/// <summary>
/// Populate a list of spline points from source points
/// </summary>
/// <param name="splinePoints">List to fill with spline points</param>
/// <param name="sourcePoints">Source points</param>
/// <param name="generations">Generations</param>
/// <param name="distancePerSegmentHit">Distance per segment hint - if non-zero, attempts to maintain this distance between spline points.</param>
/// <param name="camera">Optional camera</param>
public static void PopulateSpline(List <Vector3> splinePoints, List <Vector3> sourcePoints, int generations, float distancePerSegmentHit, Camera camera)
{
splinePoints.Clear();
PathGenerator.Is2D = (camera != null && camera.orthographic);
if (distancePerSegmentHit > 0.0f)
{
PathGenerator.CreateSplineWithSegmentDistance(splinePoints, sourcePoints, distancePerSegmentHit / generations, false);
}
else
{
PathGenerator.CreateSpline(splinePoints, sourcePoints, sourcePoints.Count * generations * generations, false);
}
}
public void GenerateLightningBoltPath(LightningBolt bolt, Vector3 start, Vector3 end, LightningBoltParameters p)
{
if (p.Points.Count < 2)
{
Debug.LogError("Lightning path should have at least two points");
return;
}
int generation = p.Generations;
int totalGenerations = generation;
float offsetAmount, d;
int smoothingFactor = p.SmoothingFactor - 1;
Vector3 distance, randomVector;
LightningBoltSegmentGroup group = bolt.AddGroup();
group.LineWidth = p.TrunkWidth;
group.Generation = generation--;
group.EndWidthMultiplier = p.EndWidthMultiplier;
group.Color = Color.white;
p.Start = p.Points[0] + start;
p.End = p.Points[p.Points.Count - 1] + end;
end = p.Start;
for (int i = 1; i < p.Points.Count; i++)
{
start = end;
end = p.Points[i];
distance = (end - start);
d = PathGenerator.SquareRoot(distance.sqrMagnitude);
if (p.ChaosFactor > 0.0f)
{
if (bolt.CameraMode == CameraMode.Perspective)
{
end += (d * p.ChaosFactor * RandomDirection3D(p.Random));
}
else if (bolt.CameraMode == CameraMode.OrthographicXY)
{
end += (d * p.ChaosFactor * RandomDirection2D(p.Random));
}
else
{
end += (d * p.ChaosFactor * RandomDirection2DXZ(p.Random));
}
distance = (end - start);
}
group.Segments.Add(new LightningBoltSegment {
Start = start, End = end
});
offsetAmount = d * p.ChaosFactor;
RandomVector(bolt, ref start, ref end, offsetAmount, p.Random, out randomVector);
if (ShouldCreateFork(p, generation, totalGenerations))
{
Vector3 branchVector = distance * p.ForkMultiplier() * smoothingFactor * 0.5f;
Vector3 forkEnd = end + branchVector + randomVector;
GenerateLightningBoltStandard(bolt, start, forkEnd, generation, totalGenerations, 0.0f, p);
}
if (--smoothingFactor == 0)
{
smoothingFactor = p.SmoothingFactor - 1;
}
}
}