Method and equipment for simulating rain drops on window glass and wiping effect of windscreen wiper in rainy days

Abstract

The invention discloses a method and equipment for simulating rain drops of window glass and wiping effect of a windscreen wiper in rainy days, and the method comprises the steps: building a three-dimensional space model of a vehicle windscreen, putting the model into a uv coordinate system, cutting the model into a plurality of equant grids, and taking each grid as a coordinate system for drawing water drops; fitting a noise function, a pull-up function and a motion curve function, calculating a pull-up value of an X axis and a motion value of a y axis for a water drop, calculating a water drop coordinate and a pixel deviation value, calculating a trailing water drop coordinate and a pixel deviation value, and superposing the coordinates and the pixel deviation value into a pixel deviation value; performing offset sampling on the original image to obtain a water drop sliding image, and performing fuzzy algorithm processing to obtain a simulated water vapor effect image; calculating two radian distance fields, and superposing the two radian distance fields into one radian distance field; and mixing the simulated water vapor effect image and the original image through a radian distance field to obtain a final simulated effect image. The simulation reality sense is greatly improved, simulation is easily and quickly deployed, the effect is better, and the efficiency is better.

Description

technical field [0001] The invention relates to a method and equipment for simulating the effect of raindrops on window glass and wipers in rainy days, and belongs to the technical field of automobile driving simulation. Background technique [0002] A car driving simulator is a simulation system that can simulate car driving. The current car driving simulator is a simulation technology integrating 3D real-time animation, artificial intelligence, data communication, network, multimedia, machinery and other technologies. It is mainly used for the training of students preparing to take the driving test; it can be used for emergency deduction , reduce the investment cost of emergency deduction, increase the training time of deduction, thereby ensuring people's coping skills in the face of accidents and disasters, and can break the limitation of space and conveniently organize personnel from all over the world to conduct deduction. Such cases have been applied and will definitel...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the present invention provides a method and equipment for simulating the raindrops on the window glass in rainy days and the scraping effect of the wiper, so as to solve the water mark effect when the raindrops cannot be produced when simulating the rainy weather in the prior art. And the scratch effect of the wiper, and the problem of the water vapor blur effect generated by no rain

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