50 lines
1.2 KiB
C#
50 lines
1.2 KiB
C#
using UnityEngine;
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namespace UnityStandardAssets._2D
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{
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public class Camera2DFollow : MonoBehaviour
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{
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public Transform target;
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public float damping = 1f;
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public float lookAheadFactor = 3f;
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public float lookAheadReturnSpeed = 0.5f;
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public float lookAheadMoveThreshold = 0.1f;
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private float m_OffsetZ;
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private Vector3 m_LastTargetPosition;
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private Vector3 m_CurrentVelocity;
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private Vector3 m_LookAheadPos;
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private void Start()
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{
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m_LastTargetPosition = target.position;
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m_OffsetZ = (base.transform.position - target.position).z;
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base.transform.parent = null;
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}
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private void Update()
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{
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float x = (target.position - m_LastTargetPosition).x;
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if (Mathf.Abs(x) > lookAheadMoveThreshold)
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{
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m_LookAheadPos = lookAheadFactor * Vector3.right * Mathf.Sign(x);
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}
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else
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{
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m_LookAheadPos = Vector3.MoveTowards(m_LookAheadPos, Vector3.zero, Time.deltaTime * lookAheadReturnSpeed);
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}
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Vector3 vector = target.position + m_LookAheadPos + Vector3.forward * m_OffsetZ;
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Vector3 position = Vector3.SmoothDamp(base.transform.position, vector, ref m_CurrentVelocity, damping);
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base.transform.position = position;
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m_LastTargetPosition = target.position;
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}
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}
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}
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