Sine Wave with Fear and Greed Indicators

//@version=5
indicator(title='Sine Wave with Fear and Greed Indicators', overlay=false)

// Input parameters for sine waves and MA
base_wave_height = input(100, title='Base Wave Height')
base_wave_frequency = input(1, title='Base Wave Frequency (Cycles)')
harmonic_height = input(30, title='Harmonic Wave Height')
harmonic_frequency = input(2, title='Harmonic Frequency (Cycles)')
ma_length = input(10, title='MA Length for Ribbon')

// Function to generate sine wave
f_sine_wave(height, frequency) =>
    freq = 2 * math.pi * frequency
    height * math.sin(freq * (bar_index / 100))  // Control frequency scaling over time

// Main sine wave
main_wave = f_sine_wave(base_wave_height, base_wave_frequency)

// Inner harmonic sine waves (representing fear and greed)
inner_harmonic1 = f_sine_wave(harmonic_height, harmonic_frequency)
inner_harmonic2 = f_sine_wave(harmonic_height * 0.5, harmonic_frequency * 1.5)  // More subtle harmonic

// Create an MA ribbon based on the main wave and harmonics
ma_ribbon = ta.sma(main_wave + inner_harmonic1 + inner_harmonic2, ma_length)

// Plotting the waves and the MA ribbon
plot(main_wave, title='Main Sine Wave', color=color.blue)
plot(inner_harmonic1, title='First Harmonic Wave (Greed)', color=color.green)
plot(inner_harmonic2, title='Second Harmonic Wave (Fear)', color=color.red)
plot(ma_ribbon, title='MA Ribbon', color=color.orange, linewidth=2)

// Highlight areas of fear and greed
bgcolor(inner_harmonic1 > main_wave ? color.new(color.green, 90) : na, title='Greed Area')
bgcolor(inner_harmonic2 < main_wave ? color.new(color.red, 90) : na, title='Fear Area')

// Alerts for significant wave conditions
greed_condition = ta.crossover(inner_harmonic1, main_wave)  // Corrected usage for crossover
fear_condition = ta.crossunder(inner_harmonic2, main_wave)  // Corrected usage for crossunder
alertcondition(greed_condition, title='Greed Alert', message='Degree of Greed Detected!')
alertcondition(fear_condition, title='Fear Alert', message='Degree of Fear Detected!')