fix

.godot/editor/rail_switch.gd-folding-8e4deca5ebc583cb0317bfa5f2843afb.cfg

@@ -0,0 +1,3 @@
+[folding]
+
+sections_unfolded=PackedStringArray()

.godot/editor/rail_swtich.gd-folding-66615c4df519abfd9e79d3c9f0c4dc07.cfg

@@ -0,0 +1,3 @@
+[folding]
+
+sections_unfolded=PackedStringArray()

project.godot

@@ -60,6 +60,11 @@ change_train={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+horn={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
+]
+}
 
 [rendering]
 

resources/train kit/Textures/colormap.png.import

@@ -2,7 +2,7 @@
 
 importer="texture"
 type="CompressedTexture2D"
-uid="uid://cdwwcby54pecs"
+uid="uid://b0ktb1ocwlp1f"
 path.s3tc="res://.godot/imported/colormap.png-d3d02b00fd834f010bf45b2b9259ea63.s3tc.ctex"
 metadata={
 "imported_formats": ["s3tc_bptc"],

resources/train kit/Textures/colormap.png.import~RF15a29b7c.TMP

@@ -0,0 +1,41 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cdwwcby54pecs"
+path.s3tc="res://.godot/imported/colormap.png-d3d02b00fd834f010bf45b2b9259ea63.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://resources/train kit/Textures/colormap.png"
+dest_files=["res://.godot/imported/colormap.png-d3d02b00fd834f010bf45b2b9259ea63.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

resources/train kit/Textures/colormap.png.import~RF15a29bca.TMP

@@ -0,0 +1,41 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cdwwcby54pecs"
+path.s3tc="res://.godot/imported/colormap.png-d3d02b00fd834f010bf45b2b9259ea63.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://resources/train kit/Textures/colormap.png"
+dest_files=["res://.godot/imported/colormap.png-d3d02b00fd834f010bf45b2b9259ea63.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

