// RAINBOWS

void SetupMaterial( inout Material mat )
{
	vec4 base = getTexel(vTexCoord.st);
	base.r = .5+.5*sin(base.r*5.+10.8*timer);
	base.g = .5+.5*sin(base.g*5.+11.6*timer);
	base.b = .5+.5*sin(base.b*5.+12.1*timer);
	mat.Base = base;
	mat.Normal = ApplyNormalMap(vTexCoord.st);
}