Real-Time Vehicle Trails in Deformable Terrain
Abstract: One way to make racing games more realistic is to have the vehicles in the game deform the terrain and leave permanent trails when driving them. This master thesis presents algorithms and theories about generating those trails behind the vehicles in real-time applications. The proposed trail system is based on Bézier curves to represent and store the path of the trails. All the steps in the algorithm needed to create the trail and handle some of the edge cases are explained in detail. The game called Snow Moto Racing Freedom by Zordix, which is used for testing and implementing the solutions, is covered as well. The finished trail system has both been implemented as a CPU and as a GPU based version, where the two implementations have been tested to see which one is the most effective in the game used. The report is summarized with a list of extensions which can be used to further develop and enhance the trail system. It ends with a summary of the project as a whole with some advices for a similar projects.
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