scenes/train_control.tscn

@@ -7,6 +7,7 @@
 [ext_resource type="ArrayMesh" uid="uid://cm8un80nubjbi" path="res://resources/train kit/train-diesel-a.obj" id="3_jy5c4"]
 [ext_resource type="Script" uid="uid://b65vwus8xxmun" path="res://scripts/traincontrol_camera.gd" id="4_jy5c4"]
 [ext_resource type="Script" uid="uid://df2oi5vyeak81" path="res://scripts/train_movement.gd" id="6_1lqs8"]
+[ext_resource type="Script" uid="uid://b5x80gpkn1swt" path="res://scripts/rail_swtich.gd" id="7_cenvf"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_23vqf"]
 size = Vector2(100, 100)
@@ -17,10 +18,10 @@ albedo_color = Color(2.153851e-06, 0.25305444, 0.03645257, 1)
 [sub_resource type="Curve3D" id="Curve3D_0b1nv"]
 closed = true
 _data = {
-"points": PackedVector3Array(0, 0, 0, 0, 0, 0, -41.962486, 0.03566742, -44.78871, 0, 0, 0, 0, 0, 0, -7.760188, 0.036315918, -45.60305, 0, 0, 0, 0, 0, 0, 21.603975, 0.03604126, -45.26774, 0, 0, 0, 0, 0, 0, 41.148148, 0.03127289, -39.27994, 0, 0, 0, 0, 0, 0, 44.2618, 0.02154541, -27.064838, 0, 0, 0, 0, 0, 0, 44.118095, 0.0033874512, -4.2633114, 0, 0, 0, 0, 0, 0, 26.96904, 0.003112793, -3.9279928, 0, 0, 0, 0, 0, 0, 3.4968712, 0.0079574585, -10.011598, 0, 0, 0, 0, 0, 0, -3.8321874, 0.024543762, -30.849133, 0, 0, 0, 0, 0, 0, -25.627771, 0.026069641, -32.765224, 0, 0, 0, 0, 0, 0, -31.28027, 0.015075684, -18.969343, 0, 0, 0, 0, 0, 0, -23.472174, 0.003479004, -4.4070177, 0, 0, 0, 0, 0, 0, 12.167218, -0.011207581, 14.035401, 0, 0, 0, 0, 0, 0, 34.681347, -0.013763428, 17.244862, 0, 0, 0, 0, 0, 0, 46.99225, -0.019981384, 25.052942, 0, 0, 0, 0, 0, 0, 42.72894, -0.03504944, 43.97439, 0, 0, 0, 0, 0, 0, 14.897652, -0.036231995, 45.459354, 0, 0, 0, 0, 0, 0, -23.088955, -0.034858704, 43.73488, 0, 0, 0, 0, 0, 0, -44.357616, -0.034965515, 43.878586, 0, 0, 0, 0, 0, 0, -45.603073, -0.010246277, 12.837832, 0, 0, 0, 0, 0, 0, -34.585533, 0.0079422, -10.0116005, 0, 0, 0, 0, 0, 0, -38.321926, 0.022087097, -27.78338),
-"tilts": PackedFloat32Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
+"points": PackedVector3Array(-2.1678085, -0.043792725, 1.658886, 2.1678085, 0.043792725, -1.658886, -41.962486, 0.03566742, -44.78871, 0, 0, 0, 0, 0, 0, -7.760188, 0.036315918, -45.60305, -6.559948, 0.007423401, -0.16356277, 6.559948, -0.007423401, 0.16356277, 21.603975, 0.03604126, -45.26774, -3.4513588, 0.124176025, -4.544277, 3.4513588, -0.124176025, 4.544277, 40.931072, 0.032211304, -40.35701, 0.5563507, 0.09750366, -3.6268482, -0.5563507, -0.09750366, 3.6268482, 45.43544, 0.021453857, -26.947992, 3.438774, 0.09018707, -3.405755, -3.438774, -0.09018707, 3.405755, 38.412643, 0.47789, -9.150471, 6.6514378, -0.022911072, 0.7331085, -6.6514378, 0.022911072, -0.7331085, 25.856459, 0.10243797, -3.7440395, 5.315757, -0.10071564, 3.6390858, -5.315757, 0.10071564, -3.6390858, 3.4968712, 0.0079574585, -10.011598, 4.9409637, -0.0754776, 2.709568, -4.9409637, 0.0754776, -2.709568, -3.8321874, 0.024543762, -30.849133, 6.360344, 0.0488739, -1.9223251, -6.360344, -0.0488739, 1.9223251, -22.311077, 0.005493164, -31.887383, -0.9378357, 0.12989807, -4.797656, 0.9378357, -0.12989807, 4.797656, -31.28027, 0.015075684, -18.969343, -7.12364, 0.096969604, -3.4738579, 7.12364, -0.096969604, 3.4738579, -23.472174, 0.003479004, -4.4070177, -9.224047, 0.08418274, -2.961853, 9.224047, -0.08418274, 2.961853, 12.167218, -0.011207581, 14.035401, -8.825874, 0.03265381, -1.0564928, 8.825874, -0.03265381, 1.0564928, 32.632145, -0.011894226, 14.993831, 0, 0, 0, 0, 0, 0, 39.98447, -0.019104004, 24.146927, 4.9879036, 0.122177124, -4.6163826, -4.9879036, -0.122177124, 4.6163826, 35.724655, 0.047676086, 33.444454, 8.1661625, 0.014076233, -0.6628723, -8.1661625, -0.014076233, 0.6628723, 11.495622, 0.0951767, 40.647045, 4.9570847, -0.058029175, 2.0650558, -4.9570847, 0.058029175, -2.0650558, -22.318954, 0.051948547, 40.504288, 4.9869003, -0.18069458, 6.610588, -4.9869003, 0.18069458, -6.610588, -37.494194, 0.080329895, 26.992659, -1.5943985, -0.19984436, 7.435757, 1.5943985, 0.19984436, -7.435757, -46.58226, 0.10346222, 8.63745, -0.4270401, -0.16287994, 6.045038, 0.4270401, 0.16287994, -6.045038, -39.930115, 0.050865173, -11.514841, 4.8086166, -0.20992279, 7.687052, -4.8086166, 0.20992279, -7.687052, -35.56163, 0.15759277, -32.8561, -0.73628235, -0.15232849, 5.656826, 0.73628235, 0.15232849, -5.656826, -45.566254, 0.602231, -39.59991),
+"tilts": PackedFloat32Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
 }
-point_count = 22
+point_count = 23
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ke0jj"]
 albedo_texture = ExtResource("1_ihlg3")
@@ -31,6 +32,14 @@ uv1_offset = Vector3(0, -0.61, 0)
 metallic = 1.0
 roughness = 0.25
 
