ReactRacetrack/Assets/Scripts/DollyCameraController.cs

using UnityEngine;
using Cinemachine;
using System.Collections.Generic;

public class DollyCameraController : MonoBehaviour
{
    public CinemachineDollyCart dollyCart;
    public float tapWindowSeconds = 0.5f;
    public float baseSpeed = 2f;
    public float maxSpeed = 10f;
    public float acceleration = 5f;

    private List<float> tapTimestamps = new List<float>();
    private float currentSpeed = 0f;
    private float targetSpeed = 0f;

    void Update()
    {
        HandleInput();
        UpdateSpeed();
        MoveCamera();
    }

    void HandleInput()
    {
        if (Input.GetMouseButtonDown(0) || Input.touchCount > 0)
        {
            tapTimestamps.Add(Time.time);
        }
    }

    public float tapSensitivity = 0.8f;

    void UpdateSpeed()
    {
        float cutoff = Time.time - tapWindowSeconds;
        tapTimestamps.RemoveAll(t => t < cutoff);

        float tps = tapTimestamps.Count / tapWindowSeconds;

        // Add tap influence to base speed (softly)
        float rawTarget = baseSpeed + (tps * tapSensitivity);
        targetSpeed = Mathf.Clamp(rawTarget, baseSpeed, maxSpeed);

        currentSpeed = Mathf.MoveTowards(currentSpeed, targetSpeed, acceleration * Time.deltaTime);
    }


    void MoveCamera()
    {
        if (dollyCart == null) return;

        float cameraSpeed = currentSpeed / 50f;
        dollyCart.m_Position += cameraSpeed * Time.deltaTime;
        dollyCart.m_Position %= 1f;
    }

    public float GetCameraPathPosition()
    {
        return dollyCart.m_Position;
    }
}