func (fs *FallingSystem) Update(entity *engi.Entity, dt float32) {
var space *engi.SpaceComponent
if !entity.Component(&space) {
return
}
space.Position.Y += 200 * dt
}
func (c *ControlSystem) Update(entity *engi.Entity, dt float32) {
//Check scheme
// -Move entity based on that
var control *ControlComponent
var space *engi.SpaceComponent
if !entity.Component(&space) || !entity.Component(&control) {
return
}
up := false
down := false
if control.Scheme == "WASD" {
up = engi.Keys.Get(engi.W).Down()
down = engi.Keys.Get(engi.S).Down()
} else {
up = engi.Keys.Get(engi.ArrowUp).Down()
down = engi.Keys.Get(engi.ArrowDown).Down()
}
if up {
space.Position.Y -= 800 * dt
}
if down {
space.Position.Y += 800 * dt
}
}
func (bs *BallSystem) Update(entity *engi.Entity, dt float32) {
var space *engi.SpaceComponent
var speed *SpeedComponent
if !entity.Component(&space) || !entity.Component(&speed) {
return
}
if space.Position.X < 0 {
engi.Mailbox.Dispatch(ScoreMessage{1})
space.Position.X = 400 - 16
space.Position.Y = 400 - 16
speed.X = 800 * rand.Float32()
speed.Y = 800 * rand.Float32()
}
if space.Position.Y < 0 {
space.Position.Y = 0
speed.Y *= -1
}
if space.Position.X > (800 - 16) {
engi.Mailbox.Dispatch(ScoreMessage{2})
space.Position.X = 400 - 16
space.Position.Y = 400 - 16
speed.X = 800 * rand.Float32()
speed.Y = 800 * rand.Float32()
}
if space.Position.Y > (800 - 16) {
space.Position.Y = 800 - 16
speed.Y *= -1
}
}
func (ms *SpeedSystem) Update(entity *engi.Entity, dt float32) {
var speed *SpeedComponent
var space *engi.SpaceComponent
if !entity.Component(&speed) || !entity.Component(&space) {
return
}
space.Position.X += speed.X * dt
space.Position.Y += speed.Y * dt
}
func (c *HideSystem) Update(e *engi.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 *ControlSystem) Update(entity *engi.Entity, dt float32) {
var a *engi.AnimationComponent
if !entity.Component(&a) {
return
}
if engi.Keys.Get(engi.ArrowRight).Down() {
a.SelectAnimationByAction(WalkAction)
} else if engi.Keys.Get(engi.Space).Down() {
a.SelectAnimationByAction(SkillAction)
} else {
a.SelectAnimationByAction(StopAction)
}
}
func (c *ScaleSystem) Update(e *engi.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
}
render.Scale.AddScalar(mod)
}
func (c *ScoreSystem) Update(entity *engi.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.Display = basicFont.Render(render.Label)
width := len(render.Label) * 20
space.Position.X = float32(400 - (width / 2))
}
}
func (control *ControlSystem) Update(entity *engi.Entity, dt float32) {
var space *engi.SpaceComponent
if !entity.Component(&space) {
return
}
speed := 400 * dt
if engi.Keys.Get(engi.A).Down() {
space.Position.X -= speed
}
if engi.Keys.Get(engi.D).Down() {
space.Position.X += speed
}
if engi.Keys.Get(engi.W).Down() {
space.Position.Y -= speed
}
if engi.Keys.Get(engi.S).Down() {
space.Position.Y += speed
}
}