버전:2022.1+
이 예시는 TransitionEndEvent
를 활용하여 루핑되는 전환을 만드는 방법을 보여줍니다.
이 예시에서는 두 개의 루핑 애니메이션을 보여줍니다.
이 예시에서 생성한 완성된 파일은 이 GitHub 저장소에서 찾을 수 있습니다.
이 가이드는 Unity 에디터, UI 툴킷, C# 스크립팅에 익숙한 개발자용입니다.시작하기 전에 먼저 다음을 숙지하십시오.
템플릿을 사용하여 Unity에서 프로젝트를 생성합니다.
프로젝트(Project) 창에서 loop-transition-example
이라는 이름의 폴더를 만듭니다.
폴더를 오른쪽 클릭하고 Create > UI Toolkit > Editor Window를 선택합니다.
UI Toolkit Editor Window Creator 창에서 LoopingExample
을 입력합니다.
변경 사항을 저장합니다.이렇게 하면 LoopingExample.cs
, LoopingExample.uss
, LoopingExample.uxml
로 세 개의 파일이 생성됩니다.
LoopingExample.cs
를 다음 콘텐츠로 바꿉니다.
using UnityEditor;
using UnityEngine;
using UnityEngine.UIElements;
public class LoopingExample :EditorWindow
{
[SerializeField] private VisualTreeAsset m_VisualTreeAsset = default;
private Label _yoyoLabel;
private Label _a2bLabel;
[MenuItem("Window/UI Toolkit/Transition Looping Example")]
public static void ShowExample()
{
var wnd = GetWindow<LoopingExample>();
wnd.titleContent = new GUIContent("TransitionStyle");
}
public void CreateGUI()
{
VisualElement root = rootVisualElement;
VisualElement asset = m_VisualTreeAsset.Instantiate();
root.Add(asset);
SetupYoyo(root);
SetupA2B(root);
}
// This method powers the yo-yo loop.
private void SetupYoyo(VisualElement root)
{
_yoyoLabel = root.Q<Label>(name:"yoyo-label");
// When the animation ends, the callback toggles a class to set the scale to 1.3
// or back to 1.0 when it's removed.
_yoyoLabel.RegisterCallback<TransitionEndEvent>(evt => _yoyoLabel.ToggleInClassList("enlarge-scale-yoyo"));
// Schedule the first transition 100 milliseconds after the root.schedule.Execute method is called.
root.schedule.Execute(() => _yoyoLabel.ToggleInClassList("enlarge-scale-yoyo")).StartingIn(100);
}
// This method powers the A-to-B cycle.
private void SetupA2B(VisualElement root)
{
_a2bLabel = root.Q<Label>(name:"a2b-label");
_a2bLabel.RegisterCallback<TransitionEndEvent>(evt =>
{
_a2bLabel.RemoveFromClassList("enlarge-scale-a2b");
_a2bLabel.schedule.Execute(() => _a2bLabel.AddToClassList("enlarge-scale-a2b")).StartingIn(10);
});
_a2bLabel.schedule.Execute(() => _a2bLabel.AddToClassList("enlarge-scale-a2b")).StartingIn(100);
}
}
LoopingExample.uxml
을 다음 콘텐츠로 바꿉니다.
<ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements"
xsi="http://www.w3.org/2001/XMLSchema-instance"
engine="UnityEngine.UIElements" editor="UnityEditor.UIElements"
noNamespaceSchemaLocation="../../../../UIElementsSchema/UIElements.xsd"
editor-extension-mode="False">
<Style src="LoopingExample.uss" />
<ui:VisualElement name="container">
<ui:VisualElement>
<ui:Label text="Yo-yo Transition" name="yoyo-label" class="text-style" />
</ui:VisualElement>
<ui:VisualElement>
<ui:Label text="A-to-B Transition" name="a2b-label" class="text-style"/>
</ui:VisualElement>
</ui:VisualElement>
</ui:UXML>
LoopingExample.uss
를 다음 콘텐츠로 바꿉니다.
#yoyo-label{
transition-duration:3s;
}
.text-style {
font-size:20px;
flex-grow:0;
margin:20px;
}
.enlarge-scale-a2b{
scale:1.5 1.5;
transition-duration:3s;
}
.enlarge-scale-yoyo{
scale:1.5 1.5;
}
#container{
flex-grow:1;
justify-content: space-around;
align-items: center;
}
이 예시를 테스트해 보려면 메뉴에서 Window -> UI Toolkit -> Transition Looping Example을 선택합니다.
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