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https://github.com/openstenoproject/qmk
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25 lines
884 B
C
25 lines
884 B
C
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#pragma once
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#ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON
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extern rgb_counters_t g_rgb_counters;
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extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL];
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extern rgb_config_t rgb_matrix_config;
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bool rgb_matrix_rainbow_beacon(effect_params_t* params) {
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RGB_MATRIX_USE_LIMITS(led_min, led_max);
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HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val };
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uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4);
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int16_t cos_value = 2 * (cos8(time) - 128);
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int16_t sin_value = 2 * (sin8(time) - 128);
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for (uint8_t i = led_min; i < led_max; i++) {
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point_t point = g_rgb_leds[i].point;
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hsv.h = ((point.y - 32) * cos_value + (point.x - 112) * sin_value) / 128 + rgb_matrix_config.hue;
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RGB rgb = hsv_to_rgb(hsv);
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rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
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}
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return led_max < DRIVER_LED_TOTAL;
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}
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#endif // DISABLE_RGB_MATRIX_RAINBOW_BEACON
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