Shulou(Shulou.com)06/02 Report--

Today, I will talk to you about how to write the code for Python to achieve the New year fireworks display. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

First introduce the basic principle of drawing fireworks with Pygame. Fireworks are divided into three stages from launch to bloom:

1, launch stage: at this stage, the shape of the fireworks is linear upward. The movement of "upward launch" is simulated by setting a group of points of different sizes and colors. In the process of motion, five points are given different accelerations. With the passage of time, the later points will catch up with the previous points, and eventually all the points will converge and be in the blooming preparation stage.

2, fireworks blooming: fireworks blooming stage, is a point scattered by multiple points in different directions, and the trajectory of each point can be recorded, in order to track the entire blooming trajectory.

3, fireworks withered, this stage is responsible for describing the effect of fireworks after blooming, the fireworks after blooming, and the decline rate and brightness at each time point (also called transparency in the code) are different, so in the code, after the fireworks bloom, each point is assigned two attributes: gravity vector and life cycle, respectively, to simulate the different display effects of fireworks in different periods.

Screenshot of running the program:

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