package com.github.adnansm.timelytextview.animation;
import com.nineoldandroids.animation.TypeEvaluator;
public class TimelyEvaluator implements TypeEvaluator<float[][]> {
private float[][] _cachedPoints = null;
@Override
public float[][] evaluate(float fraction, float[][] startValue, float[][] endValue) {
int pointsCount = startValue.length;
initCache(pointsCount);
for(int i = 0; i < pointsCount; i++) {
_cachedPoints[i][0] = startValue[i][0] + fraction * (endValue[i][0] - startValue[i][0]);
_cachedPoints[i][1] = startValue[i][1] + fraction * (endValue[i][1] - startValue[i][1]);
}
return _cachedPoints;
}
private void initCache(int pointsCount) {
if(_cachedPoints == null || _cachedPoints.length != pointsCount) {
_cachedPoints = new float[pointsCount][2];
}
}
}