Add basic buggy controls

default_env.tres

@@ -1,5 +1,7 @@
 [gd_resource type="Environment" load_steps=2 format=2]
+
 [sub_resource type="ProceduralSky" id=1]
+
 [resource]
 background_mode = 2
 background_sky = SubResource( 1 )

icon.png.import

@@ -2,33 +2,35 @@
 
 importer="texture"
 type="StreamTexture"
-path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+path.s3tc="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.s3tc.stex"
+path.etc2="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.etc2.stex"
 metadata={
-"vram_texture": false
+"imported_formats": [ "s3tc", "etc2" ],
+"vram_texture": true
 }
 
 [deps]
 
 source_file="res://icon.png"
-dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ]
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.s3tc.stex", "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.etc2.stex" ]
 
 [params]
 
-compress/mode=0
+compress/mode=2
 compress/lossy_quality=0.7
 compress/hdr_mode=0
 compress/bptc_ldr=0
 compress/normal_map=0
-flags/repeat=0
+flags/repeat=true
 flags/filter=true
-flags/mipmaps=false
+flags/mipmaps=true
 flags/anisotropic=false
-flags/srgb=2
+flags/srgb=1
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/HDR_as_SRGB=false
 process/invert_color=false
 stream=false
 size_limit=0
-detect_3d=true
+detect_3d=false
 svg/scale=1.0

player/camera.gd

@@ -0,0 +1,32 @@
+extends Camera
+
+export (NodePath) var follow_target_path = null
+export var target_distance: float = 3.0
+export var target_height: float = 2.0
+
+var follow_target: Node = null
+var last_lookat: Vector3
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	follow_target = get_node(follow_target_path)
+	last_lookat = follow_target.global_transform.origin
+
+func _physics_process(delta):
+	var delta_v = global_transform.origin - follow_target.global_transform.origin
+	var target_pos = global_transform.origin
+
+	delta_v.y = 0.0
+
+	if (delta_v.length() > target_distance):
+		delta_v = delta_v.normalized() * target_distance
+		delta_v.y = target_height
+		target_pos = follow_target.global_transform.origin + delta_v
+	else:
+		target_pos.y = follow_target.global_transform.origin.y + target_height
+
+	global_transform.origin = global_transform.origin.linear_interpolate(target_pos, delta * 20.0)
+
+	last_lookat = last_lookat.linear_interpolate(follow_target.global_transform.origin, delta * 20.0)
+
+	look_at(last_lookat, Vector3(0.0, 1.0, 0.0))

scenes/test_level.tscn

@@ -0,0 +1,37 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://vehicles/buggy.tscn" type="PackedScene" id=1]
+[ext_resource path="res://player/camera.gd" type="Script" id=2]
+[ext_resource path="res://icon.png" type="Texture" id=3]
+
+[sub_resource type="PlaneMesh" id=1]
+
+[sub_resource type="SpatialMaterial" id=3]
+albedo_texture = ExtResource( 3 )
+
+[sub_resource type="ConcavePolygonShape" id=2]
+data = PoolVector3Array( 1, 0, 1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0, -1, 1, 0, -1 )
+
+[node name="Spatial" type="Spatial"]
+
+[node name="StaticBody" type="StaticBody" parent="."]
+transform = Transform( 99.9785, 0, 0, 0, 99.9785, 0, 0, 0, 99.9785, 0, 0, 0 )
+
+[node name="MeshInstance" type="MeshInstance" parent="StaticBody"]
+transform = Transform( 6.13726, 0, 0, 0, 6.13726, 0, 0, 0, 6.13726, 0, 0, 0 )
+mesh = SubResource( 1 )
+material/0 = SubResource( 3 )
+
+[node name="CollisionShape" type="CollisionShape" parent="StaticBody"]
+transform = Transform( 6.13726, 0, 0, 0, 6.13726, 0, 0, 0, 6.13726, 0, 0, 0 )
+shape = SubResource( 2 )
+
+[node name="buggy" parent="." instance=ExtResource( 1 )]
+transform = Transform( 1.00456, 0, 0, 0, 1.00456, 0, 0, 0, 1.00456, -0.0204048, 0.0478153, -0.0235357 )
+
+[node name="camera" type="Camera" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 5.88022, 23.0639 )
+script = ExtResource( 2 )
+follow_target_path = NodePath("../buggy")
+target_distance = 12.0
+target_height = 6.0

vehicles/buggy.gd

@@ -0,0 +1,39 @@
+extends VehicleBody
+
+const STEER_SPEED = 1.5
+const STEER_LIMIT = 0.4
+
+var steer_target = 0
+
+export var engine_force_value = 40
+
+func _physics_process(delta):
+	var fwd_mps = transform.basis.xform_inv(linear_velocity).x
+
+	steer_target = Input.get_action_strength("ui_left") - Input.get_action_strength("ui_right")
+	steer_target *= STEER_LIMIT
+
+	if Input.is_action_pressed("ui_up"):
+		# Increase engine force at low speeds to make the initial acceleration faster.
+		var speed = linear_velocity.length()
+		if speed < 5 and speed != 0:
+			engine_force = clamp(engine_force_value * 5 / speed, 0, 100)
+		else:
+			engine_force = engine_force_value
+	else:
+		engine_force = 0
+
+	if Input.is_action_pressed("ui_down"):
+		# Increase engine force at low speeds to make the initial acceleration faster.
+		if fwd_mps >= -1:
+			var speed = linear_velocity.length()
+			if speed < 5 and speed != 0:
+				engine_force = -clamp(engine_force_value * 5 / speed, 0, 100)
+			else:
+				engine_force = -engine_force_value
+		else:
+			brake = 1
+	else:
+		brake = 0.0
+
+	steering = move_toward(steering, steer_target, STEER_SPEED * delta)

vehicles/buggy.tscn

@@ -0,0 +1,55 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://assets/basic_buggy.glb" type="PackedScene" id=1]
+[ext_resource path="res://vehicles/buggy.gd" type="Script" id=3]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 2.46457, 1, 1.77811 )
+
+[node name="buggy" instance=ExtResource( 1 )]
+script = ExtResource( 3 )
+
+[node name="chassis" parent="." index="0"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
+
+[node name="left_front" parent="." index="2"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -2.33227, 0.952938, -2.92949 )
+use_as_traction = true
+use_as_steering = true
+wheel_roll_influence = 0.2
+wheel_rest_length = 0.5
+suspension_travel = 0.5
+suspension_stiffness = 3.0
+suspension_max_force = 12000.0
+
+[node name="right_front" parent="." index="3"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 2.33227, 0.952938, -2.92949 )
+use_as_traction = true
+use_as_steering = true
+wheel_roll_influence = 0.2
+wheel_rest_length = 0.5
+suspension_travel = 0.5
+suspension_stiffness = 3.0
+suspension_max_force = 12000.0
+
+[node name="rear_left" parent="." index="4"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -2.33227, 0.952938, 2.92949 )
+use_as_traction = true
+wheel_roll_influence = 0.2
+wheel_rest_length = 0.5
+suspension_travel = 0.5
+suspension_stiffness = 3.0
+suspension_max_force = 12000.0
+
+[node name="rear_right" parent="." index="5"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 2.33227, 0.952938, 2.92949 )
+use_as_traction = true
+wheel_roll_influence = 0.2
+wheel_rest_length = 0.5
+suspension_travel = 0.5
+suspension_stiffness = 3.0
+suspension_max_force = 12000.0
+
+[node name="CollisionShape" type="CollisionShape" parent="." index="6"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.36968, 0 )
+shape = SubResource( 1 )