void SetupMaterial( inout Material mat )
{
	vec2 coord = vTexCoord.st;
	vec2 dist = 2.*texture(warptex,vTexCoord.st).xy-1.;
	dist.y *= abs(mod(dist.x+timer*3.34536,4.)-2.)-1.;
	coord.y += dist.y*.12;
	dist = 2.*texture(warptex,vTexCoord.st*2.0).xy-1.;
	dist.y *= abs(mod(dist.x+timer*5.45363,4.)-2.)-1.;
	coord.y -= dist.y*.09;
	coord.y = clamp(coord.y,0.,1.);
	mat.Base = getTexel(coord);
	mat.Bright = vec4(1.);	// force fullbright
	mat.Normal = ApplyNormalMap(vTexCoord.st);
}