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Getting Started
What's Inside?
Terminology
Project Workflow
Hardware Requirements
Principles of Operation
Virtual World Structure
World Management
Rendering
Rendering Sequence
Scattering
Alpha Blending
Shading
HDR Rendering
Temporal Anti-Aliasing
Postprocessing
Panoramic Rendering with AppPanorama Plugin
Projections with AppProjection Plugin
Current Viewport Grabbing with AppGrabber Plugin
Hiding Shading Artifacts with AppBorder Plugin
DirectX 11 Software Rendering with AppLevel Plugin
Physics
Shapes
Collision Detection
Joints
Simulation of Physics
Bit Masking
File System
Tools
SDK Browser
Projects
Licenses
UnigineEditor
Overview
Controls
Managing Worlds
Scene Navigation
Setting Up Cameras
Importing Nodes
Selecting and Positioning Nodes
Organizing Nodes
Rendering Settings
Camera Effects
Setting Up Materials
Setting Up Properties
Setting Up Physics
Terrain Editor
Terrain Grabber
System Menu
Video Grabber
Mask Editor
Plugins for 3D Editors
Plugins for 3ds Max
Plugins for Maya
Performance Profiling Tools
Performance Profiler
Microprofile
ResourceEditor
MeshViewer
NormalCombiner
NormalMapper
AmbientMapper
AlphaMapper
ImageDDS
ImageTTF
Launcher
Launcher Structure
Launcher Customization
Browser Functions
JS Functions
Log Functions
USC Interpreter
Archiver
Resource
Terrain
MeshImport
Upgrade Script
Built-in Objects
Nodes
Node
Node Reference
Dummy Node
Layer
Pivot
Trigger
Objects
Dummy Object
Static Mesh
Skinned Mesh
Dynamic Mesh
Mesh Cluster
Mesh Clutter
Text Object
Sky
Effects
Particle System
Decals
Projected Decal
Orthographic Decal
Mesh Decal
Light Sources
Light Sources Parameters
Omni Light
Projected Light
World Light
Environment Probe
Geodetics
Geodetic Pivot
World Objects
World Layer
Sector
Portal
World Trigger
World Cluster
World Clutter
Switcher
World Expression
Sound Objects
Sound Source
Sound Reverb
Pathfinding Objects
Players
Player Actor
Player Dummy
Player Persecutor
Player Spectator
Programming
Fundamentials
Programming Overview
Engine Architecture
Typical Architecture of a Unigine-Based Application
Memory Management
Setting Up Development Environment
Windows Development Environment
Linux Development Environment
Mac OS X Development Environment
UnigineScript
Creating UnigineScript Application
Adding Scripts to the Project
Script Debugging
High-Level Systems
Basic Utilities
Unigine::Schemer
Unigine::Skinner
Input System
Character System
KeyLine System
Dialogs Script
Cache Files
C++
Creating C++ Application
Creating C++ Plugin
C#
Creating C# Application
C# API Reference
UUSL (Unified UNIGINE Shader Language)
UUSL Data Types and Common Intrinsic Functions
UUSL Parameters
UUSL Textures
UUSL Semantics
UUSL Tessellation
Creating of Custom Shader for Deferred Rendering Pass
Creating of Custom Shader for Forward Rendering Pass
Creating of Custom Shader for Post-Processing
File Formats
Mesh File Formats
Material File Format
Startup Command-Line Options
Console
Rebuilding the Engine and Tools
Rebuild in Windows via Visual Studio
Rebuild in Mac OS X via Xcode
Semi-automatic Compilation with Build Script
Manual Compilation with SCons
Preprocessor Macros for Rebuilding the Engine
Protecting Your Data with a Password
GUI
RC Files
Skin Layout
Usage Example
Double Precision Coordinates
Usage
Performance Analyzer
API
Core Library
Containers
Tree::ConstIterator Class (C++)
Tree::Iterator Class (C++)
