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Merge pull request #47032 from Calinou/doc-acos-atan-range

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Document the valid input range for `acos()` and `atan()`
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Rémi Verschelde 2021-03-15 20:59:14 +01:00 committed by GitHub
parent 8e293bac4e d359e159da
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doc/classes/@GlobalScope.xml
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@ -50,7 +50,7 @@
<argument index="0" name="x" type="float">
</argument>
<description>
Returns the arc cosine of [code]x[/code] in radians. Use to get the angle of cosine [code]x[/code].
Returns the arc cosine of [code]x[/code] in radians. Use to get the angle of cosine [code]x[/code]. [code]x[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method acos] will return [constant @GDScript.NAN].
[codeblock]
# c is 0.523599 or 30 degrees if converted with rad2deg(c)
c = acos(0.866025)
@ -63,7 +63,7 @@
<argument index="0" name="x" type="float">
</argument>
<description>
Returns the arc sine of [code]x[/code] in radians. Use to get the angle of sine [code]x[/code].
Returns the arc sine of [code]x[/code] in radians. Use to get the angle of sine [code]x[/code]. [code]x[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method asin] will return [constant @GDScript.NAN].
[codeblock]
# s is 0.523599 or 30 degrees if converted with rad2deg(s)
s = asin(0.5)