fixing bug where would crash when all points were in same position

Athrunen · Apr 23, 2019 · e76dbec · e76dbec
1 parent e4605f6
commit e76dbec
Showing 1 changed file with 16 additions and 14 deletions.
diff --git a/addons/godot-next/3d/trail_3d.gd b/addons/godot-next/3d/trail_3d.gd
@@ -101,19 +101,21 @@ func render_trail():
 			add_vertex(cur[nxt_i])
 			add_vertex(nxt[nxt_i])
 			add_vertex(nxt[i])
-	#cap off top
-	for i in range(density_around):
-		var nxt = (i + 1) % density_around
-		add_vertex(verts[0][i])
-		add_vertex(Vector3())
-		add_vertex(verts[0][nxt])
 
-
-	#cap off bottom
-	for i in range(density_around):
-		var nxt = (i + 1) % density_around
-		add_vertex(verts[verts.size() - 1][i])
-		add_vertex(verts[verts.size() - 1][nxt])
-		add_vertex(last_p)
+	if verts.size() > 1:
+		#cap off top
+		for i in range(density_around):
+			var nxt = (i + 1) % density_around
+			add_vertex(verts[0][i])
+			add_vertex(Vector3())
+			add_vertex(verts[0][nxt])
+
+
+		#cap off bottom
+		for i in range(density_around):
+			var nxt = (i + 1) % density_around
+			add_vertex(verts[verts.size() - 1][i])
+			add_vertex(verts[verts.size() - 1][nxt])
+			add_vertex(last_p)
 	end()
-
+