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Camera

Perspective

Lens Size and Angle
Control the field of view angle.
Manual cycles camera persp.png

Orthographic

Scale
Controls the size of objects projected on the image.
Manual cycles camera ortho.png

Panoramic

Cycles supports Equirectangular and Fisheye panoramic cameras. Note that these can't be displayed with OpenGL rendering in the viewport; they will only work for rendering.

Equirectangular

Render a panoramic view of the scenes from the camera location and use an equirectangular projection, always rendering the full 360° over the X-axis and 180° over the Y-axis.

This projection is compatible with the environment texture as used for world shaders, so it can be used to render an environment map. To match the default mapping, set the camera object rotation to (90, 0, -90) or pointing along the positive X-axis. This corresponds to looking at the center of the image using the default environment texture mapping.

Fisheye

Fisheye lenses are typically wide angle lenses with strong distortion, useful for creating panoramic images for e.g. dome projection, or as an artistic effect. The Fisheye Equisolid lens will best match real cameras. It provides a lens focal length and field of view angle, and will also take the sensor dimensions into account.

The Fisheye Equidistant lens does not correspond to any real lens model; it will give a circular fisheye that doesn't take any sensor information into account but rather uses the whole sensor. This is a good lens for full dome projection.

Lens
Lens focal length in millimeter.
Field of View
Field of view angle, going to 360 and more to capture the whole environment.

Depth of Field

Aperture Type
Method with which to specify the size of the camera opening through which light enters. With Radius the radius of the opening can be specified, while F/Stop specifies the size relative to the camera focal length, a measure more common in photography. Their relation is: aperture radius = focal length / (2 f-stop)
Aperture Size
Also called lens radius. If this is zero, all objects will appear in focus, while larger values will make objects farther than the focal distance appear out of focus.
Aperture F/Stop
Also called F-number or relative aperture. Lower numbers give more depth of field; higher numbers give a sharper image.
Aperture Blades
If this setting is 3 or more, a polygonal-shaped aperture will be used instead of a circle, which will affect the shape of out of focus highlights in the rendered image.
Aperture Rotation
Rotation of the Aperture Blades.
Aperture Ratio
Distortion to simulate anamorphic lens. The Aperture Ratio is the height by the width of the bokeh and allows for non-circular bokehs.
Focal Distance
Distance at which objects are in perfect focus. Alternatively, an object can be specified whose distance from the camera will be used.

Clipping

Clip Start and End
The interval in which objects are directly visible. Any objects outside this range still influence the image indirectly, as further light bounces are not clipped. For OpenGL rendering, setting clipping distances to limited values is important to ensure sufficient rasterization precision. Ray tracing does not suffer from this issue much, and as such more extreme values can safely be set.
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User Manual

World and Ambient Effects

World

Introduction
World Background

Ambient Effects

Mist
Stars (2.69)


Game Engine

Introduction

Introduction to the Game Engine
Game Logic Screen Layout

Logic

Logic Properties and States
The Logic Editor

Sensors

Introduction to Sensors
Sensor Editing
Common Options
-Actuator Sensor
-Always Sensor
-Collision Sensor
-Delay Sensor
-Joystick Sensor
-Keyboard Sensor
-Message Sensor
-Mouse Sensor
-Near Sensor
-Property Sensor
-Radar Sensor
-Random Sensor
-Ray Sensor
-Touch Sensor

Controllers

Introduction
Controller Editing
-AND Controller
-OR Controller
-NAND Controller
-NOR Controller
-XOR Controller
-XNOR Controller
-Expression Controller
-Python Controller

Actuators

Introduction
Actuator Editing
Common Options
-2D Filters Actuator
-Action Actuator
-Camera Actuator
-Constraint Actuator
-Edit Object Actuator
-Game Actuator
-Message Actuator
-Motion Actuator
-Parent Actuator
-Property Actuator
-Random Actuator
-Scene Actuator
-Sound Actuator
-State Actuator
-Steering Actuator
-Visibility Actuator

Game Properties

Introduction
Property Editing

Game States

Introduction

Camera

Introduction
Camera Editing
Stereo Camera
Dome Camera

World

Introduction

Physics

Introduction
Material Physics
No Collision Object
Static Object
Dynamic Object
Rigid Body Object
Soft Body Object
Vehicle Controller
Sensor Object
Occluder Object

Path Finding

Navigation Mesh Modifier

Game Performance

Introduction
System
Display
Framerate and Profile
Level of Detail

Python API

Introduction
Bullet physics
VideoTexture

Deploying

Standalone Player
Licensing of Blender Game

Android Support

Android Game development