Unity 3D game engine seminar

GOVERNMENT POLYTECHNIC,
AURANGABAD
Information Technology
NIKHIL B. THORAT
3rd Year
ENROLLMENT NO :167058
GUIDED BY
Prof. D.P.SAPKAL

KEY POINTS :-
 Introduction To Unity
 What is Unity ?
 Unity Basics
 Graphics
 Physics
 Scripting
 Multiplayer And Networking
 Audio
 Animation
 Navigation
 Assets
 Platform
 Advantages and Disadvantages

INTRODUCTION TO UNITY
 Unity is Cross-Platform game engine developed by
Unity Technologies.
 Unity is integrated development environment (IDE) for
creating interactive media, typically video games.
 The first version of unity (1.0.0) was developed by
colleagues: David Helgason, Joachim Ante and
Nicholas Francis in Denmark.
 First announced only for OS X, at Apple’s Worldwide
Developers Conference in 2005, its has been
extended to target 21 platforms.

WHAT IS UNITY ?
 Game Engine -- To Create 2D and 3d Games.
 Unity is GUI System.
 Unity is 3D Terrain Editor.
 Accompanying Script editor --
Monodevelop (win/mac)
Can also use Visual Studio(Windows)
 3D object animation manager.

UNITY BASICS
 Unity is equally suited for to creating 2D and 3D
games.
 When you create a new project in Unity, you have
the choice to start in 2D or 3D mode.
 The choice between starting in 2D or 3D mode
determines some settings for the Unity Editor ,such as
whether images are imported as textures or sprites.

2D OR 3D PROJECTS
Full 3D :-
 3D games usually make use of three-dimensional geometry,
with Materials and Textures.
 3D games usually render the Scene using perspective, so
objects appear larger on screen.

Orthographic 3D :-
 Sometimes games use 3D geometry, but use an orthographic
camera instead of perspective.
 Common technique used in games which give you a
bird’s-eye view of the action, and is sometimes called “2.5D”.

• Full 2D :-
 Many 2D games use flat graphics, sometimes called
sprites, which have no three-dimensional geometry at all.

GRAPHICS
 Are visual images or designs on
some surface.
 Understanding graphics is key to
adding an element of depth to
your game.
 Unity offers amazing visual
fidelity :-
Lighting
Cameras
Materials
Shaders and Textures.

PHYSICS
 An object in a game must accelerate
correctly by collisions, gravity and other
forces.
 Unity’s built-in physics engines provide
components that handles the simulation
for you .With just a few parameter
settings.
 Rigid Body is used for object physics.

SCRIPTING
 Unity implements a MONO Compiler.
 Scripts can be written in
 JavaScript
 C#
 Beyond that, scripts can be used to
create graphical effects to control the
physical behaviour of objects .
 Even implement a custom AI system
for characters in the game.

MULTIPLAYER AND NETWORKING
 Multiplayer Networking is inherently
detailed and complex.
 There are particular issues and
difficulties associated with
synchronizing and communicating .
 Unity’s built-in Multiplayer
Networking and the
associated High Level API (HLAPI).

AUDIO
 A game would be incomplete without some kind of audio,
be it background music or sound effects.
 Including an “ Ambisonic Audio”.
 Audio Recording for gaming, Unity can access the
computer’s microphones from a script and create “Audio
Clips” by direct recording.

ANIMATION
 In the animation certain objects
should changes their position,
rotation, or other properties over
time.
 Unity’s Animation features
include retarget able animations.
Animation clips from external
sources are created by artists
or animators with 3rd party tools
such as Max or Maya.

NAVIGATION
 Allows you to create character
that are intelligent.
 By scene geometry, meshes are
created automatically.
 Navigation support Dynamic
obstacles .

ASSETS
 An asset is representation of any
item that can be used in your
game or project.
 Asset Store
 It is home to a growing library
of free and commercial assets.
 Wide variety of assets are there,
For example 3D models,
materials, textures, audio, scripts,
and fonts.

PLATFORM
 The platforms are listed as the following:
1. iOS
2. Windows
3. Android
4. PlayStation Etc.

 Portability.
 Easy to learn.
 Fast prototyping(no need to recompile everything
to tune values).
Advantages

Disadvantages
 Less performance in general than a unreal engine.
 More suited for cross-platform games.
 Managed Programming Languages – Java Script,
C#.

Unity 3D game engine seminar

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