// Returns the point where the bolt is at a given fraction of the way through the bolt. Passing
// zero will return the start of the bolt, and passing 1 will return the end.
private CCPoint GetPoint(BoltStatus b, float position)
{
var start = b.Bolt.Start;
float length = CCPoint.Distance(start, b.Bolt.End);
CCPoint dir = (b.Bolt.End - start) / length;
position *= length;
for (int i = 0; i < b.Segments.Count; i += 2)
{
if (CCPoint.Dot(b.Segments[i] - start, dir) >= position)
{
float lineStartPos = CCPoint.Dot(b.Segments[i] - start, dir);
float lineEndPos = CCPoint.Dot(b.Segments[i + 1] - start, dir);
float linePos = (position - lineStartPos) / (lineEndPos - lineStartPos);
return(CCPoint.Lerp(b.Segments[i], b.Segments[i + 1], linePos));
}
}
return(CCPoint.Zero);
}
// Returns the point where the bolt is at a given fraction of the way through the bolt. Passing
// zero will return the start of the bolt, and passing 1 will return the end.
private CCPoint GetPoint(BoltStatus b, float position)
{
var start = b.Bolt.Start;
float length = CCPoint.Distance(start, b.Bolt.End);
CCPoint dir = (b.Bolt.End - start) / length;
position *= length;
for (int i = 0; i < b.Segments.Count; i += 2)
{
if (CCPoint.Dot(b.Segments[i] - start, dir) >= position)
{
float lineStartPos = CCPoint.Dot(b.Segments[i] - start, dir);
float lineEndPos = CCPoint.Dot(b.Segments[i + 1] - start, dir);
float linePos = (position - lineStartPos) / (lineEndPos - lineStartPos);
return CCPoint.Lerp(b.Segments[i], b.Segments[i + 1], linePos);
}
}
return (CCPoint.Zero);
}