在我的应用程序中,每次我的精灵与另一个精灵碰撞时,我希望我的“健康栏”减少 10% 的 100%。我已经把碰撞的东西放下了。我该怎么做?这是我的 init 中用于创建进度计时器的代码:
CCSprite *healthFull = [CCSprite spriteWithFile:@"Health Bar.png"];
CCSprite *healthBorder = [CCSprite spriteWithFile:@"Health Bar Border.png"];
[self addChild:healthBorder z:5];
healthBorder.position = ccp(size.width / 2, 300);
health = [CCProgressTimer progressWithSprite:healthFull];
health.type = kCCProgressTimerTypeBar;
health.midpoint = ccp(1,0); // starts from right
health.barChangeRate = ccp(-1,0); // grow only in the "x"-horizontal direction
health.percentage = 100; // (0 - 100)
[self addChild:health];
health.position = ccp(size.width /2, 300);
这就是我想将进度计时器从 100% 逐步减少 10% 的地方:
-(void)subtractLife{
}