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62 lines
1.9 KiB
62 lines
1.9 KiB
2 years ago
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#if !defined(__has_feature) || !__has_feature(objc_arc)
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#error "This file requires ARC support."
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#endif
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#import "GoogleMapsDemos/Samples/CameraViewController.h"
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#import <GoogleMaps/GoogleMaps.h>
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@implementation CameraViewController {
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GMSMapView *_mapView;
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NSTimer *timer;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-37.809487
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longitude:144.965699
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zoom:20
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bearing:0
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viewingAngle:0];
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_mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
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_mapView.settings.zoomGestures = NO;
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_mapView.settings.scrollGestures = NO;
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_mapView.settings.rotateGestures = NO;
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_mapView.settings.tiltGestures = NO;
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self.view = _mapView;
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}
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- (void)moveCamera {
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GMSCameraPosition *camera = _mapView.camera;
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float zoom = fmaxf(camera.zoom - 0.1f, 17.5f);
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GMSCameraPosition *newCamera =
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[[GMSCameraPosition alloc] initWithTarget:camera.target
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zoom:zoom
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bearing:camera.bearing + 10
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viewingAngle:camera.viewingAngle + 10];
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[_mapView animateToCameraPosition:newCamera];
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}
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- (void)viewDidAppear:(BOOL)animated {
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[super viewDidAppear:animated];
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timer = [NSTimer scheduledTimerWithTimeInterval:1.f/30.f
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target:self
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selector:@selector(moveCamera)
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userInfo:nil
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repeats:YES];
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[super viewDidDisappear:animated];
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[timer invalidate];
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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[timer invalidate];
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}
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@end
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