Questions tagged [inheritance]
In OOP, this refers to a lower-level class using the definition for a higher-level class' methods or properties.
65 questions
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Should a CharacterBody3D be the root of a character, or a child node?
I'm watching a tutorial on setting up a 3D player character in Godot, and at around 7:45, it shows CharacterBody3D as the root node.
I'm wondering if this is ...
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Interactable actors should be implemented via components or inheritances?
I am new to game development and I am learning Unreal Engine right now.
When a player character APlayer wants to interact with other actors (such as ...
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How should I implement the idea behind this abstract class setup in a Unity-Friendly/Inspector-Usable way?
First up, the name of the question is terrible and I am open to suggestions. For context: I'm still relatively new to C#/Unity and it's hard to ask questions properly when I don't know the terminology....
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How to inherit from a custom node of a gdnative plugin, in gdnative?
Context
I am developing a game in gdnative and I would like to design it in several "modules", where there would be:
a main module for the core gameplay,
a second module that I defined as a ...
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How to inherit of a scene tree structure in a way that a change in the ancestor is updated in the descendant?
Consider this structure:
* KinematicBody2D (Actor)
|_ AnimationPlayer (able to make a rotation of 360)
Now I want to make a Player and an Enemy that inherits of ...
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Unity inspector not showing variables of custom component that inherits from a built-in class
I made a class AdvancedButton that inherits from the built-in class Button:
...
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Overridden movement function doesn't work
I moved from C to C# so I am a novice in Object Oriented Programming. I wanted to implement OOP in my character movement, but it didn't work the way I expected.
My character is instantiated when the ...
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Can I add extra widgets to a child widget in UMG-UE4?
I have a widget base class and I would like to reuse (logic and wigdets as well) it.
I created an empty widget and set the parent class to the base class I would like to inherit from in the class ...
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How to call StartCourotine in abstract class?
Bellow is my code. I have an abstract class and a inheriting class. This keeps giving me an NullReferenceException, on the ...
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Why can't this event call its parent event?
It's me... Back again... with another Unreal problem...
I have an Event in my Parent Class called ...
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Best way to implement a class or interface for a set of UI buttons that only differ in their Draw() function?
I have three types of UI buttons that go on a cooldown bar:
A traditional cooldown bar button where once the corresponding key is pressed, a timer shows over the button and dims the texture.
A button ...
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Heir Class Constructor Throws CS7036 "No Argument Given" Exception [closed]
I'm trying to create a class that holds the data for an an attack, called Attack. I also have special attacks that have more properties, and so I wanted to create a ...
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Disabled script works anyway
I have a simple code that will be enabled when I kick, so I disable it right away but even though it is disabled, it works somehow. can it be because of his parent or something else I dont know of?
<...
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C++ inheriting functions problem
So I am creating a game with C++ and SDL.
I have a "gameobject" header file and no cpp (I do not need it) the game object has 2 functions void render() & ...
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Inheritance - accessing child class values
I want to use the same variable for five different child classes. It is basically a boolean that is true when a player purchases an item(represented by a child class) and false when the player is yet ...
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why child class can access object while parent can't
I have Block class which is the parent and StandardBlock the child , the prefab block have StandardBlock script attached to it, and according to my small knowledge in inheriting I though this would ...
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XNA: Classes with Texture2D to be treated as one
Summarised Problem:
I have an Animation class that I want to be able to treat as a Texture2D field when need be. I do not ...
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Interact with inheriting class methods from "casted" base class (collisions, etc)
I want to implement a damage system that works across both living items (Entity) and environment items (Environment). The key ...
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Base class undefined?
I have no idea why I'm getting this error except that it has to do with the includes.
Base class header file:
...
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1
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C++: Setup the basic Update function in different classes which all derive from GameObject
Im working on a little game-framework in c++. Currently i have a (base)class called "GameObject" from which all future in-game objects will derive from.
Class enemy will be ...
2
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1
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374
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Use GKEntity's component(ofType:) with inheritance
I'm writing a SpriteKit game in swift and making use of GameplayKit's entity-component system. There are many components that do different stuff but share the same methods in which they do it, so I ...
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RPG Item Design [duplicate]
I'm currently fiddling around with some RPG mechanics and I'm trying to implement a solid way to handle items that have different on use effects.
Currently, I have a base class called "Item" that ...
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Java: Updating entities in composite design
I'm trying to move beyond inheritance based design, but I've been doing it like that for 6 years. My current hurdle is this: What's the simplest( or proper) way to update all my objects? Before, ...
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237
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Does abstraction influence performance?
Say I have a GameObject class that is being extended by all of the objects in the game that are moving around. (This class provides basic stuff like a sprite, draw ...
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How to expose a child node’s texture from the parent in Godot
I built a simple scene that I instanciate at will. Simply a KinematicBody2D as root, containing a Sprite and a ...
