/// <summary>
/// This entity is colliding into another. This entity is the one doing the colliding.
/// </summary>
/// <param name="collidingEntity"></param>
public void Collision(GameEntity collidingEntity)
{
Vector collisionVector = new Vector(this.position.x - collidingEntity.GetPosition().x + this.speed.X,
this.position.x - collidingEntity.GetPosition().x + this.speed.Y);
string firingGuy = "";
if(this.GetTypeName() == "Projectile")
{
//the projectile should not hit the entity that fired it
Projectile projEnt = this.As<Projectile>();
if (collidingEntity == projEnt.GetFiringEntity())
{
return;
}
firingGuy = projEnt.GetFiringEntity().GetName();
}
//perform custom collision events first
if (this.collisionEvent != null)
{
this.collisionEvent.Invoke(collidingEntity);
}
if (collidingEntity.collisionEvent != null)
{
collidingEntity.collisionEvent.Invoke(collidingEntity);
}
// Determine where the collision happens
Point collisionPosition = new Point(0, 0);
if (Math.Abs(this.speed.X) > Math.Abs(collidingEntity.speed.X))
{
collisionPosition.x = (Math.Abs(collidingEntity.speed.X) / Math.Abs(this.speed.X))
* Math.Abs(this.position.x - collidingEntity.position.x);
}
else
{
collisionPosition.x = (Math.Abs(this.speed.X) / Math.Abs(collidingEntity.speed.X))
* Math.Abs(collidingEntity.position.x - this.position.x);
}
// If the colliding entity is neither above nor below, check X collision.
if (!collidingEntity.GetArea().Above(this.GetArea()) && !collidingEntity.GetArea().Below(this.GetArea()))
{
if ((this.position.x + this.speed.X > collidingEntity.position.x + collidingEntity.speed.X &&
this.position.x + this.speed.X < collidingEntity.position.x + collidingEntity.speed.X + collidingEntity.Width) ||
(this.position.x + this.speed.X < collidingEntity.position.x + collidingEntity.speed.X &&
this.position.x + this.speed.X + this.Width > collidingEntity.position.x + collidingEntity.speed.X))
{
//newSpeed.x = 0;
//colNewSpeed.x = 0;
}
}
// If colliding entity is neither to the left nor the right, check Y collision
if (!(collidingEntity.GetArea().Right < this.GetArea().Left)
&& !(collidingEntity.GetArea().Left > this.GetArea().Right))
{
// If colliding from above...
// "Minimum" speed is entity position minus colliding entity top.
if (this.position.y + this.speed.Y < collidingEntity.position.y + collidingEntity.speed.Y &&
this.position.y + this.speed.Y + this.Height > collidingEntity.position.y + collidingEntity.speed.Y)
{
this.SetPosition(this.GetPosition().x, collidingEntity.GetArea().Top);
}
// If colliding from below,
// "Maximum" speed is colliding entity top minus entity bottom
if (this.position.y + this.speed.Y > collidingEntity.position.y + collidingEntity.speed.Y &&
this.position.y + this.speed.Y < collidingEntity.position.y + collidingEntity.speed.Y + collidingEntity.Height)
{
this.SetPosition(this.GetPosition().x, collidingEntity.GetArea().Bottom - this.GetArea().height);
}
}
// Collision means speed = 0;
this.SetSpeed(new Vector(0, 0));
collidingEntity.SetSpeed(new Vector(0, 0));
// Colliding with a tile.
if (collidingEntity.GetTypeName() == "Tile")
{
// Debug.log(collisionVector.ToString());
}
// Well, we don't need to deal damage from a terrain collider.
if (this.GetTypeName() == "TerrainCollider")
{
return;
}
int damage = 10;
//deal damage to the other entity
if (collidingEntity.GetTypeName() == "LivingGameEntity")
{
LivingGameEntity livingTarget = collidingEntity.As<LivingGameEntity>();
/*
Debug.log(this.GetName() + " " + this.GetId() + " at " + this.GetPosition().x + ", " + this.GetPosition().y +
" dealing " + damage + " damage to " + livingTarget.GetName() + " (" + livingTarget.GetId() + ") at " + livingTarget.GetPosition().x + ", " + livingTarget.GetPosition().y +
". IsProjectile: " + isProj.ToString() + ", firingGuy is " + firingGuy + ", This type is " + this.GetType().Name.ToString());
*/
Debug.log("Damaging " + livingTarget.GetName() + " by " + damage);
livingTarget.Damage(damage);
}
//collidingEntity.dam
}
public bool CheckEntityVisibility(GameEntity gent)
{
if (this.GetVisibleArea().Contains(gent.GetArea()))
{
if (!visibleEntities.Contains(gent))
{
visibleEntities.Add(gent);
}
return true;
}
else
{
if (visibleEntities.Contains(gent))
{
visibleEntities.Remove(gent);
}
return false;
}
}