Intial commit

client/Scripts/Entities/Fader.gd

@@ -0,0 +1,59 @@
+extends ColorRect
+
+signal fade_complete
+
+export var fade_on_start : bool = false
+export var start_with_fade_in : bool = true
+export var fade_time : float = 1
+
+func _ready():
+
+	if fade_on_start:
+		# Fade on start, if enabled
+		fade(fade_time, start_with_fade_in)
+	else:
+		# Retain visibility
+		if self.visible:
+			modulate.a = 1
+		else:
+			modulate.a = 0
+ 
+	self.show()
+
+var timePassed = 0 #Current amount of time spend displaying te
+const CHECK_LENGTH = 0.05 #Interval to check for updates
+var timeNeeded = 0 #Time it takes to fade out
+var fadeTimer #Timer object
+
+var fading_in = false
+
+func fade(seconds, fade_in = false):
+	fading_in = fade_in
+	
+	# Set timer values
+	timeNeeded = seconds
+	timePassed = 0
+
+	# Create timer if needed
+	if(!fadeTimer):
+		fadeTimer = Timer.new()
+		add_child(fadeTimer)
+		fadeTimer.connect("timeout", self, "on_fade_timeout")
+		
+	# Start fader with tick speed of `CHECK_LENGTH`
+	fadeTimer.start(CHECK_LENGTH)
+
+func on_fade_timeout():
+	timePassed += CHECK_LENGTH
+	
+	# Set modulate
+	if fading_in:
+		modulate.a = 1 - abs(timePassed/timeNeeded)
+	else:
+		modulate.a = abs(timePassed/timeNeeded)
+
+	if(timePassed >= timeNeeded):
+		fadeTimer.stop()
+		emit_signal("fade_complete")
+	else:
+		fadeTimer.start(CHECK_LENGTH)