package main
import "github.com/hajimehoshi/ebiten/v2
type Game struct{
player Player
enemies []Enemy
score int
func (g Game) Update error {
// 游戏逻辑在这里生长
return nil
func (g Game) Draw(screen ebiten.Image) {
// 画面渲染在这里绽放
func (g Game) Layout(ow, oh int) (int, int) {
return 640, 480
func main {
ebiten.RunGame(&Game{
player: NewPlayer(320, 240),
})

type Player struct {
x, y float64
bullets []Bullet
health int
func NewPlayer(x, y float64) Player {
return &Player{
x: x,
y: y,
health: 100,
func (p Player) Update {
if ebiten.IsKeyPressed(ebiten.KeyLeft) {
p.x -= 2
// 其他方向键处理同理...

func spawnEnemy Enemy {
edge := rand.Intn(4)
x, y := 0.0, 0.0
switch edge {
case 0: x, y = -50, float64(rand.Intn(480))  // 左边界
case 1: x, y = 690, float64(rand.Intn(480))  // 右边界
case 2: x, y = float64(rand.Intn(640)), -50  // 上边界
case 3: x, y = float64(rand.Intn(640)), 530  // 下边界
return &Enemy{x: x, y: y}

func CheckCollision(x1, y1, r1, x2, y2, r2 float64) bool {
dx := x1
x2
dy := y1
y2
distance := math.Sqrt(dxdx + dydy)
return distance< r1 + r2

for _, bullet := range g.player.bullets {
for i, enemy := range g.enemies {
if CheckCollision(bullet.x, bullet.y, 3, enemy.x, enemy.y, 12) {
g.score += 10
g.enemies = append(g.enemies[:i], g.enemies[i+1:]...)
break

func drawScore(screen ebiten.Image, score int) {
text.Draw(screen, fmt.Sprintf("SCORE: %04d", score),
mplusNormalFont, 500, 40, color.White)