119 lines
3.8 KiB
C#
119 lines
3.8 KiB
C#
using NUnit.Framework;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.Rendering;
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public class Physics2DRaycasterTests
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{
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GameObject m_CamGO;
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SpriteRenderer m_RedSprite;
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SpriteRenderer m_BlueSprite;
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SpriteRenderer m_GreenSprite;
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EventSystem m_EventSystem;
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[SetUp]
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public void TestSetup()
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{
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m_CamGO = new GameObject("Physics2DRaycaster Camera");
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m_CamGO.transform.position = new Vector3(0, 0, -10);
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m_CamGO.transform.LookAt(Vector3.zero);
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var cam = m_CamGO.AddComponent<Camera>();
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cam.orthographic = true;
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m_CamGO.AddComponent<Physics2DRaycaster>();
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m_EventSystem = m_CamGO.AddComponent<EventSystem>();
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var texture = new Texture2D(64, 64);
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var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0, 0));
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m_RedSprite = CreateTestSprite("Red", Color.red, sprite);
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m_BlueSprite = CreateTestSprite("Blue", Color.blue, sprite);
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m_GreenSprite = CreateTestSprite("Green", Color.green, sprite);
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}
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static SpriteRenderer CreateTestSprite(string name, Color color, Sprite sprite)
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{
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var go = new GameObject(name);
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var sr = go.AddComponent<SpriteRenderer>();
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sr.sprite = sprite;
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sr.color = color;
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go.AddComponent<BoxCollider2D>();
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return sr;
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}
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[TearDown]
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public void TearDown()
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{
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GameObject.DestroyImmediate(m_CamGO);
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GameObject.DestroyImmediate(m_RedSprite.gameObject);
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GameObject.DestroyImmediate(m_BlueSprite.gameObject);
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GameObject.DestroyImmediate(m_GreenSprite.gameObject);
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}
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static void AssertRaycastResultsOrder(List<RaycastResult> results, params SpriteRenderer[] expectedOrder)
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{
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Assert.AreEqual(expectedOrder.Length, results.Count);
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for (int i = 0; i < expectedOrder.Length; ++i)
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{
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Assert.AreSame(expectedOrder[i].gameObject, results[i].gameObject, "Expected {0} at index {1} but got {2}", expectedOrder[i], i, results[i].gameObject);
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}
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}
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List<RaycastResult> PerformRaycast()
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{
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var results = new List<RaycastResult>();
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var pointerEvent = new PointerEventData(m_EventSystem)
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{
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position = new Vector2(Screen.width / 2f, Screen.height / 2f)
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};
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m_EventSystem.RaycastAll(pointerEvent, results);
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return results;
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}
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[Test]
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public void RaycastAllResultsAreSortedByRendererSortingOrder()
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{
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m_RedSprite.sortingOrder = -10;
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m_BlueSprite.sortingOrder = 0;
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m_GreenSprite.sortingOrder = 5;
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var results = PerformRaycast();
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AssertRaycastResultsOrder(results, m_GreenSprite, m_BlueSprite, m_RedSprite);
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}
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[Test]
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public void RaycastAllResultsAreSortedBySortGroupOrder()
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{
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var blueSg = m_BlueSprite.gameObject.AddComponent<SortingGroup>();
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blueSg.sortingLayerID = 0;
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blueSg.sortingOrder = -10;
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var redSg = m_RedSprite.gameObject.AddComponent<SortingGroup>();
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redSg.sortingLayerID = 0;
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redSg.sortingOrder = 10;
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SortingGroup.UpdateAllSortingGroups();
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var results = PerformRaycast();
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AssertRaycastResultsOrder(results, m_RedSprite, m_GreenSprite, m_BlueSprite);
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}
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[Test]
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public void RaycastAllResultsAreSortedBySortGroupOrderAndSortingOrder()
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{
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m_RedSprite.sortingOrder = -10;
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m_BlueSprite.sortingOrder = 0;
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m_GreenSprite.sortingOrder = 5;
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var sg = m_BlueSprite.gameObject.AddComponent<SortingGroup>();
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sg.sortingLayerID = 0;
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sg.sortingOrder = 100;
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SortingGroup.UpdateAllSortingGroups();
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var results = PerformRaycast();
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AssertRaycastResultsOrder(results, m_BlueSprite, m_GreenSprite, m_RedSprite);
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}
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}
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