110 lines
3.8 KiB
C#
110 lines
3.8 KiB
C#
using System.IO;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.TestTools;
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using NUnit.Framework;
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using System.Collections;
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using UnityEditor;
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/*
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This test checks that a maskableGraphic within a RectMask2D will be properly clipped.
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Test for case (1013182 - [RectMask2D] Child gameObject is masked if there are less than 2 corners of GO that matches RectMask's x position)
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*/
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namespace UnityEngine.UI.Tests
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{
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public class RectMask2DClipping : IPrebuildSetup
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{
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GameObject m_PrefabRoot;
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GameObject m_CameraGO;
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const string kPrefabPath = "Assets/Resources/Mask2DRectCullingPrefab.prefab";
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public void Setup()
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{
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#if UNITY_EDITOR
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var rootGO = new GameObject("RootGO");
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var rootCanvasGO = new GameObject("Canvas", typeof(Canvas), typeof(CanvasScaler));
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rootCanvasGO.GetComponent<Canvas>().renderMode = RenderMode.ScreenSpaceOverlay;
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rootCanvasGO.transform.SetParent(rootGO.transform);
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var maskGO = new GameObject("Mask", typeof(RectTransform), typeof(RectMask2D));
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var maskTransform = maskGO.GetComponent<RectTransform>();
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maskTransform.SetParent(rootCanvasGO.transform);
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maskTransform.localPosition = Vector3.zero;
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maskTransform.sizeDelta = new Vector2(200, 200);
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maskTransform.localScale = Vector3.one;
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var imageGO = new GameObject("Image", typeof(RectTransform), typeof(ImageHook));
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var imageTransform = imageGO.GetComponent<RectTransform>();
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imageTransform.SetParent(maskTransform);
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imageTransform.localPosition = new Vector3(-125, 0, 0);
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imageTransform.sizeDelta = new Vector2(100, 100);
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imageTransform.localScale = Vector3.one;
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if (!Directory.Exists("Assets/Resources/"))
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Directory.CreateDirectory("Assets/Resources/");
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UnityEditor.PrefabUtility.SaveAsPrefabAsset(rootGO, kPrefabPath);
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GameObject.DestroyImmediate(rootGO);
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#endif
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}
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[SetUp]
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public void TestSetup()
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{
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m_PrefabRoot = Object.Instantiate(Resources.Load("Mask2DRectCullingPrefab")) as GameObject;
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m_CameraGO = new GameObject("Camera", typeof(Camera));
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}
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[UnityTest]
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public IEnumerator Mask2DRect_CorrectClipping()
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{
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//root->canvas->mask->image
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RectTransform t = m_PrefabRoot.transform.GetChild(0).GetChild(0).GetChild(0) as RectTransform;
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CanvasRenderer cr = t.GetComponent<CanvasRenderer>();
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bool cull = false;
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for (int i = 0; i < 360; i += 45)
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{
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t.localEulerAngles = new Vector3(0, 0, i);
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cull |= cr.cull;
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yield return null;
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}
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Assert.IsFalse(cull);
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}
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[Test]
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public void Mask2DRect_NonZeroPaddingMasksProperly()
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{
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var mask = m_PrefabRoot.GetComponentInChildren<RectMask2D>();
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mask.padding = new Vector4(10, 10, 10, 10);
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Canvas.ForceUpdateCanvases();
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var image = m_PrefabRoot.GetComponentInChildren<ImageHook>();
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// The mask rect is 200, and padding of 10 all around makes it so its 180 in size.
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Assert.AreEqual(180, image.cachedClipRect.height);
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Assert.AreEqual(180, image.cachedClipRect.width);
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Assert.AreEqual(-90f, image.cachedClipRect.x);
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}
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[TearDown]
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public void TearDown()
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{
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Object.DestroyImmediate(m_PrefabRoot);
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GameObject.DestroyImmediate(m_CameraGO);
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}
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[OneTimeTearDown]
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public void OneTimeTearDown()
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{
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#if UNITY_EDITOR
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AssetDatabase.DeleteAsset(kPrefabPath);
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#endif
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}
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}
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}
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