85 lines
2.5 KiB
C#
85 lines
2.5 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class ProximityActivate : MonoBehaviour
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{
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public Transform distanceActivator, lookAtActivator;
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public float distance;
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public Transform activator;
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public bool activeState = false;
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public CanvasGroup target;
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public bool lookAtCamera = true;
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public bool enableInfoPanel = false;
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public GameObject infoIcon;
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float alpha;
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public CanvasGroup infoPanel;
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Quaternion originRotation, targetRotation;
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void Start()
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{
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originRotation = transform.rotation;
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alpha = activeState ? 1 : -1;
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if (activator == null) activator = Camera.main.transform;
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infoIcon.SetActive(infoPanel != null);
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}
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bool IsTargetNear()
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{
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var distanceDelta = distanceActivator.position - activator.position;
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if (distanceDelta.sqrMagnitude < distance * distance)
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{
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if (lookAtActivator != null)
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{
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var lookAtActivatorDelta = lookAtActivator.position - activator.position;
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if (Vector3.Dot(activator.forward, lookAtActivatorDelta.normalized) > 0.95f)
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return true;
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}
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var lookAtDelta = target.transform.position - activator.position;
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if (Vector3.Dot(activator.forward, lookAtDelta.normalized) > 0.95f)
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return true;
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}
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return false;
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}
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void Update()
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{
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if (!activeState)
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{
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if (IsTargetNear())
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{
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alpha = 1;
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activeState = true;
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}
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}
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else
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{
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if (!IsTargetNear())
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{
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alpha = -1;
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activeState = false;
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enableInfoPanel = false;
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}
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}
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target.alpha = Mathf.Clamp01(target.alpha + alpha * Time.deltaTime);
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if (infoPanel != null)
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{
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if (Input.GetKeyDown(KeyCode.Space))
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enableInfoPanel = !enableInfoPanel;
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infoPanel.alpha = Mathf.Lerp(infoPanel.alpha, Mathf.Clamp01(enableInfoPanel ? alpha : 0), Time.deltaTime * 10);
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}
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if (lookAtCamera)
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{
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if (activeState)
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targetRotation = Quaternion.LookRotation(activator.position - transform.position);
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else
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targetRotation = originRotation;
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transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, Time.deltaTime);
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}
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}
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}
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