如果你在OnMouseUp或者Input.GetMouseButtonUp(0)等里面使用会不正确。 /// /// Is the pointer with the given ID over an EventSystem object?/// /// <remarks>/// If you use IsPointerOverGameObject() without aparameter, it points to the "left mouse button" (pointerId = -1); therefore when...
}}privateboolIsPointerOverGameObject(Vector2screenPosition){Rayray=Camera.main.ScreenPointToRay(screenPosition);RaycastHit2Dhit=Physics2D.Raycast(ray.origin,ray.direction);if(hit.collider!=null){returnhit.transform==transform;}returnfalse;}privatevoidStartDrag(Vector2screenPosition){isDragging=true;downPosi...
public class Example :MonoBehaviour,IPointerEnterHandler,IPointerExitHandler{ //Detect if theCursorstarts to pass over theGameObjectpublic void OnPointerEnter(PointerEventDatapointerEventData) { //Output to console theGameObject's name and the following messageDebug.Log("CursorEntering " + name + "Gam...
Frequently in Unity you'll see OnMouseDown used to detect clicks on GameObjects. This works fine but it requires a script on the GameObject itself, and may require synchronization within the game when there are many clickable objects.
using UnityEngine; public class Clicker : MonoBehaviour { void OnMouseDown() { // Code here is called when the GameObject is clicked on. } } This is probably the easiest way to detect mouse clicks. If you are just starting out using Unity and only have a simple use case then this is...
void OnCollisionEnter2D(Collision2D collision) { // If you want to check who you collided with, // you should typically use tags, not names. if (collision.gameObject.tag == "Platform") { // Play footsteps or a landing sound. } } Triggers Sometimes you want to detect a collision bu...
All of the objects shown in Figure 5 (and many more) derive from a GameObject. Figure 5 GameObjects in Unity A GameObject is pretty simple as it pertains to the Inspector window. You can see in Figure 6 that an empty GameObject was added to the scene; note its properties ...
void OnCollisionEnter2D(Collision2D collision) { // If you want to check who you collided with, // you should typically use tags, not names. if (collision.gameObject.tag == "Platform") { // Play footsteps or a landing sound. } } Triggers Sometimes you wan...
private GameObject _player; void Start() { _player = GameObject.FindGameObjectWithTag("Player"); } // Method 1 void Update () { // Every frame rotate around the X axis by 1 degree a // second (Vector3.right = (1,0,0)). transform.Rotate(Vector3.right * Time.deltaTime); } //...
You can also detect particle collisions from a script if Send Collision Messages is enabled. The script can be attached to the ... Controls reference ObjectField A UnityEngine.Object value input field Yes Unity... Creating a NavMesh Agent Create a cylinder: GameObject > 3D Object > Cylinder....