132 lines
7.8 KiB
XML
132 lines
7.8 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Line2D" inherits="Node2D" version="3.5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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A 2D line.
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</brief_description>
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<description>
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A line through several points in 2D space. Supports varying width and color over the line's length, texturing, and several cap/joint types.
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[b]Note:[/b] By default, Godot can only draw up to 4,096 polygon points at a time. To increase this limit, open the Project Settings and increase [member ProjectSettings.rendering/limits/buffers/canvas_polygon_buffer_size_kb] and [member ProjectSettings.rendering/limits/buffers/canvas_polygon_index_buffer_size_kb].
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</description>
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<tutorials>
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<link title="Matrix Transform Demo">https://godotengine.org/asset-library/asset/584</link>
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<link title="2.5D Demo">https://godotengine.org/asset-library/asset/583</link>
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</tutorials>
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<methods>
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<method name="add_point">
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<return type="void" />
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<argument index="0" name="position" type="Vector2" />
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<argument index="1" name="index" type="int" default="-1" />
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<description>
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Adds a point with the specified [code]position[/code] relative to the line's own position. Appends the new point at the end of the point list.
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If [code]index[/code] is given, the new point is inserted before the existing point identified by index [code]index[/code]. Every existing point starting from [code]index[/code] is shifted further down the list of points. The index must be greater than or equal to [code]0[/code] and must not exceed the number of existing points in the line. See [method get_point_count].
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</description>
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</method>
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<method name="clear_points">
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<return type="void" />
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<description>
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Removes all points from the line.
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</description>
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</method>
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<method name="get_point_count" qualifiers="const">
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<return type="int" />
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<description>
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Returns the amount of points in the line.
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</description>
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</method>
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<method name="get_point_position" qualifiers="const">
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<return type="Vector2" />
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<argument index="0" name="index" type="int" />
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<description>
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Returns the position of the point at index [code]index[/code].
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</description>
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</method>
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<method name="remove_point">
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<return type="void" />
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<argument index="0" name="index" type="int" />
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<description>
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Removes the point at index [code]index[/code] from the line.
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</description>
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</method>
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<method name="set_point_position">
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<return type="void" />
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<argument index="0" name="index" type="int" />
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<argument index="1" name="position" type="Vector2" />
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<description>
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Overwrites the position of the point at index [code]index[/code] with the supplied [code]position[/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="antialiased" type="bool" setter="set_antialiased" getter="get_antialiased" default="false">
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If [code]true[/code], the line's border will attempt to perform antialiasing by drawing thin OpenGL smooth lines on the line's edges.
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[b]Note:[/b] Line2D is not accelerated by batching if [member antialiased] is [code]true[/code].
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[b]Note:[/b] Due to how it works, built-in antialiasing will not look correct for translucent lines and may not work on certain platforms. As a workaround, install the [url=https://github.com/godot-extended-libraries/godot-antialiased-line2d]Antialiased Line2D[/url] add-on then create an AntialiasedLine2D node. That node relies on a texture with custom mipmaps to perform antialiasing. 2D batching is also still supported with those antialiased lines.
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</member>
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<member name="begin_cap_mode" type="int" setter="set_begin_cap_mode" getter="get_begin_cap_mode" enum="Line2D.LineCapMode" default="0">
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Controls the style of the line's first point. Use [enum LineCapMode] constants.
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</member>
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<member name="default_color" type="Color" setter="set_default_color" getter="get_default_color" default="Color( 0.4, 0.5, 1, 1 )">
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The line's color. Will not be used if a gradient is set.
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</member>
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<member name="end_cap_mode" type="int" setter="set_end_cap_mode" getter="get_end_cap_mode" enum="Line2D.LineCapMode" default="0">
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Controls the style of the line's last point. Use [enum LineCapMode] constants.
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</member>
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<member name="gradient" type="Gradient" setter="set_gradient" getter="get_gradient">
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The gradient is drawn through the whole line from start to finish. The default color will not be used if a gradient is set.
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</member>
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<member name="joint_mode" type="int" setter="set_joint_mode" getter="get_joint_mode" enum="Line2D.LineJointMode" default="0">
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The style for the points between the start and the end.
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</member>
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<member name="points" type="PoolVector2Array" setter="set_points" getter="get_points" default="PoolVector2Array( )">
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The points that form the lines. The line is drawn between every point set in this array. Points are interpreted as local vectors.
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</member>
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<member name="round_precision" type="int" setter="set_round_precision" getter="get_round_precision" default="8">
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The smoothness of the rounded joints and caps. Higher values result in smoother corners, but are more demanding to render and update. This is only used if a cap or joint is set as round.
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[b]Note:[/b] The default value is tuned for lines with the default [member width]. For thin lines, this value should be reduced to a number between [code]2[/code] and [code]4[/code] to improve performance.
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</member>
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<member name="sharp_limit" type="float" setter="set_sharp_limit" getter="get_sharp_limit" default="2.0">
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The direction difference in radians between vector points. This value is only used if [member joint_mode] is set to [constant LINE_JOINT_SHARP].
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</member>
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<member name="texture" type="Texture" setter="set_texture" getter="get_texture">
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The texture used for the line's texture. Uses [code]texture_mode[/code] for drawing style.
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</member>
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<member name="texture_mode" type="int" setter="set_texture_mode" getter="get_texture_mode" enum="Line2D.LineTextureMode" default="0">
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The style to render the [code]texture[/code] on the line. Use [enum LineTextureMode] constants.
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</member>
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<member name="width" type="float" setter="set_width" getter="get_width" default="10.0">
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The line's width.
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</member>
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<member name="width_curve" type="Curve" setter="set_curve" getter="get_curve">
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The line's width varies with the curve. The original width is simply multiply by the value of the Curve.
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</member>
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</members>
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<constants>
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<constant name="LINE_JOINT_SHARP" value="0" enum="LineJointMode">
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The line's joints will be pointy. If [code]sharp_limit[/code] is greater than the rotation of a joint, it becomes a bevel joint instead.
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</constant>
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<constant name="LINE_JOINT_BEVEL" value="1" enum="LineJointMode">
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The line's joints will be bevelled/chamfered.
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</constant>
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<constant name="LINE_JOINT_ROUND" value="2" enum="LineJointMode">
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The line's joints will be rounded.
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</constant>
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<constant name="LINE_CAP_NONE" value="0" enum="LineCapMode">
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Don't draw a line cap.
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</constant>
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<constant name="LINE_CAP_BOX" value="1" enum="LineCapMode">
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Draws the line cap as a box.
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</constant>
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<constant name="LINE_CAP_ROUND" value="2" enum="LineCapMode">
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Draws the line cap as a circle.
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</constant>
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<constant name="LINE_TEXTURE_NONE" value="0" enum="LineTextureMode">
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Takes the left pixels of the texture and renders it over the whole line.
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</constant>
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<constant name="LINE_TEXTURE_TILE" value="1" enum="LineTextureMode">
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Tiles the texture over the line. The texture must be imported with [b]Repeat[/b] enabled for it to work properly.
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</constant>
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<constant name="LINE_TEXTURE_STRETCH" value="2" enum="LineTextureMode">
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Stretches the texture across the line. Import the texture with [b]Repeat[/b] disabled for best results.
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</constant>
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</constants>
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</class>
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