Projector.orthographicSize

Description

Projection's half-size when in orthographic mode.

This is half of the vertical size of the projection volume. Horizontal projection size varies depending on aspectRatio. Orthographic size is ignored when projection is not orthographic (see orthographic). See Also: projector component.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Start() {
        Projector proj = GetComponent<Projector>();
        proj.orthographic = true;
        proj.orthographicSize = 2.0F;
    }
}