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Built-in GDScript functions.
List of core built-in GDScript functions. Math functions and other utilities. Everything else is provided by objects. (Keywords: builtin, built in, global functions.)
Returns a color constructed from integer red, green, blue, and alpha channels. Each channel should have 8 bits of information ranging from 0 to 255.
[code]r8[/code] red channel
[code]g8[/code] green channel
[code]b8[/code] blue channel
[code]a8[/code] alpha channel
[codeblock]
red = Color8(255, 0, 0)
[/codeblock]
Returns a color according to the standardized [code]name[/code] with [code]alpha[/code] ranging from 0 to 1.
[codeblock]
red = ColorN("red", 1)
[/codeblock]
Supported color names are the same as the constants defined in [Color].
Returns the absolute value of parameter [code]s[/code] (i.e. positive value).
[codeblock]
a = abs(-1) # a is 1
[/codeblock]
Returns the arc cosine of [code]s[/code] in radians. Use to get the angle of cosine [code]s[/code]. [code]s[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method acos] will return [constant NAN].
[codeblock]
# c is 0.523599 or 30 degrees if converted with rad2deg(s)
c = acos(0.866025)
[/codeblock]
Returns the arc sine of [code]s[/code] in radians. Use to get the angle of sine [code]s[/code]. [code]s[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method asin] will return [constant NAN].
[codeblock]
# s is 0.523599 or 30 degrees if converted with rad2deg(s)
s = asin(0.5)
[/codeblock]
Asserts that the [code]condition[/code] is [code]true[/code]. If the [code]condition[/code] is [code]false[/code], an error is generated. When running from the editor, the running project will also be paused until you resume it. This can be used as a stronger form of [method push_error] for reporting errors to project developers or add-on users.
[b]Note:[/b] For performance reasons, the code inside [method assert] is only executed in debug builds or when running the project from the editor. Don't include code that has side effects in an [method assert] call. Otherwise, the project will behave differently when exported in release mode.
The optional [code]message[/code] argument, if given, is shown in addition to the generic "Assertion failed" message. You can use this to provide additional details about why the assertion failed.
[codeblock]
# Imagine we always want speed to be between 0 and 20.
var speed = -10
assert(speed < 20) # True, the program will continue
assert(speed >= 0) # False, the program will stop
assert(speed >= 0 and speed < 20) # You can also combine the two conditional statements in one check
assert(speed < 20, "speed = %f, but the speed limit is 20" % speed) # Show a message with clarifying details
[/codeblock]
Returns the arc tangent of [code]s[/code] in radians. Use it to get the angle from an angle's tangent in trigonometry: [code]atan(tan(angle)) == angle[/code].
The method cannot know in which quadrant the angle should fall. See [method atan2] if you have both [code]y[/code] and [code]x[/code].
[codeblock]
a = atan(0.5) # a is 0.463648
[/codeblock]
Returns the arc tangent of [code]y/x[/code] in radians. Use to get the angle of tangent [code]y/x[/code]. To compute the value, the method takes into account the sign of both arguments in order to determine the quadrant.
Important note: The Y coordinate comes first, by convention.
[codeblock]
a = atan2(0, -1) # a is 3.141593
[/codeblock]
Decodes a byte array back to a value. When [code]allow_objects[/code] is [code]true[/code] decoding objects is allowed.
[b]WARNING:[/b] Deserialized object can contain code which gets executed. Do not use this option if the serialized object comes from untrusted sources to avoid potential security threats (remote code execution).

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  2. Rebel Engine API
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Returns the arc cosine of [code]s[/code] in radians. Use to get the angle of cosine [code]s[/code]. [code]s[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method acos] will return [constant NAN].
[codeblock]
# c is 0.523599 or 30 degrees if converted with rad2deg(s)
c = acos(0.866025)
[/codeblock]
Returns the arc cosine of [code]s[/code] in radians. Use to get the angle of cosine [code]s[/code]. [code]s[/code] must be between [code]-1.0[/code] and [code]1.0[/code] (inclusive), otherwise, [method acos] will return [constant NAN].
[codeblock]
# c is 0.523599 or 30 degrees if converted with rad2deg(s)
c = acos(0.866025)
[/codeblock]
5 months ago
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read-only
Source string location
modules/gdscript/docs/@GDScript.xml
String age
5 months ago
Last updated
5 months ago
Source string age
5 months ago
Translation file
translations/api.pot, string 16