//Picks either the upper, lower, left, or right sides for the grapple to attach to.
public PointF getGrappleAttachPoint(Entity attachEnt, GrappleComponent grapComp)
{
PositionComponent attachPosComp = ( PositionComponent )attachEnt.getComponent(GlobalVars.POSITION_COMPONENT_NAME);
PointF attachPos = attachPosComp.getLocAsPoint();
PointF attachSize = attachPosComp.getSizeAsPoint();
if (attachEnt.hasComponent(GlobalVars.COLLIDER_COMPONENT_NAME))
{
ColliderComponent colComp = ( ColliderComponent )attachEnt.getComponent(GlobalVars.COLLIDER_COMPONENT_NAME);
attachPos = colComp.getLocationAsPoint(attachPosComp);
attachSize = colComp.getSizeAsPoint();
}
PointF grapPos = grapComp.getLastPoint();
PointF left = new PointF(attachPos.X - attachSize.X / 2, attachPos.Y);
PointF right = new PointF(attachPos.X + attachSize.X / 2, attachPos.Y);
PointF up = new PointF(attachPos.X, attachPos.Y - attachSize.Y / 2);
PointF down = new PointF(attachPos.X, attachPos.Y + attachSize.Y / 2);
double distLeft = getDist(grapPos, left);
double distRight = getDist(grapPos, right);
double distUp = getDist(grapPos, up);
double distDown = getDist(grapPos, down);
double minA = Math.Min(distLeft, distRight);
double minB = Math.Min(distUp, distDown);
double min = Math.Min(minA, minB);
if (min == distLeft)
{
return(left);
}
else if (min == distRight)
{
return(right);
}
else if (min == distUp)
{
return(up);
}
else if (min == distDown)
{
return(down);
}
else
{
Console.WriteLine("Error picking point for grapple attachment!");
return(attachPos);
}
}
