Draw a circle using Arcade in Python

Draw a circle using Arcade in Python

Arcade is a modern Python framework for developing 2D games with compelling graphics and sound. Drawing shapes, including circles, is straightforward in Arcade.

Here's a simple example of how to draw a circle using Arcade:

Step 1: Install Arcade

First, install the Arcade library if you haven't already. You can do this using pip:

pip install arcade

Step 2: Create a Basic Arcade Window and Draw a Circle

Here is a basic script to create an Arcade window and draw a circle:

import arcade # Define constants for the screen size SCREEN_WIDTH = 600 SCREEN_HEIGHT = 600 SCREEN_TITLE = "Arcade Circle Example" class MyGame(arcade.Window): """ Main application class. """ def __init__(self, width, height, title): """ Initialize the window. """ super().__init__(width, height, title) # Set the background color arcade.set_background_color(arcade.color.WHITE) def on_draw(self): """ Render the screen. """ # This command should happen before we start drawing arcade.start_render() # Draw a circle (parameters: center_x, center_y, radius, color) arcade.draw_circle_filled(300, 300, 50, arcade.color.BLUE) def main(): """ Main method """ window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE) arcade.run() if __name__ == "__main__": main()

In this example:

  • A window with the title "Arcade Circle Example" is created.
  • The on_draw method is overridden to render graphics. This is where you put your drawing code.
  • arcade.start_render() is called to start the rendering process.
  • arcade.draw_circle_filled is used to draw a filled circle. The parameters are the x and y coordinates of the center of the circle, the radius of the circle, and the color of the circle.

When you run this script, it will open a window displaying a blue filled circle.

Customizing the Circle

You can customize the circle in various ways:

  • Position and Size: Change the center_x, center_y, and radius parameters in the draw_circle_filled function to alter the position and size of the circle.
  • Color: Modify the color parameter to use different colors. Arcade has a wide range of predefined colors in arcade.color.
  • Unfilled Circle: To draw an unfilled circle (only the border), use arcade.draw_circle_outline instead of draw_circle_filled, with an additional parameter for the border width.

Arcade offers a variety of other shapes and primitives to draw, as well as support for more advanced graphics, animations, and game development features.

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