//Checks if this GameObject is collided with another one.
public bool IsCollidedWithGameObject(GameObject Obj)
{
if (Collision == CollisionTypes.None || Obj.Collision == CollisionTypes.None) //If Collision is off, they're not colliding
{
return false;
}
else if (Collision == CollisionTypes.Circular)
{
if (Obj.Collision == CollisionTypes.Circular) //In the case that they both have circular collision
{
if (Distance(Position, Obj.Position) < CollisionRadius || Distance(Position, Obj.Position) < Obj.CollisionRadius)
return true;
else
return false;
}
if (Obj.Collision == CollisionTypes.Rectangular) //If this has circular, but the other one has Rectangular
{
switch (RelativeQuadrant(this.Position, Obj.Position))
{
case 1:
if (Distance(this.Position, ((PointFHelp.PointF)Obj.Position - (PointFHelp.PointF)Obj.CollisionBox / 2)) < this.CollisionRadius)
return true;
else
return false;
case 2:
if (Distance(this.Position, new PointF((Obj.Position.X + Obj.CollisionBox.X / 2), (Obj.Position.Y - Obj.CollisionBox.Y / 2))) < this.CollisionRadius)
return true;
else
return false;
case 3:
if (Distance(this.Position, ((PointFHelp.PointF)Obj.Position + (PointFHelp.PointF)Obj.CollisionBox / 2)) < this.CollisionRadius)
return true;
else
return false;
case 4:
if (Distance(this.Position, new PointF((Obj.Position.X - Obj.CollisionBox.X / 2), (Obj.Position.Y + Obj.CollisionBox.Y / 2))) < this.CollisionRadius)
return true;
else
return false;
case 5:
if (this.Position.X + CollisionRadius < Obj.Position.X - CollisionBox.X / 2)
return false;
else
return true;
case 6:
if (this.Position.Y + CollisionRadius < Obj.Position.Y - CollisionBox.Y / 2)
return false;
else
return true;
case 7:
if (this.Position.X - CollisionRadius > Obj.Position.X + CollisionBox.X / 2)
return false;
else
return true;
case 8:
if (this.Position.Y - CollisionRadius > Obj.Position.Y - CollisionBox.Y / 2)
return false;
else
return true;
case -1:
return true;
default:
return false;
}
}
return false;
}
else //If it goes in here, it must always be Rectangular
{
if (Obj.Collision == CollisionTypes.Circular) //If we are rectangular and they are circular, just call the same code as above, except with the positions reversed
return Obj.IsCollidedWithGameObject(this);
else //If we are both rectangular
switch (RelativeQuadrant(Position, Obj.Position))
{
case 1:
if (this.Position.X + this.CollisionBox.X / 2 >= Obj.Position.X - Obj.CollisionBox.X / 2)
{
if (this.Position.Y + this.CollisionBox.Y / 2 >= Obj.Position.Y - Obj.CollisionBox.Y / 2)
{
return true;
}
}
return false;
case 2:
if (this.Position.X - this.CollisionBox.X / 2 <= Obj.Position.X + Obj.CollisionBox.X / 2)
{
if (this.Position.Y + this.CollisionBox.Y / 2 >= Obj.Position.Y - Obj.CollisionBox.Y / 2)
{
return true;
}
}
return false;
case 3:
if (this.Position.X - this.CollisionBox.X / 2 <= Obj.Position.X + Obj.CollisionBox.X / 2)
{
if (this.Position.Y - this.CollisionBox.Y / 2 <= Obj.Position.Y + Obj.CollisionBox.Y / 2)
{
return true;
}
}
return false;
case 4:
if (this.Position.X + this.CollisionBox.X / 2 >= Obj.Position.X - Obj.CollisionBox.X / 2)
{
if (this.Position.Y - this.CollisionBox.Y / 2 <= Obj.Position.Y + Obj.CollisionBox.Y / 2)
{
return true;
}
}
return false;
case 5:
if (this.Position.X + this.CollisionBox.X / 2 >= Obj.Position.X - Obj.CollisionBox.X / 2)
return true;
return false;
case 6:
if (this.Position.Y + this.CollisionBox.Y / 2 >= Obj.Position.Y - Obj.CollisionBox.Y / 2)
return true;
return false;
case 7:
if (this.Position.X - this.CollisionBox.X / 2 <= Obj.Position.X + Obj.CollisionBox.X / 2)
return true;
return false;
case 8:
if (this.Position.Y - this.CollisionBox.Y / 2 <= Obj.Position.Y + Obj.CollisionBox.Y / 2)
return true;
return false;
case -1:
return true;
default:
return false;
}
}
}
