monovania/component/position.go

25 lines
479 B
Go

package component
import (
"code.rocketnine.space/tslocum/gohan"
"code.rocketnine.space/tslocum/monovania/engine"
)
type PositionComponent struct {
X, Y float64
}
var PositionComponentID = engine.Engine.NewComponentID()
func (p *PositionComponent) ComponentID() gohan.ComponentID {
return PositionComponentID
}
func Position(ctx *gohan.Context) *PositionComponent {
c, ok := ctx.Component(PositionComponentID).(*PositionComponent)
if !ok {
return nil
}
return c
}