+[sub_resource type="Curve3D" id="Curve3D_1lqs8"]
+closed = true
+_data = {
+"points": PackedVector3Array(-6.2964935, 0.06638336, -2.3570595, 6.2964935, -0.06638336, 2.3570595, 24, 0, -36, 0.40251923, 0.1432724, -5.316846, -0.40251923, -0.1432724, 5.316846, 30.535202, 0.016418457, -19.69652, -3.0211945, 0.21754456, -8.010609, 3.0211945, -0.21754456, 8.010609, 37.792625, 0.0013275146, -0.5123644, 7.037945, 0.16593933, -6.2738285, -7.037945, -0.16593933, 6.2738285, 33.177887, 0.0013427734, 21.921793, 12.049584, -0.0362854, 1.1334801, -12.049584, 0.0362854, -1.1334801, 7.185522, 0.0013427734, 33.84686, 3.006013, -0.23966217, 8.824167, -3.006013, 0.23966217, -8.824167, -5.633688, 0.0127334595, 16.86435, 0.09129143, -0.14064789, 5.2124147, -0.09129143, 0.14064789, -5.2124147, -20.520624, 0.0013427734, -3.9991686, -6.1595325, -0.18273163, 6.8687496, 6.1595325, 0.18273163, -6.8687496, -10.095118, 0.0013427734, -27.90497),
+"tilts": PackedFloat32Array(0, 0, 0, 0, 0, 0, 0, 0)
+}
+point_count = 8
+
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_jgp6u"]
 sky_top_color = Color(0.6262097, 0.76737565, 0.9309246, 1)
 sky_horizon_color = Color(0.82665706, 0.8808251, 0.95468724, 1)
@@ -63,10 +72,10 @@ main_scene = ExtResource("2_0b1nv")
 mesh = SubResource("PlaneMesh_23vqf")
 surface_material_override/0 = SubResource("StandardMaterial3D_23vqf")
 
-[node name="Rails" type="Path3D" parent="Ground" unique_id=1160818899]
+[node name="Rails1" type="Path3D" parent="Ground" unique_id=1160818899]
 curve = SubResource("Curve3D_0b1nv")
 
-[node name="Ballast" type="CSGPolygon3D" parent="Ground/Rails" unique_id=259312931]
+[node name="Ballast" type="CSGPolygon3D" parent="Ground/Rails1" unique_id=259312931]
 polygon = PackedVector2Array(-1, 0, -1, 0.1, 1, 0.1, 1, 0)
 mode = 2
 path_node = NodePath("..")
@@ -81,7 +90,7 @@ path_u_distance = 1.0
 path_joined = true
 material = SubResource("StandardMaterial3D_ke0jj")
 
-[node name="LRail" type="CSGPolygon3D" parent="Ground/Rails" unique_id=477776682]
+[node name="LRail" type="CSGPolygon3D" parent="Ground/Rails1" unique_id=477776682]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.24889, -4.7985353, 2.2341003)
 polygon = PackedVector2Array(-0.5, 0, -0.5, 0.2, -0.4, 0.2, -0.4, 0)
 mode = 2
@@ -97,7 +106,7 @@ path_u_distance = 1.0
 path_joined = true
 material = SubResource("StandardMaterial3D_ihlg3")
 
