colorOverlay static method
color(1 - scale) - color * scale
Implementation
static List<double> colorOverlay(
double red, double green, double blue, double scale) {
return <double>[
(1 - scale),
0,
0,
0,
-1 * red * scale,
0,
(1 - scale),
0,
0,
-1 * green * scale,
0,
0,
(1 - scale),
0,
-1 * blue * scale,
0,
0,
0,
1,
0
];
}