demo version

Camera.gd

@@ -0,0 +1,22 @@
+extends Camera
+
+# https://github.com/jocamar/Godot-Post-Process-Outlines
+
+export var lerp_speed = 3.0
+
+export (NodePath) var target_path = null
+export (Vector3) var offset = Vector3.ZERO
+var target = null
+
+func _ready():
+	if target_path:
+		target = get_node(target_path)
+
+func _physics_process(delta):
+	if !target:
+		return
+	var target_pos = target.global_transform.translated(offset)
+	global_transform = global_transform.interpolate_with(target_pos, lerp_speed * delta)
+#	var target_pos = target.global_transform.origin + offset
+#	global_transform.origin = lerp(global_transform.origin, target_pos, lerp_speed * delta)
+	look_at(target.global_transform.origin, Vector3.UP)

Smoke.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=8 format=2]
+
+[sub_resource type="Gradient" id=1]
+offsets = PoolRealArray( 0, 0.348148, 0.992593 )
+colors = PoolColorArray( 1, 1, 1, 1, 1, 1, 1, 0.627451, 1, 1, 1, 0 )
+
+[sub_resource type="GradientTexture" id=2]
+gradient = SubResource( 1 )
+
+[sub_resource type="Curve" id=8]
+_data = [ Vector2( 0, 0.306122 ), 0.0, 0.0, 0, 0, Vector2( 1, 0.766582 ), 0.0, 0.0, 0, 0 ]
+
+[sub_resource type="CurveTexture" id=9]
+curve = SubResource( 8 )
+
+[sub_resource type="ParticlesMaterial" id=10]
+emission_shape = 2
+emission_box_extents = Vector3( 0.2, 0, 0.2 )
+direction = Vector3( 0, 0, 0 )
+spread = 0.0
+gravity = Vector3( 0, 1, 0 )
+scale_curve = SubResource( 9 )
+color_ramp = SubResource( 2 )
+
+[sub_resource type="SpatialMaterial" id=6]
+flags_transparent = true
+flags_do_not_receive_shadows = true
+vertex_color_use_as_albedo = true
+
+[sub_resource type="SphereMesh" id=7]
+material = SubResource( 6 )
+
+[node name="Smoke" type="Particles"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -0.0322643, -0.0968752, 0.119982 )
+amount = 10
+lifetime = 0.4
+speed_scale = 1.6
+local_coords = false
+process_material = SubResource( 10 )
+draw_pass_1 = SubResource( 7 )

TestScene.gd

@@ -0,0 +1,10 @@
+extends Spatial
+
+
+func get_path_direction(position):
+	var offset = $track_2/Path.curve.get_closest_offset(position)
+	$track_2/Path/PathFollow.offset = offset
+	return $track_2/Path/PathFollow.transform.basis.z
+
+func _ready():
+	print($track_2["transform"])

TestScene.tscn

@@ -0,0 +1,72 @@
+[gd_scene load_steps=10 format=2]
+
+[ext_resource path="res://tracks/track_2.tscn" type="PackedScene" id=1]
+[ext_resource path="res://Camera.gd" type="Script" id=2]
+[ext_resource path="res://cars/CarSUV.tscn" type="PackedScene" id=3]
+[ext_resource path="res://TestScene.gd" type="Script" id=4]
+[ext_resource path="res://lighting_env.tres" type="Environment" id=5]
+[ext_resource path="res://cars/carTruck.tscn" type="PackedScene" id=6]
+[ext_resource path="res://post_process_outlines.shader" type="Shader" id=7]
+
+[sub_resource type="ShaderMaterial" id=1]
+shader = ExtResource( 7 )
+shader_param/color_outline_scale = 2.0
+shader_param/depth_outline_scale = 2.0
+shader_param/depth_threshold = 2.5
+shader_param/depth_multiplier = 1000.0
+shader_param/edge_threshold = 0.04
+shader_param/max_edge_alpha = 0.8
+shader_param/edge_alpha_multiplier = 3.0
+shader_param/edge_color = Color( 0, 0, 0, 1 )
+shader_param/depth_use_laplace = true
+shader_param/color_use_laplace = false
+shader_param/use_bg_texture = false
+
+[sub_resource type="QuadMesh" id=2]
+material = SubResource( 1 )
+size = Vector2( 2, 2 )
+
+[node name="TestScene" type="Spatial"]
+script = ExtResource( 4 )
+
+[node name="DirectionalLight" type="DirectionalLight" parent="."]
+transform = Transform( 1, 0, 0, 0, -0.709866, 0.704337, 0, -0.704337, -0.709866, 0, 83.4295, 0 )
+light_energy = 2.0
+shadow_enabled = true
+shadow_color = Color( 0.6, 0.6, 0.6, 1 )
+shadow_contact = 0.34
+directional_shadow_mode = 0
+directional_shadow_normal_bias = 0.5
+
+[node name="CarSUV" parent="." instance=ExtResource( 3 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 57.089, 0, 5.858 )
+
+[node name="CarMesh" parent="CarSUV" index="0"]
+transform = Transform( -1.62921e-07, 0, 1, 0, 1, 0, -1, 0, -1.62921e-07, 0, 0, 0 )
+
+[node name="Camera" type="Camera" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 55.7557, 4.29647, 0 )
+current = true
+far = 150.0
+script = ExtResource( 2 )
+target_path = NodePath("../CarSUV/CarMesh")
+offset = Vector3( 0, 7, 5 )
+
+[node name="OutlineShader" type="MeshInstance" parent="Camera"]
+mesh = SubResource( 2 )
+material/0 = null
+
+[node name="track_2" parent="." instance=ExtResource( 1 )]
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+environment = ExtResource( 5 )
+
+[node name="carTruck" parent="." instance=ExtResource( 6 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -64.1136, 3.12284, -42.5977 )
+
+[node name="CarMesh" parent="carTruck" index="0"]
+transform = Transform( 0.0168241, 0, 0.999858, 0, 1, 0, -0.999858, 0, 0.0168241, 0, -3.08592, 0.5 )
+
+[editable path="CarSUV"]
+
+[editable path="carTruck"]