SW-Wiktor-Bombola/SW-Unity/Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/EventSystem/GraphicRaycasterTests.cs
2021-12-04 15:15:29 +01:00

114 lines
3.9 KiB
C#

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