public static int[] getShades(short colix)
{
colix &= NuGraphics3D.OPAQUE_MASK;
int[] shades = ashades[colix];
if (shades == null)
{
shades = ashades[colix] = Shade3D.getShades(argbs[colix], false);
}
return(shades);
}
public static int[] getShadesGreyscale(short colix)
{
colix &= NuGraphics3D.OPAQUE_MASK;
if (ashadesGreyscale == null)
{
ashadesGreyscale = new int[ashades.Length][];
}
int[] shadesGreyscale = ashadesGreyscale[colix];
if (shadesGreyscale == null)
{
shadesGreyscale = ashadesGreyscale[colix] = Shade3D.getShades(argbs[colix], true);
}
return(shadesGreyscale);
}
public static int[] getShades(int rgb, bool greyScale)
{
int[] shades = new int[shadeMax];
int red = (rgb >> 16) & 0xFF;
int grn = (rgb >> 8) & 0xFF;
int blu = rgb & 0xFF;
float ambientRange = 1 - ambientFraction;
shades[shadeNormal] = Shade3D.rgb(red, grn, blu);
for (int i = 0; i < shadeNormal; ++i)
{
float fraction = ambientFraction + ambientRange * i / shadeNormal;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
shades[i] = Shade3D.rgb((int)(red * fraction + 0.5f), (int)(grn * fraction + 0.5f), (int)(blu * fraction + 0.5f));
}
int nSteps = shadeMax - shadeNormal - 1;
float redRange = (255 - red) * intenseFraction;
float grnRange = (255 - grn) * intenseFraction;
float bluRange = (255 - blu) * intenseFraction;
for (int i = 1; i <= nSteps; ++i)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
shades[shadeNormal + i] = Shade3D.rgb(red + (int)(redRange * i / nSteps + 0.5f), grn + (int)(grnRange * i / nSteps + 0.5f), blu + (int)(bluRange * i / nSteps + 0.5f));
}
if (greyScale)
{
for (int i = shadeMax; --i >= 0;)
{
shades[i] = NuGraphics3D.calcGreyscaleRgbFromRgb(shades[i]);
}
}
return(shades);
}
