Abstract
Ocean wave simulation has a wide range of applications in movies, video games and training systems. Wind force is the main energy resource for generating ocean waves, which are the result of the interaction between wind and the ocean surface. While numerous methods to handle simulating oceans and other fluid phenomena have undergone rapid development during the past years in the field of computer graphic, few of them consider to construct ocean surface height field from the perspective of wind force driving ocean waves. We introduce wind force to the construction of the ocean surface height field through applying wind field data and wind-driven wave particles. Continual and realistic ocean waves result from the overlap of wind-driven wave particles, and a strategy was proposed to control these discrete wave particles and simulate an endless ocean surface. The results showed that the new method is capable of obtaining a realistic ocean scene under the influence of wind fields at real time rates.
Highlights
Ocean simulation techniques are widely applied in the fields of virtual reality, 3D video games and so forth
It should be clear that the the formation and propagation processes of ocean waves driven by wind force we mentioned is the simplication of the similar processes in physical environment
It means that the physical mechanism that wind force driving ocean waves is out of consideration in this paper, and physical-accurate model to simulate endless ocean surface in real time is impossible for current graphic hardware
Summary
Ocean simulation techniques are widely applied in the fields of virtual reality, 3D video games and so forth. While today’s ocean simulation techniques are highly realistic, presenting a simple and efficient approach to simulate realistic ocean scenes in real time remains a challenge. Some authors used the method of summing a series of periodic functions to represent an ocean surface [1,2,3,4]. While this method offers lower fidelity than subsequent methods of ocean simulation, it remains a choice for some programmers due to the merits of fast and stable computation, high controllability and inexpensive computation cost
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