L'aspect des tubes est plus joli

js/drawer.js

 	
 	draw(game)
 	{
-		background('orange');
-		
+		clear();
+
 		this.drawTubes(this.padding, this.padding+this.scale, game);
 	}
 
 		let tubeLevels = tube.height();
 		
 		y += (tubeLevels-1) * this.scale;
+		strokeWeight(2);
 		
 		for(let i = 0; i < tubeLevels; i++)
 		{
-			color = tube.getColorAtLevel(i);
+			let layerY = y - i * this.scale;
+
+			let color = tube.getColorAtLevel(i);
 			color == null ? noFill() : fill(color);
 			
-			if (i >= 0)
+			if (i > 0)
 			{
-				rect(x, y - i * this.scale, this.scale);
+				noStroke();
+				rect(x, layerY, this.scale);
+				stroke('black');
+				line(x, layerY, x, layerY + this.scale);
+				line(x + this.scale, layerY, x + this.scale, layerY + this.scale);
+			}
+			else
+			{
+				noStroke();
+				rect(x, layerY, this.scale, this.scale/2);
+				stroke('black');
+				line(x, layerY, x, layerY + this.scale/2);
+				line(x + this.scale, layerY, x + this.scale, layerY + this.scale/2);
+
+				arc(x + this.scale/2, layerY + this.scale/2, this.scale, this.scale, 0, PI);
 			}
 		}
 	}