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Refactor baking code for Curve2D

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The main change is to caculate tangent directly from bezier curve, without going
through discretized polyline, avoiding pitfalls of discretization. A similar refacor
had been applied to Curve3D.

The test cases for Curve2D is updated, comparing floating point with is_equal_approxmiate()
instead of `==`, in order to avoid float precision problem.
This commit is contained in:
Yaohua Xiong
2022-11-24 20:43:34 +08:00
parent 8912f3e4a7
commit 91e9ad92f5
9 changed files with 221 additions and 142 deletions
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4
doc/classes/Vector2.xml
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@@ -93,7 +93,7 @@
<param index="2" name="end" type="Vector2" />
<param index="3" name="t" type="float" />
<description>
Returns the derivative at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bezier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points.
Returns the derivative at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bézier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points.
</description>
</method>
<method name="bezier_interpolate" qualifiers="const">
@@ -103,7 +103,7 @@
<param index="2" name="end" type="Vector2" />
<param index="3" name="t" type="float" />
<description>
Returns the point at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bezier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points.
Returns the point at the given [param t] on the [url=https://en.wikipedia.org/wiki/B%C3%A9zier_curve]Bézier curve[/url] defined by this vector and the given [param control_1], [param control_2], and [param end] points.
</description>
</method>
<method name="bounce" qualifiers="const">