Started implementing prologue

proto2/vehicles/vehicle_camera.gd

@@ -0,0 +1,31 @@
+extends Spatial
+
+export var target_path: NodePath
+
+var target: Node
+var dist = 0.0
+func _ready():
+	target = get_node(target_path)
+
+var speed_slow = 3.5
+var speed_fast = 8.5
+var speed_cur = 3.5
+
+func _process(delta):
+	if !target:
+		return
+	var p1 = global_transform.origin
+	var p2 = target.global_transform.origin
+	dist = p1.distance_to(p2)
+	if dist < 20.0:
+		speed_cur -= delta * 0.1
+	elif dist >= 20.0:
+		speed_cur += delta * 0.1
+	speed_cur = clamp(speed_cur, speed_slow, speed_fast)
+	p1 = p1.linear_interpolate(p2, clamp(speed_cur * delta, 0.0, 1.0))
+	p1.y = 1.4
+	global_transform.origin = p1
+#	elif dist >= 30.0:
+#		global_transform.origin = p1 + (p2 - p1).normalized() * ((p2 - p1).length() - 3.0)
+	global_transform = global_transform.looking_at(p2, Vector3.UP)
+	global_transform = global_transform.orthonormalized()