Point pointForBdPart(BodyPart bdPart)
{
return(bdPart.picBox.Location);
}
void ContinuedRun(BodyPart snakeHead, List <ContinuousSnake> snakes, List <Obstacle> obstacles)
{
// get x and y comps of velocity
double thisX = picBox.Location.X + (double)picBox.Width / (double)2;
double thisY = picBox.Location.Y + (double)picBox.Height / (double)2;
double snakeX = snakeHead.picBox.Location.X + (double)snakeHead.picBox.Width / (double)2;
double snakeY = snakeHead.picBox.Location.Y + (double)snakeHead.picBox.Height / (double)2;
// get the comps
double deltaX = snakeX - thisX;
double deltaY = snakeY - thisY;
// scale them according to target velocity magnitude
double triMag = Math.Sqrt(Math.Pow(deltaX, 2) + Math.Pow(deltaY, 2));
deltaX = deltaX * velocityMag / triMag;
deltaY = deltaY * velocityMag / triMag;
// run checks here for obstacles
foreach (Obstacle obstacle in obstacles)
{
// get the rectangle that represents collision area with an obstacle
Rectangle collision = Rectangle.Intersect(obstacle.picBox.Bounds, picBox.Bounds);
if (collision != Rectangle.Empty) // only run if collision is existent
{
if (collision.Width > collision.Height)
{
deltaY = 0;
// push the enemy out by the height
if (collision.Y > picBox.Location.Y)
{
picBox.Location = new Point(picBox.Location.X, picBox.Location.Y - collision.Height - 1);
}
else if (collision.Y < picBox.Location.Y)
{
picBox.Location = new Point(picBox.Location.X, picBox.Location.Y + collision.Height + 1);
}
}
else if (collision.Height > collision.Width)
{
deltaX = 0;
if (collision.X > picBox.Location.X)
{
picBox.Location = new Point(picBox.Location.X - collision.Width - 1, picBox.Location.Y);
}
else if (collision.Y < picBox.Location.Y)
{
picBox.Location = new Point(picBox.Location.X + collision.Width + 1, picBox.Location.Y);
}
}
else
{
//deltaX = 0;
//deltaY = 0;
}
}
}
// run checks here for snakes
foreach (ContinuousSnake snake in snakes)
{
// get body segment that the enemy collided with
BodySegment segment = snake.CollidedWith(picBox);
// end the current loop if no segment returned
if (segment == null)
{
continue;
}
// get the rectangle that represents collision area with an obstacle
Rectangle collision = Rectangle.Intersect(segment.picBox.Bounds, picBox.Bounds);
if (collision != Rectangle.Empty) // only run if collision is existent
{
if (collision.Width > collision.Height)
{
deltaY = 0;
}
else if (collision.Height > collision.Width)
{
deltaX = 0;
}
else
{
//deltaX = 0;
//deltaY = 0;
}
}
}
// move the picturebox
picBox.Location = new System.Drawing.Point((int)(picBox.Location.X + deltaX), (int)(picBox.Location.Y + deltaY));
}