Where on the screen is the camera rendered in normalized coordinates.
The values in rect range from zero (left/bottom) to one (right/top).
// Change the width of the viewport each time space key is pressed
function Update () {
if (Input.GetButtonDown ("Jump")) {
// choose the margin randomly
var margin = Random.Range (0.0, 0.3);
// setup the rectangle
camera.rect = Rect (margin, 0, 1 - margin * 2, 1);
}
}