diff --git a/wled00/FX.cpp b/wled00/FX.cpp index 533da32bd..f8f374572 100644 --- a/wled00/FX.cpp +++ b/wled00/FX.cpp @@ -4759,11 +4759,12 @@ uint16_t mode_2DDrift() { // By: Stepko https://editor.soulmateli const uint16_t maxDim = MAX(cols, rows)/2; unsigned long t = millis() / (32 - (SEGMENT.speed>>3)); + unsigned long t_20 = t/20; // softhack007: pre-calculating this gives about 10% speedup for (float i = 1; i < maxDim; i += 0.25) { float angle = radians(t * (maxDim - i)); uint16_t myX = (cols>>1) + (uint16_t)(sin_t(angle) * i) + (cols%2); uint16_t myY = (rows>>1) + (uint16_t)(cos_t(angle) * i) + (rows%2); - SEGMENT.setPixelColorXY(myX, myY, ColorFromPalette(SEGPALETTE, (i * 20) + (t / 20), 255, LINEARBLEND)); + SEGMENT.setPixelColorXY(myX, myY, ColorFromPalette(SEGPALETTE, (i * 20) + t_20, 255, LINEARBLEND)); } SEGMENT.blur(SEGMENT.intensity>>3);