private static void BoundFrom(MovableEntity mov, Entity ent)
{
int replay = 0;
FloatRect rect = mov.GetFloatRect();
while (CollisionDetector.IsSticking(rect, ent.GetFloatRect()))
{
float angle = (float)(Math.PI - Math.Atan2(mov.PreviousVelocity.Y, mov.PreviousVelocity.X) * 2);
if (mov.GetType() == Entities.EntitiesContainer.Ball.GetType() && ent.GetType() == Entities.EntitiesContainer.Player1.GetType())
{
angle = GetValidAngleForBallAndPlayer(mov, ent);
Entities.EntitiesContainer.Ball.WasHitWith(Entities.EntitiesContainer.GetPlayer(ent.ID));
AudioSystem.AudioController.PlaySound("HIT");
}
mov.Velocity = GetBoundVector(mov, angle, replay > 0 ? true : false);
rect.Left = mov.GetFloatRect().Left + mov.Velocity.X;
rect.Top = mov.GetFloatRect().Top + mov.Velocity.Y;
replay++;
if (replay > 3)
{
mov.ResetPosition();
}
}
}
private static float GetValidAngleForBallAndPlayer(MovableEntity ball, Entity player)
{
float lenghtOfArea = player.GetFloatRect().Height * 1.3f / 8;
float middleOfBall = ball.GetFloatRect().Top + ball.GetFloatRect().Height / 2;
float touchingArea = (middleOfBall - player.GetFloatRect().Top) / lenghtOfArea;
float bounceAngle;
switch ((int)touchingArea)
{
case 1:
bounceAngle = 15;
break;
case 2:
bounceAngle = 45;
break;
case 3:
bounceAngle = 75;
break;
case 4:
bounceAngle = 105;
break;
case 5:
bounceAngle = -105;
break;
case 6:
bounceAngle = -75;
break;
case 7:
bounceAngle = -45;
break;
case 8:
bounceAngle = -15;
break;
default:
bounceAngle = 90;
break;
}
return((float)((Math.PI * bounceAngle) / 180));
}
public static bool WillBeColliding(MovableEntity mov, Entity ent)
{
FloatRect rect = mov.GetFloatRect();
rect.Left += mov.Velocity.X;
rect.Top += mov.Velocity.Y;
if (ent.GetFloatRect().Intersects(rect))
{
return(true);
}
else
{
return(false);
}
}
private static void TeleportToCollidingObjectAndSetVelocityTo0(MovableEntity mov, Entity ent)
{
Vector2f dis = CollisionDetector.DistanceToCollision(mov.GetFloatRect(), ent.GetFloatRect());
mov.PreviousVelocity = mov.Velocity;
if (Math.Abs(dis.X) > Math.Abs(dis.Y))
{
if (mov.Velocity.Y != 0)
{
mov.Body.Position = new Vector2f(mov.Body.Position.X, mov.Body.Position.Y + dis.Y);
if (mov.Velocity.X != 0)
{
mov.Velocity = new Vector2f((float)Math.Sqrt(mov.Velocity.X * mov.Velocity.X + mov.Velocity.Y * mov.Velocity.Y), 0);
}
else
{
mov.Velocity = new Vector2f(mov.Velocity.X, 0);
}
}
}
else
{
if (mov.Velocity.X != 0)
{
mov.Body.Position = new Vector2f(mov.Body.Position.X + dis.X, mov.Body.Position.Y);
if (mov.Velocity.Y != 0)
{
mov.Velocity = new Vector2f(0, (float)Math.Sqrt(mov.Velocity.X * mov.Velocity.X + mov.Velocity.Y * mov.Velocity.Y));
}
else
{
mov.Velocity = new Vector2f(0, mov.Velocity.Y);
}
}
}
}