PnF Bullish & Bearish Trend Line Indicator with Proximity Alert

This Pine Script indicator, "PnF Bullish and Bearish Trend line Proximity Alert," overlays on a trading chart to monitor and alert users about interactions with bullish and bearish trend lines derived from Point and Figure (PnF) charting.

Key Features:

Inputs: Users can set parameters such as box size, bullish and bearish angles (in degrees), and a proximity threshold for detecting touches.

Slope Calculation: The script calculates the slopes for bullish and bearish trendlines using the tangent of the specified angles.

Trendline Management:
It initializes and updates trend lines based on price interactions, adjusting their starting points and positions as conditions change.

Proximity Detection: The indicator checks if the current price is close enough to the trend lines and sets conditions for alerts.

Alerts: Users receive alerts when both trend lines are touched, enhancing decision-making for trading strategies.

Visual Feedback: It highlights areas where both trend lines are touched and plots the trend lines in distinct colors for clarity.

This indicator provides an effective way to track key price levels and potential trend reversals in the market.