//analyzes the frame. Returns true if it matched, false if it didn't
public static bool FrameAnalyze(IGestureMatch matcher)
{
//first, calculate the initial score with the current frame
int initialScore = 100;
int frameDifference = matcher.CurrentFrameRepeat - (int)(matcher.ToMatch[matcher.ToMatchFrameIndex].Frames * 1.2);
if (frameDifference > 0)
{
//-2 points for every frame over the tolerance limit
initialScore -= 2 * frameDifference;
}
int currentFrameScore = matcher.Analyzer.Evaluator(matcher.ToMatch[matcher.ToMatchFrameIndex], matcher.ToMatchOptions, initialScore);
//next, calculate the initial score with the next frame
int nextFrameInitialScore = 100;
int framesToNext = matcher.ToMatch[matcher.ToMatchFrameIndex + 1].Frames;
if (framesToNext < 0)
{
nextFrameInitialScore -= -1 * 2 * framesToNext;
}
int nextFrameScore = matcher.Analyzer.Evaluator(matcher.ToMatch[matcher.ToMatchFrameIndex + 1], matcher.ToMatchOptions, nextFrameInitialScore);
if (nextFrameScore > currentFrameScore && nextFrameScore > 85)
{
//this is the criteria to move onto the next frame
matcher.ToMatchFrameIndex++;
matcher.CurrentFrameRepeat = 0;
}
else if (currentFrameScore >= 70)
{
matcher.CurrentFrameRepeat++;
}
else
{
//matching failed
return(false);
}
return(true);
}
public static LastFrameResult LastFrameAnalyze(IGestureMatch matcher)
{
//we just want to calculate the score
var score = matcher.Analyzer.Evaluator(matcher.ToMatch[matcher.ToMatchFrameIndex], matcher.ToMatchOptions, 100);
if (score > 70)
{
matcher.CurrentFrameRepeat++;
if (matcher.CurrentFrameRepeat >= matcher.ToMatch[matcher.ToMatchFrameIndex].Frames)
{
//we have a match!
return(LastFrameResult.Matched);
}
else
{
return(LastFrameResult.Progressing);
}
}
else
{
return(LastFrameResult.Failed);
}
}