Continuing the Processing.py series, this article demonstrates how to implement ’10 PRINT’ to create interesting line images. 10 PRINT is an old Commodore 64 one-line program written in BASIC that looks like this:
10 PRINT CHR$(205.5+RND(1)); : GOTO 10
For more information, see 10print.org.
For the previous entry in the Processing.py series, see this page:
Here is the Processing.py code to implement 10 PRINT:
x = 0 y = 0 spacing = 10 rand_point = 0.50 def setup(): size(400, 400) background(0) stroke(255) # stroke('#2C4AF0') # blue # stroke('#106A09') # green # stroke('#611ED6') # purple # strokeWeight(3) def draw(): global x, y, spacing, rand_point if (random(1) < rand_point): line(x, y, x+spacing, y+spacing) else: line(x, y+spacing, x+spacing, y) x += spacing if x > width: x = 0 y += spacing saveFrame("print10_21.gif")
Notes about this code:
draw()function in Processing.py acts like a continuous loop, similar to a Pygame main event loop
spacingvariable controls the length of the diagonal lines
background()variable controls the color of the background
stroke()variable controls the color of the lines
strokeWeight()variable controls the thickness of the lines
rand_pointis the sorting point at which each random number that is generated will be rendered as either a forward slash or a back slash.
By playing with all of these variables, it is possible to create a wide variety of outputs. For example: