//-----------------------------------------------------------------------------
// Seed Bouncing
//-----------------------------------------------------------------------------
// Try to bounce off of a seed bouncer tile, returning true if the bounce was successful.
private bool AttemptBounce(TileSeedBouncer seedBouncer)
{
// Determine the angle the we are moving in.
angle = Angles.NearestFromVector(physics.Velocity);
// Determine the angle to bounce off at.
int newAngle = -1;
int bouncerAngle = seedBouncer.Angle;
int bouncerAngleReverse = Angles.Reverse(seedBouncer.Angle);
int plus1 = Angles.Add(angle, 1, WindingOrder.Clockwise);
int plus2 = Angles.Add(angle, 2, WindingOrder.Clockwise);
int minus1 = Angles.Add(angle, 1, WindingOrder.CounterClockwise);
if (plus2 == bouncerAngle || plus2 == bouncerAngleReverse)
{
newAngle = Angles.Reverse(angle);
}
else if (plus1 == bouncerAngle || plus1 == bouncerAngleReverse)
{
newAngle = Angles.Add(angle, 2, WindingOrder.Clockwise);
}
else if (minus1 == bouncerAngle || minus1 == bouncerAngleReverse)
{
newAngle = Angles.Add(angle, 2, WindingOrder.CounterClockwise);
}
// Start moving in the new angle.
if (newAngle >= 0)
{
angle = newAngle;
physics.Velocity = Angles.ToVector(angle) * physics.Velocity.Length;
return(true);
}
return(false);
}
public override void Update()
{
Point2I loc = (Point2I)(Physics.PositionedCollisionBox.Center / GameSettings.TILE_SIZE);
// Check if tile location has changed.
if (loc != tileLocation)
{
Rectangle2F rect = new Rectangle2F(loc * GameSettings.TILE_SIZE,
new Vector2F(GameSettings.TILE_SIZE, GameSettings.TILE_SIZE));
// Only change tile locations if the collision box is fully contained inside the tile.
if (rect.Contains(physics.PositionedCollisionBox))
{
tileLocation = loc;
// Check for seed bouncers in the new location.
foreach (Tile tile in RoomControl.TileManager.GetTilesAtLocation(tileLocation))
{
TileSeedBouncer seedBouncer = tile as TileSeedBouncer;
if (seedBouncer != null)
{
OnCollideTile(seedBouncer, false);
break;
}
}
}
}
base.Update();
}