Resource centre for ZX Spectrum games
using Manic Miner and Jet Set Willy game engines
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Message: 6964
Author: ian.rushforth
Date: 09/12/2016
Subject: Re: Combining cell-types by giving them the same colour-attribute
Andrew wrote:
> * Crumbly Conveyor: when Willy stands on it, it both crumbles and
conveys him - leaving a smear if the conveyor is animated!
Unless, that is, Willy is standing on the leftmost cell of the Crumbly Conveyor - in that case, no 'smear' is left behind when the left of the conveyor crumbles away. (N.B. This is the case regardless of whether the conveyor animation is leftwards or rightwards - conveyor animation is always drawn from the left to the right.)
*
Andrew wrote:
> > * Conveyor-Air: stand-onable cells behave as Conveyor if he is also
> standing on top of an Air-cell.
> I now realise that this is why some of the Earth-cells in Goodnite
Luddite's "OBLATE OBLUTION OBLIGATION" [40] behave as Conveyor!
> In the README.TXT, I said this was "because of the rope", but I nowrealise it's because the room has the same colour-attribute for Air
and Conveyor. Thus an Earth-cell that is horizontally adjacent to an
Air-cell behaves as Conveyor when you're also standing on the Air-
cell.
Surely in that scenario, it's actually the Air cell under one half of Willy that is acting as a Conveyor, rather than the Earth cell?
Although having said that, the Earth cell underneath the other half of Willy's sprite is maintaining his position vertically, thus allowing the Air cell's conveying action to take effect. So I suppose it's a combination of the effect of both.
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