80 {
82
83
87
101
103
104 bool pickX = random8() < 128;
105 float sign = (random8() < 128) ? 1.0f : -1.0f;
106 if (pickX) {
107 float cx = random8(0, fx.getWidth());
108 float w = fx.getWidth() * 0.4f;
109 fx.noisePunchX(cx, w, sign);
110 } else {
111 float cy = random8(0, fx.getHeight());
112 float h = fx.getHeight() * 0.4f;
113 fx.noisePunchY(cy, h, sign);
114 }
115 }
116
119}
FL_DISABLE_WARNING_PUSH FL_DISABLE_WARNING_GLOBAL_CONSTRUCTORS CFastLED FastLED
Global LED strip management instance.
fl::UISlider flowSpeedY("Y Speed", 0.10f, -2.0f, 2.0f, 0.01f)
fl::UICheckbox showFlowVectors("Show Flow Vectors", false)
fl::UISlider flowAmpY("Y Amplitude", 1.0f, 0.0f, 2.0f, 0.01f)
fl::UISlider flowFreqX("X Frequency", 0.33f, 0.05f, 4.0f, 0.01f)
fl::UISlider flowAmpX("X Amplitude", 1.0f, 0.0f, 2.0f, 0.01f)
fl::UIButton noisePunch("NoisePunch")
fl::UIDropdown emitterMode("Emitter Mode", {"Lissajous", "Dots", "Both"})
fl::FlowFieldFloat flowFieldFloat(xyMap)
fl::UISlider numDots("Dots", 3, 1, 5, 1)
fl::UISlider flowFreqY("Y Frequency", 0.32f, 0.05f, 4.0f, 0.01f)
fl::UISlider endpointSpeed("Endpoint Speed", 0.80f, 0.05f, 2.0f, 0.01f)
fl::UISlider colorShift("Color Shift", 0.04f, 0.0f, 0.5f, 0.01f)
fl::UISlider flowShift("Pixel Shift", 1.8f, 0.5f, 4.0f, 0.1f)
fl::UISlider persistence("Trail Half-Life (s)", 0.86f, 0.05f, 5.0f, 0.01f)
fl::UIDropdown computeMode("Compute Mode", {"Float", "Fixed-Point (Fast)"})
fl::UISlider flowSpeedX("X Speed", 0.10f, -2.0f, 2.0f, 0.01f)
fl::FlowFieldFP flowFieldFP(xyMap)
void setDotCount(int count) FL_NO_EXCEPT
void setPersistence(float halfLife) FL_NO_EXCEPT
void setFlowAmplitudeY(float amp) FL_NO_EXCEPT
void setColorShift(float speed) FL_NO_EXCEPT
void setShowFlowVectors(bool show) FL_NO_EXCEPT
void setNoiseFrequencyY(float freq) FL_NO_EXCEPT
void draw(DrawContext context) FL_NO_EXCEPT override
Handles timing, then delegates to drawImpl().
void setEmitterMode(int mode) FL_NO_EXCEPT
void setFlowAmplitudeX(float amp) FL_NO_EXCEPT
void setFlowSpeedX(float speed) FL_NO_EXCEPT
void setNoiseFrequencyX(float freq) FL_NO_EXCEPT
void setEndpointSpeed(float speed) FL_NO_EXCEPT
void setFlowSpeedY(float speed) FL_NO_EXCEPT
void setFlowShift(float shift) FL_NO_EXCEPT
Abstract base class for 2D flow field effects.
::fl::DrawContext DrawContext
fl::u32 millis() FL_NO_EXCEPT
Universal millisecond timer - returns milliseconds since system startup.
Base definition for an LED controller.