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Move rotation sampling from Path2D to Curve2D

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The rotation sampling code is moved from Path2D to a new method
`sample_baked_with_rotation` on Curve2D.
This commit is contained in:
Yaohua Xiong
2022-08-05 17:03:00 +08:00
parent c29fe310f1
commit 399c2a8dea
4 changed files with 64 additions and 39 deletions
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16
doc/classes/Curve2D.xml
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@ -102,6 +102,22 @@
Cubic interpolation tends to follow the curves better, but linear is faster (and often, precise enough).
</description>
</method>
<method name="sample_baked_with_rotation" qualifiers="const">
<return type="Transform2D" />
<param index="0" name="offset" type="float" />
<param index="1" name="cubic" type="bool" default="false" />
<param index="2" name="loop" type="bool" default="true" />
<param index="3" name="lookahead" type="float" default="4.0" />
<description>
Similar to [method sample_baked], but returns [Transform2D] that includes a rotation along the curve. Returns empty transform if length of the curve is [code]0[/code].
Use [param loop] to smooth the tangent at the end of the curve. [param lookahead] defines the distance to a nearby point for calculating the tangent vector.
[codeblock]
var transform = curve.sample_baked_with_rotation(offset)
position = transform.get_origin()
rotation = transform.get_rotation()
[/codeblock]
</description>
</method>
<method name="samplef" qualifiers="const">
<return type="Vector2" />
<param index="0" name="fofs" type="float" />