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waverly effect speedup

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* faster math
* limit height to visible area
This commit is contained in:
Frank
2024-08-08 22:03:49 +02:00
parent 56e72ef22d
commit 28db9bfcfd
1 changed files with 11 additions and 5 deletions
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16
wled00/FX.cpp
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@@ -6667,13 +6667,19 @@ uint16_t mode_2DWaverly(void) {
long t = strip.now / 2;
for (int i = 0; i < cols; i++) {
uint16_t thisVal = volumeSmth*SEGMENT.intensity/64 * inoise8(i * 45 , t , t)/64; // WLEDMM back to SR code
uint16_t thisMax = map(thisVal, 0, 512, 0, rows);
//uint16_t thisVal = volumeSmth*SEGMENT.intensity/64 * inoise8(i * 45 , t , t)/64; // WLEDMM back to SR code
unsigned thisVal = unsigned(volumeSmth*SEGMENT.intensity) * inoise8(i * 45 , t , t) / (64*64); // WLEDMM same result but more accurate
for (int j = 0; j < thisMax; j++) {
//int thisMax = map(thisVal, 0, 512, 0, rows);
int thisMax = (thisVal * rows) / 512; // WLEDMM same result, just faster
int thisMax2 = min(int(rows), thisMax); // WLEDMM limit height to visible are
for (int j = 0; j < thisMax2; j++) {
//int jmap = map(j, 0, thisMax, 250, 0);
int jmap = 250 - ((j * 250) / thisMax); // WLEDMM same result, just faster
if (!SEGENV.check1)
SEGMENT.addPixelColorXY(i, j, ColorFromPalette(SEGPALETTE, map(j, 0, thisMax, 250, 0), 255, LINEARBLEND));
SEGMENT.addPixelColorXY((cols - 1) - i, (rows - 1) - j, ColorFromPalette(SEGPALETTE, map(j, 0, thisMax, 250, 0), 255, LINEARBLEND));
SEGMENT.addPixelColorXY(i, j, ColorFromPalette(SEGPALETTE, jmap, 255, LINEARBLEND));
SEGMENT.addPixelColorXY((cols - 1) - i, (rows - 1) - j, ColorFromPalette(SEGPALETTE, jmap, 255, LINEARBLEND));
}
}
SEGMENT.blur(16);