-[node name="RRail" type="CSGPolygon3D" parent="Ground/Rails" unique_id=965437995]
+[node name="RRail" type="CSGPolygon3D" parent="Ground/Rails1" unique_id=965437995]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.24889, -4.7985353, 2.2341003)
 polygon = PackedVector2Array(0.5, 0, 0.5, 0.2, 0.4, 0.2, 0.5, 0)
 mode = 2
@@ -113,15 +122,78 @@ path_u_distance = 1.0
 path_joined = true
 material = SubResource("StandardMaterial3D_ihlg3")
 
-[node name="TrainEngine" type="PathFollow3D" parent="Ground/Rails" unique_id=973990755]
-transform = Transform3D(0.026897233, -2.1416474e-05, -1.1296921, 0, 1.130161, -2.141972e-05, 1.1296905, 5.0991304e-07, 0.02689727, -41.962486, 0.03566742, -44.78871)
+[node name="TrainEngine" type="PathFollow3D" parent="Ground/Rails1" unique_id=973990755]
+transform = Transform3D(0.6867339, -0.014397825, -0.8973005, 0, 1.130071, -0.018126711, 0.8974141, 0.01101774, 0.68664694, -41.962486, 0.03566742, -44.78871)
 rotation_mode = 4
 script = ExtResource("2_jgp6u")
 
-[node name="Train" type="MeshInstance3D" parent="Ground/Rails/TrainEngine" unique_id=65189673]
+[node name="Rails2" type="Path3D" parent="Ground" unique_id=1426938039]
+curve = SubResource("Curve3D_1lqs8")
+
+[node name="Ballast" type="CSGPolygon3D" parent="Ground/Rails2" unique_id=608449521]
+polygon = PackedVector2Array(-1, 0, -1, 0.1, 1, 0.1, 1, 0)
+mode = 2
+path_node = NodePath("..")
+path_interval_type = 0
+path_interval = 1.0
+path_simplify_angle = 0.0
+path_rotation = 2
+path_rotation_accurate = false
+path_local = false
+path_continuous_u = true
+path_u_distance = 1.0
+path_joined = true
+material = SubResource("StandardMaterial3D_ke0jj")
+
+[node name="RRail" type="CSGPolygon3D" parent="Ground/Rails2" unique_id=469196308]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.24889, -4.7985353, 2.2341003)
+polygon = PackedVector2Array(0.5, 0, 0.5, 0.2, 0.4, 0.2, 0.5, 0)
+mode = 2
+path_node = NodePath("..")
+path_interval_type = 0
+path_interval = 1.0
+path_simplify_angle = 0.0
+path_rotation = 2
+path_rotation_accurate = false
+path_local = false
+path_continuous_u = true
+path_u_distance = 1.0
+path_joined = true
+material = SubResource("StandardMaterial3D_ihlg3")
+
+[node name="LRail" type="CSGPolygon3D" parent="Ground/Rails2" unique_id=1887208549]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.24889, -4.7985353, 2.2341003)
+polygon = PackedVector2Array(-0.5, 0, -0.5, 0.2, -0.4, 0.2, -0.4, 0)
+mode = 2
+path_node = NodePath("..")
+path_interval_type = 0
+path_interval = 1.0
+path_simplify_angle = 0.0
+path_rotation = 2
+path_rotation_accurate = false
+path_local = false
+path_continuous_u = true
+path_u_distance = 1.0
+path_joined = true
+material = SubResource("StandardMaterial3D_ihlg3")
+
+[node name="TrainEngine" type="PathFollow3D" parent="Ground/Rails2" unique_id=1618605131]
+transform = Transform3D(-0.39616987, 0.010450672, -1.0582525, 0, 1.1301593, 0.01115706, 1.0583019, 0.003912155, -0.3961513, 24, 0, -36)
+rotation_mode = 4
+script = ExtResource("2_jgp6u")
+
+[node name="Train" type="MeshInstance3D" parent="Ground" unique_id=65189673]
+transform = Transform3D(0.6867333, -0.014397784, -0.89729905, 0, 1.1300678, -0.018126683, 0.8974134, 0.011017708, 0.68664587, -41.962486, 0.03566742, -44.78871)
 mesh = ExtResource("3_jy5c4")
+skeleton = NodePath("../Rails1/TrainEngine")
 script = ExtResource("6_1lqs8")
 
