/// <summary>
/// Clear all the collisions for each collider
/// </summary>
protected override void ClearCollisions()
{
base.ClearCollisions();
CollAbove.ResetCollider();
CollBelow.ResetCollider();
CollLeft.ResetCollider();
CollRight.ResetCollider();
CollCenter.ResetCollider();
}
public override void Update(GameTime gameTime)
{
//Update the rest of the colliders as well
CollAbove.Update(gameTime);
CollBelow.Update(gameTime);
CollLeft.Update(gameTime);
CollRight.Update(gameTime);
base.Update(gameTime);
}
/// <summary>
/// What do for collisions
/// </summary>
/// <param name="sender">Who am I colliding with?</param>
/// <param name="e">Ignore this</param>
/// If you need more details, use CollAbove, CollLeft, etc.
/// Alternatively, here are some useful comparisions:
/// <example>
/// if (Location.Y < c.Host.Location.Y) Is true when colliding with something below
/// if (Location.Y > c.Host.Location.Y) Is true when colliding with something above
/// if (Location.X < c.Host.Location.X) Is true when colliding with something on the right
/// if (Location.X > c.Host.Location.X) Is true when colliding with something on the left
/// </example>
protected override void HandleCollisionEnter(object sender, EventArgs e)
{
//Cast to a Collider
Collider other = (Collider)sender;
switch (state)
{
case PlayerState.OnLand:
break;
case PlayerState.InAir:
//Stop on a platform
if (other.Host is Platform)
{
//When colliding below, stop
if (CollBelow.CollidingWith(other.Host))
{
Acceleration = Vector2.Zero;
Velocity.Y = 0;
state = PlayerState.OnLand;
//Snap to the top of the platform we just landed on
Location.Y = (int)(other.Host.Location.Y - (.95f * Location.Height));
}
//When colliding above, reset y velocity
else if (CollAbove.CollidingWith(other.Host))
{
Velocity.Y = 0;
}
}
break;
case PlayerState.InWater:
break;
case PlayerState.IsDead:
break;
default:
break;
}
}
/// <summary>
/// Swim Update
/// </summary>
public void Swim(int speed)
{
int horz = 0;
int vert = 0;
if (InputManager.GetButton("Right"))
{
horz = 1;
SpriteFX = SpriteEffects.FlipHorizontally;
direction = Direction.Right;
}
if (InputManager.GetButton("Left"))
{
horz = -1;
SpriteFX = SpriteEffects.None;
direction = Direction.Left;
}
if (InputManager.GetButton("Up"))
{
vert = 1;
}
if (InputManager.GetButton("Down"))
{
vert = -1;
}
if (horz != 0 || vert != 0)
{
Velocity = new Vector2(horz * speed, -vert * speed);
}
//Check for collisions and stop appropriate component of velocity while swimming
if (CollLeft.CollidingWith <Platform>() && Velocity.X < 0)
{
Velocity.X = 0;
}
if (CollRight.CollidingWith <Platform>() && Velocity.X > 0)
{
Velocity.X = 0;
}
if (CollAbove.CollidingWith <Platform>() && Velocity.Y < 0)
{
Velocity.Y = 0;
}
if (CollBelow.CollidingWith <Platform>() && Velocity.Y > 0)
{
Velocity.Y = 0;
}
//Exit swimming state when not colliding with any water objects
//Done here rather than in HandleCollision events because there
//will be a lot of water tiles near each other.
if (!Coll.CollidingWith <Water>())
{
state = PlayerState.InAir;
Acceleration = airAcceleration;
if (Velocity.Y <= 0)
{
Velocity.Y = .5f * jumpVelocity.Y;
}
//Turn back to normal color
DrawColor = Color.White;
//Stop ambient swim noise
GameManager.StopSFX("WaterLoop");
}
}
