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