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Extends wrapi/wrapf docs

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Chaosus 2019-06-25 09:36:10 +03:00
parent 6fbd045845
commit 4c137bebe8
1 changed files with 16 additions and 0 deletions
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modules/gdscript/doc_classes/@GDScript.xml
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@ -1241,6 +1241,16 @@
# infinite loop between 0.0 and 0.99
f = wrapf(f + 0.1, 0.0, 1.0)
[/codeblock]
[codeblock]
# infinite rotation (in radians)
angle = wrapf(angle + 0.1, 0.0, TAU)
[/codeblock]
Note: If you just want to wrap between 0.0 and [code]n[/code] (where [code]n[/code] is a positive float value) then it's better for performance to use [method fmod] method like [code]fmod(number, n)[/code].
The usage of [code]wrapf[/code] is more flexible than using the [method fmod] approach by giving the user a simple control over the minimum value. It also fully supports negative numbers, e.g.
[codeblock]
# infinite rotation (in radians)
angle = wrapf(angle + 0.1, -PI, PI)
[/codeblock]
</description>
</method>
<method name="wrapi">
@ -1267,6 +1277,12 @@
# infinite loop between 0 and 9
frame = wrapi(frame + 1, 0, 10)
[/codeblock]
Note: If you just want to wrap between 0 and [code]n[/code] (where [code]n[/code] is a positive integer value) then it's better for performance to use modulo operator like [code]number % n[/code].
The usage of [code]wrapi[/code] is more flexible than using the modulo approach by giving the user a simple control over the minimum value. It also fully supports negative numbers, e.g.
[codeblock]
# result is -2
var result = wrapi(-6, -5, -1)
[/codeblock]
</description>
</method>
<method name="yield">