Refraction example vector illustration diagram. Light angle change in other substance. Incident and refracted ray scheme. Visual illusion effect in the liquid. Educational physics study information.

glslViewer color_lut.frag assets/danny.png assets/square_01.png -w 1080 -h 1080 --headless -E screenshot,images/color_lut.jpg glslViewer color_dither.frag -w 1080 -h ...

To demonstrate a quick way of calculating the optical difference between two refractions using vector analysis, and to express this as a score for examination purposes. An existing formula is applied, ...