func (c *HideSystem) Update(e *ecs.Entity, dt float32) {
var render *engi.RenderComponent
if !e.Component(&render) {
return
}
if rand.Int()%10 == 0 {
render.SetPriority(engi.Hidden)
} else {
render.SetPriority(engi.MiddleGround)
}
}
func (c *ScoreSystem) Update(entity *ecs.Entity, dt float32) {
var render *engi.RenderComponent
var space *engi.SpaceComponent
if !entity.Component(&render) || !entity.Component(&space) {
return
}
if !c.upToDate {
c.scoreLock.RLock()
render.Label = fmt.Sprintf("%v vs %v", c.PlayerOneScore, c.PlayerTwoScore)
c.upToDate = true
c.scoreLock.RUnlock()
render.SetDrawable(basicFont.Render(render.Label))
width := len(render.Label) * 20
space.Position.X = float32(400 - (width / 2))
}
}
func (c *ScaleSystem) Update(e *ecs.Entity, dt float32) {
var render *engi.RenderComponent
if !e.Component(&render) {
return
}
var mod float32
if rand.Int()%2 == 0 {
mod = 0.1
} else {
mod = -0.1
}
if render.Scale().X+mod >= 15 || render.Scale().X+mod <= 1 {
mod *= -1
}
newScale := render.Scale()
newScale.AddScalar(mod)
render.SetScale(newScale)
}