grid layout algorithm

grid_layout.hx

//grid layout snippet:

for(i in 0...cellCount) {

        var cell = cells[i];
        var xPos = (i % cols) * (cellWidth + colSpacing);
	var yPos = Math.floor(i / cols) * (cellHeight + rowSpacing);

        cell.x = xPos;
	cell.y = yPos;

}