Premature Evaluation: 3d Bridges

As will no doubt be evident from this article, I really know approximately fuck all about bridge construction. This despite living close to several historic bridges: the Clifton Suspension bridge, for instance, or Bath’s Pulteney Bridge - one of only four in the world with shops running the full length down either side! Wow! But living in Bath, where the city traffic is perpetually stricken by the paucity of crossings over its multiple waterways, I do have an appreciation for one particular function of bridges: they make excellent chokepoints. There are not a shortage of examples of this throughout military history, but if I were to pick a favourite, then the Battle of Stamford Bridge certainly has a lot going for it: it’s not only one of the most pivotal moments in British history, and has phenomenal military feats on both sides, but it’s preceded by one of the all-time most awesome threats ever to have been uttered.

Each week Marsh Davies scuttles nervously over the creaking, makeshift architecture of Early Access and comes back with any stories he can find and/or plunges to his doom amid a shower of twisting metal. This week, he dons his hardhat and unfolds the blueprint for 3d Bridges, a physics-based construction puzzler in which you construct – yes! – bridges and then run a truck over them to test both their mettle and their metal. It also turns out to be standalone level pack otherwise included in the more sandboxy 3D Bridge Engineer toolkit – which is also on Early Access. They are not entirely as terrible as they might first look. Not entirely.

I admit: I only downloaded this because I mistook it for Bridge Constructor, a cheery-looking physics game that I could have sworn had already been released to YouTubers’ delight some years ago. It had been. This is not it. I suppose some things should have tipped me the wink: the mercurial approach to sentence structure on the Steam store pages; the website’s eager use of Comic Sans; pretty much everything about the way this game looks. But it’s only when I go to pick a name with which to inaugurate my campaign profile that the penny drops. Befitting my modest engineering aspirations, I go for “Brunel”. The game unceremoniously truncates it to “Brune”, providing a disappointment which simultaneously feels like a metonym for the entire enterprise.

1066. Things were looking a bit shaky for Harold Godwinson, the Saxon king of England. The death of his forbear, Edward the Confessor, had left a lot of parties in contention for the throne, and though Harold had been duly elected King, no shortage of foes wished to take it from him. Not least among the agitators was his own brother, Tostig, who had been removed from his position of earl of Northumbria, on account of being a douchey and ineffectual ruler, and then subsequently exiled when he refused to accept his deposition. Tostig had since gone and begged the ear of the ambivalent Norwegian King, Harald Hardrada, and somehow persuaded him to mount an attack on England - landing on the Yorkshire coast with 10,000 men.

And yet, clumsy, oft-mistranslated, one-man passion-parp though this might be, it is in some ways a more sophisticated construction tool than the polished and appealing Bridge Constructor. Both games share a central challenge: you put bridges together girder-by-girder, adhering to a strict budget, and then activate the physics engine to see if your structure can support itself. In Bridge Constructor you can summon a convoy of vehicles to trundle across, or otherwise to their deaths. In 3d Bridges you control a truck yourself, adding some amount of driving skill to the task.

The real difference, however, is that Bridge Constructor only lets you draw your girders by joining nodes together in a single vertical plane, representing one flank of the bridge. That flank is then automatically mirrored to create the full construct. 3d Bridges is, as its oddly capitalised name suggests, 3D – in both presentation and function – and thus permits asymmetric constructions and puzzles that span larger non-linear environments.

The Norwegians weren’t the foremost threat to Harold Godwinson’s crown, however. William of Normandy had also brazenly stated his intention to take England, and Harold found this threat sufficiently credible and imminent that he had raised an army in the South of England in preparation. The summer of 1066 came and went, and no Normans had set foot on English soil. Harold’s army was running out of supplies, and many were irregular troops - only obliged to serve for two months a year. Harold was reluctantly forced to disband much of his army, only to then hear that the Norwegian king had landed in the North and planned to conquer all of England. Harold has been given short shrift by history, but his reaction to this news should really have cemented his reputation as a colossal badass: “I will give him just six feet of English soil; or, since they say he is a tall man, I will give him seven feet!”

It also means you have at least twice as many girders to individually place, which is a bit of a chore given that most designs are symmetrical after all, and the 3D coordinate system to achieve this is unavoidably a little finickier than working in a single plane. Users of 3D modelling software will probably find it reasonably intuitive, even if the thing could do with a copy-and-paste command and a more agile camera. In any case, the tutorials, despite being in broken English, quickly make your tools familiar. There’s an endearing earnestness to these gently mangled blurbs. “If something was wrong and the bridge is crap,” reads one tip, “change something or maybe start the tutorial again by a restart.” Another, split over multiple messages, insistently reassures the player that such hints will always be available. It’s really rather sweet.

