71 lines
1.9 KiB
C#
71 lines
1.9 KiB
C#
using UnityEngine;
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namespace Com.LuisPedroFonseca.ProCamera2D
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{
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#if UNITY_5_3_OR_NEWER
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[HelpURLAttribute("http://www.procamera2d.com/user-guide/extension-pointer-influence/")]
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#endif
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public class ProCamera2DPointerInfluence : BasePC2D, IPreMover
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{
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public static string ExtensionName = "Pointer Influence";
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public float MaxHorizontalInfluence = 3f;
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public float MaxVerticalInfluence = 2f;
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public float InfluenceSmoothness = .2f;
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Vector2 _influence;
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Vector2 _velocity;
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protected override void Awake()
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{
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base.Awake();
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ProCamera2D.AddPreMover(this);
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}
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protected override void OnDestroy()
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{
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base.OnDestroy();
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if(ProCamera2D)
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ProCamera2D.RemovePreMover(this);
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}
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override public void OnReset()
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{
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_influence = Vector2.zero;
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_velocity = Vector2.zero;
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}
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#region IPreMover implementation
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public void PreMove(float deltaTime)
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{
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if(enabled)
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ApplyInfluence(deltaTime);
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}
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public int PrMOrder { get { return _prmOrder; } set { _prmOrder = value; } }
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int _prmOrder = 3000;
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#endregion
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void ApplyInfluence(float deltaTime)
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{
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var mousePosViewport = ProCamera2D.GameCamera.ScreenToViewportPoint(Input.mousePosition);
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var mousePosViewportH = mousePosViewport.x.Remap(0, 1, -1, 1);
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var mousePosViewportV = mousePosViewport.y.Remap(0, 1, -1, 1);
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var hInfluence = mousePosViewportH * MaxHorizontalInfluence;
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var vInfluence = mousePosViewportV * MaxVerticalInfluence;
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_influence = Vector2.SmoothDamp(_influence, new Vector2(hInfluence, vInfluence), ref _velocity, InfluenceSmoothness, Mathf.Infinity, deltaTime);
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ProCamera2D.ApplyInfluence(_influence);
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}
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}
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}
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