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quaternion panning, aligned to identity, FPS
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,41 +1,97 @@ | ||
| // | ||
| // PanoramaView.h | ||
| // Panorama | ||
| // | ||
| // Created by Robby Kraft on 8/24/13. | ||
| // Copyright (c) 2013 Robby Kraft. All Rights Reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| /** | ||
| * @class Panorama View | ||
| * @author Robby Kraft | ||
| * @date 8/24/13 | ||
| * | ||
| * @availability iOS (5.0 and later) | ||
| * | ||
| * @discussion a dynamic GLKView with a touch and motion sensor interface to align and immerse the perspective inside an equirectangular panorama projection | ||
| */ | ||
| @interface PanoramaView : GLKView | ||
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| -(id) init; // recommended init method. if landscape, corrects aspect-ratio. auto full-screen. | ||
| -(void) draw; | ||
| -(void) setImage:(NSString*)fileName; // path or bundle. will check at both | ||
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| /* all operatons are in RADIANS */ | ||
| -(id) init; // recommended init method | ||
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| -(void) draw; // place in GLKViewController's glkView:drawInRect: | ||
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| /// Set image by path or bundle - will check at both | ||
| -(void) setImage:(NSString*)fileName; | ||
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| /* projection */ | ||
| @property (nonatomic) float fieldOfView; | ||
| @property (nonatomic) BOOL pinchToZoom; // pinch to change field of view | ||
| -(CGPoint) imagePixelAtScreenLocation:(CGPoint)point; // which pixel did you touch? | ||
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| /* orientation */ | ||
| @property (nonatomic) BOOL orientToDevice; // YES: activate accel/gyro. NO: use touch pan gesture | ||
| @property (nonatomic) BOOL touchToPan; // default: YES | ||
| // below uses gl look at, with a fixed up-vector, so flipping will occur at the poles | ||
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| /// forward vector axis (into the screen) | ||
| @property (nonatomic, readonly) GLKVector3 lookVector; | ||
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| /// forward horizontal azimuth (-π to π) | ||
| @property (nonatomic, readonly) float lookAzimuth; | ||
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| /// forward vertical altitude (-.5π to .5π) | ||
| @property (nonatomic, readonly) float lookAltitude; | ||
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| // At this point, it's still recommended to activate either OrientToDevice or TouchToPan, not both | ||
| // it's possible to have them simultaneously, but the effect is confusing and disorienting | ||
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| /// Activates accelerometer + gyro orientation | ||
| @property (nonatomic) BOOL orientToDevice; | ||
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| /// Enables UIPanGestureRecognizer to affect view orientation | ||
| @property (nonatomic) BOOL touchToPan; | ||
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| /// Fixes up-vector during panning. (trade off: no panning past the poles) | ||
| //@property (nonatomic) BOOL preventHeadTilt; | ||
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| /** | ||
| * Align Z coordinate axis (into the screen) to a GLKVector. | ||
| * (due to a fixed up-vector, flipping will occur at the poles) | ||
| * | ||
| * @param GLKVector3 can be non-normalized | ||
| */ | ||
| -(void) orientToVector:(GLKVector3)vector; | ||
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| /** | ||
| * Align Z coordinate axis (into the screen) to azimuth and altitude. | ||
| * (due to a fixed up-vector, flipping will occur at the poles) | ||
| * | ||
| * @param Azimuth(-π to π) Altitude(-.5π to .5π) | ||
| */ | ||
| -(void) orientToAzimuth:(float) azimuth Altitude:(float)altitude; | ||
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| @property (nonatomic, readonly) GLKVector3 lookVector; // forward vector | ||
| @property (nonatomic, readonly) float lookAzimuth; // -π to π | ||
| @property (nonatomic, readonly) float lookAltitude; // -.5π to .5π | ||
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| /* touches */ | ||
| @property (nonatomic) BOOL showTouches; // overlay latitude longitude lines | ||
| /* projection & touches */ | ||
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| @property (nonatomic, readonly) NSSet *touches; | ||
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| @property (nonatomic, readonly) NSInteger numberOfTouches; | ||
| -(bool) touchInRect:(CGRect)rect; // hotspot touchInRect validation. rect defined by image pixel coordinates | ||
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| /// Field of view in DEGREES | ||
| @property (nonatomic) float fieldOfView; | ||
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| /// Enables UIPinchGestureRecognizer to affect FieldOfView | ||
| @property (nonatomic) BOOL pinchToZoom; | ||
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| /// Dynamic overlay of latitude and longitude intersection lines for all touches | ||
| @property (nonatomic) BOOL showTouches; | ||
| /** | ||
| * Converts screen coordinate to image pixel coordinate | ||
| * | ||
| * @param CGPoint device screen coordinate | ||
| * @return CGPoint image coordinate in pixels, or betwee 0.0 and 1.0 if no image | ||
| */ | ||
| -(CGPoint) imagePixelAtScreenLocation:(CGPoint)point; | ||
| /** | ||
| * Hit-detection for all active touches | ||
| * | ||
| * @param CGRect defined in image pixel coordinates | ||
| * @return YES if touch is inside CGRect, NO otherwise | ||
| */ | ||
| -(BOOL) touchInRect:(CGRect)rect; | ||
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| @end | ||
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