楼梯

scene/character/character.tscn

@@ -24,6 +24,7 @@ shader_parameter/deformation_rate = 0.0
 shader_parameter/tex = ExtResource("4_fcd8a")
 
 [node name="Character" type="CharacterBody3D"]
+collision_layer = 512
 script = ExtResource("1_tonbs")
 
 [node name="Collision" type="CollisionShape3D" parent="."]

script/_global/util.gd

@@ -18,6 +18,12 @@ func vector_reduce(vector:Vector2,reduce:float) -> Vector2:
 	var scale_rate = new_len / len
 	return vector * scale_rate
 
+func raycast_wall(from:Vector3,to:Vector3) -> bool:
+	var space_state = get_world_3d().direct_space_state
+	var query = PhysicsRayQueryParameters3D.create(from,to,1)
+	var result = space_state.intersect_ray(query)
+	return result.size()>0
+
 func refresh_animation_lib():
 	var animation_library_path = "res://resource/skill_animation_library/animation_library.tres"
 	var animation_library = load(animation_library_path)

script/character/character.gd

@@ -40,6 +40,24 @@ func init_after():
 func set_material(material:ShaderMaterial):
 	view.material_override = material
 
+func is_on_stair()->bool:
+	if velocity.x > 0:
+		if raycast_stair(Vector3.RIGHT):return true
+	elif velocity.x < 0:
+		if raycast_stair(Vector3.LEFT):return true
+	if velocity.z > 0:
+		if raycast_stair(Vector3.BACK):return true
+	elif velocity.z < 0:
+		if raycast_stair(Vector3.FORWARD):return true
+	return false
+
+func raycast_stair(dir:Vector3)->bool:
+	var width = Setting.pixel_size * status.cfg.sprite_width
+	var from = position + Vector3.UP * Setting.pixel_size * 6 + dir * width * 0.4
+	var to = from + dir * width * 0.2
+	var up = to + Vector3.UP * Setting.pixel_size * 4
+	return Util.raycast_wall(from,to) and Util.raycast_wall(up,to) 
+
 #==getter==
 func id()->int:return status.id
 func cfg()->CharacterCfg:return status.cfg

script/character/move.gd

@@ -11,8 +11,8 @@ func _process(delta):
 	if Global.is_level_loading_contorl:return
 	if status.is_pause:return
 	var is_hit_floor = update_on_floor(delta)
-	update_speed_y(delta)
 	update_move(delta)
+	update_speed_y(delta)
 	character.move_and_slide()
 	if character.velocity:
 		SignalManager.character_pos_changed.emit(character.id(),character.pos())
@@ -31,8 +31,12 @@ func update_on_floor(delta) -> bool:
 	
 func update_speed_y(delta):
 	var has_y_speed = status.skill_float_speed != 0 or status.hit_up_speed != 0
+	var is_on_stair = character.is_on_stair()
 	if has_y_speed:
 		character.velocity.y = status.skill_float_speed + status.hit_up_speed
+	else:
+		if is_on_stair:
+			character.velocity.y = status.cfg.move.speed * 0.75
 		else:
 			if not status.is_on_floor:
 				character.velocity.y -= gravity * delta * status.cfg.move.gravity_scale