sTodo-m5paper-client/libraries/FastLED/examples/XYPath/src/wave.cpp
2025-06-30 20:47:33 +02:00

65 lines
1.9 KiB
C++

#include "wave.h"
#include "FastLED.h"
DEFINE_GRADIENT_PALETTE(electricBlueFirePal){
0, 0, 0, 0, // Black
32, 0, 0, 70, // Dark blue
128, 20, 57, 255, // Electric blue
255, 255, 255, 255 // White
};
DEFINE_GRADIENT_PALETTE(electricGreenFirePal){
0, 0, 0, 0, // black
8, 128, 64, 64, // green
16, 255, 222, 222, // red
64, 255, 255, 255, // white
255, 255, 255, 255 // white
};
WaveFx::Args CreateArgsLower() {
WaveFx::Args out;
out.factor = SuperSample::SUPER_SAMPLE_2X;
out.half_duplex = true;
out.auto_updates = true;
out.speed = 0.18f;
out.dampening = 9.0f;
out.crgbMap = WaveCrgbGradientMapPtr::New(electricBlueFirePal);
return out;
}
WaveFx::Args CreateArgsUpper() {
WaveFx::Args out;
out.factor = SuperSample::SUPER_SAMPLE_2X;
out.half_duplex = true;
out.auto_updates = true;
out.speed = 0.25f;
out.dampening = 3.0f;
out.crgbMap = WaveCrgbGradientMapPtr::New(electricGreenFirePal);
return out;
}
WaveEffect NewWaveSimulation2D(const XYMap xymap) {
// only apply complex xymap as the last step after compositiing.
XYMap xy_rect =
XYMap::constructRectangularGrid(xymap.getWidth(), xymap.getHeight());
Blend2dPtr fxBlend =
NewPtr<Blend2d>(xymap); // Final transformation goes to the blend stack.
int width = xymap.getWidth();
int height = xymap.getHeight();
XYMap xyRect(width, height, false);
WaveFx::Args args_lower = CreateArgsLower();
WaveFx::Args args_upper = CreateArgsUpper();
WaveFxPtr wave_fx_low = NewPtr<WaveFx>(xy_rect, args_lower);
WaveFxPtr wave_fx_high = NewPtr<WaveFx>(xy_rect, args_upper);
Blend2dPtr blend_stack = NewPtr<Blend2d>(xymap);
blend_stack->add(wave_fx_low);
blend_stack->add(wave_fx_high);
WaveEffect out = {
.wave_fx_low = wave_fx_low,
.wave_fx_high = wave_fx_high,
.blend_stack = blend_stack,
};
return out;
}