public bool Update(int gravity, WallCollection walls, PlayerCollection players)
{
if (HitBox.Y > KILL_LEVEL)
{
return(false);
}
AccelY = gravity;
// Save Velocity and Rec values to be manipulated
Rectangle rectangle = HitBox;
Point velocity = Velocity;
// update velocity based on acceeleration
velocity.X += AccelX;
velocity.Y += AccelY;
if (velocity.X > MAX_SPEED)
{
velocity.X = MAX_SPEED;
}
else if (velocity.X < -MAX_SPEED)
{
velocity.X = -MAX_SPEED;
}
if (OnGround)
{
velocity.Y = 0;
if (AccelX == 0)
{
if (velocity.X > DAMPEN)
{
velocity.X -= DAMPEN;
}
else if (velocity.X < -DAMPEN)
{
velocity.X += DAMPEN;
}
else
{
velocity.X = 0;
}
}
}
// test to see if on the ground
OnGround = false;
if (walls.Intersects(new Rectangle(HitBox.X, HitBox.Bottom, HitBox.Width, 1)) != new Rectangle())
{
OnGround = true;
}
// test to see if on the ground
Rectangle test;
Rectangle wall = new Rectangle();
Point offset = new Point(0);
// Test Y
if (velocity.Y > 0) // fall on v
{
test = new Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height + velocity.Y);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
velocity.Y = wall.Top - rectangle.Bottom;
}
}
else if (velocity.Y < 0) // hit from top ^
{
test = new Rectangle(rectangle.X, rectangle.Y + velocity.Y, rectangle.Width, rectangle.Height - velocity.Y);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
velocity.Y = 0;
}
}
rectangle.Y += velocity.Y;
// Test X
if (velocity.X > 0) // hit from right side ->|
{
test = new Rectangle(rectangle.X, rectangle.Y, rectangle.Width + velocity.X, rectangle.Height / 2);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
velocity.X = -rectangle.Right + wall.Left;
AccelX = 0;
}
else
{
// test for moveing over an incline
test = new Rectangle(rectangle.X, rectangle.Y, rectangle.Width + velocity.X, rectangle.Height);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
test = new Rectangle(rectangle.X, rectangle.Y - wall.Height, rectangle.Width + velocity.X, rectangle.Height);
test = walls.Intersects(test);
if (test == new Rectangle())
{
offset.Y -= wall.Height;
}
else
{
velocity.X = -rectangle.Right + wall.Left;
AccelX = 0;
}
}
}
}
else if (velocity.X < 0) // hit from right side |<-
{
test = new Rectangle(rectangle.X + velocity.X, rectangle.Y, rectangle.Width - velocity.X, rectangle.Height / 2);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
velocity.X = wall.Right - rectangle.Left;
AccelX = 0;
}
else
{
// test for moveing over an incline
test = new Rectangle(rectangle.X + velocity.X, rectangle.Y, rectangle.Width - velocity.X, rectangle.Height);
wall = walls.Intersects(test);
if (wall != new Rectangle())
{
test = new Rectangle(rectangle.X + velocity.X, rectangle.Y - wall.Height, rectangle.Width - velocity.X, rectangle.Height);
test = walls.Intersects(test);
if (test == new Rectangle())
{
offset.Y -= wall.Height;
}
else
{
velocity.X = wall.Right - rectangle.Left;
AccelX = 0;
}
}
}
}
// update weapon if exists
if (weapon != null)
{
weapon.Update(this, walls, players);
}
// uppdate the rectangle based on velocity
rectangle.Y += offset.Y;
rectangle.X += velocity.X + offset.X;
// reset Velocity and Rec values
Velocity = velocity;
HitBox = rectangle;
return(Health > 0);
}
/// <summary> /// This method is used to update anything needed with the weapon like location. /// </summary> /// <param name="owner"></param> /// <param name="walls"></param> /// <param name="players"></param> public abstract void Update(Hero owner, WallCollection walls, PlayerCollection players);