Methods for Visualization of Trees
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As part of outdoor scenes, trees are important in a lot of computer games today. Still, their high complexity and tiny details make real-time rendering a challenge. This thesis looks at the possibilities for generating and rendering realistic trees in real-time on modern graphics hardware, with focus on tree stems. By the use of known methods, we describe an approach to automate the process of modelling trees by parametric generation and make use of state-of-the-art hardware to refine and render these trees. A course polygon mesh of a tree stem is made from a set of parameters, and this course polygon mesh is further subdivided in real-time on the GPU. An implementation of the proposed approach shows promising results, both in terms of performance and visual quality.