76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
package system
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import (
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"github.com/yohamta/donburi/filter"
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"joylink.club/ecs"
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)
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// 时间维度上移动的物体
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type MovableObject struct {
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Value int64
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//移动方向：0-不动，1-变大，-1 -变小
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direction int8
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}
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func NewMovableObject() *MovableObject {
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return &MovableObject{Value: 0, direction: 0}
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}
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// 时间维度上移动物体组件
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var MovableObjectComponent = ecs.NewComponentType[MovableObject]()
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var MovableObject1Component = ecs.NewComponentType[MovableObject]()
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var MovableObject2Component = ecs.NewComponentType[MovableObject]()
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type TimeMovableSystem struct {
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query *ecs.Query
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}
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func NewTimeMovableSystem() *TimeMovableSystem {
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return &TimeMovableSystem{
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query: ecs.NewQuery(filter.Or(filter.Contains(MovableObjectComponent), filter.Contains(MovableObject1Component), filter.Contains(MovableObject2Component))),
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}
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}
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// world 执行
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func (me *TimeMovableSystem) Update(w ecs.World) {
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me.query.Each(w, func(e *ecs.Entry) {
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if e.HasComponent(MovableObjectComponent) {
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MovableObjectComponent.Get(e).move(w.Tick())
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}
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if e.HasComponent(MovableObject1Component) {
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MovableObject1Component.Get(e).move(w.Tick())
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}
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if e.HasComponent(MovableObject2Component) {
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MovableObject2Component.Get(e).move(w.Tick())
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}
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})
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}
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////////////////////////////////////////////////
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func (me *MovableObject) move(tick int) {
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if me.direction != 0 {
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if me.direction > 0 {
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me.Value += int64(tick)
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} else {
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me.Value -= int64(tick)
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}
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}
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}
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// 暂停
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func (me *MovableObject) Pause() {
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me.direction = 0
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}
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// 前进
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func (me *MovableObject) Forward() {
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me.direction = 1
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}
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// 后退
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func (me *MovableObject) Retreat() {
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me.direction = -1
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}
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