

To design rigid bodies you must have triangles everywhere, in any direction. It may sound abstract, but in practice you will immediately see the result : anything that is not triangulated will fold. That means that no force opposes a change of angles between two beams connected to the same node. One important thing is that the interconnection of beams to nodes uses what is known as a ball joint. They are monodimensional - they have length, but no thinckness.Īlso, if you want to "dress" the chassis with a texture, you can "fill" any node triangle with a polygon (like the panels in geomag, but in RoR they deform like if they were made of rubber). For the physics engine they are massless and are composed of a spring and a damper, so their length can change depending on the forces it bears. Beams: (or rods): they interconnect nodes.For the physics engine, these nodes are the only concrete elements of the truck: they have a mass and can collide with other elements, but they are dimensionless. Nodes: these are the points of interconnection of rods (the same as the balls in Geomag).To build a truck in Rigs of rods, you need to design a structural chassis composed of a lattice of rods. Bridge Construction Set is a video game where you build and test bridges.Geomag is a real-world construction game that uses metallic balls and magnets.To grasp the idea, take a look at these games that use the same construction logic: But you could also assemble them to do a car, a bike, a giant robot, a boat, a plane, a building, a bridge, anything, and it would be simulated the same way. Assembling these elements to form the structure of a truck makes a truck. It only simulates a set of points, called Nodes interconnected by Beams. In fact, it does not simulates a truck at all.

Rigs of Rods uses a very unique way to simulate a truck. Other vehicle simulators use fake suspension, mesh-based vehicles with no mass distribution, predetermined damage from collisions, and approximated fuzzy-dice sway models. Rigs of Rods (RoR) is not your typical vehicle simulator. Converting old terrain to terrn2 format.
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