+[node name="RailSwtich" type="Area3D" parent="Ground" unique_id=1897237029 node_paths=PackedStringArray("rail_a", "rail_b", "switch_to_rail")]
+script = ExtResource("7_cenvf")
+rail_a = NodePath("../Rails1")
+rail_b = NodePath("../Rails2")
+switch_to_rail = NodePath("../Rails1")
+
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="." unique_id=1729725358]
 shadow_enabled = true
 shadow_bias = 0.04
@@ -135,7 +207,8 @@ current = true
 fov = 11.9
 near = 0.001
 script = ExtResource("4_jy5c4")
-train = NodePath("../Ground/Rails/TrainEngine/Train")
+train = NodePath("../Ground/Train")
+follow_distance = 30.0
 
 [node name="HUD" type="Control" parent="." unique_id=563257159]
 layout_mode = 3
@@ -155,9 +228,9 @@ label_settings = SubResource("LabelSettings_1lqs8")
 
 [node name="camera_label" type="Label" parent="HUD" unique_id=1719494020]
 layout_mode = 0
-offset_left = 20.0
+offset_left = 19.0
 offset_top = 43.0
-offset_right = 1280.0
+offset_right = 1279.0
 offset_bottom = 66.0
 size_flags_vertical = 0
 text = "Camera: "
@@ -165,15 +238,25 @@ label_settings = SubResource("LabelSettings_1lqs8")
 
 [node name="controls_label" type="Label" parent="HUD" unique_id=1262113688]
 layout_mode = 0
-offset_left = 20.0
-offset_top = 64.0
-offset_right = 1280.0
-offset_bottom = 217.0
+offset_left = 19.0
+offset_top = 83.0
+offset_right = 1279.0
+offset_bottom = 236.0
 size_flags_vertical = 0
 text = "Comandi: 
 \"W / S - Accelera / Rallenta\",
 \"A / D - Ruota camera\",
 \"SPACE - Cambia camera\",
-\"TAB - Cambia treno\",
+\"TAB\" - Cambia binario,
 \"ESC - Esci\""
 label_settings = SubResource("LabelSettings_1lqs8")
+
+[node name="switch_label" type="Label" parent="HUD" unique_id=462391845]
+layout_mode = 0
+offset_left = 19.0
+offset_top = 64.0
+offset_right = 1279.0
+offset_bottom = 87.0
+size_flags_vertical = 0
+text = "Binario: "
+label_settings = SubResource("LabelSettings_1lqs8")

scenes/trainjourney.tscn

@@ -106,7 +106,8 @@ text = "Comandi:
 \"A / D - Ruota camera\",
 \"SPACE - Cambia camera\",
 \"TAB - Cambia treno\",
-\"ESC - Esci\""
+\"ESC - Esci\",
+\"Spazio - Horn\""
 label_settings = SubResource("LabelSettings_tefeu")
 
 [node name="totaldistance_label" type="Label" parent="HUD" unique_id=544099778]

scripts/engine.gd

@@ -1,9 +1,9 @@
 extends PathFollow3D
-class_name TrainEngine
-
-@onready var train: MeshInstance3D = $Train
-
-
-func _physics_process(delta: float) -> void:
-	if train:
-		progress += train.current_speed * delta
+#class_name TrainEngine
+#
+#@onready var train: MeshInstance3D = $"../../Train"
+#
+#
+#func _physics_process(delta: float) -> void:
+	#if train:
+		#progress += train.current_speed * delta

