我正在使用加速度計在屏幕上移動幾個UIImageViews
,此刻加速度計僅適用於NSTimer
爲0時,這很好。當發生不同的功能時,我還想讓加速度計再次停止。IPhone SDK停止加速度計從工作時發生什麼
,這裏是我的時刻代碼:
-(BOOL) accelerometerWorks {
return time == 0;
}
-(void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration{
if(![self accelerometerWorks]) return;
valueX = acceleration.x*25.5;
int newX = (int)(ball.center.x +valueX);
if (newX > 320-BALL_RADIUS)
newX = 320-BALL_RADIUS;
if (newX < 0+BALL_RADIUS)
newX = 0+BALL_RADIUS;
int XA = (int)(balloonbit1.center.x +valueX);
if (XA > 320-BALL_RADIUS)
XA = 320-BALL_RADIUS;
if (XA < 0+BALL_RADIUS)
XA = 0+BALL_RADIUS;
int XB = (int)(balloonbit2.center.x +valueX);
if (XB > 320-BALL_RADIUS)
XB = 320-BALL_RADIUS;
if (XB < 0+BALL_RADIUS)
XB = 0+BALL_RADIUS;
int XI = (int)(balloonbit3.center.x +valueX);
if (XI > 320-BALL_RADIUS)
XI = 320-BALL_RADIUS;
if (XI < 0+BALL_RADIUS)
XI = 0+BALL_RADIUS;
int XJ = (int)(balloonbit4.center.x +valueX);
if (XJ > 320-BALL_RADIUS)
XJ = 320-BALL_RADIUS;
if (XJ < 0+BALL_RADIUS)
XJ = 0+BALL_RADIUS;
int XE = (int)(balloonbit5.center.x +valueX);
if (XE > 320-BALL_RADIUS)
XE = 320-BALL_RADIUS;
if (XE < 0+BALL_RADIUS)
XE = 0+BALL_RADIUS;
int XF = (int)(balloonbit6.center.x +valueX);
if (XF > 320-BALL_RADIUS)
XF = 320-BALL_RADIUS;
if (XF < 0+BALL_RADIUS)
XF = 0+BALL_RADIUS;
int XH = (int)(balloonbit8.center.x +valueX);
if (XH > 320-BALL_RADIUS)
XH = 320-BALL_RADIUS;
if (XH < 0+BALL_RADIUS)
XH = 0+BALL_RADIUS;
ball.center = CGPointMake (newX, 429);
balloonbit1.center = CGPointMake (XA, 429);
balloonbit2.center = CGPointMake (XB, 426);
balloonbit3.center = CGPointMake (XI, 410);
balloonbit4.center = CGPointMake (XJ, 415);
balloonbit5.center = CGPointMake (XE, 409);
balloonbit6.center = CGPointMake (XF, 427);
balloonbit8.center = CGPointMake (XH, 417);
}
這一切工作正常,我現在想從工作,使用相同的
accelerometerWorks方法或一種新的方法,accelerometerWontWork停止加速。
這是代碼,當它被稱爲我想加速度計停止。 (這是很長,所以我不會把所有的它在那裏,但它的所有的整個一樣):
-(void) checkCollision{
if (CGRectIntersectsRect(pinend.frame, balloonbit1.frame)){
if (balloonbit1.frame.origin.y > pinend.frame.origin.y){
[maintimer invalidate];
levelfailed.center = CGPointMake (160, 235);
}
}
if (CGRectIntersectsRect(pinend.frame, balloonbit2.frame)){
if (balloonbit2.frame.origin.y > pinend.frame.origin.y){
[maintimer invalidate];
levelfailed.center = CGPointMake (160, 235);
}
}
if (CGRectIntersectsRect(pinend.frame, balloonbit3.frame)){
if (balloonbit3.frame.origin.y > pinend.frame.origin.y){
[maintimer invalidate];
levelfailed.center = CGPointMake (160, 235);
}
}
}
據我所知,我可能要變成一個BOOL
。沒關係。
如果我沒有解釋清楚,請說,我會重新寫它。
謝謝! 哈利。
凹凸不平,請人嗎? – Harry 2010-04-02 12:56:23