== Contents ==
 * Processing
 * Grammar
== Processing ==
 * JAVA 기반 언어

== Grammar ==
 * Referance: https://processing.org/reference/
  Shape
    Point
      Return type is void.
      x, y, z => float
      point(x,y)    2D
      point(x,y,z)  3D
    Line
      Return type is void.
      x, y, z => float
      line(x1,y1, x2,y2)       2D
      line(x1,y1,z1, x2,y2,z2) 3D
    Rectange:
= Shape =
== Source Code ==