Though the tutorials cover various materials – cables, road surfaces and girders – and the interactions necessary to place them, it doesn’t give you much idea about the best building practices. I only have the vaguest idea of how the weight of a truck disperses through the various structures I’ve placed beneath it, and bridges, alas, are not held up by vague ideas, as many a truck driver fatally discovers.

What he did next is also pretty incredible. Harold’s noblemen in the North had failed to turn the might of the Norwegian army and been soundly defeated at the Battle of Fulford, smashing themselves repeatedly into Hardrada’s shield wall. York offered its surrender, and terms for a hostage exchange were laid down. The exchange was to take place at Stamford Bridge, a crossing point of now-uncertain location over the river Derwent just outside of York. The day was hot, and the Norwegian host decided to relax, stripping off armour and revelling in their recent victory. Then Harold arrived. He’d marched his army of 3000 men all the way from the South coast - some 185 miles in four days. The Norwegian host was, needless to say, rather surprised to see him.

Things start simply enough: one of the first non-tutorial tasks is to cross a small dry riverbed. A generous construction budget lets me build a hardy cat’s cradle of metal, every node sprouting a girder to as many others as it can, all held firmly between two short, but steep cliffs. Not even a fool could blunder there, though I give it a good go. Soon, however, the gaps get wider, the budgets tighter. 3d Bridges’ levels become an exercise in minimalism before you’ve really understood enough about building to recognise where efficiencies can be made.

One early nemesis of mine comes in the form of a ramp. For the life of me – or rather, for the life of the poor truck drivers – I cannot get the vehicle on the ramp without plunging straight through it. I make it steeper, so using fewer road segments and allowing me to more heavily reinforce the girders beneath, but now the truck plunges straight through it and explodes. Annoyed and confused by my failures, I drive my truck off the edge of the level – an island hovering in a low-resolution skybox of heightmapped green hills – and watch from the dashboard cam as it tumbles into an eternal abyss, while I contemplate my fading hopes of one day being a civil engineer.

The Norsemen beat a hasty retreat across the bridge, leaving much of their armour behind or being slain in the process. One later amendment to the Anglo-Saxon Chronicle tells of how one vast and redoubtable viking stood upon the bridge and singlehandedly halted the English advance, slaying dozens upon dozens of Harold’s men as they tried to push through the narrow crossing. Eventually he was felled when one English soldier went under the bridge - some accounts say by floating himself in a barrel - and skewered the brave Norwegian with a spear from below. The English surged forward, but the Norwegians had been able to collect themselves and the fighting was fierce. The invaders’ lack of preparation for this fight took its toll across the many hours, however, and their shield wall eventually fragmented. Hardrada took an arrow to the throat and Tostig fell soon after while trying to stem the rout.

Eventually, I pull myself together and find a way to economise which allows me enough spare budget to run girders along the edges of the road sections. I hadn’t guessed this would be necessary: the road sections are represented by an infinitely thin plane of texture, so their relative tensile strength is not immediately obvious. I mount one side of the ramp – victory! – and come down a little quick on the other – death by instant immolation!

I take it slower the next time, and succeed despite the squeals of agony my girders are unleashing. Subsequent levels – still barely out of the tutorial – are simply punishing. Ideally, being so early in the game, I’d like to experiment with elaborate structures free from the fear of breaking my miserly budget, but I’m even struggling to find the resources to lay girders from point A to point B. One level, featuring a particularly large and precipitous chasm, suggests building a central pillar from a rock – but the rock is not conveniently beneath the centrepoint of the shortest span. The solution is presumably to build a bridge which curves laterally, but I’m at a loss as to how to do this within the budget and sufficiently reinforce it. You can boost up the strength of girders at a significant cost. But how much stronger are they? It’s impossible to gauge. Another level asks me to build a tall tower to support a large flat slab of concrete, but my designs invariably and instantly concertina beneath the weight.

Hardrada did indeed get his seven foot of English soil, but his body was later repatriated. Only 24 ships of a fleet of 300 returned to Norway, and though Harold let Hardrada’s son go, the battle categorically ended the Viking threat to England. Not so the Norman threat, however. William landed in the South of England only three days later, and Harold’s beleaguered, bloodied army was forced to march the length of England once again to meet the Norman force at the Battle of Hastings. This time, however, they did not prevail and Harold himself got plugged by an arrow - as famously depicted in the Bayeux tapestry - ceding the English crown to his Norman adversary, thereafter known as William the Conqueror. So, bridges, then, eh? Bridges. Well.

