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Question by Johnny_077 · Jun 15, 2019 at 09:56 PM · movementmousedrag

Drag Objects with mouse?

Hi,

I want to drag Objects with my mouse and I made this allready:

 using UnityEngine;
 
 public class DragAndDropRaycast : MonoBehaviour {
 
     Collider SelectedCollider;
 
     void Update () {
 
         if (Input.GetMouseButton(0))
         {
             Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
             RaycastHit Hit;
 
             if (Physics.Raycast(ray, out Hit, Mathf.Infinity))
             {
                 if (Hit.collider.tag == "selectable")
                 {                
                     SelectedCollider = Hit.collider;
                 }
             }
         }
 
         if (Input.GetMouseButton(0))
         {
             SelectedCollider.transform.position = ??? //What comes here?
         }
     }
 }

I don't know what to add there... I tried so much now. Please keep it simple.

Thanks,

Jonas

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avatar image Lo0NuhtiK · Jun 16, 2019 at 12:51 AM 0
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Drag Stuff With $$anonymous$$ouse

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Answer by Johnny_077 · Jun 16, 2019 at 02:17 PM

I found a solution :D

After geting the collider with

 SelectedCollider = Hit.collider; 

I move the collider with:

 SelectedCollider.transform.position = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 9f)); //IMPORTANT: the 9 is the Y axis in the world

I hope I can help someone else :D

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Answer by talyh · Jun 16, 2019 at 01:02 AM

Really old, but really useful tutorial. https://youtu.be/c47QYgsJrWc

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avatar image Johnny_077 · Jun 16, 2019 at 01:01 PM 0
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Yeah it looks useful, but it's for UI and I need it for 3D objects in my game world :/

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