To calculate a shape color representing fluctuations of shades projected on the surface of a body shape by the varying light source such as a flame, which varies in position and light quantity with time.
The device is equipped with a means, which generates projection surfaces S for calculation, which are normalized on the basis of the positions of individual flame particles (f) constituting the varying light source as reference points, by the flame particles (f) and projects a body shape W on the projection surfaces S, a means, which sets distribution coefficients of radiation energy from the flame particles (f) by pixels so that the values decrease with the distances from the intersections K of perpendiculars from the reference points as origins, a means, which calculates the photodetection energy on the surface of a wall W in units of polygons obtained by dividing the shape from the distribution coefficients set for the respective pixels and the virtual energy of the flame particles (f) on the reference points, and a means, which calculates the shape color by the polygons from the photodetection energy, and the colors of the flame particles and the color of the wall.
IINUMA TERUAKI
YAMAJI MASATAKA
SATO AKIRA
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