93 lines
2.6 KiB
C#
93 lines
2.6 KiB
C#
///Credit Tomek S
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///Sourced from - https://pastebin.com/NXYu37jC
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using System.Collections;
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using UnityEngine.EventSystems;
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namespace UnityEngine.UI.Extensions
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{
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[AddComponentMenu("UI/Extensions/Selectable Scalar")]
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[RequireComponent(typeof(Button))]
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public class SelectableScaler : MonoBehaviour, IPointerDownHandler, IPointerUpHandler
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{
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public AnimationCurve animCurve;
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[Tooltip("Animation speed multiplier")]
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public float speed = 1;
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private Vector3 initScale;
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public Transform target;
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Selectable selectable;
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public Selectable Target
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{
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get
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{
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if (selectable == null)
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selectable = GetComponent<Selectable>();
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return selectable;
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}
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}
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// Use this for initialization
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void Awake()
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{
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if (target == null)
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target = transform;
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initScale = target.localScale;
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}
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void OnEnable()
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{
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target.localScale = initScale;
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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if (Target != null && !Target.interactable)
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return;
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StopCoroutine("ScaleOUT");
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StartCoroutine("ScaleIN");
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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if (Target != null && !Target.interactable)
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return;
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StopCoroutine("ScaleIN");
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StartCoroutine("ScaleOUT");
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}
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IEnumerator ScaleIN()
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{
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if (animCurve.keys.Length > 0)
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{
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target.localScale = initScale;
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float t = 0;
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float maxT = animCurve.keys[animCurve.length - 1].time;
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while (t < maxT)
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{
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t += speed * Time.unscaledDeltaTime;
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target.localScale = Vector3.one * animCurve.Evaluate(t);
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yield return null;
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}
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}
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}
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IEnumerator ScaleOUT()
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{
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if (animCurve.keys.Length > 0)
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{
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//target.localScale = initScale;
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float t = 0;
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float maxT = animCurve.keys[animCurve.length - 1].time;
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while (t < maxT)
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{
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t += speed * Time.unscaledDeltaTime;
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target.localScale = Vector3.one * animCurve.Evaluate(maxT - t);
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yield return null;
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}
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transform.localScale = initScale;
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}
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}
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}
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} |