Created
April 10, 2018 18:02
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| using UnityEngine; | |
| using System.Collections; | |
| public class DragObject2D : MonoBehaviour | |
| { | |
| public float dampingRatio = 0.5f; | |
| public float frequency = 5f; | |
| private TargetJoint2D targetJoint; | |
| void Update() | |
| { | |
| if (!Input.GetMouseButtonDown(0)) | |
| return; | |
| RaycastHit2D hit = Physics2D.Raycast( | |
| Camera.main.ScreenToWorldPoint(Input.mousePosition), | |
| Vector2.zero | |
| ); | |
| if (hit.collider == null || !hit.rigidbody || hit.rigidbody.isKinematic) | |
| return; | |
| if (!targetJoint) | |
| { | |
| targetJoint = gameObject.AddComponent<TargetJoint2D>(); | |
| targetJoint.dampingRatio = dampingRatio; | |
| targetJoint.frequency = frequency; | |
| } | |
| targetJoint.anchor = transform.InverseTransformPoint(hit.point); | |
| StartCoroutine(DragObject()); | |
| } | |
| IEnumerator DragObject() | |
| { | |
| while (Input.GetMouseButton(0)) | |
| { | |
| Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition); | |
| targetJoint.target = mousePos; | |
| yield return null; | |
| } | |
| // Release the input | |
| Destroy(targetJoint); | |
| } | |
| } |
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