scripts/rail_switch.gd

@@ -0,0 +1,17 @@
+extends Area3D
+class_name RailSwitch
+
+@export var rail_a: Path3D
+@export var rail_b: Path3D
+@export var switch_to_rail: Path3D  # Il binario verso cui deviare
+
+# Cambia direzione dello scambio
+func toggle_switch() -> void:
+	if switch_to_rail == rail_a:
+		switch_to_rail = rail_b
+	else:
+		switch_to_rail = rail_a
+
+func _on_body_entered(body: Node3D) -> void:
+	if body is Train:
+		body.switch_to_rail(switch_to_rail)

scripts/rail_switch.gd.uid

@@ -0,0 +1 @@
+uid://bhan6tvt4sow

scripts/rail_swtich.gd

@@ -0,0 +1,17 @@
+extends Area3D
+
+@export var rail_a: Path3D
+@export var rail_b: Path3D
+@export var switch_to_rail: Path3D  # Il binario verso cui deviare
+
+
+# Cambia direzione dello scambio
+func toggle_switch() -> void:
+	if switch_to_rail == rail_a:
+		switch_to_rail = rail_b
+	else:
+		switch_to_rail = rail_a
+
+		
+#func get_state_name() -> String:
+	#return "BIANRIO 1" if current_state == SwitchState.LEFT else "BINARIO 2"

scripts/rail_swtich.gd.uid

@@ -0,0 +1 @@
+uid://b5x80gpkn1swt

scripts/train.gd

@@ -38,6 +38,7 @@ var distance_traveled: float = 0.0
 var locomotive: Node3D
 var wagons: Array = []
 var wagon_distances: Array = []
+var _horn_player: AudioStreamPlayer
 
 
 func _ready() -> void:
@@ -46,6 +47,7 @@ func _ready() -> void:
 	await get_tree().process_frame
 	_create_train()
 	current_speed = base_speed
+	_create_horn()
 
 
 func _remove_train():
@@ -145,6 +147,9 @@ func _handle_input(delta: float) -> void:
 		_create_train()
 		current_speed = base_speed
 	
+	if Input.is_action_just_pressed("horn"):
+		_play_horn()
+
 func _update_movement(delta: float) -> void:
 	distance_traveled += current_speed * delta
 	
@@ -187,3 +192,54 @@ func get_locomotive_position() -> Vector3:
 
 func get_speed() -> float:
 	return current_speed
+
+
+func _create_horn() -> void:
+	_horn_player = AudioStreamPlayer.new()
+	_horn_player.name = "HornPlayer"
+	_horn_player.volume_db = -6.0
+	_horn_player.bus = &"Master"
+	add_child(_horn_player)
+	
+	var sample_rate := 22050
+	var duration := 1.8
+	var num_samples := int(sample_rate * duration)
+	
+	var audio := AudioStreamWAV.new()
+	audio.format = AudioStreamWAV.FORMAT_16_BITS
+	audio.mix_rate = sample_rate
+	audio.stereo = false
+	
+	var data := PackedByteArray()
+	data.resize(num_samples * 2)
+	
+	var freq1 := 277.0  # C#4
+	var freq2 := 370.0  # F#4
+	var freq3 := 311.0  # Eb4
+	
+	for i in num_samples:
+		var t := float(i) / sample_rate
+		var envelope := 1.0
+		if t < 0.15:
+			envelope = t / 0.15
+		elif t > duration - 0.4:
+			envelope = (duration - t) / 0.4
+		envelope = clampf(envelope, 0.0, 1.0)
+		
+		var sample := sin(t * freq1 * TAU) * 0.4
+		sample += sin(t * freq2 * TAU) * 0.3
+		sample += sin(t * freq3 * TAU) * 0.2
+		sample += sin(t * freq1 * 2.0 * TAU) * 0.1
+		sample *= envelope
+		
+		var value := clampi(int(sample * 24000.0), -32768, 32767)
+		data[i * 2] = value & 0xFF
+		data[i * 2 + 1] = (value >> 8) & 0xFF
+	
+	audio.data = data
+	_horn_player.stream = audio
+
+
+func _play_horn() -> void:
+	if _horn_player and not _horn_player.playing:
+		_horn_player.play()

scripts/train_movement.gd

@@ -1,21 +1,30 @@
 extends MeshInstance3D
+class_name TrainBody
 
 signal speed_changed(new_speed: float)
+signal rail_switched(old_rail: Path3D, new_rail: Path3D)
 
