-(void)ccTouchMoved:(UITouch*)touchwithEvent:(UIEvent*)event{CGPointlocation=[touchlocationInView:[touchview]];location=[[CCDirectorsharedDirector]convertToGL:location];shootVector=ccpSub(location,cannon.position);CGFloatshootAngle=ccpToAngle(shootVector);cocosAngle=CC_RADIANS_TO_DEGREES(-1*shoo