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julia effect additional options (experimental)

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* limit drift, so we don't drift away too far
* added "show Center" = small crosshair
* added soft blur (faster) and strong blur (slower)
This commit is contained in:
Frank
2024-10-17 13:29:10 +02:00
parent 617a98ddd8
commit 6fc207b801
1 changed files with 19 additions and 4 deletions
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23
wled00/FX.cpp
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@@ -5589,8 +5589,11 @@ uint16_t mode_2DJulia(void) { // An animated Julia set
SEGMENT.intensity = 24;
}
julias->xcen = julias->xcen + (float)(SEGMENT.custom1 - 128)/100000.f;
julias->ycen = julias->ycen + (float)(SEGMENT.custom2 - 128)/100000.f;
// WLEDMM limit drift, so we don't move away into nothing
constexpr float maxCenter = 2.5f; // just an educated guess
if (fabsf(julias->xcen) < maxCenter) julias->xcen = julias->xcen + (float)(SEGMENT.custom1 - 128)/100000.f;
if (fabsf(julias->ycen) < maxCenter) julias->ycen = julias->ycen + (float)(SEGMENT.custom2 - 128)/100000.f;
julias->xymag = julias->xymag + (float)((SEGMENT.custom3 - 16)<<3)/100000.f; // reduced resolution slider
if (julias->xymag < 0.01f) julias->xymag = 0.01f;
if (julias->xymag > 1.0f) julias->xymag = 1.0f;
@@ -5662,11 +5665,23 @@ uint16_t mode_2DJulia(void) { // An animated Julia set
}
y += dy;
}
// SEGMENT.blur(64);
// WLEDMM
if(SEGMENT.check1)
SEGMENT.blurRows(48, false); // slight blurr
if(SEGMENT.check2)
SEGMENT.blur(64, true); // strong blurr
if(SEGMENT.check3) { // draw crosshair
int screenX = lround((0.5f / maxCenter) * (julias->xcen + maxCenter) * float(cols));
int screenY = lround((0.5f / maxCenter) * (julias->ycen + maxCenter) * float(rows));
int hair = min(min(cols-1, rows-1)/2, 3);
SEGMENT.drawLine(screenX, screenY-hair, screenX, screenY+hair, GREEN, true);
SEGMENT.drawLine(screenX-hair, screenY, screenX+hair, screenY, GREEN, true);
}
return FRAMETIME;
} // mode_2DJulia()
static const char _data_FX_MODE_2DJULIA[] PROGMEM = "Julia@,Max iterations per pixel,X center,Y center,Area size;!;!;2;ix=24,c1=128,c2=128,c3=16";
static const char _data_FX_MODE_2DJULIA[] PROGMEM = "Julia@,Max iterations per pixel,X center,Y center,Area size,Soft Blur,Strong Blur,Show Center;!;!;2;ix=24,c1=128,c2=128,c3=16";
//////////////////////////////