noisepalette.h

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#pragma once
 
#include <stdint.h>
 
#include "FastLED.h"
#include "fx/fx2d.h"
#include "lib8tion/random8.h"
#include "noise.h"
#include "fl/ptr.h"
#include "fl/xymap.h"
#include "fx/time.h"
 
namespace fl {
 
FASTLED_SMART_PTR(NoisePalette);
 
class NoisePalette : public Fx2d {
  public:
    // Fps is used by the fx_engine to maintain a fixed frame rate, ignored otherwise.
    NoisePalette(XYMap xyMap, float fps = 60.f);
 
    bool hasFixedFrameRate(float *fps) const override {
        *fps = mFps;
        return true;
    }
 
    // No need for a destructor, scoped_ptr will handle memory deallocation
 
    void draw(DrawContext context) override {
        fillnoise8();
        mapNoiseToLEDsUsingPalette(context.leds);
    }
 
    Str fxName() const override { return "NoisePalette"; }
    void mapNoiseToLEDsUsingPalette(CRGB *leds);
 
    uint8_t changeToRandomPalette();
 
    // There are 12 palette indexes but they don't have names. Use this to set
    // which one you want.
    uint8_t getPalettePresetCount() const { return 12; }
    uint8_t getPalettePreset() const { return currentPaletteIndex; }
    void setPalettePreset(int paletteIndex);
    void setPalette(const CRGBPalette16 &palette, uint16_t speed,
                    uint16_t scale, bool colorLoop) {
        currentPalette = palette;
        this->speed = speed;
        this->scale = scale;
        this->colorLoop = colorLoop;
    }
    void setSpeed(uint16_t speed) { this->speed = speed; }
    void setScale(uint16_t scale) { this->scale = scale; }
 
  private:
    uint16_t mX, mY, mZ;
    uint16_t width, height;
    uint16_t speed = 0;
    uint16_t scale = 0;
    fl::scoped_array<uint8_t> noise;
    CRGBPalette16 currentPalette;
    bool colorLoop = 0;
    int currentPaletteIndex = 0;
    float mFps = 60.f;
 
    void fillnoise8();
 
    uint16_t XY(uint8_t x, uint8_t y) const { return mXyMap.mapToIndex(x, y); }
 
    void SetupRandomPalette() {
        CRGBPalette16 newPalette;
        do {
            newPalette = CRGBPalette16(
                CHSV(random8(), 255, 32), CHSV(random8(), 255, 255),
                CHSV(random8(), 128, 255), CHSV(random8(), 255, 255));
        } while (newPalette == currentPalette);
        currentPalette = newPalette;
    }
 
    void SetupBlackAndWhiteStripedPalette() {
        fill_solid(currentPalette, 16, CRGB::Black);
        currentPalette[0] = CRGB::White;
        currentPalette[4] = CRGB::White;
        currentPalette[8] = CRGB::White;
        currentPalette[12] = CRGB::White;
    }
 
    void SetupPurpleAndGreenPalette() {
        CRGB purple = CHSV(HUE_PURPLE, 255, 255);
        CRGB green = CHSV(HUE_GREEN, 255, 255);
        CRGB black = CRGB::Black;
 
        currentPalette = CRGBPalette16(
            green, green, black, black, purple, purple, black, black, green,
            green, black, black, purple, purple, black, black);
    }
};
 
}  // namespace fl