koobas.hobune.stream
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Help to fix my drag code [SOLVED]
Hello all, i'm new to unity3d (fantastic engine and tools!!). I write this code for drag cube in a scene:
using UnityEngine;
using System.Collections;
public class Test : MonoBehaviour
{
Plane plane;
GameObject cube1;
Vector3 mousePos;
Touch finger;
Ray ray;
//RaycastHit hit;
private Vector3 offset;
// Public function
// Use this for initialization
void Start()
{
plane = new Plane(Vector3.up, Vector3.zero);
cube1 = GameObject.Find("Cube1");
}
// Update is called once per frame
void Update()
{
if (Input.GetButton("Fire1"))
{
cube1.gameObject.transform.position = toMousePos();
}
/*if (Input.touches.Length == 1)
{
toMousePos();
if (finger.phase == TouchPhase.Moved)
{
//cube1.gameObject.transform.Translate(Time.deltaTime * 100.0f * new Vector3(finger.deltaPosition.x, 0, finger.deltaPosition.y));
cube1.gameObject.transform.position = Time.deltaTime * 100.0f * new Vector3(finger.deltaPosition.x, 0, finger.deltaPosition.y);
}
}*/
}
// Public function
// Private function
private Vector3 toMousePos()
{
mousePos = Input.mousePosition;
/*if (Input.touches.Length == 1)
{
finger = Input.touches[0];
}*/
ray = Camera.main.ScreenPointToRay(mousePos);
//ray = Camera.main.ScreenPointToRay(finger.position);
float distance;
if (plane.Raycast(ray, out distance))
{
Debug.Log(distance);
return ray.GetPoint(distance);
}
return Vector3.zero;
}
// Private function
}
It works well, but has problem with the object "y", when i press a mouse button the drag start at object center and not bottom.... How to fix this? (The value of y should not change!).
Look the comment (i try to use touch). When i test this on my touch, the cube move at plane center and when i re-try to move, return always on plane center (mentions movements).
And... my code is right in this way (i'm on the right road) or exist "professional alternative" for drag?.
Thanks!!!
If you want the object to not jump to the center, then you have to record the "offset" in a vector3 based on where the user clicks. The object should move to a position relative to where you click, not exactly to that point. That's your trouble, I think. I don't know nothin' about touches, and I don't understand your second question.
Also, clean up your code, please! That's probably your biggest problem -- that your code has all that commented-out code.
Thanks for the reply. I edit my code and i use this for position:
Ray ray;
Raycast raycastHit;
private void toScreenPointToRay()
{
ray = Camera.main.ScreenPointToRay(Input.mousePosition);
Physics.Raycast(ray, out raycastHit);
}
cube1.transform.position = raycastHit.point;
Work very well!! Thanks.
