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General

The methods and attributes in this category apply to–and can be used by–nearly every expression in After Effects.

These global, top-level elements have been grouped into several categories for the sake of organization.

Those categories are:

  • Global is for broad, commonly-used elements such as the current comp or property; the current comp time, and so on.
  • Time Conversion holds various methods for converting time to and from various other methods.
  • Vector Math provides a suite of methods for working with vectors and arrays.
  • Random Numbers is for generating randomness within your expression.
  • Interpolation is for converting values from one set to another, or using one set of values to drive another set of values.
  • Color Conversion is for changing between colour modes (such as converting RGB values to HSL, or Hex values to RGB)
  • Other Math is for all other assorted math– namely, converting between degrees and radians for rotation values.