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-rw-r--r--quantum/rgb_matrix_animations/rainbow_beacon_anim.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/quantum/rgb_matrix_animations/rainbow_beacon_anim.h b/quantum/rgb_matrix_animations/rainbow_beacon_anim.h
new file mode 100644
index 000000000..3c15e64ab
--- /dev/null
+++ b/quantum/rgb_matrix_animations/rainbow_beacon_anim.h
@@ -0,0 +1,24 @@
+#pragma once
+#ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON
+
+extern rgb_counters_t g_rgb_counters;
+extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL];
+extern rgb_config_t rgb_matrix_config;
+
+bool rgb_matrix_rainbow_beacon(effect_params_t* params) {
+ RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+ HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val };
+ uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4);
+ int16_t cos_value = 2 * (cos8(time) - 128);
+ int16_t sin_value = 2 * (sin8(time) - 128);
+ for (uint8_t i = led_min; i < led_max; i++) {
+ point_t point = g_rgb_leds[i].point;
+ hsv.h = ((point.y - 32) * cos_value + (point.x - 112) * sin_value) / 128 + rgb_matrix_config.hue;
+ RGB rgb = hsv_to_rgb(hsv);
+ rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+ }
+ return led_max < DRIVER_LED_TOTAL;
+}
+
+#endif // DISABLE_RGB_MATRIX_RAINBOW_BEACON