Tree< Key, Data > Class Template (C++)
Map Class (C++)
ArrayMap Class (C++)
ArrayMap::Iterator Class (C++)
Vector::ConstIterator Class (C++)
Vector::Iterator Class (C++)
Vector< > Class Template (C++)
ArrayVector Class (C++)
Engine Classes
Engine Class (UnigineScript)
Engine Class (C++)
App Class
Config Class
Console Class
Editor Class
Filesystem Class
Game Class
Materials Class
Memory Class (UnigineScript)
Memory Class (C++)
Physics Class
Profiler Class
Properties Class
Sound Class
Splash Class
Visualizer Class
World Class
Unigine Namespace Functions (C++)
Node-Related Classes
Node Class
NodeDummy Class
NodeExtern Class
NodeExternBase Class
NodeLayer Class
NodePivot Class
NodeReference Class
NodeTrigger Class
Rendering-Related Classes
Render Class
Renderer Class
RenderState Class
Material Class
Shader Class
Texture Class
TextureRender Class
Mesh Class
Camera Class
Viewport Class
FFP Class
Physics-Related Classes
PhysicsIntersection Class
PhysicsIntersectionNormal Class
Bounds-Related Classes
BoundBox Class (UnigineScript)
BoundBox Class (C++)
BoundFrustum Class (UnigineScript)
BoundFrustum Class (C++)
BoundSphere Class (UnigineScript)
BoundSphere Class (C++)
GUI-Related Classes
Gui Class
UserInterface Class
Widget Class
WidgetButton Class
WidgetCanvas Class
WidgetCheckBox Class
WidgetComboBox Class
WidgetDialog Class
WidgetDialogColor Class
WidgetDialogFile Class
WidgetDialogImage Class
WidgetDialogMessage Class
WidgetEditLine Class
WidgetEditText Class
WidgetExternBase Class
WidgetExtern Class
WidgetGridBox Class
WidgetGroupBox Class
WidgetHBox Class
WidgetHPaned Class
WidgetIcon Class
WidgetLabel Class
WidgetListBox Class
WidgetManipulator Class
WidgetManipulatorRotator Class
WidgetManipulatorScaler Class
WidgetManipulatorTranslator Class
WidgetMenuBar Class
WidgetMenuBox Class
WidgetScroll Class
WidgetScrollBox Class
WidgetSlider Class
WidgetSpacer Class
WidgetSpinBox Class
WidgetSprite Class
WidgetSpriteNode Class
WidgetSpriteShader Class
WidgetSpriteVideo Class
WidgetSpriteViewport Class
WidgetTabBox Class
WidgetTreeBox Class
WidgetVBox Class
WidgetVPaned Class
WidgetWindow Class
Controls-Related Classes
Controls Class
ControlsApp Class
ControlsDummy Class
ControlsJoystick Class
ControlsSixAxis
ControlsXPad360 Class
Pathfinding-Related Classes
Navigation Class
NavigationMesh Class
NavigationSector Class
Obstacle Class
ObstacleBox Class
ObstacleCapsule Class
ObstacleSphere Class
PathRoute Class
PathRouteIntersection Class
Utility Classes
TypeInfo Class (C++)
Thread Class (C++)
Stream Class (C++)
StreamBase Class (C++)
Timer Class (C++)
Resource Class (C++)
Ptr< Type > Class Template (C++)
FunctionBase Class (C++)
CallbackBase Class (C++)
Checksum Class (C++)
Compress Class (C++)
ExternClass< Class > Class Template (C++)
Variable Class (C++)
ConsoleVariableFloat Class (C++)
ConsoleVariableInt Class (C++)
ConsoleVariableString Class (C++)
Package Class (C++)
GameIntersection Class
Path Class
Property Class
Content Creation
Content Pipeline
3D Models Requirements
Art Assets Conversion
Content Optimization
Materials
Hierarchy and Inheritance
Custom Materials
Tutorials
Adding Morph Targets
Setting Up Object LODs
Adding Sun, Sky and Clouds
Adding Impostors to Clutters
Unigine Demos
Migrating from UNIGINE 2.1.1 to UNIGINE 2.2
API Migration
Startup CLIs Migration
Console Migration
Content Migration
Table of Contents
Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

