Project Overview:
This is a classic scrolling flight shooting game.
Players need to move to avoid enemy attacks and destroy them with auto attack to earn higher scores.
Element Break Down：
The player's life value, which is reduced by an attack or missing an enemy
The game ends when it is zero
The game ends when it is zero
The player's score is displayed in the lower right corner of the screen.
Points are earned by destroying enemies
Points are earned by destroying enemies
Enemy 1
Attacks the player by shooting missiles downward at a certain frequency
Attacks the player by shooting missiles downward at a certain frequency
Enemy 2
Damages the player by accelerating and swooping downward
Damages the player by accelerating and swooping downward
Some functional development code：
