Camera.WorldToScreenPoint

Description

Transforms position from world space into screen space.

Screenspace is defined in pixels. The bottom-left of the screen is (0,0); the right-top is (pixelWidth,pixelHeight). The z position is in world units from the camera.

#pragma strict
public var target: Transform;
var camera: Camera;
function Start() {
	camera = GetComponent.<Camera>();
}
function Update() {
	var screenPos: Vector3 = camera.WorldToScreenPoint(target.position);
	Debug.Log("target is " + screenPos.x + " pixels from the left");
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    public Transform target;
    Camera camera;

    void Start()
    {
        camera = GetComponent<Camera>();
    }

    void Update()
    {
        Vector3 screenPos = camera.WorldToScreenPoint(target.position);
        Debug.Log("target is " + screenPos.x + " pixels from the left");
    }
}