 @export_group("Train")
 @export var base_speed: float = 15.0
 @export var max_speed: float = 50.0
 @export var min_speed: float = 3.0
 @export var acceleration: float = 12.0
+@onready var rail_a: Path3D = $"../Rails1"
+@onready var rail_b: Path3D = $"../Rails2"
 
+var current_follower: PathFollow3D
+var current_rail: Path3D
 var current_speed: float = 15.0
 
 func _ready() -> void:
 	current_speed = base_speed
+	switch_to_rail(rail_a)
 
 
 func _process(delta: float) -> void:
 	_handle_input(delta)
+	current_follower.progress += current_speed * delta
+	global_transform = current_follower.global_transform
 
 
 func _handle_input(delta: float) -> void:
@@ -29,3 +38,35 @@ func _handle_input(delta: float) -> void:
 
 func get_speed() -> float:
 	return current_speed
+
+
+func switch_to_rail(new_rail: Path3D) -> void:
+	if new_rail == current_rail:
+		return
+
+	current_rail = new_rail
+	current_follower = new_rail.get_node("TrainEngine") as PathFollow3D
+
+	var closest_offset = find_closest_point_on_path(new_rail, global_position)
+	current_follower.progress = closest_offset
+	
+	
+func find_closest_point_on_path(path: Path3D, point: Vector3) -> float:
+	var curve = path.curve
+	var closest_offset = 0.0
+	var min_distance = INF
+
+	var length = curve.get_baked_length()
+	var steps = 100  # Più alto = più preciso ma più lento
+
+	for i in range(steps + 1):
+		var offset = (float(i) / steps) * length
+		# Trasforma il punto locale della curva in coordinate globali
+		var path_point = path.global_transform * curve.sample_baked(offset)
+		var dist = point.distance_to(path_point)
+
+		if dist < min_distance:
+			min_distance = dist
+			closest_offset = offset
+
+	return closest_offset

scripts/traincontrol.gd

@@ -3,8 +3,10 @@ extends Node3D
 
 @onready var speed_label : Label = $HUD/speed_label
 @onready var camera_label : Label = $HUD/camera_label
-@onready var train: MeshInstance3D = $Ground/Rails/TrainEngine/Train
+@onready var train: MeshInstance3D = $Ground/Train
 @onready var camera: TrainControlCamera = $TrainCamera
+@onready var rail_switch: Area3D = $Ground/RailSwtich
+@onready var switch_label : Label = $HUD/switch_label
 
 
 func _process(_delta: float) -> void:
@@ -13,6 +15,8 @@ func _process(_delta: float) -> void:
 	if Input.is_action_just_pressed("ui_cancel"):
 		SceneSwitcher.switch_scene(main_scene.resource_path)
 
+	if Input.is_action_just_pressed("change_train"):
+		_toggle_rail()
 	
 	
 func _update_ui() -> void:
@@ -22,3 +26,22 @@ func _update_ui() -> void:
 			
 	if camera_label and camera:
 		camera_label.text = "Camera: %s" % camera.get_mode_name()
+
+
+func _toggle_rail() -> void:
+	if train and rail_switch:
+		rail_switch.toggle_switch()
+		train.switch_to_rail(rail_switch.switch_to_rail)
+
+
+func _update_switch_status():
+	if not switch_label:
+		return
+	
+	#if rail_switch:
+		#var state_name = rail_switch.get_state_name()
+		#var color = Color.YELLOW if rail_switch.current_state == rail_switch.SwitchState.LEFT else Color.CYAN
+		#switch_label.text = "Scambio: %s" % state_name
+		#switch_label.add_theme_color_override("font_color", color)
+	#else:
+		#switch_label.text = "Scambio: N/A"