public override void OnPaintingDrag(PlaytimePainter painter)
{
if (!recording)
{
return;
}
var stroke = painter.stroke;
if (stroke.MouseDownEvent)
{
_prevDir = Vector2.zero;
_prevPosDir = Vector3.zero;
}
var canRecord = stroke.MouseDownEvent || stroke.MouseUpEvent;
var worldSpace = painter.Is3DBrush();
if (!canRecord)
{
var size = GlobalBrush.Size(worldSpace);
if (worldSpace)
{
var dir = stroke.posTo - _lastPos;
var dot = Vector3.Dot(dir.normalized, _prevPosDir);
canRecord |= (_strokeDistance > size * 10) ||
((dir.magnitude > size * 0.01f) && (_strokeDistance > size) && (dot < 0.9f));
var fullDist = _strokeDistance + dir.magnitude;
_prevPosDir = (_prevPosDir * _strokeDistance + dir).normalized;
_strokeDistance = fullDist;
}
else
{
size /= parentMeta.width;
var dir = stroke.uvTo - _lastUv;
var dot = Vector2.Dot(dir.normalized, _prevDir);
canRecord |= (_strokeDistance > size * 5) ||
(_strokeDistance * parentMeta.width > 10) ||
((dir.magnitude > size * 0.01f) && (dot < 0.8f));
var fullDist = _strokeDistance + dir.magnitude;
_prevDir = (_prevDir * _strokeDistance + dir).normalized;
_strokeDistance = fullDist;
}
}
if (canRecord)
{
var hold = stroke.uvTo;
var holdV3 = stroke.posTo;
if (!stroke.MouseDownEvent)
{
stroke.uvTo = _lastUv;
stroke.posTo = _lastPos;
}
_strokeDistance = 0;
var data = EncodeStroke(painter).ToString();
recordedStrokes.Add(data);
recordedStrokesForUndoRedo.Add(data);
if (!stroke.MouseDownEvent)
{
stroke.uvTo = hold;
stroke.posTo = holdV3;
}
}
_lastUv = stroke.uvTo;
_lastPos = stroke.posTo;
}
