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Scraps is a vehicle combat game where you build your vehicle from parts.

Scraps is a bit like the multiplayer melee mode in Interstate ’76, except you build your vehicle from the chassis up instead of just bolting on weapons and armour. It’s kind of like how you put stuff together in Stratosphere: Conquest Of The Skies except that it’s a vehicle instead of a floating platform.

Scraps is sort of like building a vehicle in LEGO Racers except that when you build your vehicle, every part actually does something and has mass and aerodynamics, instead of the result being mostly cosmetic. It’s something like Robot Wars, except you drive what you’ve created directly.

Scraps didn’t come out last century like everything above! It’s a game I’ve been thinking about and wanting to play for so long that I gave up waiting and I’m making it myself.

Scraps lets you create a vehicle that sucks. A car that falls over whenever it corners or only has enough power to fire its guns once a minute. It gives you a lot of power over what you’re creating. Do you trade speed for firepower? Do you add weapons at the expense of your power supply draining faster? What about armour? At the same time, it tries to avoid needless complexity like wiring components together, and tries to keep things intuitive. When you take out other players, you can scavenge their parts too.

Scraps is currently in development with no specific release date or final pricing. It will be sold at a reduced price at Alpha stage, building up to release. Purchase at any stage will grant access to the release version when it’s done. This is an indie game, currently a solo project, so don’t hold your breath – but it is coming.

 It’s like Kerbal Space Program except the spaceships are vehicles and they fight. It is not a retro 2D platformer.

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Blog RSS Feed Report abuse Latest News: Scraps builder demo update and some technical details

0 comments by Nition on Apr 20th, 2014

I've integrated some of my recent work on Scraps into the builder demo release, which as always is available here. In this release:

 2014-04 -
- Weapon tracers are now a post-render effect. Improves visibility at distance, and faster to process
- Added camera shake effects
- Added more terrain dirt FX- Removed skidmarks effect
- Some graphics tweaks
- Added a screenshot key (F2 by default).
- Price is now in scrap (S) instead of dollars ($)
- Further performance improvements for loading complex vehicles, and picking up or removing lots of parts at once
- Vehicle price previews in save/load/select dialogs
Bug Fixes:
- Fixed view clipping through some objects. General improvements to looking around in-game
- Part tooltips now show mass in the selected way (kg or lb), instead of always kg
- Added workaround for a bug which caused weapon hit effects to sometimes appear in the wrong place (related Unity bug: Bit.ly)
- Minor engine sound fixes

The skidmarks code was always bad (complex and performance-intensive) and it also didn't port well to the way I'm doing FX now: Vehicles used to create their own terrain FX, but now the terrain creates FX for any objects on it (see this post for more on that). Skid sounds and smoke remain.

The skidmarks code was also probably the only thing in Scraps that I didn't really write myself - It was modified code originally from the Unity Car Tutorial (Unity's tutorial code is free to reuse), and they'd used an... interesting method of drawing the skidmarks. Their method was clever, but it basically created a 3D mesh out of all the skidmarks in the scene every frame and then threw it out and did it again the next frame. Those thrown-out meshes would then get disposed of by the C# garbage collecter, using up a whole bunch of frame time a couple of times every second.

Unity's Car Tutorial shown here taking 25% of a frame to garbage collect all the old skidmarks. Scraps' skidmarks code was based on this, giving it similar issues. One can only hope that their engine code is better than some of their scripting...

So that's been thrown out, but some other new dirt FX are in. The new camera shake effect (also mentioned here) is pretty nice and IMO adds a much better feeling of force to vehicles with big arrays of weapons. It does have limits on it, so it'll never shake the screen to the extent that it becomes unplayable.

I'm not adding anything super exciting (like new parts) right now because I'm focusing on getting the actual game working well first: I like the freedom of being the sole developer on Scraps but I do have to prioritise carefully. So, I apologise that these playable updates aren't super interesting and probably won't be for a while.

Behind the scenes, things are a bit more interesting. I've been working largely on the multiplayer lobby for the past couple of weeks. In the lobby the host can choose a map, select the scrap cost limit etc, and players can choose a vehicle, chat, and indicate they're ready. The basic  networking setup is working and it's possible to start games, connect to them etc, but the whole lobby area still needs some work before we can finally make it right into an actual game.

The multiplayer prototype I have is sort of the opposite of that - it's like a stripped-down version of Scraps that's pretty much only the in-game stuff. I've also been tweaking some of the networking system there, but that still all needs to be ported into the main game. In the prototype, everyone drives a set type of vehicle, which is much simpler than the main game where people's vehicle choices need to be passed around, verified by the server, shown correctly on everyone's computers etc.

The server needs to load up vehicles it receives to verify that they're within the cost requirements and haven't been messed with somehow (they shouldn't have unknown parts, floating parts, or parts overlapping). It can skip the visual stuff, but it still shares most of the loading code with build-screen vehicle loading, so that's spurred the further reduction in loading times that you'll see with big vehicles in the latest builder update.

Playing Games

There are three options for a multiplayer game of Scraps:
Join: Find a game and join it via LAN or Internet.
Dedicated Server:  Scraps has a server application that can be run separately to the main game, so that a PC can host a game without someone playing. It has an optional GUI that shows settings and status messages, but can also be run in no-GUI mode where it's all in the background.
Host: From Scraps, you can host a LAN or Internet game. Hosting actually starts a local no-GUI server in the background and connects you to it, but the process happens invisibly. You'll be dropped into a game lobby where you can then choose the details of the game. This is similar to the Dedicated Server option except that the server PC also has a player, and that player has some extra privileges (namely, they can change game settings).

The intention is for Scraps to have a Master Server online, so that anyone can create an Internet game and register it with the Master Server for other players to find. People looking for a game to join can then search for games and find people's servers. Of course you can also play locally on a LAN.

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Post comment Comments  (0 - 10 of 23)
swyrazik Apr 21 2014, 12:31pm says:

An idea similar to this came to my mind today and I'm glad that someone already started developing such a game. Keep up the great job!

+1 vote     reply to comment
cool-meatball Mar 12 2014, 12:24pm says:

made a bots if already have i will be happy to download

+1 vote     reply to comment
DesuraDesuraTroll Mar 8 2014, 9:34pm says:

How fo I download?????

+1 vote     reply to comment
Sheyki Mar 9 2014, 3:04pm replied:

I hope you found it already, but if you didn't: Scrapsgame.com

+1 vote     reply to comment
fascka Dec 9 2013, 10:54pm says:

This is awesome, also I like the graphics

+1 vote     reply to comment
Kyou. Nov 25 2013, 9:24am says:

Already picturing my vehicle loadout. Hope the funding goes well.

+1 vote     reply to comment
Guest Dec 20 2013, 2:37am replied:

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jimutt Oct 15 2013, 9:23am says:

This looks very promising. Though I would personally prefer if the physics were a bit less "bouncy". Really looking forward to see what this game will look like in the future :)

+2 votes     reply to comment
Coded_Ninja Oct 8 2013, 6:55pm says:

Don't die! THis is awesome!

+2 votes     reply to comment
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