Describes the tangent when leaving this point towards the next point in the curve.
The angle needs to be expressed in radians.
The tangent is really just the gradient of the slope, as in "change in y / change in x"
See Also: inTangent.
using UnityEngine;
public class KeyFrameTangentExample : MonoBehaviour { AnimationCurve animCurve = null;
void Start( ) { Keyframe[] ks = new Keyframe[3];
ks[0] = new Keyframe( 0, 0 ); ks[0].outTangent = 1.5708f; // 90 degrees up
ks[1] = new Keyframe( 4, 0 ); ks[1].outTangent = 0; // straight
ks[2] = new Keyframe( 6, 0 ); ks[2].outTangent = -1.5708f; // 90 degrees down
animCurve = new AnimationCurve( ks ); }
void Update( ) { if( animCurve != null ) transform.position = new Vector3( Time.time, animCurve.Evaluate( Time.time ), 0 ); } }