Given that levels unlock in strict order based on completion, this may be where my career as a bridge builder ends – which is no doubt a good thing given the number of deaths I have caused in its short duration. I’m frustrated, but only because I actually rather enjoy the process, fiddly and time-consuming as it is. 3d Bridges is a somewhat amateurish and ugly game – but it’s not at all a stupid one: it recognises the pleasure of solving such a tangible, physical problem and articulates this through a precise, powerful and largely well-considered construction tool. Sure, the camera doesn’t really allow you to see under structures, and the grid which indicates the plane you are editing often creates so much visual distraction it’s hard to see what you’re doing. And the grid measurements sometimes list the number 14 twice, throwing out all subsequent numbers along that axis.

But the game’s real problem is an easy fix: instead of having hard restrictions on budget, introduce graduated success: bronze, silver and gold tiers. Have puzzles which teach you better load-bearing techniques. Let the player place modest prefab girder combinations just to speed things up a tad. And throw in an Undo button would ya? Hokey though 3d Bridges is in presentation and execution – and hokey it will likely remain – if these things were addressed in coming patches, then I’d surely be back. The truck drivers might be less thankful.

3d Bridges is available from Early Access for £10. I played version 1.18 on 2/03/2015. You can also purchase the larger sandbox game / construction tool, 3D Bridge Engineer, which contains all the levels from 3d Bridges, for £15.

15 Comments

  1. mashkeyboardgetusername says:

    Speaking of Harold and cool historical quotes, William gives quite a good quote at Hastings. A rumour spread that he had been killed and morale fell as a result, including one flank running. William, seeing this, raises his visor so all can see his face and proclaims:
    “I yet live, and with god’s will I shall have victory!”
    Which I think is fairly cool, in a yes-they-spoke-like-that-back-then sort of way. (Also pretty critical in the battle as Harold’s army, having lost their formation chasing the flank that ran, then got overwhelmed when said flank rallied.) I like to bring this example up when people talk about the general’s Rally ability in more recent Total War games as being unrealistic.

    And yes, I have been rewatching the BBC’s The Normans documentaries again. If you haven’t seen them they’re worth a look. I also like the bit about etymology of food as the languages merged.

  2. Premium User Badge

    phuzz says:

    I ended up reading all the alt-text first, and then the article, thanks Marsh!

    • Premium User Badge

      Tom-INH says:

      This is now my standard way to read Marsh’s column.

      • April March says:

        I sometimes read all the alt-text, then save the actual article to Pocket to read on an e-reader.

  3. trueGamer says:

    Looks like it’s been made by one of the old Bridge Builder/Pontifex Developer/s. Anyone remember those gems?

    • PoulWrist says:

      Pontifex was delightful. We laughed like crazy at the stuff we could get away with in that :-)

  4. Henas says:

    How bizarre that an article on a dodgy looking bridge building game would make me want to play Crusader Kings II.

    My favourite, regular RPS article, thanks Marsh.

    • EighthNote says:

      You beat me to it! I’m off to see if old Harold can beat off the Norwegians and the Normans this time around.

    • Bluerps says:

      It’s a great column. Not only is the actual review always good, but every time there is also some interesting stuff in the alt texts too.

  5. ffordesoon says:

    I demand that someone make a bridge in the shape of Jeff Bridges’ face.

  6. dahauns says:

    2000. According to WP, the first version of Bridge Builder was released in 2000. Lord, I feel old now.

  7. FreeTom says:

    Hmm, looks a bit ‘realistic’ for my liking.

    What I really want is Armadillo Run 2.

  8. Ace Rimmer says:

    Ah, but did Harold die at Hastings,* or did he live out the remainder of his life as a peaceful hermit in Waltham Forest?**

    Also, as terrible as I am at 2d bridge construction, I shudder to think how badly I’d bork a 3D version.

    * he did.
    ** he did not.

  9. PeriSoft says:

    “Another level asks me to build a tall tower to support a large flat slab of concrete, but my designs invariably and instantly concertina beneath the weight.”

    If the last pic is representative of your ultimate effort in that regard, well… no wonder! You’re using a series of shapes like this:

    ><

    …which naturally end up turning into this:

    ==
    ==

    It concertinas because you made an accordion! It's the shape you would come up with if you specifically wanted the thing to collapse! Try rotating the pattern 45 degrees, and it'll want to stay up instead of wanting to flatten out: Use triangles, not squares. That's why bridge structures look like this:

    ________
    \/\/\/\/\/\/\/\/

    …and not like this

    [][][][][][][][][]

    As for whether you get enough girders to manage the task, I can't say, but it's worth a shot.

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