0);
// right
groundBox.Set(b2Vec2(s.width/PTM_RATIO,s.height/PTM_RATIO), b2Vec2(s.width/PTM_RATIO,0));
groundBody->CreateFixture(&groundBox,0);
}
//Touches handling
-(void)registerWithTouchDispatcher {
[[[CCDirector sharedDirector] touchDispatcher] addStandardDelegate:self priority:0];
}
-(void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint != NULL) return;
UITouch *myTouch = [touches anyObject];
CGPoint location = [myTouch locationInView:[myTouch view]];
location = [[CCDirector sharedDirector] convertToGL:location];
b2Vec2 p = b2Vec2(location.x / PTM_RATIO, location.y / PTM_RATIO);
// Make a small box.
b2AABB aabb;
b2Vec2 d;
d.Set(0.001f, 0.001f);
aabb.lowerBound = p - d;
aabb.upperBound = p + d;
// Query the world for overlapping shapes.
QueryCallback callback(p);
world->QueryAABB(&callback, aabb);
if (callback.m_fixture)
{
b2Body* body = callback.m_fixture->GetBody();
b2MouseJointDef md;
md.bodyA = groundBody;
md.bodyB = body;
md.target = p;
md.maxForce = 1500.0f * body->GetMass();
mouseJoint = nil;
mouseJoint = (b2MouseJoint*)world->CreateJoint(&md);
pointer = &mouseJoint;
NSLog(@"Pointer: %p", *pointer);
//mouseJoint = (b2MouseJoint*)world->CreateJoint(&md);
body->SetAwake(true);
}
[self ccTouchesMoved:touches withEvent:event];
}
-(void)ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint == NULL) return;
UITouch *touch = [touches anyObject];
CGPoint location = [touch locationInView: [touch view]];
location = [[CCDirector sharedDirector] convertToGL: location];
b2Vec2 locationWorld = b2Vec2(location.x / PTM_RATIO, location.y / PTM_RATIO);
mouseJoint->SetTarget(locationWorld);
}
-(void)ccTouchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint) {
world->DestroyJoint(mouseJoint); // TODO INVESTIGATE WHY THIS CAUSES A BAD ACCESS ERROR
mouseJoint = nil;
}
}
-(void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
if (mouseJoint) {
//CCLOG(@"WORLD is nil %d",world != nil);
//CCLOG(@"MOUSEJOINT is nil %d",mouseJoint != nil);
NSLog(@"Pointer: %p", *pointer);
mouseJoint->SetTarget(b2Vec2_zero);
world->DestroyJoint(mouseJoint); // TODO INVESTIGATE WHY THIS CAUSES A BAD ACCESS ERROR
mouseJoint = NULL;
CCLOG(@"MOUSE JOINT WAS DESTROYED SUCCESSFULLY!!!!!");
}
}
//Query Callback
class QueryCallback : public b2QueryCallback
{
public:
QueryCallback(const b2Vec2& point)
{
m_point = point;
m_fixture = NULL;
}
bool ReportFixture(b2Fixture* fixture)
{
b2Body* body = fixture->GetBody();
if (body->GetType() == b2_dynamicBody)
{
bool inside = fixture->TestPoint(m_point);
if (inside)
{
m_fixture = fixture;
// We are done, terminate the query.
return false;
}
}
// Continue the query.
return true;
}
b2Vec2 m_point;
b2Fixture* m_fixture;
};
-(void)touchBegin:(LHTouchInfo*)info {
CGPoint location = [[CCDirector sharedDirector] convertToGL: [info.touch locationInView: [info.touch view]]];
_lastBrickTouched = info.sprite;
_mouseJoint = [lh mouseJointForBody: _lastBrickTouched.body touchPoint: location];
}
-(void)touchMoved:(LHTouchInfo*)info{
CGPoint touchZone = [info.touch locationInView:[info.touch view]];
touchZone = [[CCDirector sharedDirector] convertToGL:touchZone];
b2Vec2 p;
p.Set(touchZone.x/PTM_RATIO, touchZone.y/PTM_RATIO);
if (_mouseJoint != nil)
{
_mouseJoint->SetTarget(p);
}
}
-(void)touchEnded:(LHTouchInfo*)info {
if (_mouseJoint != nil) {
world->DestroyJoint(_mouseJoint);
_mouseJoint = nil;
}
}
- (void) touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event
{
if (mouseJoint != NULL)
{
world->DestroyJoint(mouseJoint);
mouseJoint = NULL;
}
}
-(void)destroyActor:(ObjectView *)objectView
{
b2Body* b = (b2Body*)objectView.tag;
// Destroy mouseJoint if attached to body b
b2JointEdge* jl = b->GetJointList();
while (jl)
{
b2Joint* j = jl->joint;
if (j == mouseJoint)
{
world->DestroyJoint(j);
mouseJoint = NULL;
break;
}
jl = jl->next;
}
world->DestroyBody(b);
[objectView removeFromSuperview];
[objectView release];
}
Thread 1, Queue : com.apple.main-thread
error: address doesn't contain a section that points to a section in a object file
class MouseJointHelper
{
Body fictionalBody;
MouseJoint createJoint(...) //here we create joint, using fictional body
void destroyJointAndBodies(MouseJoint joint) //destroy joint and bodyA, assuming that bodyB is the same for all (fictional body)
void dispose() //in destructor method destroy fictional body
};