# Py5Shape.bezier_vertex()

Specifies a `Py5Shape` object's vertex coordinates for Bezier curves.

## Examples

<div class="example-table">

<div class="example-row"><div class="example-cell-image">

![example picture for bezier_vertex()](/images/reference/Py5Shape_bezier_vertex_0.png)

</div><div class="example-cell-code">

```python
def setup():
    py5.size(100, 100, py5.P2D)
    s = py5.create_shape()
    s.begin_shape()
    s.no_fill()
    s.vertex(30, 20)
    s.bezier_vertex(80, 0, 80, 75, 30, 75)
    s.end_shape()
    py5.shape(s)
```

</div></div>

<div class="example-row"><div class="example-cell-image">

![example picture for bezier_vertex()](/images/reference/Py5Shape_bezier_vertex_1.png)

</div><div class="example-cell-code">

```python
def setup():
    py5.size(100, 100, py5.P2D)
    s = py5.create_shape()
    s.begin_shape()
    s.vertex(30, 20)
    s.bezier_vertex(80, 0, 80, 75, 30, 75)
    s.bezier_vertex(50, 80, 60, 25, 30, 20)
    s.end_shape()
    py5.shape(s)
```

</div></div>

</div>

## Description

Specifies a `Py5Shape` object's vertex coordinates for Bezier curves. Each call to `bezier_vertex()` defines the position of two control points and one anchor point of a Bezier curve, adding a new segment to a line or shape. The first time `bezier_vertex()` is used within a [](py5shape_begin_shape) call, it must be prefaced with a call to [](py5shape_vertex) to set the first anchor point. This method must be used between [](py5shape_begin_shape) and [](py5shape_end_shape) and only when there is no `MODE` parameter specified to [](py5shape_begin_shape).

Drawing 2D bezier curves requires using the `P2D` renderer and drawing 3D bezier curves requires using the `P3D` renderer. When drawing directly with `Py5Shape` objects, bezier curves do not work at all using the default renderer.

Underlying Processing method: PShape.bezierVertex

## Signatures

```python
bezier_vertex(
    x2: float,  # the x-coordinate of the 1st control point
    y2: float,  # the y-coordinate of the 1st control point
    x3: float,  # the x-coordinate of the 2nd control point
    y3: float,  # the y-coordinate of the 2nd control point
    x4: float,  # the x-coordinate of the anchor point
    y4: float,  # the y-coordinate of the anchor point
    /,
) -> None

bezier_vertex(
    x2: float,  # the x-coordinate of the 1st control point
    y2: float,  # the y-coordinate of the 1st control point
    z2: float,  # the z-coordinate of the 1st control point
    x3: float,  # the x-coordinate of the 2nd control point
    y3: float,  # the y-coordinate of the 2nd control point
    z3: float,  # the z-coordinate of the 2nd control point
    x4: float,  # the x-coordinate of the anchor point
    y4: float,  # the y-coordinate of the anchor point
    z4: float,  # the z-coordinate of the anchor point
    /,
) -> None
```

Updated on March 06, 2023 02:49:26am UTC