Source Academy Modules
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    Module rune_in_words

    The module rune_in_words provides functions for computing with runes using text instead of graphics.

    A Rune is defined by its vertices (x,y,z,t), the colors on its vertices (r,g,b,a), a transformation matrix for rendering the Rune and a (could be empty) list of its sub-Runes. In this module, runes are represented as strings that approximate the way they are created. No graphical output is generated.

    Martin Henz

    Variables - Primitive

    blank
    circle
    corner
    heart
    nova
    pentagram
    rcross
    ribbon
    sail
    square
    triangle

    Functions - Color

    black
    blue
    brown
    color
    green
    indigo
    orange
    pink
    purple
    random_color
    red
    white
    yellow

    Functions - Main

    anaglyph
    beside
    beside_frac
    flip_horiz
    flip_vert
    from_url
    hollusion
    make_cross
    overlay
    overlay_frac
    quarter_turn_left
    quarter_turn_right
    repeat_pattern
    rotate
    scale
    scale_independent
    show
    stack
    stackn
    stack_frac
    translate
    turn_upside_down