# wave()
## Example
```python
def draw():
...
y = wave(0,height,10)
circle(200,y,20)
```
```python
def draw():
...
y = wave(0,height,10)
x = x + 1
circle(x,y,20)
```
### Syntax
```python
wave(edge1, edge2, speed)
```
Input
Description
edge1
value for the start/first limit of the wave motion
edge2
value for the end/second limit of the wave motion
speed
the speed of wave motion
### Description
The `wave` function provides a method for generating a value that changes over time in a sinusoidal (wave-like) manner between two specific values: `edge1` and `edge2`.
`edge1` and `edge2` act as boundaries. `edge1` is the lowest value that can be returned, and `edge2` is the highest. The function will continuously generate a new value that lies somewhere between these two boundaries, following the pattern of a wave.
The rate at which this value changes follows a pendulum-like pattern and is controlled by the `speed` parameter. A higher `speed` will cause the wave to oscillate more rapidly between `edge1` and `edge2`, while a lower `speed` will make the oscillation slower.
Unlike a function that changes values linearly, `wave` produces values in a smooth, cyclic pattern, similar to the rise and fall of waves on the ocean, or the swinging of a pendulum. This is especially useful for simulations, animations, or other dynamic processes where a smooth, natural, and periodic variation is needed.
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