public override void ModifyMesh(VertexHelper helper)
{
if (!IsActive() || helper.currentVertCount == 0)
{
return;
}
UIVertex v = new UIVertex();
xMin = xMin = yMin = yMax = 0;
for (int i = 0; i < helper.currentVertCount; i++)
{
helper.PopulateUIVertex(ref v, i);
if (v.position.y <= yMin)
{
yMin = v.position.y;
}
if (v.position.y >= yMax)
{
yMax = v.position.y;
}
if (v.position.x <= xMin)
{
xMin = v.position.x;
}
if (v.position.x >= xMax)
{
xMax = v.position.x;
}
}
for (int i = 0; i < helper.currentVertCount; i++)
{
helper.PopulateUIVertex(ref v, i);
v.color = ColorUtil.BilinearColor(BottonLeft, BottonRight, TopLeft, TopRight,
v.position.x.Remap(xMin, xMax, 0, 1), v.position.y.Remap(yMin, yMax, 0, 1));
helper.SetUIVertex(v, i);
}
}