4 files changed, 25 insertions(+), 0 deletions(-)

M docs/feature_rgb_matrix.md
M keyboards/crkbd/keymaps/dsanchezseco/config.h
A quantum/rgb_matrix_animations/gradient_left_right_anim.h
M quantum/rgb_matrix_animations/rgb_matrix_effects.inc

@@ 199,6 199,7 @@ enum rgb_matrix_effects {
     RGB_MATRIX_SOLID_COLOR = 1,     // Static single hue, no speed support
     RGB_MATRIX_ALPHAS_MODS,         // Static dual hue, speed is hue for secondary hue
     RGB_MATRIX_GRADIENT_UP_DOWN,    // Static gradient top to bottom, speed controls how much gradient changes
+    RGB_MATRIX_GRADIENT_LEFT_RIGHT,    // Static gradient left to right, speed controls how much gradient changes
     RGB_MATRIX_BREATHING,           // Single hue brightness cycling animation
     RGB_MATRIX_BAND_SAT,        // Single hue band fading saturation scrolling left to right
     RGB_MATRIX_BAND_VAL,        // Single hue band fading brightness scrolling left to right

@@ 36,6 36,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //disable effects
 #define DISABLE_RGB_MATRIX_ALPHAS_MODS         // Static dual hue speed is hue for secondary hue
 #define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN    // Static gradient top to bottom speed controls how much gradient changes
+#define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT    // Static gradient left to right speed controls how much gradient changes
 #define DISABLE_RGB_MATRIX_BAND_SAT        // Single hue band fading saturation scrolling left to right
 #define DISABLE_RGB_MATRIX_BAND_VAL        // Single hue band fading brightness scrolling left to right
 #define DISABLE_RGB_MATRIX_BAND_PINWHEEL_SAT   // Single hue 3 blade spinning pinwheel fades saturation

@@ 0,0 1,22 @@
+#ifndef DISABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT
+RGB_MATRIX_EFFECT(GRADIENT_LEFT_RIGHT)
+#    ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
+
+bool GRADIENT_LEFT_RIGHT(effect_params_t* params) {
+    RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+    HSV     hsv   = rgb_matrix_config.hsv;
+    uint8_t scale = scale8(64, rgb_matrix_config.speed);
+    for (uint8_t i = led_min; i < led_max; i++) {
+        RGB_MATRIX_TEST_LED_FLAGS();
+        // The x range will be 0..224, map this to 0..7
+        // Relies on hue being 8-bit and wrapping
+        hsv.h   = rgb_matrix_config.hsv.h + (scale * g_led_config.point[i].x >> 5);
+        RGB rgb = hsv_to_rgb(hsv);
+        rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+    }
+    return led_max < DRIVER_LED_TOTAL;
+}
+
+#    endif  // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
+#endif      // DISABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT

@@ 2,6 2,7 @@
 #include "rgb_matrix_animations/solid_color_anim.h"
 #include "rgb_matrix_animations/alpha_mods_anim.h"
 #include "rgb_matrix_animations/gradient_up_down_anim.h"
+#include "rgb_matrix_animations/gradient_left_right_anim.h"
 #include "rgb_matrix_animations/breathing_anim.h"
 #include "rgb_matrix_animations/colorband_sat_anim.h"
 #include "rgb_matrix_animations/colorband_val_anim.h"