mediump float MaxTexturelinePotential = tCornerRadius + gPotentialRange;
mediump float MinTexturelinePotential = tCornerRadius - gPotentialRange;
if(potential > MaxTexturelinePotential)
mediump float MaxTexturelinePotential = tCornerRadius + gPotentialRange;
mediump float MinTexturelinePotential = tCornerRadius - gPotentialRange;
if(potential > MaxTexturelinePotential)