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嘿家伙我有一个问题在这里,我如何创建一个身体,将不具有物理功能,直到我按下它?我在我的initCocos2d,Box2D静物直到输入
CCSprite *tail = [CCSprite spriteWithFile:@"Ball.jpg"];
[self addChild:tail z:1];
b2BodyDef tailBodyDef;
tailBodyDef.type = b2_dynamicBody;
tailBodyDef.position.Set(100/PTM_RATIO, 100/PTM_RATIO);
tailBodyDef.userData = tail;
tailBody = world->CreateBody(&tailBodyDef);
b2CircleShape circle;
circle.m_radius = 26.0/PTM_RATIO;
b2FixtureDef tailShapeDef;
tailShapeDef.shape = &circle;
tailShapeDef.density = 1.0f;
tailShapeDef.friction = 0.2f;
tailShapeDef.restitution = 0.8f;
tailBody->CreateFixture(&tailShapeDef);
[self schedule: @selector(tick:)];
球会落屏幕的边缘,在游戏开始,但多数民众赞成不是我想要的这个代码。我希望它保持在同一个位置,直到我按下它。无论如何,我可以把物体放回去,直到我给出一些输入?
非常感谢您!它像魅力一样工作 – Bek 2012-02-15 16:57:10