Materials generally have a high strength to weight ratio. (In reality, under compression a long beam is prone to buckling, and under tension a beam can break under it's own weight if it's absurdly long, in Poly Bridge the beams are short enough to make these mostly non-factors). This closely approximates reality at least for beams of moderate length. Beam strength is independent of length. It would make steel arch bridges less extremely featherweight though. How different would the game be if the weights model matched reality? It is hard to say, because most of the weight which breaks a bridge is the roads and vehicles. In Poly Bridge, the more densely inter-linked a bridge is, the stronger it is. This does not apply to Poly Bridge, where you can add more beams without adding any weight at all. One of the challenges of the classic BridgeBuilder game, was that it was hard to make a bridge stronger by adding more metal, adding more iron made the bridge heavier. 
Curiously, the cost model is completely opposite, you don't pay anything for nodes, and pay by the inch for beams. We could call this a "heavyweight bolts and areogel beams" model, where the only heavy component is the "bolts" which join two beams. It's a simple and reasonably effective model. This also makes suspension cable heavy if you don't use the nodes.Įssentially the fundamental design of the physics engine, is that each node has a weight of "1" (lets call it "1"), the nodes are joined with "springs" of various strength, these "springs" don't have any weight. What I mean, is if you add a new beam between two existing nodes, it wont add any weight at all, only creating a new node will add weight to the bridge.
Only nodes have weight, and the weight of a node is independent of how many beams are attached (except roads). This means longer beams are lighter per meter than short beams, and maximum length steel beams are featherweight, to say nothing of long cables. 
Beams weigh the same regardless of how long they are (except roads). Thus steel is stronger but not heavier than wood. Beams weigh the same regardless of material (except roads, also hydraulics are minutely heavier). Higher Resolution Video Replays: Record high-resolution video replays to show your funny and crazy failures and amazing successes with your friends or on social media.I've been playing around with the physics engine, along the lines of building scales and weighing things, testing breaking strain and so on. Employ complex moving designs into your bridge with multiple moving parts. 3-Way Split Joints: Drawbridges and hydraulic contraptions can now be enhanced with 3-way split joints. Diagnose and fix problems easily with this new simple tool that highlights the first piece broken. First Break Indicator: When your bridge is falling down it can be tough to see where it all goes wrong. We've also included over 100 original Poly Bridge levels to replay in the Workshop Campaigns section of the in-game Workshop! Group and order your workshop levels together in the new Workshop Campaigns! Design entire campaign worlds including multiple levels with a common theme and difficulty progression. Accurate and predictable, it guarantees the same simulation outcome for everyone, keeping the competitive aspect of the game alive!Ĭompete against other players in the new separate general and unbreaking leaderboards! Leaderboard entries are verified on submission to ensure a fair experience for all players.īuild bridges with your favourite streamer! The Poly Bridge 2 Twitch Extension allows viewers and streamers to work together viewers can design and submit bridges directly to their favourite streamer for them to test in-game! Learn more at Ĭreate unique levels from scratch and submit them to the in-game Workshop with an improved Sandbox level designer with new objects, customizable ramps, and over twenty vehicles to choose from! Show off your creativity, make your own puzzles, and find an endless variety of levels made by other players! 
We went above and beyond this time, crafting a custom physics engine optimized and fine-tuned specifically for bridge simulations.
Now your bridges can be even more flexible! Take on levels with some added cushion and bounce your way to victory with the new Spring material.
#YBR POLY BRIDGE PLUS#
About This Game The acclaimed bridge-building simulator is back and better than ever!New levels, new mechanics, a custom physics engine, workshop campaigns, and much more! Rediscover your engineering creativity with even more hours of puzzling fun!Īdrian Talens returns with a new full-length Soundtrack! Relax to the soothing and critically acclaimed music with 13 completely new tracks plus 18 of the original Poly Bridge songs remastered! Enjoy over an hour and a half of the familiar and gentle acoustic guitar rhythms.
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