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How to use base.Function() in Unity
I am using 3 classes:
EnemyBullet : MonoBehavior
EnemyBulletType1 : EnemyBullet
EnemyBullet Class:
...
2
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2
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2k
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Instantiating, Inheritance, Objects and Children basics in Unity
First off, please understand I am horrendously confused with how to do things in Unity. I might not even be asking the right questions, I'll pose my problem and hope it shows my gap in knowledge.
For ...
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What is the best practice for creating a system of platforms that does not use Unity's tag system?
Right now I'm finalizing my character raycast controller, but have come to the realization that Unity's tag system, which I'm using as a way for my raycasts to detect different types of platforms, is ...
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Cannot implicitly convert type object[] to UnityEngine.GameObject[]
So, I cannot implicitly convert type object[] to UnityEngine.GameObject[]. But why? As far I know, are all types a inheritanced types of object. So, for my logic, I could put a GameObject array in a ...
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241
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How to make Scriptable Objects derive from other Gameobejcts?
I encountered a problem where I want to make a Scriptable Object that derives from another class, but C# does not support multiple inheritance. Further, I do not think it would not make sense to make ...
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SFML Animation class as a strategy or an inheritance
everybody.
I need to add animations to my game.
And I have a question.
I found AnimatedSprite class on SFML Github which is an inheritance, but in my project, I am using a lot of elements made with ...
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How do I switch between different Update behaviour states in Unity?
I have a bird entity that needs different update rules when it's moving or dying (among potentially other states).
I want to avoid making my Update method a ...
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Polymorphism vs cache-friendliness
How can we combine inheritance-based polymorphism with spatial cache friendly data structures? In a simple game engine we usually have some base Entity class which is inherited from to implement the ...
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Does interfacing not work as well when it comes to games development?
I'm currently at the start of a project, and I'm following the wisdoms of my day-to-day career as a C# developer for large web applications.
Currently I have set up a bunch of interfaces. Notable of ...
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How to optimize classes
I am currently working on a game based on SFML and written in C++. For the HUD of the game I have a HUD class with a lot of different variables and methods. Basically most of the variables have a set ...
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C# What is the advantage of using interfaces for simulating multiple inheritance? [closed]
Interfaces are a feature of C# that I've never quite been able to see the purpose of. I see them used all the time in professional code, but for the life of me I can't work out the reasoning.
My ...
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how to make weapon charge up behavior using composition
I am trying to design different weapon behaviors.
Right now, there are 3 different types of weapon behaviors that i would like to implement.
When not pressing anything, weapon fires at a ...
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Deriving from base class but not calling base method
I am very new to C#, XNA, and OOP. This is my question: I have an abstract class called Sprite. Sprite handles position and drawing from the sprite sheets, from its update and draw methods, for my ...
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Categorizing Projectiles in an arcade shooter (multiple inheritance?)
I have been working on a simple arcade shooter in Java in the vein of missile command/space invaders. I've made a base Projectile class and have been extending other Projectile types from it. This ...
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Making unity inspector accept classes that inherit from a base class
I have a base class that has a lot of classes inheriting from it, I want to make a script that you can drop one of these derived classes into. How do i do that?
...
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What if I extend a uclass without UClass() in Unreal Engine?
What happens if I extend a uclass (or UObject) without the UClass() macro?
Will it still be a UClass() and managed by the garbage collector?
I'm just curious.
Update
I managed to extend ...
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How do i approach these inheritance problem? (Pokemon Gen III) [closed]
I'm currently making a Pokemon clone on Python just for the heck of it. After fiddling a bit with some GBA ROM editing tools, i've found out that on these games there are, among other things:
Events ...
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Error : No default constructor exists for "Sprite" [closed]
What i want to do is make the Player class inherit the Sprite class.
So I inherited it like this :
class Player: public Sprite {};
But when I go to my Player....
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Inherited property in derived class reference only base class
[Context] I am developing a game in Unity, and wanted to make a Game Manager. Like many examples out there, it uses a Singletron design pattern. But i have several other Managers, all using Singletron ...
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Problem designing my pseudo-3D game with SFML
I am designing the game so the objects I create (Character, Enemy, Enemycast...) can inherit all from
Collider
SpineDrawable // Sprite // AnimatedSprite
D2D // D3D
Both D2D and D3D inherit from ...
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Java (libGDX) - Inheritance problems
I'm having some issues with inheritance for one of my libGDX projects, I'm making a game similar to (very stripped down) Terraria or Starbound and I am using the TiledMap to load the world, ...
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509
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Space game: inheritance for spaceships?
In a space game I'm writing in C++11, I have a class Spaceship. Now I want to create 3 more spaceship types, how should I do?
Attack type: have a weapon
...
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