/
explosion.go
48 lines (40 loc) · 954 Bytes
/
explosion.go
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package pacman
import (
"container/list"
"github.com/hajimehoshi/ebiten"
)
type explosionManager struct {
explosions *list.List
}
func newExplosionManager() *explosionManager {
em := &explosionManager{}
em.explosions = list.New()
return em
}
func (em *explosionManager) addExplosion(img []byte, x, y float64) {
p := newParticleManager(img, x, y)
em.explosions.PushBack(p)
}
func (em *explosionManager) reinit() {
em.explosions.Init()
}
func (em *explosionManager) move() {
var toRemove []*list.Element
for e := em.explosions.Front(); e != nil; e = e.Next() {
pm := e.Value.(*particleManager)
if pm.counter == 90 {
toRemove = append(toRemove, e)
continue
}
pm.move()
}
for i := 0; i < len(toRemove); i++ {
em.explosions.Remove(toRemove[i])
}
}
func (em *explosionManager) draw(screen *ebiten.Image) {
for e := em.explosions.Front(); e != nil; e = e.Next() {
pm := e.Value.(*particleManager)
pm.draw(screen)
}
}