Mathf.LerpAngle

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public static method LerpAngle(a: float, b: float, t: float): float;

public static float LerpAngle(float a, float b, float t);

Description

Same as Lerp but makes sure the values interpolate correctly when they wrap around 360 degrees.

The parameter t is clamped to the range [0, 1]. Variables a and b are assumed to be in degrees.

#pragma strict
public class Example extends MonoBehaviour {
	var minAngle: float = 0.0f;
	var maxAngle: float = 90.0f;
	function Update() {
		var angle: float = Mathf.LerpAngle(minAngle, maxAngle, Time.time);
		transform.eulerAngles = new Vector3(0, angle, 0);
	}
}

using UnityEngine;

public class Example : MonoBehaviour
{
    float minAngle = 0.0f;
    float maxAngle = 90.0f;

    void Update()
    {
        float angle = Mathf.LerpAngle(minAngle, maxAngle, Time.time);
        transform.eulerAngles = new Vector3(0, angle, 0);
    }
}

See Also: Lerp.