1 files changed, 19 insertions, 0 deletions
diff --git a/quantum/rgb_matrix_runners/effect_runner_sin_cos_i.h b/quantum/rgb_matrix_runners/effect_runner_sin_cos_i.h
new file mode 100644
index 0000000000..54e4c6d866
--- /dev/null
+++ b/quantum/rgb_matrix_runners/effect_runner_sin_cos_i.h
@@ -0,0 +1,19 @@
+#pragma once
+
+typedef void (*sin_cos_i_f)(HSV* hsv, int8_t sin, int8_t cos, uint8_t i, uint8_t time);
+
+bool effect_runner_sin_cos_i(effect_params_t* params, sin_cos_i_f effect_func) {
+  RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+  HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, rgb_matrix_config.val };
+  uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4);
+  int8_t cos_value = cos8(time) - 128;
+  int8_t sin_value = sin8(time) - 128;
+  for (uint8_t i = led_min; i < led_max; i++) {
+    RGB_MATRIX_TEST_LED_FLAGS();
+    effect_func(&hsv, cos_value, sin_value, i, time);
+    RGB rgb = hsv_to_rgb(hsv);
+    rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+  }
+  return led_max < DRIVER_LED_TOTAL;
+}