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7.fill_circle()

Description

Create a circle on the UNIHIKER screen

Syntax

GUI.fill_circle(x, y, r,color , onclick)

Parameters

x: The x-coordinate where the center of the circle is displayed on the UNIHIKER screen.
y: The y-coordinate where the center of the circle is displayed on the UNIHIKER screen.
r: The radius of the circle.
color: The fill colour of the circle.
onclick: The callback function triggered when the circle is clicked.

Return

**Filled circle object

Example Description

In this simple example, our goal is to display a green filled circle on the UNIHIKER and bind it to a click callback function. The circle has a radius of 80.

Hardware Required

Example Code

Instantiate an object of the GUI class within the UNIHIKER class, and call the fill_circle() function through this object to display the circle and set the parameters. 

from unihiker import GUI   # Import the package
gui = GUI()  # Instantiate the GUI class

# Draw a filled circle on the GUI with the specified coordinates and parameters
# The circle is centered at (x=120, y=150) with a radius of 80 pixels
# The color of the circle is specified as "blue"
# When the circle is clicked, the lambda function is executed, which prints "fill circle clicked" to the console
gui.fill_circle(x=120, y=150, r=80, color="blue", onclick=lambda: print("fill circle clicked"))

import time
while True:
    # Add a delay to prevent the program from exiting and to observe the effects
    time.sleep(1)
Program Effect: image.png