private static void ExitMovementBlink(BlinkComponent blink, MovementComponent movement)
{
movement.Speed = blink.MovementExitSpeed;
if (blink.Bindings.TryGetValue(typeof(CollisionComponent), out var collisionBinding))
{
CollisionComponent collision = collisionBinding as CollisionComponent;
collision.IsPhasing = false;
}
if (blink.Bindings.TryGetValue(typeof(DrawComponent), out var drawBinding))
{
DrawComponent draw = drawBinding as DrawComponent;
if (draw.Tint == Color.Cyan)
{
draw.Tint = Color.White;
}
}
blink.CurrentEntityState.Blinking = false;
}
private static void SetMovementVariablesForBindings(BlinkComponent blink)
{
if (blink.InvulnerableOnMovementBlink)
{
if (blink.Bindings.TryGetValue(typeof(HealthComponent), out var healthBinding))
{
HealthComponent health = healthBinding as HealthComponent;
//TODO make this shit invincible, use blink duration
}
}
if (blink.Bindings.TryGetValue(typeof(CollisionComponent), out var collisionBinding))
{
CollisionComponent collision = collisionBinding as CollisionComponent;
collision.IsPhasing = true;
}
if (blink.Bindings.TryGetValue(typeof(DrawComponent), out var drawBinding)) //TODO Breunig talk about Coupling
{
DrawComponent draw = drawBinding as DrawComponent;
draw.Tint = Color.Cyan;
}
}
public Pair(CollisionComponent collision, MovementComponent movement)
{
Collision = collision;
Movement = movement;
}
private static float SweptAABB(CollisionSystem.Pair actor, CollisionComponent target, GameTime gameTime, out int normalX, out int normalY) //TODO THIS ALGORITHM IS NOT FUNCTIONAL, TOO LAZY TO FIX IT NOW
{
float xEntryDistance, yEntryDistance;
float xExitDistance, yExitDistance;
#region calculate distances
if (actor.Movement.Speed.Cartesian.X > 0.0f)
{
xEntryDistance = target.CollisionRectangle.X - (actor.Collision.CollisionRectangle.X + actor.Collision.CollisionRectangle.Width);
xExitDistance = (target.CollisionRectangle.X + target.CollisionRectangle.Width) - actor.Collision.CollisionRectangle.X;
}
else
{
xEntryDistance = (target.CollisionRectangle.X + target.CollisionRectangle.Width) - actor.Collision.CollisionRectangle.X;
xExitDistance = target.CollisionRectangle.X - (actor.Collision.CollisionRectangle.X + actor.Collision.CollisionRectangle.Width);
}
if (actor.Movement.Speed.Cartesian.Y > 0.0f)
{
yEntryDistance = target.CollisionRectangle.Y - (actor.Collision.CollisionRectangle.Y + actor.Collision.CollisionRectangle.Height);
yExitDistance = (target.CollisionRectangle.Y + target.CollisionRectangle.Height) - actor.Collision.CollisionRectangle.Y;
}
else
{
yEntryDistance = (target.CollisionRectangle.Y + target.CollisionRectangle.Height) - actor.Collision.CollisionRectangle.Y;
yExitDistance = target.CollisionRectangle.Y - (actor.Collision.CollisionRectangle.Y + actor.Collision.CollisionRectangle.Height);
}
#endregion
float xEntryTime, yEntryTime;
float xExitTime, yExitTime;
#region calculate entry and exit times
if (actor.Movement.Speed.Cartesian.X == 0.0f)
{
xEntryTime = float.NegativeInfinity;
xExitTime = float.PositiveInfinity;
}
else
{
xEntryTime = xEntryDistance / (actor.Movement.Speed.Cartesian.X * (float)gameTime.ElapsedGameTime.TotalSeconds);
xExitTime = xExitDistance / (actor.Movement.Speed.Cartesian.Y * (float)gameTime.ElapsedGameTime.TotalSeconds);
}
if (actor.Movement.Speed.Cartesian.Y == 0.0f)
{
yEntryTime = float.NegativeInfinity;
yExitTime = float.PositiveInfinity;
}
else
{
yEntryTime = yEntryDistance / (actor.Movement.Speed.Cartesian.Y * (float)gameTime.ElapsedGameTime.TotalSeconds);
yExitTime = yExitDistance / (actor.Movement.Speed.Cartesian.Y * (float)gameTime.ElapsedGameTime.TotalSeconds);
}
#endregion
if (xEntryTime > 1.0f)
{
xEntryTime = -float.MaxValue;
}
if (yEntryTime > 1.0f)
{
yEntryTime = -float.MaxValue;
}
float entryTime = Math.Max(xEntryTime, yEntryTime);
float exitTime = Math.Min(xExitTime, yExitTime);
#region no collision happened
if ((entryTime > exitTime) || (xEntryTime < 0.0f && yEntryTime < 0.0f))
{
normalX = 0;
normalY = 0;
return(1.0f);
}
#endregion
#region set normals
if (xEntryTime > yEntryTime)
{
normalX = -1;
normalY = 1;
}
else
{
normalX = 1;
normalY = -1;
}
#endregion
return(entryTime);
}
