114 lines
2.8 KiB
C#
114 lines
2.8 KiB
C#
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using UnityEngine;
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using UnityEngine.EventSystems;
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namespace SimpleInputNamespace
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{
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public class AxisInputUIArrows : MonoBehaviour, ISimpleInputDraggable
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{
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public SimpleInput.AxisInput xAxis = new SimpleInput.AxisInput( "Horizontal" );
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public SimpleInput.AxisInput yAxis = new SimpleInput.AxisInput( "Vertical" );
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public float valueMultiplier = 1f;
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#pragma warning disable 0649
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[Tooltip( "Radius of the deadzone at the center of the arrows that will yield no input" )]
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[SerializeField]
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private float deadzoneRadius;
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private float deadzoneRadiusSqr;
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#pragma warning restore 0649
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private RectTransform rectTransform;
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private Vector2 m_value = Vector2.zero;
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public Vector2 Value { get { return m_value; } }
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private void Awake()
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{
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rectTransform = (RectTransform) transform;
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gameObject.AddComponent<SimpleInputDragListener>().Listener = this;
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deadzoneRadiusSqr = deadzoneRadius * deadzoneRadius;
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}
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private void OnEnable()
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{
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xAxis.StartTracking();
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yAxis.StartTracking();
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}
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private void OnDisable()
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{
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xAxis.StopTracking();
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yAxis.StopTracking();
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}
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#if UNITY_EDITOR
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private void OnValidate()
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{
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deadzoneRadiusSqr = deadzoneRadius * deadzoneRadius;
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}
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#endif
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public void OnPointerDown( PointerEventData eventData )
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{
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CalculateInput( eventData );
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}
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public void OnDrag( PointerEventData eventData )
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{
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CalculateInput( eventData );
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}
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public void OnPointerUp( PointerEventData eventData )
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{
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m_value = Vector2.zero;
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xAxis.value = 0f;
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yAxis.value = 0f;
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}
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private void CalculateInput( PointerEventData eventData )
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{
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Vector2 pointerPos;
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RectTransformUtility.ScreenPointToLocalPointInRectangle( rectTransform, eventData.position, eventData.pressEventCamera, out pointerPos );
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if( !yAxis.IsKeyValid() )
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{
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if( pointerPos.x * pointerPos.x <= deadzoneRadiusSqr )
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m_value.Set( 0f, 0f );
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else
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m_value.Set( pointerPos.x >= 0f ? valueMultiplier : -valueMultiplier, 0f );
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}
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else if( !xAxis.IsKeyValid() )
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{
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if( pointerPos.y * pointerPos.y <= deadzoneRadiusSqr )
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m_value.Set( 0f, 0f );
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else
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m_value.Set( 0f, pointerPos.y >= 0f ? valueMultiplier : -valueMultiplier );
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}
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else
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{
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if( pointerPos.sqrMagnitude <= deadzoneRadiusSqr )
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m_value.Set( 0f, 0f );
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else
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{
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float angle = Vector2.Angle( pointerPos, Vector2.right );
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if( pointerPos.y < 0f )
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angle = 360f - angle;
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if( angle >= 45f && angle <= 135f )
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m_value.Set( 0f, valueMultiplier );
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else if( angle >= 135f && angle <= 225f )
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m_value.Set( -valueMultiplier, 0f );
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else if( angle >= 225f && angle <= 315f )
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m_value.Set( 0f, -valueMultiplier );
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else
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m_value.Set( valueMultiplier, 0f );
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}
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}
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xAxis.value = m_value.x;
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yAxis.value = m_value.y;
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}
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}
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}
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