Large-scale cloud scene drawing method
2014
The invention discloses a large-scale cloud scene drawing method which can be applied to the field of visual simulation. In order to simulate large-scale cloud scenes, modeling is conducted according to a multi-resolution-ratio moving grid method; a bounding box on the OBB level is established for an object participating in interaction in each simulated scene, the resolution ratio of a whole grid or part of the grid is automatically adjusted according to the distance between a viewpoint and the center of a simulation space and the distance between the viewpoint and each object about to interact, and finally the large-scale cloud scenes are drawn in real time. By the adoption of the method, the grid resolution ratio of the simulation space can be adaptively adjusted, the cloud scenes in different periods are drawn truly, under the condition that multiple rigid bodies participate in interaction, the large-scale cloud scenes can be drawn in real time, and simulation efficiency and the sense of reality and the sense of immersion in the real-time interactive process are improved.
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