void UpdatePoints()
{
mLinePrimitive.ClearVectors();
float width = mColumnWidth * mColumnCount;
float height = mRowWidth * mRowCount;
float currentY = 0;
for (int i = 0; i < mRowCount + 1; i++)
{
currentY = i * mRowWidth;
mLinePrimitive.Add(0, currentY);
mLinePrimitive.Add(width, currentY);
}
float currentX = 0;
for (int i = 0; i < mColumnCount + 1; i++)
{
currentX = i * mColumnWidth;
mLinePrimitive.Add(currentX, 0);
mLinePrimitive.Add(currentX, height);
}
}