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It has three different modes, namely Scenarios, Free Roam, and Campaign. 8000, damper is a Single-player, and Multiplayer Vehicle Simulation developed and published by BeamNG GmbH. So this is an simple way to handle the point-plane collision. A coefficient smaller than 1 to represent the energy loss could be applied to the reverted velocity.
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When the particle and the plane are collided, the system would revert the normal component of the velocity.
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These springs can prevent the cube from excessive shearing. Shearing Springs connect from each particle to its 20 diagonal neighbors. These springs establish the basic structure of the cube. Structural Springs connect from each particle to its 6 adjacent neighbors, including up, down, left, right, forward, backward. Then, the images below shows each kind of the springs connected between particles. In this simulation, it took 1000 particles to form a 10x10x10 cube. Mass-Spring SystemĪs the image above, these particles constructs the cube. This is a simple approach to simulate solid deformable objects.įinally, because it’s a plane there, I also used a simple method to resolve the point-plane collision detection, which can bounce back the cube to the air. In this case, I implemented Explicit Euler Method and Runge-Kutta 4th-Order Method to solve the differential equations. With these particles and springs, we can integrate the spring forces and damper forces to estimate the next positions for each particle. The cube is constructed by a set of particles, which are connected with 3 kinds of springs. For all the videos of result, please check out the last section. This project simulates a flexible cube falling on the floor, using a framework developed with C++ and OpenGL by GPLab, NCTU.