public bool PerformAnimatedSpriteFrame(AnimatedSprite sprite, BCBlockGameState gamestate)
{
//task: increment rotation and frame number.
CurrentRotation += RotationSpeed;
bool returnresult = !gamestate.GameArea.Contains(new Point((int)Location.X, (int)Location.Y));
//Location= new PointF(Location.X+Velocity.X,Location.Y+Velocity.Y);
Location = VelocityChange.PerformFrame(gamestate,Location);
return returnresult;
}
public void Draw(AnimatedSprite sprite, Graphics g)
{
//Draw: takes into account the rotation and the current frame.
//First, get the Image we need to draw:
Image drawthis = CurrentFrameImage;
if (drawthis == null) return;
PointF centerpoint = CenterPoint();
//now,proceed to change the transform matrix of the graphics object...
//Debug.Print(CurrentRotation.ToString());
//rotate around the center of the object.
//create a new Matrix, also, a temporary one to cache the graphics objects original matrix.
Matrix cached = g.Transform;
rotationmatrix.Reset();
//rotationmatrix.RotateAt((float)CurrentRotation, centerpoint);
rotationmatrix.RotateAt((float)CurrentRotation, centerpoint);
//draw it...
g.Transform = rotationmatrix;
//g.DrawImage(drawthis, Location.X, Location.Y, Size.Width, Size.Height, useImageattributes);
g.DrawImage(drawthis, new Rectangle((int)Location.X, (int)Location.Y, (int)Size.Width, (int)Size.Height),
0, 0, drawthis.Width, drawthis.Height, GraphicsUnit.Pixel, useImageattributes);
//now "revert" the transform...
//g.Flush();
g.Transform = cached;
//g.Transform.RotateAt(-(float)CurrentRotation, centerpoint);
}
