Unity - Mouse (object event)

 

2021.03.18 - Unity - Mouse(Input class)

 

Mouse Down

void OnMouseDown() {
	Debug.Log(" OnMouseDown");
}

 

Mouse Up

void OnMouseUp() {
        Debug.Log(" OnMouseUp");
    }

 

Mouse Drag

void OnMouseDrag() {
	Debug.Log(" OnMouseDrag");
}

 

Ex: 3d object drag 1

void OnMouseDrag() {
	float spz = Camera.main.WorldToScreenPoint(transform.position).z;
	Vector3 v3 = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, spz));
		transform.position = v3;
}

 

 

Ex: 3d object drag 2

void OnMouseDrag() {
  RaycastHit hit;
  Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
  int layerMask = 1 << LayerMask.NameToLayer("Bg1");
  if (Physics.Raycast(ray, out hit, float.PositiveInfinity, layerMask)) {
  	float spz = Camera.main.WorldToScreenPoint(hit.point).z;
    Vector3 v3 = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, spz));
  	transform.position = v3;
  }
}