What's Inside?

In This Article:

UNIGINE engine is a fully-featured 3D platform designed for creation of interactive virtual worlds with a photo-realistic quality. This powerful and extremely flexible solution is used for real-time simulation (transportation, military training, etc.), visualization (architecture, media installations, etc.) and game development.

However, UNIGINE is not some sort of application building constructor: it is a very robust, feature-rich, and optimized software library with a set of tools. So you will need some people in the team with programming skills (preferrably C++) to utilize the UNIGINE power for your projects. Please also note that some features are optional, depending on the SDK edition (Starter / Professional / Sim).

UNIGINE provides support for Windows, Linux and Mac OS X.

For more details, see hardware requirements.

Renderer

The UNIGINE image generator provides a near-photorealistic rendering of visual scenes based on sophisticated shading and lighting models, accurate atmosphere model, advanced special effects and lifelike post-processing.

  • Physically based rendering (PBR)
  • GGX BRDF: realistic speck from light sources
  • Ultra-quality environment probes
  • Energy conservation model
  • Microfiber effect for fabric
  • Cinematic post-effects: SSAO, motion blur, chromatic aberrations, grain effect, sharpness filter, etc.
  • Atmospheric light scattering for realistic simulation of the atmosphere
  • Excellent rendering of vast, detailed masses of vegetation
  • Configurable forward and deferred rendering
  • Support for GLSL, HLSL and UUSL languages for shaders
  • Support for both DirectX 11 and OpenGL 4.x

Image Output Schemas

UNIGINE handles various image output schemas:

Scene Manager

Built-in advanced scene manager is designed for handling virtual worlds of unprecedented scale filled with thousands of objects.

  • Support for 64-bit double precision of coordinates
  • Scene graph providing nodes hierarchy, easy control over nodes and branches relative object-space transformations, spatial multi-tree subdivision
  • Asynchronous data streaming
  • Advanced LOD system
  • Increased camera precision
  • Procedural placement of big amount of objects
  • Sectors / portals system for optimization of complex indoor scenes
  • Support for geo-coordinates
  • Extremely fast intersection / line of sight tests
  • Increased visibility distance

Built-in Objects

UNIGINE provides a set of built-in objects allowing you to create a complex, dynamic virtual world:

  • Nodes serve to organize other nodes into a hierarchy, create new pivot points and triggers
  • Light sources represent different kinds of the scene illumination: global, omni-directional, projected, etc.
  • Objects represent imitations of entities present in the real world: objects, sky, terrains, water, etc.
  • Effects contain particles systems, physical fields, volumetric objects, decals, etc.
  • Players represent different kinds of cameras

Physics Engine

There is a built-in physics engine available. Please take into the account that it is designed primarily for "game-level" physics simulation: for accurate simulation of physical processes (e.g.: flight dynamics model) it is recommeded to use the specialized solutions.

  • Collision detection and rigid body physics
  • Rag dolls
  • Various joints, motors and springs
  • Deformable cloth and rope physics
  • Dynamic destruction of objects
  • Force fields
  • Fluid buoyancy and two-way interaction
  • Time reverse feature

Application Programming Interfaces

You can choose among powerful UNIGINE APIs:
  • C++ API for maximum performance and seamless integration with the existing code base
  • C# API for a good balance between speed and ease of use
  • Fast iterative scripting with UnigineScript, featuring instant compilation

Input Systems

UNIGINE handles various user input schemas:
  • Standard PC keyboards and mice
  • Multi-touch screens
  • Gamepads and joysticks
  • Head trackers
  • 6 DOF positioning devices
  • Motion capture systems

There is also our API for adding custom devices.

Audio System

Multi-channel audio system with support for:

  • 3D effects
  • Sound occlusion
  • Reverberation zones

Pathfinding System

Any AI agent can use our built-in 2D/3D pathfinding module, featuring dynamic obstacle management, and deferred route detection.

Graphical User Interface

There are several ways to implement GUIs in UNIGINE-powered applications:

Tools

  • UnigineEditor provides the core functionality for creation and editing of virtual worlds for UNIGINE-based applications. It allows you to easily view and modify virtual worlds by adding, transforming and editing the nodes.
  • SDK browser for easy access to the SDK components and updates
  • Performance profiling tools
  • A set of other utilities for data conversion and compression
Last update: 2017-07-03
Build: ()