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Camera.ScreenToWorldPoint

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

Parameters

Description

Transforms position from screen space into world 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
// Draw a yellow sphere in the scene view at the position
// on the near plane of the selected camera that is
// 100 pixels from lower-left.
function OnDrawGizmosSelected() {
	var camera = GetComponent.<Camera>();
	var p = camera.ScreenToWorldPoint(new Vector3(100, 100, camera.nearClipPlane));
	Gizmos.color = Color.yellow;
	Gizmos.DrawSphere(p, 0.1F);
}
	// Draw a yellow sphere in the scene view at the position
	// on the near plane of the selected camera that is
	// 100 pixels from lower-left.
	using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void OnDrawGizmosSelected() { Camera camera = GetComponent<Camera>(); Vector3 p = camera.ScreenToWorldPoint(new Vector3(100, 100, camera.nearClipPlane)); Gizmos.color = Color.yellow; Gizmos.DrawSphere(p, 0.1F); } }