public Action_Key_Frame(double d, List <Key_Frame> frames, Point offset)
: base(d)
{
Key_Frame frame = new Key_Frame();
foreach (Key_Frame i in frames)
{
if (offset.x_ != 0 && offset.y_ != 0)
{
frame = i;
frame.position_ += offset;
key_frames_.Add(frame);
}
else
{
key_frames_.Add(i);
}
}
duration_ = d * key_frames_.Count();
}
public override void update(double time)
{
base.update(time);
double fDiff;
double fIndex = this.elapsed_ * key_frames_.Count() / duration_;
int index = (int)fIndex;
fDiff = fIndex - index;
if (index >= key_frames_.Count())
{
index = key_frames_.Count() - 1;
}
Key_Frame key = new Key_Frame();
if (index < key_frames_.Count() - 1)
{
Key_Frame key1 = key_frames_[index];
Key_Frame key2 = key_frames_[index + 1];
key.position_ = key1.position_ * (1.0 - fDiff) + key2.position_ * fDiff;
key.angle_ = key1.angle_ * (1.0 - fDiff) + key2.angle_ * fDiff;
//if (Math.Abs(key1.angle_ - key2.angle_) > 180.0)
//{
// key.angle_ = key1.angle_;
//}
}
else
{
key = key_frames_[index];
}
target_.set_position(key.position_);
//target_.set_rotation((360.0 - key.angle_) * Math.PI / 180.0);
target_.set_rotation((360.0 + key.angle_) * Math.PI / 180.0);
}