/*

This camera smoothes out rotation around the y-axis and height.

Horizontal Distance to the target is always fixed.

There are many different ways to smooth the rotation but doing it this way gives you a lot of control over how the camera behaves.

For every of those smoothed values we calculate the wanted value and the current value.

Then we smooth it using the Lerp function.

Then we apply the smoothed values to the transform's position.

*/

// The target we are following

var target : Transform;

// The distance in the x-z plane to the target

var distance = 10.0;

// the height we want the camera to be above the target

var height = 5.0;

// How much we

var heightDamping = 2.0;

var rotationDamping = 3.0;

// Place the script in the Camera-Control group in the component menu

@script AddComponentMenu("Camera-Control/Smooth Follow")

function LateUpdate () {

// Early out if we don't have a target

if (!target)

return;

// Calculate the current rotation angles

wantedRotationAngle = target.eulerAngles.y;

wantedHeight = target.position.y + height;

currentRotationAngle = transform.eulerAngles.y;

currentHeight = transform.position.y;

// Damp the rotation around the y-axis

currentRotationAngle = Mathf.LerpAngle (currentRotationAngle, wantedRotationAngle, rotationDamping * Time.deltaTime);

// Damp the height

currentHeight = Mathf.Lerp (currentHeight, wantedHeight, heightDamping * Time.deltaTime);

// Convert the angle into a rotation

currentRotation = Quaternion.Euler (0, currentRotationAngle, 0);

// Set the position of the camera on the x-z plane to:

// distance meters behind the target

transform.position = target.position;

transform.position -= currentRotation * Vector3.forward * distance;

// Set the height of the camera

transform.position.y = currentHeight;

// Always look at the target

transform.LookAt (target);

}

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