133 lines
4.6 KiB
C#
133 lines
4.6 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using NUnit.Framework;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.TestTools;
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using UnityEngine.UI;
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using UnityEngine.TestTools.Utils;
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public class GraphicRaycasterTests
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{
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Camera m_Camera;
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EventSystem m_EventSystem;
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Canvas m_Canvas;
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RectTransform m_CanvasRectTrans;
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Text m_TextComponent;
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[SetUp]
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public void TestSetup()
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{
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m_Camera = new GameObject("GraphicRaycaster Camera").AddComponent<Camera>();
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m_Camera.transform.position = Vector3.zero;
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m_Camera.transform.LookAt(Vector3.forward);
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m_Camera.farClipPlane = 10;
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m_EventSystem = new GameObject("Event System").AddComponent<EventSystem>();
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m_Canvas = new GameObject("Canvas").AddComponent<Canvas>();
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m_Canvas.renderMode = RenderMode.WorldSpace;
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m_Canvas.worldCamera = m_Camera;
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m_Canvas.gameObject.AddComponent<GraphicRaycaster>();
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m_CanvasRectTrans = m_Canvas.GetComponent<RectTransform>();
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m_CanvasRectTrans.sizeDelta = new Vector2(100, 100);
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var textGO = new GameObject("Text");
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m_TextComponent = textGO.AddComponent<Text>();
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var textRectTrans = m_TextComponent.rectTransform;
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textRectTrans.SetParent(m_Canvas.transform);
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textRectTrans.anchorMin = Vector2.zero;
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textRectTrans.anchorMax = Vector2.one;
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textRectTrans.offsetMin = Vector2.zero;
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textRectTrans.offsetMax = Vector2.zero;
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}
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[UnityTest]
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public IEnumerator GraphicRaycasterDoesNotHitGraphicBehindCameraFarClipPlane()
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{
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m_CanvasRectTrans.anchoredPosition3D = new Vector3(0, 0, 11);
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yield return null;
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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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Assert.IsEmpty(results, "Expected no results from a raycast against a graphic behind the camera's far clip plane.");
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}
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[UnityTest]
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public IEnumerator GraphicRaycasterReturnsWorldPositionAndWorldNormal()
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{
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m_CanvasRectTrans.anchoredPosition3D = new Vector3(0, 0, 11);
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m_Camera.farClipPlane = 12;
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yield return null;
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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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// on katana on 10.13 agents world position returned is 0, -0.00952, 11
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// it does not reproduce for me localy, so we just tweak the comparison threshold
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Assert.That(new Vector3(0, 0, 11), Is.EqualTo(results[0].worldPosition).Using(new Vector3EqualityComparer(0.01f)));
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Assert.That(new Vector3(0, 0, -1), Is.EqualTo(results[0].worldNormal).Using(new Vector3EqualityComparer(0.001f)));
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}
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[UnityTest]
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public IEnumerator GraphicRaycasterUsesGraphicPadding()
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{
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m_CanvasRectTrans.anchoredPosition3D = new Vector3(0, 0, 11);
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m_TextComponent.raycastPadding = new Vector4(-50, -50, -50, -50);
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m_Camera.farClipPlane = 12;
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yield return null;
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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) - 60, Screen.height / 2f)
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};
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m_EventSystem.RaycastAll(pointerEvent, results);
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Assert.IsNotEmpty(results, "Expected at least 1 result from a raycast outside the graphics RectTransform whose padding would make the click hit.");
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}
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[UnityTest]
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public IEnumerator GraphicOnTheSamePlaneAsTheCameraCanBeTargetedForEvents()
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{
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m_Canvas.renderMode = RenderMode.ScreenSpaceCamera;
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m_Canvas.planeDistance = 0;
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m_Camera.orthographic = true;
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m_Camera.orthographicSize = 1;
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m_Camera.nearClipPlane = 0;
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m_Camera.farClipPlane = 12;
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yield return null;
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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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Assert.IsNotEmpty(results, "Expected at least 1 result from a raycast ");
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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_Camera.gameObject);
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Object.DestroyImmediate(m_EventSystem.gameObject);
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Object.DestroyImmediate(m_Canvas.gameObject);
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}
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}
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