private void startAnimation() {
oldAction.flipHorizontally();
currentAction.flipHorizontally();
transformActions();
animatedAction.setLineSegments(currentAction.getLineSegments());
final ObjectAnimator animator =
ObjectAnimator.ofFloat(ActionView.this, "animationProgress", 0f, 1f);
animator.setInterpolator(BakedBezierInterpolator.getInstance());
animator.setDuration(animationDuration).start();
}
private void updatePath(Action action) {
path.reset();
final float[] data = action.getLineData();
// Once we're near the end of the animation we use the action segments to draw linked lines
if (animationProgress > 0.95f && !action.getLineSegments().isEmpty()) {
for (LineSegment s : action.getLineSegments()) {
path.moveTo(data[s.getStartIdx() + 0], data[s.getStartIdx() + 1]);
path.lineTo(data[s.getStartIdx() + 2], data[s.getStartIdx() + 3]);
for (int i = 1; i < s.indexes.length; i++) {
path.lineTo(data[s.indexes[i] + 0], data[s.indexes[i] + 1]);
path.lineTo(data[s.indexes[i] + 2], data[s.indexes[i] + 3]);
}
}
} else {
for (int i = 0; i < data.length; i += 4) {
path.moveTo(data[i + 0], data[i + 1]);
path.lineTo(data[i + 2], data[i + 3]);
}
}
}