Added music and sfx.

screens/start.go

@@ -3,6 +3,7 @@ package screens
 import (
 	"image/color"
 	"math"
+	"mover/assets"
 	"mover/fonts"
 	"mover/gamedata"
 
@@ -17,6 +18,8 @@ type StartScreen struct {
 	target        gamedata.Coordinates
 	current       gamedata.Coordinates
 	targetreached bool
+	audioplayed   bool
+	cycle         int
 }
 
 func NewStartScreen() *StartScreen {
@@ -25,6 +28,8 @@ func NewStartScreen() *StartScreen {
 		target:        gamedata.Coordinates{X: 640/2 - 150, Y: 480 / 2},
 		current:       gamedata.Coordinates{X: 640/2 - 150, Y: -100},
 		targetreached: false,
+		cycle:         0,
+		audioplayed:   false,
 	}
 	return s
 }
@@ -36,13 +41,24 @@ func (s *StartScreen) Update() error {
 		s.eHandler[EventCompleted]()
 	}
 
-	s.current.X += (s.target.X - s.current.X) / 8
-	s.current.Y += (s.target.Y - s.current.Y) / 8
+	if !s.audioplayed {
+		player := audioContext.NewPlayerFromBytes(assets.Survive)
+		player.Play()
+		s.audioplayed = true
+	}
+
+	if !s.targetreached {
+		s.current.X += (s.target.X - s.current.X) / 8
+		s.current.Y += (s.target.Y - s.current.Y) / 8
+	} else {
+		s.current.Y += 0.5 * math.Sin(float64(s.cycle)/(math.Pi*8))
+	}
 
 	if math.Abs(s.current.Y-s.target.Y) < 1 && !s.targetreached {
 		s.targetreached = true
 	}
 
+	s.cycle++
 	return nil
 }