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Diffstat (limited to 'quantum/rgb_matrix_animations/digital_rain_anim.h')
-rw-r--r--quantum/rgb_matrix_animations/digital_rain_anim.h33
1 files changed, 18 insertions, 15 deletions
diff --git a/quantum/rgb_matrix_animations/digital_rain_anim.h b/quantum/rgb_matrix_animations/digital_rain_anim.h
index 4ba3c1c87d..6ccba392aa 100644
--- a/quantum/rgb_matrix_animations/digital_rain_anim.h
+++ b/quantum/rgb_matrix_animations/digital_rain_anim.h
@@ -1,11 +1,13 @@
#pragma once
-#ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN
+#if defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS) && !defined(DISABLE_RGB_MATRIX_DIGITAL_RAIN)
#ifndef RGB_DIGITAL_RAIN_DROPS
// lower the number for denser effect/wider keyboard
#define RGB_DIGITAL_RAIN_DROPS 24
#endif
+extern uint8_t rgb_frame_buffer[MATRIX_ROWS][MATRIX_COLS];
+
bool rgb_matrix_digital_rain(effect_params_t* params) {
// algorithm ported from https://github.com/tremby/Kaleidoscope-LEDEffect-DigitalRain
const uint8_t drop_ticks = 28;
@@ -13,24 +15,24 @@ bool rgb_matrix_digital_rain(effect_params_t* params) {
const uint8_t max_brightness_boost = 0xc0;
const uint8_t max_intensity = 0xff;
- static uint8_t map[MATRIX_COLS][MATRIX_ROWS] = {{0}};
static uint8_t drop = 0;
if (params->init) {
rgb_matrix_set_color_all(0, 0, 0);
- memset(map, 0, sizeof map);
+ memset(rgb_frame_buffer, 0, sizeof rgb_frame_buffer);
drop = 0;
}
+
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) {
// top row, pixels have just fallen and we're
// making a new rain drop in this column
- map[col][row] = max_intensity;
+ rgb_frame_buffer[col][row] = max_intensity;
}
- else if (map[col][row] > 0 && map[col][row] < max_intensity) {
+ else if (rgb_frame_buffer[col][row] > 0 && rgb_frame_buffer[col][row] < max_intensity) {
// neither fully bright nor dark, decay it
- map[col][row]--;
+ rgb_frame_buffer[col][row]--;
}
// set the pixel colour
uint8_t led[LED_HITS_TO_REMEMBER];
@@ -38,32 +40,33 @@ bool rgb_matrix_digital_rain(effect_params_t* params) {
// TODO: multiple leds are supported mapped to the same row/column
if (led_count > 0) {
- if (map[col][row] > pure_green_intensity) {
- const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost * (map[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity));
+ if (rgb_frame_buffer[col][row] > pure_green_intensity) {
+ const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost * (rgb_frame_buffer[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity));
rgb_matrix_set_color(led[0], boost, max_intensity, boost);
}
else {
- const uint8_t green = (uint8_t) ((uint16_t) max_intensity * map[col][row] / pure_green_intensity);
+ const uint8_t green = (uint8_t) ((uint16_t) max_intensity * rgb_frame_buffer[col][row] / pure_green_intensity);
rgb_matrix_set_color(led[0], 0, green, 0);
}
}
}
}
+
if (++drop > drop_ticks) {
// reset drop timer
drop = 0;
for (uint8_t row = MATRIX_ROWS - 1; row > 0; row--) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
// if ths is on the bottom row and bright allow decay
- if (row == MATRIX_ROWS - 1 && map[col][row] == max_intensity) {
- map[col][row]--;
+ if (row == MATRIX_ROWS - 1 && rgb_frame_buffer[col][row] == max_intensity) {
+ rgb_frame_buffer[col][row]--;
}
// check if the pixel above is bright
- if (map[col][row - 1] == max_intensity) {
+ if (rgb_frame_buffer[col][row - 1] == max_intensity) {
// allow old bright pixel to decay
- map[col][row - 1]--;
+ rgb_frame_buffer[col][row - 1]--;
// make this pixel bright
- map[col][row] = max_intensity;
+ rgb_frame_buffer[col][row] = max_intensity;
}
}
}
@@ -71,4 +74,4 @@ bool rgb_matrix_digital_rain(effect_params_t* params) {
return false;
}
-#endif // DISABLE_RGB_MATRIX_DIGITAL_RAIN
+#endif // defined(RGB_MATRIX_FRAMEBUFFER_EFFECTS) && !defined(DISABLE_RGB_MATRIX_DIGITAL_RAIN)