在地图上实现的简陋动画UIView Animation,Core Animation(如何在地图上做动画) CAKeyFrameAnimation
for (int i = 0; i<[points count]; i++) { TracingPoint * tp = points[i];
//position
MAMapPoint p = MAMapPointForCoordinate(tp.coordinate);
[xvalues addObjectsFromArray:@[@(p.x), @(p.x)]];//stop for turn
[yvalues addObjectsFromArray:@[@(p.y), @(p.y)]];
//angle
double currDir = [Util fixNewDirection:tp.course basedOnOldDirection:preDir];
[rvalues addObjectsFromArray:@[@(preDir * DegToRad), @(currDir * DegToRad)]];
//distance
dis[i] = MAMetersBetweenMapPoints(p, preLoc);
sumOfDistance = sumOfDistance + dis[i];
dis[i] = sumOfDistance;
//record pre
preLoc = p;
preDir = currDir;
}
// add animation.
CAKeyframeAnimation *xanimation = [CAKeyframeAnimation animationWithKeyPath:MapXAnimationKey];
xanimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
xanimation.values = xvalues;
xanimation.keyTimes = times;
xanimation.duration = duration;
xanimation.delegate = self;
xanimation.fillMode = kCAFillModeForwards;
