63 lines
1.1 KiB
Objective-C
63 lines
1.1 KiB
Objective-C
#import "JOYHat.h"
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#import "JOYElement.h"
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#import <AppKit/AppKit.h>
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@implementation JOYHat
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{
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JOYElement *_element;
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double _state;
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}
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- (uint64_t)uniqueID
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{
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return _element.uniqueID;
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}
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- (NSString *)description
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{
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if (self.isPressed) {
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return [NSString stringWithFormat:@"<%@: %p (%llu); State: %f degrees>", self.className, self, self.uniqueID, self.angle];
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}
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return [NSString stringWithFormat:@"<%@: %p (%llu); State: released>", self.className, self, self.uniqueID];
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}
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- (instancetype)initWithElement:(JOYElement *)element
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{
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self = [super init];
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if (!self) return self;
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_element = element;
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_state = -1;
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return self;
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}
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- (bool)isPressed
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{
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return _state >= 0 && _state < 360;
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}
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- (double)angle
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{
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if (self.isPressed) return fmod((_state + 270), 360);
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return -1;
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}
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- (unsigned)resolution
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{
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return _element.max - _element.min + 1;
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}
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- (bool)updateState
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{
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unsigned state = ([_element value] - _element.min) * 360.0 / self.resolution;
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if (_state != state) {
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_state = state;
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return true;
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}
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return false;
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}
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@end
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