Version: 2021.3
public static Vector3 Slider2D (int id, Vector3 handlePos, Vector3 offset, Vector3 handleDir, Vector3 slideDir1, Vector3 slideDir2, float handleSize, Handles.CapFunction capFunction, Vector2 snap, bool drawHelper= false);
public static Vector3 Slider2D (Vector3 handlePos, Vector3 handleDir, Vector3 slideDir1, Vector3 slideDir2, float handleSize, Handles.CapFunction capFunction, float snap, bool drawHelper= false);
public static Vector3 Slider2D (int id, Vector3 handlePos, Vector3 handleDir, Vector3 slideDir1, Vector3 slideDir2, float handleSize, Handles.CapFunction capFunction, Vector2 snap, bool drawHelper= false);
public static Vector3 Slider2D (Vector3 handlePos, Vector3 handleDir, Vector3 slideDir1, Vector3 slideDir2, float handleSize, Handles.CapFunction capFunction, Vector2 snap, bool drawHelper= false);

パラメーター

id (オプション) この Slider2D インスタンスのデフォルトである ControlID をオーバーライドします。
handlePos The position of the current point in the space of Handles.matrix.
offset (オプション) handlePos で Slider2D をレンダリングしますが、handlePos + オフセットとして Slider2D のオリジナルを扱います。別のオブジェクトやハンドルを基準にして配置/レンダリングする Slider2D インスタンスに便利です。
handleDir The direction of the handle in the space of Handles.matrix, only used for rendering of the handle.
slideDir1 The first axis of the slider's plane of movement in the space of Handles.matrix.
slideDir2 The second axis of the slider's plane of movement in the space of Handles.matrix.
handleSize The size of the handle in the space of Handles.matrix. Use HandleUtility.GetHandleSize if you want a constant screen-space size.
snap (float or Vector2) The snap increment along both axes, either uniform or per-axis. See Handles.SnapValue.
drawHelper (デフォルト: False) ドラッグするとハンドルのまわりに矩形を描画します。
capFunction The function to call for doing the actual drawing.

戻り値

Vector3 The new value modified by the user's interaction with the handle. If the user has not moved the handle, it will return the position value passed into the function.

説明

Make a 3D slider that moves along a plane defined by two axes.

This method will draw a 3D-draggable handle on the screen. The handle is constrained to sliding along a plane in 3D space.


2D slider handle in the Scene View.

Add the following script to your Assets folder as Slider2DExample.cs and add the Slider2DExample component to an object in a Scene.

using UnityEngine;

[ExecuteInEditMode] public class Slider2DExample : MonoBehaviour { public Vector3 targetPosition { get { return m_TargetPosition; } set { m_TargetPosition = value; } } [SerializeField] private Vector3 m_TargetPosition = new Vector3(1f, 0f, 2f);

public virtual void Update() { transform.LookAt(m_TargetPosition); } }

Add the following script to Assets/Editor as Slider2DExampleEditor.cs and select the object with the Slider2DExample component.

using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(Slider2DExample)), CanEditMultipleObjects] public class Slider2DExampleEditor : Editor { protected virtual void OnSceneGUI() { Slider2DExample example = (Slider2DExample)target;

float size = HandleUtility.GetHandleSize(example.targetPosition) * 0.5f; float snap = 0.1f; Vector3 handleDirection = Vector3.up;

EditorGUI.BeginChangeCheck(); Vector3 newTargetPosition = Handles.Slider2D(example.targetPosition, handleDirection, Vector3.right, Vector3.forward, size, Handles.CircleHandleCap, snap); if (EditorGUI.EndChangeCheck()) { Undo.RecordObject(example, "Change Look At Target Position"); example.targetPosition = newTargetPosition; example.Update(); } } }