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feat(underglow): use float for HSB to RGB calculation

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Xudong Zheng 2023-01-28 17:15:49 -05:00 • committed by Pete Johanson
parent 5ef6f2f2b7
commit 8904407983
1 changed files with 7 additions and 7 deletions
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14
app/src/rgb_underglow.c
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@ -75,15 +75,15 @@ static struct zmk_led_hsb hsb_scale_zero_max(struct zmk_led_hsb hsb) {
} }
static struct led_rgb hsb_to_rgb(struct zmk_led_hsb hsb) { static struct led_rgb hsb_to_rgb(struct zmk_led_hsb hsb) {
double r, g, b; float r, g, b;
uint8_t i = hsb.h / 60; uint8_t i = hsb.h / 60;
double v = hsb.b / ((float)BRT_MAX); float v = hsb.b / ((float)BRT_MAX);
double s = hsb.s / ((float)SAT_MAX); float s = hsb.s / ((float)SAT_MAX);
double f = hsb.h / ((float)HUE_MAX) * 6 - i; float f = hsb.h / ((float)HUE_MAX) * 6 - i;
double p = v * (1 - s); float p = v * (1 - s);
double q = v * (1 - f * s); float q = v * (1 - f * s);
double t = v * (1 - (1 - f) * s); float t = v * (1 - (1 - f) * s);
switch (i % 6) { switch (i % 6) {
case 0: case 0: