update

scripts/camera_rig.gd

@@ -11,6 +11,7 @@ var distance := 46.0
 
 var _cam: Camera3D
 var _focus := Vector3.ZERO
+var blocked := false      ## zuletzt an einem Hindernis abgefangen
 
 func _ready() -> void:
 	_cam = Camera3D.new()
@@ -51,11 +52,26 @@ func _process(delta: float) -> void:
 
 	if target:
 		_focus = _focus.lerp(target.global_position, clampf(delta * 5.0, 0.0, 1.0))
+	blocked = false
 	position = _focus
 	var dir := Vector3(0, 0, 1).rotated(Vector3.RIGHT, pitch).rotated(Vector3.UP, yaw)
-	_cam.position = dir * distance
+	var wanted: Vector3 = dir * distance
+	_cam.position = _clip_to_view(wanted)
 	_cam.look_at(global_position + Vector3(0, 2.5, 0), Vector3.UP)
 
+## Zieht die Kamera vor ein Hindernis, statt hindurchzuschauen.
+func _clip_to_view(local_target: Vector3) -> Vector3:
+	var from: Vector3 = global_position + Vector3(0, 2.5, 0)
+	var to: Vector3 = global_position + local_target
+	var space := get_world_3d().direct_space_state
+	var q := PhysicsRayQueryParameters3D.create(from, to, 2)
+	var hit := space.intersect_ray(q)
+	if hit.is_empty():
+		return local_target
+	var p: Vector3 = hit["position"] + (from - hit["position"]).normalized() * 0.7
+	blocked = true
+	return p - global_position
+
 func snap_to(p: Vector3) -> void:
 	_focus = p
 	position = p