36 lines
823 B
Go
36 lines
823 B
Go
package common_sys
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import (
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"joylink.club/ecs"
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"joylink.club/ecs/filter"
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"joylink.club/rtsssimulation/component"
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"joylink.club/rtsssimulation/consts"
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)
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type TwoPositionMovementSys struct {
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query *ecs.Query
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}
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func NewTwoPositionMovementSys() *TwoPositionMovementSys {
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return &TwoPositionMovementSys{
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query: ecs.NewQuery(filter.Contains(component.TwoPositionTransformType)),
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}
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}
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// 更新位置
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func (tp *TwoPositionMovementSys) Update(w ecs.World) {
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tp.query.Each(w, func(entry *ecs.Entry) {
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position := component.TwoPositionTransformType.Get(entry)
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if position.Speed != 0 {
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pos := position.Pos + position.Speed
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if pos < consts.TwoPosMin {
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position.Pos = consts.TwoPosMin
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} else if pos > consts.TwoPosMax {
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position.Pos = consts.TwoPosMax
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} else {
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position.Pos = pos
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}
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}
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})
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}
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