1 files changed, 16 insertions, 0 deletions
diff --git a/quantum/led_matrix_runners/effect_runner_dx_dy.h b/quantum/led_matrix_runners/effect_runner_dx_dy.h
new file mode 100644
index 0000000000..ef97631b90
--- /dev/null
+++ b/quantum/led_matrix_runners/effect_runner_dx_dy.h
@@ -0,0 +1,16 @@
+#pragma once
+
+typedef uint8_t (*dx_dy_f)(uint8_t val, int16_t dx, int16_t dy, uint8_t time);
+
+bool effect_runner_dx_dy(effect_params_t* params, dx_dy_f effect_func) {
+    LED_MATRIX_USE_LIMITS(led_min, led_max);
+
+    uint8_t time = scale16by8(g_led_timer, led_matrix_eeconfig.speed / 2);
+    for (uint8_t i = led_min; i < led_max; i++) {
+        LED_MATRIX_TEST_LED_FLAGS();
+        int16_t dx = g_led_config.point[i].x - k_led_matrix_center.x;
+        int16_t dy = g_led_config.point[i].y - k_led_matrix_center.y;
+        led_matrix_set_value(i, effect_func(led_matrix_eeconfig.val, dx, dy, time));
+    }
+    return led_max < DRIVER_LED_TOTAL;
+}