Update 3D navmesh demo to Godot 3.1.2

3d/navmesh/navmesh.gd

@@ -1,7 +1,5 @@
-
 extends Navigation
 
-# Member variables
 const SPEED = 4.0
 
 var camrot = 0.0
@@ -13,11 +11,17 @@ var m = SpatialMaterial.new()
 var path = []
 var draw_path = true
 
+func _ready():
+	set_process_input(true)
+	m.flags_unshaded = true
+	m.flags_use_point_size = true
+	m.albedo_color = Color.white
+
 
 func _process(delta):
 	if path.size() > 1:
 		var to_walk = delta * SPEED
-		var to_watch = Vector3(0, 1, 0)
+		var to_watch = Vector3.UP
 		while to_walk > 0 and path.size() >= 2:
 			var pfrom = path[path.size() - 1]
 			var pto = path[path.size() - 2]
@@ -27,7 +31,7 @@ func _process(delta):
 				path.remove(path.size() - 1)
 				to_walk -= d
 			else:
-				path[path.size() - 1] = pfrom.linear_interpolate(pto, to_walk/d)
+				path[path.size() - 1] = pfrom.linear_interpolate(pto, to_walk / d)
 				to_walk = 0
 		
 		var atpos = path[path.size() - 1]
@@ -36,8 +40,8 @@ func _process(delta):
 		
 		var t = Transform()
 		t.origin = atpos
-		t = t.looking_at(atpos + atdir, Vector3(0, 1, 0))
-		get_node("robot_base").set_transform(t)
+		t = t.looking_at(atpos + atdir, Vector3.UP)
+		get_node("RobotBase").set_transform(t)
 		
 		if path.size() < 2:
 			path = []
@@ -46,14 +50,31 @@ func _process(delta):
 		set_process(false)
 
 
+func _input(event):
+	if event is InputEventMouseButton and event.button_index == BUTTON_LEFT and event.pressed:
+		var from = get_node("CameraBase/Camera").project_ray_origin(event.position)
+		var to = from + get_node("CameraBase/Camera").project_ray_normal(event.position) * 100
+		var p = get_closest_point_to_segment(from, to)
+		
+		begin = get_closest_point(get_node("RobotBase").get_translation())
+		end = p
+		_update_path()
+	
+	if event is InputEventMouseMotion:
+		if event.button_mask & (BUTTON_MASK_MIDDLE + BUTTON_MASK_RIGHT):
+			camrot += event.relative.x * 0.005
+			get_node("CameraBase").set_rotation(Vector3(0, camrot, 0))
+			print("Camera Rotation: ", camrot)
+
+
 func _update_path():
 	var p = get_simple_path(begin, end, true)
-	path = Array(p) # Vector3array too complex to use, convert to regular array
+	path = Array(p) # Vector3 array too complex to use, convert to regular array.
 	path.invert()
 	set_process(true)
-
+	
 	if draw_path:
-		var im = get_node("draw")
+		var im = get_node("Draw")
 		im.set_material_override(m)
 		im.clear()
 		im.begin(Mesh.PRIMITIVE_POINTS, null)
@@ -64,30 +85,3 @@ func _update_path():
 		for x in p:
 			im.add_vertex(x)
 		im.end()
-
-
-func _input(event):
-#	if event extends InputEventMouseButton and event.button_index == BUTTON_LEFT and event.pressed:
-	if event is InputEventMouseButton and event.button_index == BUTTON_LEFT and event.pressed:
-		var from = get_node("cambase/Camera").project_ray_origin(event.position)
-		var to = from + get_node("cambase/Camera").project_ray_normal(event.position)*100
-		var p = get_closest_point_to_segment(from, to)
-		
-		begin = get_closest_point(get_node("robot_base").get_translation())
-		end = p
-
-		_update_path()
-	
-	if event is InputEventMouseMotion:
-		if event.button_mask&(BUTTON_MASK_MIDDLE+BUTTON_MASK_RIGHT):
-			camrot += event.relative.x * 0.005
-			get_node("cambase").set_rotation(Vector3(0, camrot, 0))
-			print("camrot ", camrot)
-
-
-func _ready():
-	set_process_input(true)
-
-	m.flags_unshaded = true
-	m.flags_use_point_size = true
-	m.albedo_color = Color(1.0, 1.0, 1.0, 1.0)

3d/navmesh/project.godot

@@ -16,7 +16,7 @@ _global_script_class_icons={
 [application]
 
 config/name="Navmesh Demo"
-run/main_scene="res://navmesh.scn"
+run/main_scene="res://navmesh.tscn"
 config/icon="res://icon.png"
 
 [gdnative]