111 lines
2.5 KiB
C#
111 lines
2.5 KiB
C#
//----------------------------------------------
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// NGUI: Next-Gen UI kit
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// Copyright © 2011-2015 Tasharen Entertainment
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//----------------------------------------------
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using UnityEngine;
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/// <summary>
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/// Tween the object's position.
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/// </summary>
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[AddComponentMenu("NGUI/Tween/Tween Position")]
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public class TweenPosition : UITweener
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{
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public Vector3 from;
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public Vector3 to;
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[HideInInspector]
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public bool worldSpace = false;
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Transform mTrans;
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UIRect mRect;
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public Transform cachedTransform { get { if (mTrans == null) mTrans = transform; return mTrans; } }
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[System.Obsolete("Use 'value' instead")]
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public Vector3 position { get { return this.value; } set { this.value = value; } }
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/// <summary>
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/// Tween's current value.
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/// </summary>
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public Vector3 value
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{
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get
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{
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return worldSpace ? cachedTransform.position : cachedTransform.localPosition;
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}
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set
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{
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if (mRect == null || !mRect.isAnchored || worldSpace)
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{
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if (worldSpace) cachedTransform.position = value;
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else cachedTransform.localPosition = value;
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}
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else
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{
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value -= cachedTransform.localPosition;
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NGUIMath.MoveRect(mRect, value.x, value.y);
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}
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}
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}
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void Awake () { mRect = GetComponent<UIRect>(); }
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/// <summary>
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/// Tween the value.
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/// </summary>
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protected override void OnUpdate (float factor, bool isFinished) { value = from * (1f - factor) + to * factor; }
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/// <summary>
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/// Start the tweening operation.
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/// </summary>
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static public TweenPosition Begin (GameObject go, float duration, Vector3 pos)
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{
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TweenPosition comp = UITweener.Begin<TweenPosition>(go, duration);
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comp.from = comp.value;
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comp.to = pos;
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if (duration <= 0f)
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{
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comp.Sample(1f, true);
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comp.enabled = false;
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}
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return comp;
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}
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/// <summary>
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/// Start the tweening operation.
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/// </summary>
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static public TweenPosition Begin (GameObject go, float duration, Vector3 pos, bool worldSpace)
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{
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TweenPosition comp = UITweener.Begin<TweenPosition>(go, duration);
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comp.worldSpace = worldSpace;
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comp.from = comp.value;
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comp.to = pos;
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if (duration <= 0f)
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{
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comp.Sample(1f, true);
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comp.enabled = false;
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}
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return comp;
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}
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[ContextMenu("Set 'From' to current value")]
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public override void SetStartToCurrentValue () { from = value; }
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[ContextMenu("Set 'To' to current value")]
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public override void SetEndToCurrentValue () { to = value; }
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[ContextMenu("Assume value of 'From'")]
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void SetCurrentValueToStart () { value = from; }
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[ContextMenu("Assume value of 'To'")]
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void SetCurrentValueToEnd () { value = to; }
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}
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