@class NSString, MTKView; @protocol MTLRenderPipelineState, MTLDevice, MTLTexture, MTLCommandQueue, MTLBuffer; @interface FIUIBreathingPetalRingMetalRenderer : NSObject <MTKViewDelegate> { MTKView *_mtkView; id<MTLDevice> _device; id<MTLCommandQueue> _commandQueue; struct { int numberOfPetals; int showBlurTrails; void /* unknown type, empty encoding */ circlePosition[20]; void /* unknown type, empty encoding */ circleProperties[20]; void /* unknown type, empty encoding */ textureRotationVector; } _uniforms; struct { void /* unknown type, empty encoding */ position; void /* unknown type, empty encoding */ coordinate; } _vertexData[25]; struct { void /* unknown type, empty encoding */ columns[4]; } _projectionMatrix; id<MTLBuffer> _indexBuffer; id<MTLTexture> _circleGradient; id<MTLRenderPipelineState> _renderPipeline; void /* unknown type, empty encoding */ _ringCenterVector; long long _petalColor; long long _numberOfPetals; BOOL _showBlurTrails; } @property (nonatomic) float ringRadius; @property (nonatomic) struct CGPoint { double x; double y; } ringCenter; @property (readonly, nonatomic) long long numberOfVisiblePetals; @property (nonatomic) struct { void /* unknown type, empty encoding */ circlePosition[20]; void /* unknown type, empty encoding */ circleProperties[20]; void /* unknown type, empty encoding */ textureRotationVector; } circleProperties; @property (copy, nonatomic) id /* block */ stateUpdateBlock; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)mtkView:(id)a0 drawableSizeWillChange:(struct CGSize { double x0; double x1; })a1; - (void)drawInMTKView:(id)a0; - (void).cxx_destruct; - (void)_updateVertices; - (void)_clearCirclesInRange:(struct _NSRange { unsigned long long x0; unsigned long long x1; })a0; - (void)_createBuffers; - (void)_loadTextures; - (double)_maxPetalRingRadius; - (void)_setCircleAtIndex:(long long)a0 center:(struct CGPoint { double x0; double x1; })a1 radius:(float)a2 blurriness:(float)a3 alpha:(float)a4; - (void)_setupIndexes; - (void)_setupProjectionMatrixForSize:(struct CGSize { double x0; double x1; })a0; - (void)_setupRenderPipeline; - (void)_setupVertices; - (void)importDataFromPetalRingMetalRenderer:(id)a0; - (id)initWithMetalKitView:(id)a0 petalColor:(long long)a1 numberOfPetals:(long long)a2 showBlurTrails:(BOOL)a3; - (void)setBlurTrailAtIndex:(long long)a0 center:(struct CGPoint { double x0; double x1; })a1 radius:(float)a2 blurriness:(float)a3 alpha:(float)a4; - (void)setGradientRotationAngle:(float)a0; - (void)setNumberOfVisiblePetals:(long long)a0 showBlurTrails:(BOOL)a1; - (void)setPetalAtIndex:(long long)a0 center:(struct CGPoint { double x0; double x1; })a1 radius:(float)a2 alpha:(float)a3; @end