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206 lines
8.2 KiB
XML
206 lines
8.2 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Rect2i" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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2D axis-aligned bounding box using integer coordinates.
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</brief_description>
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<description>
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[Rect2i] consists of a position, a size, and several utility functions. It is typically used for fast overlap tests.
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It uses integer coordinates. If you need floating-point coordinates, use [Rect2] instead.
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Negative values for [member size] are not supported and will not work for most methods. Use [method abs] to get a Rect2i with a positive size.
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</description>
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<tutorials>
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<link title="Math documentation index">$DOCS_URL/tutorials/math/index.html</link>
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<link title="Vector math">$DOCS_URL/tutorials/math/vector_math.html</link>
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</tutorials>
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<constructors>
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<constructor name="Rect2i">
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<return type="Rect2i" />
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<description>
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Constructs a default-initialized [Rect2i] with default (zero) values of [member position] and [member size].
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</description>
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</constructor>
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<constructor name="Rect2i">
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<return type="Rect2i" />
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<argument index="0" name="from" type="Rect2i" />
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<description>
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Constructs a [Rect2i] as a copy of the given [Rect2i].
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</description>
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</constructor>
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<constructor name="Rect2i">
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<return type="Rect2i" />
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<argument index="0" name="from" type="Rect2" />
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<description>
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Constructs a new [Rect2i] from [Rect2]. The floating point coordinates will be truncated.
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</description>
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</constructor>
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<constructor name="Rect2i">
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<return type="Rect2i" />
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<argument index="0" name="position" type="Vector2i" />
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<argument index="1" name="size" type="Vector2i" />
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<description>
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Constructs a [Rect2i] by position and size.
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</description>
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</constructor>
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<constructor name="Rect2i">
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<return type="Rect2i" />
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<argument index="0" name="x" type="int" />
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<argument index="1" name="y" type="int" />
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<argument index="2" name="width" type="int" />
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<argument index="3" name="height" type="int" />
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<description>
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Constructs a [Rect2i] by x, y, width, and height.
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</description>
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</constructor>
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</constructors>
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<methods>
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<method name="abs" qualifiers="const">
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<return type="Rect2i" />
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<description>
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Returns a [Rect2i] with equivalent position and area, modified so that the top-left corner is the origin and [code]width[/code] and [code]height[/code] are positive.
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</description>
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</method>
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<method name="encloses" qualifiers="const">
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<return type="bool" />
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<argument index="0" name="b" type="Rect2i" />
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<description>
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Returns [code]true[/code] if this [Rect2i] completely encloses another one.
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</description>
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</method>
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<method name="expand" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="to" type="Vector2i" />
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<description>
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Returns a copy of this [Rect2i] expanded so that the borders align with the given point.
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[codeblocks]
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[gdscript]
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# position (-3, 2), size (1, 1)
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var rect = Rect2i(Vector2i(-3, 2), Vector2i(1, 1))
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# position (-3, -1), size (3, 4), so we fit both rect and Vector2i(0, -1)
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var rect2 = rect.expand(Vector2i(0, -1))
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[/gdscript]
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[csharp]
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# position (-3, 2), size (1, 1)
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var rect = new Rect2i(new Vector2i(-3, 2), new Vector2i(1, 1));
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# position (-3, -1), size (3, 4), so we fit both rect and Vector2i(0, -1)
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var rect2 = rect.Expand(new Vector2i(0, -1));
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[/csharp]
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[/codeblocks]
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</description>
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</method>
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<method name="get_area" qualifiers="const">
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<return type="int" />
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<description>
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Returns the area of the [Rect2i]. See also [method has_no_area].
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</description>
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</method>
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<method name="get_center" qualifiers="const">
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<return type="Vector2i" />
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<description>
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Returns the center of the [Rect2i], which is equal to [member position] + ([member size] / 2).
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If [member size] is an odd number, the returned center value will be rounded towards [member position].
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</description>
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</method>
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<method name="grow" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="amount" type="int" />
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<description>
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Returns a copy of the [Rect2i] grown by the specified [code]amount[/code] on all sides.
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</description>
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</method>
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<method name="grow_individual" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="left" type="int" />
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<argument index="1" name="top" type="int" />
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<argument index="2" name="right" type="int" />
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<argument index="3" name="bottom" type="int" />
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<description>
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Returns a copy of the [Rect2i] grown by the specified amount on each side individually.
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</description>
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</method>
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<method name="grow_side" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="side" type="int" />
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<argument index="1" name="amount" type="int" />
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<description>
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Returns a copy of the [Rect2i] grown by the specified [code]amount[/code] on the specified [enum Side].
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</description>
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</method>
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<method name="has_no_area" qualifiers="const">
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<return type="bool" />
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<description>
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Returns [code]true[/code] if the [Rect2i] is flat or empty, [code]false[/code] otherwise. See also [method get_area].
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[b]Note:[/b] If the [Rect2i] has a negative size and is not flat or empty, [method has_no_area] will return [code]true[/code].
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</description>
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</method>
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<method name="has_point" qualifiers="const">
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<return type="bool" />
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<argument index="0" name="point" type="Vector2i" />
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<description>
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Returns [code]true[/code] if the [Rect2i] contains a point. By convention, the right and bottom edges of the [Rect2i] are considered exclusive, so points on these edges are [b]not[/b] included.
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[b]Note:[/b] This method is not reliable for [Rect2i] with a [i]negative size[/i]. Use [method abs] to get a positive sized equivalent rectangle to check for contained points.
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</description>
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</method>
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<method name="intersection" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="b" type="Rect2i" />
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<description>
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Returns the intersection of this [Rect2i] and [code]b[/code].
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If the rectangles do not intersect, an empty [Rect2i] is returned.
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</description>
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</method>
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<method name="intersects" qualifiers="const">
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<return type="bool" />
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<argument index="0" name="b" type="Rect2i" />
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<description>
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Returns [code]true[/code] if the [Rect2i] overlaps with [code]b[/code] (i.e. they have at least one point in common).
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If [code]include_borders[/code] is [code]true[/code], they will also be considered overlapping if their borders touch, even without intersection.
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</description>
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</method>
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<method name="merge" qualifiers="const">
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<return type="Rect2i" />
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<argument index="0" name="b" type="Rect2i" />
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<description>
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Returns a larger [Rect2i] that contains this [Rect2i] and [code]b[/code].
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</description>
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</method>
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</methods>
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<members>
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<member name="end" type="Vector2i" setter="" getter="" default="Vector2i(0, 0)">
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Ending corner. This is calculated as [code]position + size[/code]. Setting this value will change the size.
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</member>
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<member name="position" type="Vector2i" setter="" getter="" default="Vector2i(0, 0)">
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Beginning corner. Typically has values lower than [member end].
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</member>
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<member name="size" type="Vector2i" setter="" getter="" default="Vector2i(0, 0)">
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Size from [member position] to [member end]. Typically, all components are positive.
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If the size is negative, you can use [method abs] to fix it.
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</member>
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</members>
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<operators>
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<operator name="operator !=">
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<return type="bool" />
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<description>
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</description>
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</operator>
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<operator name="operator !=">
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<return type="bool" />
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<argument index="0" name="right" type="Rect2i" />
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<description>
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Returns [code]true[/code] if the rectangles are not equal.
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</description>
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</operator>
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<operator name="operator ==">
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<return type="bool" />
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<description>
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</description>
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</operator>
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<operator name="operator ==">
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<return type="bool" />
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<argument index="0" name="right" type="Rect2i" />
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<description>
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Returns [code]true[/code] if the rectangles are equal.
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</description>
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</operator>
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</operators>
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</class>
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