Helper function to calculate average color difference between two frames
| 6 | namespace noise_test_helpers { |
| 7 | // Helper function to calculate average color difference between two frames |
| 8 | inline float calcAverageColorDifference(const fl::CRGB* frame1, const fl::CRGB* frame2, int num_leds) { |
| 9 | float total_diff = 0.0f; |
| 10 | for (int i = 0; i < num_leds; i++) { |
| 11 | // Calculate delta for each channel |
| 12 | int r_diff = (int)frame1[i].r - (int)frame2[i].r; |
| 13 | int g_diff = (int)frame1[i].g - (int)frame2[i].g; |
| 14 | int b_diff = (int)frame1[i].b - (int)frame2[i].b; |
| 15 | |
| 16 | // Use Euclidean distance for color difference |
| 17 | float pixel_diff = fl::sqrt(r_diff*r_diff + g_diff*g_diff + b_diff*b_diff); |
| 18 | total_diff += pixel_diff; |
| 19 | } |
| 20 | return total_diff / num_leds; |
| 21 | } |
| 22 | } |