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Adjustment- & shape parameters in shape declaration
Posted: Mon Mar 05, 2012 8:36 am
by DeFleur
Deriving from Documentation as well as examples in the Gallery I understand the number/natural parameters
in shapes declarations. Still I struggle with adjustment- and shape parameters in shape declarations and
haven't seen yet any examples thereof anywhere. It is possible to show examples in the documentation ?
And is tr really an abbreviation for transformation ?
Re: Adjustment- & shape parameters in shape declaration
Posted: Mon Mar 05, 2012 3:17 pm
by MtnViewJohn
Here is a shape parameter example. I will put it in the wiki too.
Code: Select all
startshape test
shape foo(number sz)
{
SQUARE [r 0..90 s sz]
}
shape curve(number scale, number turn, shape thingie)
{
thingie [] // invoke thingie with parameters already bound
curve(=) [[y 0.5 s scale r turn y 0.5]]
}
shape test {
curve(0.97, 3, foo(0.5)) [] // bind 0.5 to sz in shape foo here
}
Re: Adjustment- & shape parameters in shape declaration
Posted: Mon Mar 05, 2012 3:30 pm
by MtnViewJohn
Here is an adjustment parameter example. I forgot to put examples in the wiki.
tr and
transformation are not keywords in Context Free.
trans and
transform are the keywords used for inserting an adjustment variable or parameter into another adjustment.
Code: Select all
startshape test
shape foo(number sz)
{
SQUARE [r 0..90 s sz]
}
shape curve(adjustment change, shape thingie)
{
thingie[] // invoke thingie with parameters already bound
curve(=) [transform change]
}
shape test {
curve([[y 0.5 s 0.97 r 3 y 0.5]], foo(0.5)) [] // bind 0.5 to sz here
}
Re: Adjustment- & shape parameters in shape declaration
Posted: Tue Mar 06, 2012 6:24 am
by DeFleur
Appreciate posted examples and food for thoughts.