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@ -510,6 +510,69 @@ void rgb_matrix_jellybean_raindrops( bool initialize ) { |
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} |
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} |
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void rgb_matrix_digital_rain( const bool initialize ) { |
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// algorithm ported from https://github.com/tremby/Kaleidoscope-LEDEffect-DigitalRain |
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const uint8_t drop_ticks = 28; |
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const uint8_t new_drop_probability = 24; |
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const uint8_t pure_green_intensity = 0xd0; |
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const uint8_t max_brightness_boost = 0xc0; |
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const uint8_t max_intensity = 0xff; |
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static uint8_t map[MATRIX_COLS][MATRIX_ROWS] = {{0}}; |
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static uint8_t drop = 0; |
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if (initialize) { |
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rgb_matrix_set_color_all(0, 0, 0); |
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memset(map, 0, sizeof map); |
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drop = 0; |
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} |
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for (uint8_t col = 0; col < MATRIX_COLS; col++) { |
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) { |
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if (row == 0 && drop == 0 && rand() < RAND_MAX / new_drop_probability) { |
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// top row, pixels have just fallen and we're |
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// making a new rain drop in this column |
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map[col][row] = max_intensity; |
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} |
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else if (map[col][row] > 0 && map[col][row] < max_intensity) { |
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// neither fully bright nor dark, decay it |
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map[col][row]--; |
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} |
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// set the pixel colour |
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uint8_t led, led_count; |
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map_row_column_to_led(row, col, &led, &led_count); |
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if (map[col][row] > pure_green_intensity) { |
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const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost |
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* (map[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity)); |
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rgb_matrix_set_color(led, boost, max_intensity, boost); |
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} |
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else { |
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const uint8_t green = (uint8_t) ((uint16_t) max_intensity * map[col][row] / pure_green_intensity); |
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rgb_matrix_set_color(led, 0, green, 0); |
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} |
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} |
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} |
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if (++drop > drop_ticks) { |
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// reset drop timer |
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drop = 0; |
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for (uint8_t row = MATRIX_ROWS - 1; row > 0; row--) { |
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for (uint8_t col = 0; col < MATRIX_COLS; col++) { |
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// if ths is on the bottom row and bright allow decay |
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if (row == MATRIX_ROWS - 1 && map[col][row] == max_intensity) { |
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map[col][row]--; |
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} |
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// check if the pixel above is bright |
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if (map[col][row - 1] == max_intensity) { |
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// allow old bright pixel to decay |
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map[col][row - 1]--; |
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// make this pixel bright |
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map[col][row] = max_intensity; |
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} |
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} |
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} |
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} |
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} |
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void rgb_matrix_multisplash(void) { |
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// if (g_any_key_hit < 0xFF) { |
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HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; |
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@ -685,6 +748,9 @@ void rgb_matrix_task(void) { |
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case RGB_MATRIX_JELLYBEAN_RAINDROPS: |
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rgb_matrix_jellybean_raindrops( initialize ); |
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break; |
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case RGB_MATRIX_DIGITAL_RAIN: |
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rgb_matrix_digital_rain( initialize ); |
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break; |
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#ifdef RGB_MATRIX_KEYPRESSES |
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case RGB_MATRIX_SOLID_REACTIVE: |
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rgb_matrix_solid_reactive(); |
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