joystick pack assets 추가
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150
Gameton-06/Assets/Joystick Pack/Scripts/Base/Joystick.cs
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150
Gameton-06/Assets/Joystick Pack/Scripts/Base/Joystick.cs
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using System.Collections;
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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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public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerUpHandler
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{
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public float Horizontal { get { return (snapX) ? SnapFloat(input.x, AxisOptions.Horizontal) : input.x; } }
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public float Vertical { get { return (snapY) ? SnapFloat(input.y, AxisOptions.Vertical) : input.y; } }
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public Vector2 Direction { get { return new Vector2(Horizontal, Vertical); } }
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public float HandleRange
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{
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get { return handleRange; }
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set { handleRange = Mathf.Abs(value); }
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}
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public float DeadZone
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{
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get { return deadZone; }
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set { deadZone = Mathf.Abs(value); }
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}
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public AxisOptions AxisOptions { get { return AxisOptions; } set { axisOptions = value; } }
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public bool SnapX { get { return snapX; } set { snapX = value; } }
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public bool SnapY { get { return snapY; } set { snapY = value; } }
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[SerializeField] private float handleRange = 1;
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[SerializeField] private float deadZone = 0;
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[SerializeField] private AxisOptions axisOptions = AxisOptions.Both;
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[SerializeField] private bool snapX = false;
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[SerializeField] private bool snapY = false;
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[SerializeField] protected RectTransform background = null;
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[SerializeField] private RectTransform handle = null;
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private RectTransform baseRect = null;
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private Canvas canvas;
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private Camera cam;
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private Vector2 input = Vector2.zero;
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protected virtual void Start()
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{
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HandleRange = handleRange;
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DeadZone = deadZone;
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baseRect = GetComponent<RectTransform>();
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canvas = GetComponentInParent<Canvas>();
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if (canvas == null)
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Debug.LogError("The Joystick is not placed inside a canvas");
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Vector2 center = new Vector2(0.5f, 0.5f);
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background.pivot = center;
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handle.anchorMin = center;
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handle.anchorMax = center;
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handle.pivot = center;
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handle.anchoredPosition = Vector2.zero;
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}
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public virtual void OnPointerDown(PointerEventData eventData)
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{
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OnDrag(eventData);
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}
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public void OnDrag(PointerEventData eventData)
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{
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cam = null;
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if (canvas.renderMode == RenderMode.ScreenSpaceCamera)
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cam = canvas.worldCamera;
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Vector2 position = RectTransformUtility.WorldToScreenPoint(cam, background.position);
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Vector2 radius = background.sizeDelta / 2;
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input = (eventData.position - position) / (radius * canvas.scaleFactor);
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FormatInput();
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HandleInput(input.magnitude, input.normalized, radius, cam);
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handle.anchoredPosition = input * radius * handleRange;
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}
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protected virtual void HandleInput(float magnitude, Vector2 normalised, Vector2 radius, Camera cam)
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{
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if (magnitude > deadZone)
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{
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if (magnitude > 1)
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input = normalised;
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}
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else
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input = Vector2.zero;
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}
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private void FormatInput()
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{
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if (axisOptions == AxisOptions.Horizontal)
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input = new Vector2(input.x, 0f);
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else if (axisOptions == AxisOptions.Vertical)
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input = new Vector2(0f, input.y);
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}
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private float SnapFloat(float value, AxisOptions snapAxis)
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{
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if (value == 0)
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return value;
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if (axisOptions == AxisOptions.Both)
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{
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float angle = Vector2.Angle(input, Vector2.up);
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if (snapAxis == AxisOptions.Horizontal)
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{
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if (angle < 22.5f || angle > 157.5f)
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return 0;
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else
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return (value > 0) ? 1 : -1;
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}
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else if (snapAxis == AxisOptions.Vertical)
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{
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if (angle > 67.5f && angle < 112.5f)
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return 0;
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else
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return (value > 0) ? 1 : -1;
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}
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return value;
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}
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else
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{
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if (value > 0)
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return 1;
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if (value < 0)
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return -1;
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}
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return 0;
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}
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public virtual void OnPointerUp(PointerEventData eventData)
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{
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input = Vector2.zero;
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handle.anchoredPosition = Vector2.zero;
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}
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protected Vector2 ScreenPointToAnchoredPosition(Vector2 screenPosition)
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{
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Vector2 localPoint = Vector2.zero;
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if (RectTransformUtility.ScreenPointToLocalPointInRectangle(baseRect, screenPosition, cam, out localPoint))
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{
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Vector2 pivotOffset = baseRect.pivot * baseRect.sizeDelta;
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return localPoint - (background.anchorMax * baseRect.sizeDelta) + pivotOffset;
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}
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return Vector2.zero;
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}
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}
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public enum AxisOptions { Both, Horizontal, Vertical }
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