from cs1graphics import *

numLevels = 7                             # number of levels
bricksPerLevel = 10
unitSize = 12                             # the height of one level
ratio = 3
totalWidth = 3 * unitSize * (bricksPerLevel+1)
totalHeight = (numLevels+2) * unitSize
paper = Canvas(totalWidth, totalHeight)

# create levels from top to bottom
paper.setTitle('Another brick in the wall')
for level in range(numLevels):
    centerY = (level + 1.5) * unitSize
    leftmostX = unitSize * ratio
    for b in range(bricksPerLevel):
        brick = Rectangle(ratio*unitSize, unitSize)
        brick.setFillColor('firebrick')
        brick.move(leftmostX+b*ratio*unitSize, centerY)
        paper.add(brick)

paper.saveToFile('bricks.eps')