50 lines
2 KiB
C#
50 lines
2 KiB
C#
using UnityEngine;
|
|
|
|
public class Drift : MonoBehaviour
|
|
{
|
|
[SerializeField] Rigidbody rb;
|
|
[SerializeField] private float baseLateralFrictionCoeff = 5f;
|
|
[SerializeField] private float lateralVelocityStartDriftThreshold = 10f;
|
|
[SerializeField] private float lateralVelocityTotalDriftThreshold = 15f;
|
|
|
|
[SerializeField] private TrailRenderer trailRendererLeft;
|
|
[SerializeField] private TrailRenderer trailRendererRight;
|
|
|
|
|
|
[SerializeField] RotateWithMouse moreRotateWhenDrift;
|
|
|
|
[SerializeField] [Range(1, 5)] float RotateLerpSpeedMultipler;
|
|
|
|
private float lateralFrictionCoeff;
|
|
private float baseRotateLerpSpeed;
|
|
private float newRotateLerpSpeed => baseRotateLerpSpeed * RotateLerpSpeedMultipler;
|
|
// Start is called once before the first execution of Update after the MonoBehaviour is created
|
|
void Start()
|
|
{
|
|
baseRotateLerpSpeed = moreRotateWhenDrift.lerpSpeed;
|
|
}
|
|
|
|
// Update is called once per frame
|
|
void FixedUpdate()
|
|
{
|
|
|
|
|
|
Vector3 forwardVelocity = Vector3.Project(rb.linearVelocity, transform.forward);
|
|
Vector3 lateralVelocity = rb.linearVelocity - forwardVelocity;
|
|
|
|
// dynamicCoeff is equal to 1 when no drift is happening, and 0 when the drift is at its maximum
|
|
float dynamicCoeff = Mathf.InverseLerp(lateralVelocityTotalDriftThreshold, lateralVelocityStartDriftThreshold, lateralVelocity.magnitude);
|
|
trailRendererLeft.emitting = dynamicCoeff < 0.9f;
|
|
trailRendererRight.emitting = dynamicCoeff < 0.9f;
|
|
|
|
|
|
// When no drift -> lerpSpeed = baseRotateLerpSpeed, when drift -> lerpSpeed = newRotateLerpSpeed
|
|
moreRotateWhenDrift.lerpSpeed = Mathf.Lerp(newRotateLerpSpeed, baseRotateLerpSpeed, dynamicCoeff);
|
|
lateralFrictionCoeff = baseLateralFrictionCoeff * dynamicCoeff;
|
|
print(dynamicCoeff);
|
|
|
|
Vector3 lateralFrictionForce = -lateralVelocity * lateralFrictionCoeff;
|
|
rb.AddForce(lateralFrictionForce, ForceMode.Acceleration);
|
|
}
|
|
|
|
}
|