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Camera.WorldToScreenPoint

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public function WorldToScreenPoint(position: Vector3): Vector3;
public Vector3 WorldToScreenPoint(Vector3 position);

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 cam: Camera;
function Start() {
	cam = GetComponent.<Camera>();
}
function Update() {
	var screenPos: Vector3 = cam.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 cam;

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

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