Camera.ViewportToScreenPoint

Description

Преобразует position (позицию) из пространства окна просмотра в пространство экрана.

Viewport space is normalized and relative to the camera. The bottom-left of the camera is (0,0); the top-right is (1,1). The z position is in world units from the camera.

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.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Texture2D bottomPanel;
    void VPToScreenPtExample() {
        Vector3 origin = Camera.main.ViewportToScreenPoint(new Vector3(0.25F, 0.1F, 0));
        Vector3 extent = Camera.main.ViewportToScreenPoint(new Vector3(0.5F, 0.2F, 0));
        GUI.DrawTexture(new Rect(origin.x, origin.y, extent.x, extent.y), bottomPanel);
    }
}