Version: 2020.2
言語: 日本語
public static float DistanceToCube (Vector3 position, Quaternion rotation, float size);

パラメーター

position キューブの位置
rotation Rotation of the cube.
size Size of the cube.

戻り値

float Distance from mouse to cube in pixels.

説明

Returns the distance in pixels from the mouse pointer to a cube.

Calculates the screen space distance from the mouse pointer to a cube at given world space position with the given rotation and size.

Returns zero when mouse pointer is directly over the cube.

現在のカメラが距離を決定するのに使います。

using UnityEngine;
using UnityEditor;

public class ExampleScript : MonoBehaviour { }

// Displays cube in scene view, and distance from mouse // to the cube. [CustomEditor(typeof(ExampleScript))] public class ExampleEditor : Editor { public void OnSceneGUI() { var t = target as ExampleScript; var tr = t.transform; var position = tr.position; var rotation = tr.rotation; var size = 1.0f; // draw a cube in scene Handles.color = Color.yellow; Handles.CubeHandleCap(0, position, rotation, size, Event.current.type); // calculate distance from mouse to cube, and display it var distance = HandleUtility.DistanceToCube(position, rotation, size); GUI.color = Color.black; Handles.Label(position, distance.ToString("F0")); // make scene view repaint on mouse move if (Event.current.type == EventType.MouseMove) Event.current.Use(); } }