|  |  |  | @ -48,7 +48,7 @@ static uint8_t crossfade_start_frame[NUM_ROWS][NUM_COLS]; | 
			
		
	
		
			
				
					|  |  |  |  | static uint8_t crossfade_end_frame[NUM_ROWS][NUM_COLS]; | 
			
		
	
		
			
				
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					|  |  |  |  | static uint8_t compute_gradient_color(float t, float index, float num) { | 
			
		
	
		
			
				
					|  |  |  |  |     const float two_pi = M_2_PI; | 
			
		
	
		
			
				
					|  |  |  |  |     const float two_pi = M_PI * 2.0f; | 
			
		
	
		
			
				
					|  |  |  |  |     float normalized_index = (1.0f - index / (num - 1.0f)) * two_pi; | 
			
		
	
		
			
				
					|  |  |  |  |     float x = t * two_pi + normalized_index; | 
			
		
	
		
			
				
					|  |  |  |  |     float v = 0.5 * (cosf(x) + 1.0f); | 
			
		
	
	
		
			
				
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