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-rw-r--r--quantum/rgb_matrix/animations/digital_rain_anim.h22
1 files changed, 15 insertions, 7 deletions
diff --git a/quantum/rgb_matrix/animations/digital_rain_anim.h b/quantum/rgb_matrix/animations/digital_rain_anim.h
index 4633145ff6..7d3b22f697 100644
--- a/quantum/rgb_matrix/animations/digital_rain_anim.h
+++ b/quantum/rgb_matrix/animations/digital_rain_anim.h
@@ -10,11 +10,13 @@ RGB_MATRIX_EFFECT(DIGITAL_RAIN)
bool DIGITAL_RAIN(effect_params_t* params) {
// algorithm ported from https://github.com/tremby/Kaleidoscope-LEDEffect-DigitalRain
const uint8_t drop_ticks = 28;
- const uint8_t pure_green_intensity = 0xd0;
- const uint8_t max_brightness_boost = 0xc0;
- const uint8_t max_intensity = 0xff;
+ const uint8_t pure_green_intensity = (((uint16_t)rgb_matrix_config.hsv.v) * 3) >> 2;
+ const uint8_t max_brightness_boost = (((uint16_t)rgb_matrix_config.hsv.v) * 3) >> 2;
+ const uint8_t max_intensity = rgb_matrix_config.hsv.v;
+ const uint8_t decay_ticks = 0xff / max_intensity;
- static uint8_t drop = 0;
+ static uint8_t drop = 0;
+ static uint8_t decay = 0;
if (params->init) {
rgb_matrix_set_color_all(0, 0, 0);
@@ -22,6 +24,7 @@ bool DIGITAL_RAIN(effect_params_t* params) {
drop = 0;
}
+ decay++;
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
if (row == 0 && drop == 0 && rand() < RAND_MAX / RGB_DIGITAL_RAIN_DROPS) {
@@ -30,7 +33,9 @@ bool DIGITAL_RAIN(effect_params_t* params) {
g_rgb_frame_buffer[row][col] = max_intensity;
} else if (g_rgb_frame_buffer[row][col] > 0 && g_rgb_frame_buffer[row][col] < max_intensity) {
// neither fully bright nor dark, decay it
- g_rgb_frame_buffer[row][col]--;
+ if (decay == decay_ticks) {
+ g_rgb_frame_buffer[row][col]--;
+ }
}
// set the pixel colour
uint8_t led[LED_HITS_TO_REMEMBER];
@@ -48,6 +53,9 @@ bool DIGITAL_RAIN(effect_params_t* params) {
}
}
}
+ if (decay == decay_ticks) {
+ decay = 0;
+ }
if (++drop > drop_ticks) {
// reset drop timer
@@ -59,9 +67,9 @@ bool DIGITAL_RAIN(effect_params_t* params) {
g_rgb_frame_buffer[row][col]--;
}
// check if the pixel above is bright
- if (g_rgb_frame_buffer[row - 1][col] == max_intensity) {
+ if (g_rgb_frame_buffer[row - 1][col] >= max_intensity) { // Note: can be larger than max_intensity if val was recently decreased
// allow old bright pixel to decay
- g_rgb_frame_buffer[row - 1][col]--;
+ g_rgb_frame_buffer[row - 1][col] = max_intensity - 1;
// make this pixel bright
g_rgb_frame_buffer[row][col] = max_intensity;
}