Rasagar/Library/PackageCache/com.unity.cinemachine/Samples~/Cinemachine Example Scenes/Shared/Scripts/ThirdPersonFollowDistanceModifier.cs
2024-08-26 23:07:20 +03:00

68 lines
2.2 KiB
C#

using UnityEngine;
namespace Cinemachine.Examples
{
/// <summary>
/// This is an add-on for Cinemachine virtual cameras containing the ThirdPersonFollow component.
/// It modifies the camera distance as a function of vertical angle.
/// </summary>
[SaveDuringPlay]
public class ThirdPersonFollowDistanceModifier : MonoBehaviour
{
[Tooltip("Camera angle that corresponds to the start of the distance graph")]
public float MinAngle;
[Tooltip("Camera angle that corresponds to the end of the distance graph")]
public float MaxAngle;
[Tooltip("Defines how the camera distance scales as a function of vertical camera angle. "
+ "X axis of graph go from 0 to 1, Y axis is the multiplier that will be "
+ "applied to the base distance.")]
public AnimationCurve DistanceScale;
Cinemachine3rdPersonFollow TpsFollow;
Transform FollowTarget;
float BaseDistance;
void Reset()
{
MinAngle = -90;
MaxAngle = 90;
DistanceScale = AnimationCurve.EaseInOut(0, 0.5f, 1, 2);
}
void OnEnable()
{
var vcam = GetComponentInChildren<CinemachineVirtualCamera>();
if (vcam != null)
{
TpsFollow = vcam.GetCinemachineComponent<Cinemachine3rdPersonFollow>();
FollowTarget = vcam.Follow;
}
// Store the base camera distance, for consistent scaling
if (TpsFollow != null)
BaseDistance = TpsFollow.CameraDistance;
}
void OnDisable()
{
// Restore the TPS base camera distance
if (TpsFollow != null)
TpsFollow.CameraDistance = BaseDistance;
}
void Update()
{
// Scale the TPS camera distance
if (TpsFollow != null && FollowTarget != null)
{
var xRot = FollowTarget.rotation.eulerAngles.x;
if (xRot > 180)
xRot -= 360;
var t = (xRot - MinAngle) / (MaxAngle - MinAngle);
TpsFollow.CameraDistance = BaseDistance * DistanceScale.Evaluate(t);
}
}
}
}