Two Rectangles (200x100) are placed one above the other. The upper one has a Material2D withh its emissiveColor being routed to from a ColorInterpolator whose set_fraction is updated by a replace field BIFS command. The lower one has a Material2D whose color is updated directly by replace field commands, timed to occur at the same time as the set_fraction replace commands on the interpolator. The lower emissiveColor is pre-computed and sent in the replace field command. The upper emissiveColor will be computed by the interpolator. The colors of these two rectangles should be the same at all times.
To keep track of the test a status line at the top shows the test number and two smaller rectangles that are the color pair between which the color interpolation is being tested.
Snapshot taken during color interpolation.
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