diff --git a/Poisson.gd b/Poisson.gd
index f2f01f8..fe47ae9 100644
--- a/Poisson.gd
+++ b/Poisson.gd
@@ -11,13 +11,13 @@ var data = {
 }
 
 var poisson_disc_sampling: PoissonDiscSampling = PoissonDiscSampling.new()
-var points = []
+var points = PoolByteArray()
+var poissons = []
 
 signal new_poisson(points)
 
 func _ready():
 	reset_options(default_width, default_height, default_spacing)
-	pass
 
 func reset_options(width, height, spacing):
 	$HBoxContainer/Properties/width/width_edit.text = str(width)
@@ -29,6 +29,10 @@ func set_data(width, height, spacing):
 	data.height = height
 	data.spacing = spacing
 
+func init_points():
+	points.resize(data.width * data.height)
+	points.fill(0)
+
 func _on_Button_pressed():
 	set_data(
 		int($HBoxContainer/Properties/width/width_edit.text),
@@ -36,8 +40,14 @@ func _on_Button_pressed():
 		int($HBoxContainer/Properties/spacing/spacing_edit.text)
 	)
 
+	init_points()
+
 	var rect = Rect2(Vector2(0, 0), Vector2(data.width, data.height))
-	points = poisson_disc_sampling.generate_points(data.spacing, rect, 20)
+	poissons = poisson_disc_sampling.generate_points(data.spacing, rect, 20)
+
+	for poisson in poissons:
+		points.set(int(poisson.x) + int(poisson.y) * data.width, 1)
+
 	emit_signal("new_poisson", points)
 
 
diff --git a/Previsualisation.gd b/Previsualisation.gd
index 0b6bf1d..443084a 100644
--- a/Previsualisation.gd
+++ b/Previsualisation.gd
@@ -3,13 +3,15 @@ extends TextureRect
 var image
 
 func create_image(points):
+	var width = get_parent().get_parent().data.width
+	var height = get_parent().get_parent().data.height
 	image = Image.new()
-	image.create(get_parent().get_parent().data.width, get_parent().get_parent().data.height, false, Image.FORMAT_RGBA8)	
+	image.create(width, height, false, Image.FORMAT_RGBA8)	
 	image.fill(Color.white)
 	image.lock()
-	for point in points:
-		image.set_pixel(point.x, point.y, Color.black)
-		
+	for i in width * height:
+		if(points[i]):
+			image.set_pixel(i % width, i / height, Color.black)
 	image.unlock()
 	
 func update_texture():