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Updated Radial Slider to user event Pointer position instead of Input.MousePos, allows multiple radials to be use on touch screens. 

Resolves #231
pull/413/head
Simon (Darkside) Jackson 2018-04-12 15:12:17 +01:00
parent 104002eaa5
commit 18a61b5ef5
4 changed files with 409 additions and 12 deletions
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27
Examples/RadialSlider/ReportRadialTouch.cs Normal file
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@ -0,0 +1,27 @@
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
public class ReportRadialTouch : MonoBehaviour, IPointerEnterHandler, IPointerDownHandler, IPointerUpHandler
{
public Text OutputField;
#region Interfaces
// Called when the pointer enters our GUI component.
// Start tracking the mouse
public void OnPointerEnter(PointerEventData eventData)
{
OutputField.text = "Enter - eligibleForClick [" + eventData.eligibleForClick.ToString() + "] - pointerId [ " + eventData.pointerId + "]";
}
public void OnPointerDown(PointerEventData eventData)
{
OutputField.text = "Pointer Down - eligibleForClick [" + eventData.eligibleForClick.ToString() + "] - pointerId [ " + eventData.pointerId + "]";
}
public void OnPointerUp(PointerEventData eventData)
{
OutputField.text = "Pointer Up - eligibleForClick [" + eventData.eligibleForClick.ToString() + "] - pointerId [ " + eventData.pointerId + "]";
}
#endregion
}

11
Examples/RadialSlider/ReportRadialTouch.cs.meta Normal file
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369
Examples/RadialSlider/radial_slider.unity
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14
Scripts/Controls/RadialSlider.cs
View File

@ -10,10 +10,10 @@ namespace UnityEngine.UI.Extensions
{ {
[AddComponentMenu("UI/Extensions/Radial Slider")] [AddComponentMenu("UI/Extensions/Radial Slider")]
[RequireComponent(typeof(Image))] [RequireComponent(typeof(Image))]
public class RadialSlider : MonoBehaviour, IPointerEnterHandler, IPointerDownHandler, IPointerUpHandler public class RadialSlider : MonoBehaviour, IPointerEnterHandler, IPointerDownHandler, IPointerUpHandler, IDragHandler
{ {
private bool isPointerDown, isPointerReleased, lerpInProgress; private bool isPointerDown, isPointerReleased, lerpInProgress;
private Vector2 m_localPos; private Vector2 m_localPos, m_screenPos;
private float m_targetAngle, m_lerpTargetAngle, m_startAngle, m_currentLerpTime, m_lerpTime; private float m_targetAngle, m_lerpTargetAngle, m_startAngle, m_currentLerpTime, m_lerpTime;
private Camera m_eventCamera; private Camera m_eventCamera;
private Image m_image; private Image m_image;
@ -196,7 +196,7 @@ namespace UnityEngine.UI.Extensions
private float GetAngleFromMousePoint() private float GetAngleFromMousePoint()
{ {
RectTransformUtility.ScreenPointToLocalPointInRectangle(transform as RectTransform, Input.mousePosition, m_eventCamera, out m_localPos); RectTransformUtility.ScreenPointToLocalPointInRectangle(transform as RectTransform, m_screenPos, m_eventCamera, out m_localPos);
// radial pos of the mouse position. // radial pos of the mouse position.
return (Mathf.Atan2(-m_localPos.y, m_localPos.x) * 180f / Mathf.PI + 180f) / 360f; return (Mathf.Atan2(-m_localPos.y, m_localPos.x) * 180f / Mathf.PI + 180f) / 360f;
@ -232,20 +232,28 @@ namespace UnityEngine.UI.Extensions
// Start tracking the mouse // Start tracking the mouse
public void OnPointerEnter(PointerEventData eventData) public void OnPointerEnter(PointerEventData eventData)
{ {
m_screenPos = eventData.position;
m_eventCamera = eventData.enterEventCamera; m_eventCamera = eventData.enterEventCamera;
} }
public void OnPointerDown(PointerEventData eventData) public void OnPointerDown(PointerEventData eventData)
{ {
m_screenPos = eventData.position;
m_eventCamera = eventData.enterEventCamera; m_eventCamera = eventData.enterEventCamera;
isPointerDown = true; isPointerDown = true;
} }
public void OnPointerUp(PointerEventData eventData) public void OnPointerUp(PointerEventData eventData)
{ {
m_screenPos = Vector2.zero;
isPointerDown = false; isPointerDown = false;
isPointerReleased = true; isPointerReleased = true;
} }
public void OnDrag(PointerEventData eventData)
{
m_screenPos = eventData.position;
}
#endregion #endregion
} }
} }