Repeat OSL statements for a particular number of iterations.
of offering a procedural map in open shading language,…let's add a four loop to repeat…this noise pattern multiple times…and add the results together.…The first order of business is to create…a couple of variables in the statements of our code…in order to keep track of the current frequency…and the current amplitude of the noise…We previously created a point variable…which was used to scale the incoming coordinates…according to the user input parameter base wavelength.…
Right after that line, let's create a new variable…which is going to be a float.…And we'll call it currentfreq, or current frequency,…and set it equal to a value of 1.0…and close that line with a semicolon,…add another carriage return…and create another float variable…and call it currentAmp or current amplitude.…And its starting value or initializing value…will be the base amplitude,…which is the user input parameter…that we previously created, here it is.…
Base amplitude, select that,…and we can right click and copy it,…and then down here paste it as the initializing value…
AuthorAaron F. Ross
Skill Level Intermediate
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