topical media & game development
lib-unity-example-procedural-Assets-Sources-~ControlScripts-KeyboardOrbit.js / js
var target : Transform;
var distanceMin = 10.0;
var distanceMax = 15.0;
var distanceInitial = 12.5;
var scrollSpeed = 1.0;
var xSpeed = 250.0;
var ySpeed = 120.0;
var yMinLimit = -20;
var yMaxLimit = 80;
private var x = 0.0;
private var y = 0.0;
private var distanceCurrent = 0.0;
@script AddComponentMenu ("Camera-Control/Key Mouse Orbit")
function Start () {
var angles = transform.eulerAngles;
x = angles.y;
y = angles.x;
distanceCurrent = distanceInitial;
// Make the rigid body not change rotation
if (rigidbody)
rigidbody.freezeRotation = true;
}
function LateUpdate () {
if (target) {
x += Input.GetAxis("Horizontal") * xSpeed * 0.02;
y -= Input.GetAxis("Vertical") * ySpeed * 0.02;
distanceCurrent -= Input.GetAxis("Mouse ScrollWheel") * scrollSpeed;
distanceCurrent = Mathf.Clamp(distanceCurrent, distanceMin, distanceMax);
y = ClampAngle(y, yMinLimit, yMaxLimit);
var rotation = Quaternion.Euler(y, x, 0);
var position = rotation * Vector3(0.0, 0.0, -distanceCurrent) + target.position;
transform.rotation = rotation;
transform.position = position;
}
}
static function ClampAngle (angle : float, min : float, max : float) {
if (angle < -360)
angle += 360;
if (angle > 360)
angle -= 360;
return Mathf.Clamp (angle, min, max);
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.