public static CameraCurveResult Combine(CameraCurveResult r1, CameraCurveResult r2, float w1, float w2)
{
float totalWeight = w1 + w2;
w2 = w2 / totalWeight;
Vector3 pos = Vector3.Lerp(r1.position, r2.position, w2);
Quaternion rot = Quaternion.Lerp(r1.rotation, r2.rotation, w2);
float fov = Mathf.Lerp(r1.fov, r2.fov, w2);
return(new CameraCurveResult()
{
position = pos,
rotation = rot,
fov = fov
});
}
public CameraCurveResult Evaluate(float t)
{
float freeCamAmount = freeCamCurve.Evaluate(t);
float orbitCamAmount = orbitCamCurve.Evaluate(t);
float tripodCamAmount = tripodCamCurve.Evaluate(t);
List <Tuple <float, CameraCurveResult> > results = new List <Tuple <float, CameraCurveResult> >();
if (freeCamAmount > 0)
{
results.Add(new Tuple <float, CameraCurveResult>(freeCamAmount, FreeCameraKeyFrame.Evaluate(t, this)));
}
if (orbitCamAmount > 0)
{
results.Add(new Tuple <float, CameraCurveResult>(orbitCamAmount, OrbitCameraKeyFrame.Evaluate(t, this)));
}
if (tripodCamAmount > 0)
{
results.Add(new Tuple <float, CameraCurveResult>(tripodCamAmount, TripodCameraKeyFrame.Evaluate(t, this)));
}
switch (results.Count)
{
case 1:
return(results[0].Item2);
case 2:
return(CameraCurveResult.Combine(
results[0].Item2, results[1].Item2,
results[0].Item1, results[1].Item1
));
case 3:
results.Remove(results.OrderBy(v => v.Item1).First()); //Combine the two curves with the highest amount
goto case 2;
default:
return(new CameraCurveResult());
}
}