example pygame generator

pygame_generator.py

def fetch_tiles(startColumn, endColumn, rows=20):
    tilesToDraw = tiles[0:rows, startColumn:endColumn]
    for rowCount, row in enumerate(tilesToDraw):
        for columnCount, column in enumerate(row):
            yield rowCount, columnCount

# Draw the tile array to the screen
def drawScreenTiles(tiles, pixelsScrolled, levelPosition):
    startColumn = levelPosition / tileSize
    endColumn = startColumn + (screenWidth / tileSize) + 1

    tilesToDraw = tiles[0:20, startColumn:endColumn]

    print(startColumn)
    print(endColumn)

    for rowCount, columnCount in fetch_tiles(startColumn, endColumn):
        screen.blit(spriteSheet, (columnCount * tileSize - pixelsScrolled, rowCount * tileSize), getTile(62))