32 lines
760 B
Go
32 lines
760 B
Go
package system
|
|
|
|
import (
|
|
"github.com/yohamta/donburi/filter"
|
|
"joylink.club/ecs"
|
|
"joylink.club/rtsssimulation/components"
|
|
)
|
|
|
|
// 按速度移动的设备系统
|
|
// 只负责按速度移动位置，由该组件的观察者负责解释位置
|
|
type MovableDeviceSystem struct {
|
|
query *ecs.Query
|
|
}
|
|
|
|
func NewMovableDeviceSystem() *MovableDeviceSystem {
|
|
return &MovableDeviceSystem{query: ecs.NewQuery(filter.Contains(components.MovableDeviceStateComponent))}
|
|
}
|
|
|
|
// world 执行
|
|
func (me *MovableDeviceSystem) Update(world ecs.World) {
|
|
me.query.Each(world, func(e *ecs.Entry) {
|
|
md := components.MovableDeviceStateComponent.Get(e)
|
|
if md.Speed > 0 {
|
|
if md.ToH {
|
|
md.Position += int64(md.Speed)
|
|
} else {
|
|
md.Position -= int64(md.Speed)
|
|
}
|
|
}
|
|
})
|
|
}
|