How to draw a line between two points in Unity

Questions & Answers
1

How can i draw a line between two points in Unity?

2

Use a line renderer, GL.Lines, a mesh using MeshTopology.Lines (in Unity 4), or Vectrosity.

3

**Draw a line Between two points **

Points are the GameObjects (Sprites having dot image)

[55805-mask.png*_|55805]

using UnityEngine;
using System.Collections;

public class DrawLineAgain : MonoBehaviour {

	private int ClickCount = 0;
	private Vector2[] clicks = new Vector2[100];
	private GameObject[] lines= new GameObject[100];
	private LineRenderer[] newLine= new LineRenderer[100];
	private Object[] pointArr = new Object[101];
	private GameObject point;
	public bool ifMaskBtnClicked = false;
	public bool ifAutoMaskBtnClicked = false;
	private bool ifResetClicked = false;

	void Start()
	{

		for (int i=0; i<lines.Length; i++) {
			lines *= new GameObject();*

  •  }*

  •  for (int i=0; i<lines.Length; i++) {*

newLine = lines*.AddComponent ();*
_ newLine*.SetWidth (0.1f, 0.1f);
}
point = GameObject.Find (“/Point”);
}*_

* public void Update()*
* {*
* if(ifMaskBtnClicked){*
* if(ifResetClicked){*
* print (“reinitialise”);*
* ClickCount=0;*
* pointArr = new Object[101];*
* clicks = new Vector2[100];*
* lines= new GameObject[100];*
* newLine= new LineRenderer[100];*
* pointArr = new Object[101];*

* for (int i=0; i<lines.Length; i++) {*
_ lines = new GameObject();
* }
for (int i=0; i<lines.Length; i++) {_
newLine _= lines.AddComponent ();
newLine.SetWidth (0.1f, 0.1f);
}
point = GameObject.Find (“/Point”);*_

* }*
* if (Input.GetMouseButtonDown(0)){*
* while(ClickCount<lines.Length) {*

* print ("ClickCount : "+ClickCount);*

* if(ClickCount == 0){*
* clicks[ClickCount] = new Vector2(Input.mousePosition.x , Input.mousePosition.y );*
* clicks[ClickCount] = Camera.main.ScreenToWorldPoint(clicks[ClickCount]);*
* pointArr[ClickCount]= Instantiate(point,clicks[ClickCount],Quaternion.identity);*
* ClickCount++;*
* break; *
* }else{*
* clicks[ClickCount] = new Vector2(Input.mousePosition.x , Input.mousePosition.y );*
* clicks[ClickCount] = Camera.main.ScreenToWorldPoint(clicks[ClickCount]);*
* newLine[ClickCount].SetPosition(0, clicks[ClickCount-1]);*
* newLine[ClickCount].SetPosition(1, clicks[ClickCount]);*
* pointArr[ClickCount] = Instantiate(point,clicks[ClickCount],Quaternion.identity);*
* ClickCount++;*
* break;*
* }*

* }*
* }*

* if(Input.GetKeyDown(KeyCode.A)){*
* setAutoMaskBtnClicked(true);*

* }*
* }*

* if(ifAutoMaskBtnClicked){*
* print ("ifAutoMaskBtnClicked : ClickCount "+ (ClickCount-1));*
* clicks[ClickCount] = clicks[ClickCount -1];*
* //clicks[ClickCount] = Camera.main.ScreenToWorldPoint(clicks[ClickCount]);*
* newLine[ClickCount].SetPosition(0, clicks[ClickCount]);*
* newLine[ClickCount].SetPosition(1, clicks[0]);*
* //Instantiate(point,clicks[ClickCount],Quaternion.identity);*
* ifAutoMaskBtnClicked = false;*
* ifMaskBtnClicked = false;*
* }*

* }*

* public void Reset(){*
* ifResetClicked = true;*
* ifAutoMaskBtnClicked = false;*
* ifMaskBtnClicked = false;*

* for (int i=0; i<lines.Length; i++) {*
_ DestroyObject (pointArr*);
//DestroyImmediate(newLine);
newLine .SetVertexCount (0);
}
}*_

* public void setMaskBtnClicked(bool value){*
* ifMaskBtnClicked = true;*
* }*
* public void setAutoMaskBtnClicked(bool value){*
* ifAutoMaskBtnClicked = true;*
* }*

}

/*
* if (firstTouch)*
* {*
* firstClick = new Vector2(Input.mousePosition.x , Input.mousePosition.y );*
* firstClick = Camera.main.ScreenToWorldPoint(firstClick);*
* firstTouch = false;*
* }*
* else*
* {*
* Vector2 secondClick = new Vector2(Input.mousePosition.x , Input.mousePosition.y );*
* secondClick = Camera.main.ScreenToWorldPoint(secondClick);*
* newLine.SetPosition(0, firstClick);*
* newLine.SetPosition(1, secondClick);*
* firstTouch = true;*
_ }/