NavigationPolygon descriptions of the class and methods
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<?xml version="1.0" encoding="UTF-8" ?>
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<class name="NavigationPolygon" inherits="Resource" category="Core" version="3.1">
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<brief_description>
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A node that has methods to draw outlines or use indices of vertices to create navigation polygons.
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</brief_description>
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<description>
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There are two ways to create polygons. Either by using the [method add_outline] method or using the [method add_polygon] method.
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Using [method add_outline]:
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[code]
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var polygon = NavigationPolygon.new()
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var outline = PoolVector2Array([Vector2(0, 0), Vector2(0, 50), Vector2(50, 50), Vector2(50, 0)])
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polygon.add_outline(outline)
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polygon.make_polygons_from_outlines()
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$NavigationPolygonInstance.navpoly = polygon
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[/code]
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Using [method add_polygon] and indices of the vertices array.
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[code]
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var polygon = NavigationPolygon.new()
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var vertices = PoolVector2Array([Vector2(0, 0), Vector2(0, 50), Vector2(50, 50), Vector2(50, 0)])
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polygon.set_vertices(vertices)
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var indices = PoolIntArray(0, 3, 1)
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polygon.add_polygon(indices)
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$NavigationPolygonInstance.navpoly = polygon
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[/code]
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</description>
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<tutorials>
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</tutorials>
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@ -15,6 +34,7 @@
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<argument index="0" name="outline" type="PoolVector2Array">
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</argument>
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<description>
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Appends a [PoolVector2Array] that contains the vertices of an outline to the internal array that contains all the outlines. You have to call [method make_polygons_from_outlines] in order for this array to be converted to polygons that the engine will use.
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</description>
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</method>
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<method name="add_outline_at_index">
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@ -25,6 +45,7 @@
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<argument index="1" name="index" type="int">
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</argument>
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<description>
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Adds a [PoolVector2Array] that contains the vertices of an outline to the internal array that contains all the outlines at a fixed position. You have to call [method make_polygons_from_outlines] in order for this array to be converted to polygons that the engine will use.
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</description>
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</method>
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<method name="add_polygon">
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@ -33,18 +54,21 @@
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<argument index="0" name="polygon" type="PoolIntArray">
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</argument>
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<description>
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Adds a polygon using the indices of the vertices you get when calling [method get_vertices].
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</description>
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</method>
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<method name="clear_outlines">
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<return type="void">
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</return>
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<description>
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Clears the array of the outlines, but it doesn't clear the vertices and the polygons that were created by them.
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</description>
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</method>
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<method name="clear_polygons">
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<return type="void">
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</return>
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<description>
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Clears the array of polygons, but it doesn't clear the array of outlines and vertices.
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</description>
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</method>
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<method name="get_outline" qualifiers="const">
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@ -53,12 +77,14 @@
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<argument index="0" name="idx" type="int">
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</argument>
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<description>
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Returns a [PoolVector2Array] containing the vertices of an outline that was created in the editor or by script.
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</description>
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</method>
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<method name="get_outline_count" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the number of outlines that were created in the editor or by script.
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</description>
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</method>
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<method name="get_polygon">
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@ -67,24 +93,28 @@
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<argument index="0" name="idx" type="int">
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</argument>
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<description>
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Returns a [PoolIntArray] containing the indices of the vertices of a created polygon.
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</description>
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</method>
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<method name="get_polygon_count" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the count of all polygons.
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</description>
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</method>
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<method name="get_vertices" qualifiers="const">
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<return type="PoolVector2Array">
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</return>
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<description>
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Returns a [PoolVector2Array] containing all the vertices being used to create the polygons.
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</description>
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</method>
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<method name="make_polygons_from_outlines">
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<return type="void">
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</return>
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<description>
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Creates polygons from the outlines added in the editor or by script.
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</description>
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</method>
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<method name="remove_outline">
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@ -93,6 +123,7 @@
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<argument index="0" name="idx" type="int">
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</argument>
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<description>
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Removes an outline created in the editor or by script. You have to call [method make_polygons_from_outlines] for the polygons to update.
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</description>
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</method>
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<method name="set_outline">
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<argument index="1" name="outline" type="PoolVector2Array">
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</argument>
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<description>
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Changes an outline created in the editor or by script. You have to call [method make_polygons_from_outlines] for the polygons to update.
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</description>
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</method>
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<method name="set_vertices">
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@ -111,6 +143,7 @@
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<argument index="0" name="vertices" type="PoolVector2Array">
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</argument>
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<description>
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Sets the vertices that can be then indexed to create polygons with the [method add_polygon] method.
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</description>
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</method>
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</methods>
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