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optional ball trails (rolling balls)

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Frank 2023-09-05 19:11:44 +02:00
parent 5110a8c636
commit 58187e00e6
1 changed files with 8 additions and 4 deletions
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12
wled00/FX.cpp
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@ -2858,8 +2858,10 @@ static uint16_t rolling_balls(void) {
// number of balls based on intensity setting to max of 16 (cycles colors) // number of balls based on intensity setting to max of 16 (cycles colors)
// non-chosen color is a random color // non-chosen color is a random color
uint8_t numBalls = SEGMENT.intensity/16 + 1; uint8_t numBalls = SEGMENT.intensity/16 + 1;
bool hasCol2 = SEGCOLOR(2);
if (SEGENV.call == 0) { if (SEGENV.call == 0) {
SEGMENT.fill(hasCol2 ? BLACK : SEGCOLOR(1)); // start clean
for (int i = 0; i < maxNumBalls; i++) { for (int i = 0; i < maxNumBalls; i++) {
balls[i].lastBounceUpdate = strip.now; balls[i].lastBounceUpdate = strip.now;
balls[i].velocity = 20.0f * float(random16(1000, 10000))/10000.0f; // number from 1 to 10 balls[i].velocity = 20.0f * float(random16(1000, 10000))/10000.0f; // number from 1 to 10
@ -2871,14 +2873,16 @@ static uint16_t rolling_balls(void) {
float cfac = float(scale8(8, 255-SEGMENT.speed) +1)*20000.0f; // this uses the Aircoookie conversion factor for scaling time using speed slider float cfac = float(scale8(8, 255-SEGMENT.speed) +1)*20000.0f; // this uses the Aircoookie conversion factor for scaling time using speed slider
bool hasCol2 = SEGCOLOR(2); if (SEGMENT.check3) SEGMENT.fade_out(250); // 2-8 pixel trails (optional)
if (!SEGMENT.check2) SEGMENT.fill(hasCol2 ? BLACK : SEGCOLOR(1)); else {
if (!SEGMENT.check2) SEGMENT.fill(hasCol2 ? BLACK : SEGCOLOR(1)); // don't fill with background color if user wants to see trails
}
for (int i = 0; i < numBalls; i++) { for (int i = 0; i < numBalls; i++) {
float timeSinceLastUpdate = float((strip.now - balls[i].lastBounceUpdate))/cfac; float timeSinceLastUpdate = float((strip.now - balls[i].lastBounceUpdate))/cfac;
float thisHeight = balls[i].height + balls[i].velocity * timeSinceLastUpdate; // this method keeps higher resolution float thisHeight = balls[i].height + balls[i].velocity * timeSinceLastUpdate; // this method keeps higher resolution
// test if intensity level was increased and some balls are way off the track then put them back // test if intensity level was increased and some balls are way off the track then put them back
if (thisHeight < -0.5f || thisHeight > 1.5f){ if (thisHeight < -0.5f || thisHeight > 1.5f) {
thisHeight = balls[i].height = (float(random16(0, 10000)) / 10000.0f); // from 0. to 1. thisHeight = balls[i].height = (float(random16(0, 10000)) / 10000.0f); // from 0. to 1.
balls[i].lastBounceUpdate = strip.now; balls[i].lastBounceUpdate = strip.now;
} }
@ -2928,7 +2932,7 @@ static uint16_t rolling_balls(void) {
return FRAMETIME; return FRAMETIME;
} }
static const char _data_FX_MODE_ROLLINGBALLS[] PROGMEM = "Rolling Balls@!,# of balls,,,,Collisions,Overlay;!,!,!;!;1;m12=1"; //bar static const char _data_FX_MODE_ROLLINGBALLS[] PROGMEM = "Rolling Balls@!,# of balls,,,,Collisions,Overlay,Trails;!,!,!;!;1;m12=1"; //bar
/* /*