levels/spawn_items.go - main - 676767ap/AstroCatGame

levels/spawn_items.go
74 строки2 KB
Anton Polikapov
And ref goroutines again
08 апр 2024, 12:13
08 апр 2024, 12:131f93186
package levels

import (
	"astrogame/config"
	"astrogame/enemy"
	"astrogame/item"
	"astrogame/objects"
	"astrogame/resolution"
	"astrogame/templates"
	"math/rand"
	"time"
)

func spawnItem() {
	if len(CurStage.Items) == 0 {
		return
	}
	var target config.Vector
	var startPos config.Vector
	itemParam := CurStage.Items[CurStage.CurItemId]
	itemNew := item.NewItem(target, startPos, itemParam)
	itemWidth := itemNew.ItemType.Sprite.Bounds().Dx()
	itemHight := itemNew.ItemType.Sprite.Bounds().Dy()
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	posX := r.Intn(int(resolution.CurScreenAndScale.ScreenWidth) - (itemWidth * 2))
	startPos = config.Vector{
		X: float64(posX + itemWidth),
		Y: -(float64(itemHight)),
	}
	target = config.Vector{
		X: startPos.X,
		Y: resolution.CurScreenAndScale.ScreenHeight + float64(itemHight) + 100,
	}
	itemNew.SetDirection(target, startPos, itemParam)
	itemNew.Target = target
	item.ItmFactory.AddAsync(itemNew)
	delete(CurStage.Items, CurStage.CurItemId)
	if len(CurStage.Items) > 0 {
		CurStage.CurItemId++
		ItemSpawnTimer.Restart(CurStage.Items[CurStage.CurItemId].ItemSpawnTime)
	}
}

func SpawnLootItem(e *enemy.Enemy, l int) {
	var spawnChance int
	if l < 4 {
		spawnChance = config.LootSpawnChanceLowLvl
	} else if l < 7 {
		spawnChance = config.LootSpawnChanceMidLvl
	} else if l < 10 {
		spawnChance = config.LootSpawnChanceHighLvl
	}
	chance := objects.RandInt(0, 1000)
	if chance < spawnChance {
		itemTpl := ChooseLoot(e)
		target := config.Vector{
			X: e.Position.X,
			Y: resolution.CurScreenAndScale.ScreenHeight + float64(e.EnemyType.Sprite.Bounds().Dy()),
		}
		itemNew := item.NewItem(target, e.Position, itemTpl)
		itemNew.SetDirection(target, e.Position, itemTpl)
		item.ItmFactory.AddAsync(itemNew)
	}
}

func ChooseLoot(e *enemy.Enemy) *templates.Item {
	for {
		randItemN := objects.RandInt(0, len(CurLevel.Loot)-1)
		item := CurLevel.Loot[randItemN]
		if item.Cost <= e.EnemyType.Cost {
			return item
		}
	}
}