public static void DrawCurveSegments(CurveSegment curve,
Color color, int segments = 50)
{
// DONE exercise 2.2
// evaluate the curve from start to end (range [0, 1])
// and you draw a number of line segments between
// consecutive points
for (float i = 0; i < segments; i++)
{
Debug.DrawLine(curve.Evaluate(i / segments), curve.Evaluate((i + 1) / segments), color);
}
}
public static void DrawTangents(CurveSegment curve,
Color color, int segments = 50, float scale = 0.1f)
{
// DONE exercise 2.2
// evaluate the curve and tangent from start to end (range [0, 1])
// and draw the tangent as a line from the current curve point
// to the current point + the tangent vector
for (float i = 0; i < segments; i++)
{
Vector4 p = curve.Evaluate(i / segments);
Debug.DrawLine(p, p + curve.EvaluateDv(i / segments) * scale, color);
}
}
void Update()
{
if (!curve.Init())
{
return;
}
t += Time.deltaTime / duration;
t %= 1;
float easedT = EasingFunctions.Linear(t); // you can use any easing function here
float arcLength;
CurveSegment curveSegment = curve.CurveSegmentAtArcLength(easedT * curve.ArcLength(curve.CurveCount()), out arcLength);
float curveT = curveSegment.ComputeTAtArcLength(arcLength);
transform.position = curveSegment.Evaluate(curveT);
transform.forward = curveSegment.EvaluateDv(curveT);
}