Class: Camera

Members

protected_aspectNumber

Aspect ratio.

protected_bVec3

Camera forward vector.

protected_normalMatrixMat3

Camera normal matrix.

protected_rVec3

Camera right vector.

protected_uVec3

Camera up vector.

protected_viewAngleNumber

Camera view angle in degrees

protected_viewMatrixMat4

Camera view matrix.

eventsEvents

Camera events handler

eyeVec3

Camera position.

eyeHighVec3

Camera RTE high position

eyeLowVec3

Camera RTE low position

rendererRenderer

Assigned renderer

Methods

_init(renderer, options)

og/camera/Camera.js, line 208

Camera initialization.

Name	Type	Description
renderer	Renderer	OpenGlobus renderer object.
options	Object	optional Camera options: Name Type Description viewAngle number optional Camera angle of view. Default is 30.0 near number optional Camera near plane distance. Default is 1.0 far number optional Camera far plane distance. Deafult is og.math.MAX eye Vec3 optional Camera eye position. Default (0,0,0) look Vec3 optional Camera look position. Default (0,0,0) up Vec3 optional Camera eye position. Default (0,1,0)

_setProj(angle, aspect)

og/camera/Camera.js, line 317

Sets up camera projection

Name	Type	Description
angle	nnumber	Camera's view angle
aspect	number	Screen aspect ration

getAspectRatio(){number}

og/camera/Camera.js, line 307

Returns aspect ratio

Returns:

Type	Description
number	- Aspect ratio

getInverseProjectionMatrix(){Mat4}

og/camera/Camera.js, line 621

Returns inverse projection matrix.

Returns:

Type	Description
Mat4	- Inversed projection-view matrix.

getInverseProjectionViewMatrix(){Mat4}

og/camera/Camera.js, line 612

Returns inverse projection and model matrix product.

Returns:

Type	Description
Mat4	- Inversed projection-view matrix.

getNormalMatrix(){Mat3}

og/camera/Camera.js, line 564

Returns normal matrix.

Returns:

Type	Description
Mat3	- Normal matrix.

getProjectionMatrix(){Mat4}

og/camera/Camera.js, line 594

Returns projection matrix.

Returns:

Type	Description
Mat4	- Projection matrix.

getProjectionViewMatrix(){Mat4}

og/camera/Camera.js, line 603

Returns projection and model matrix product.

Returns:

Type	Description
Mat4	- Projection-view matrix.

getViewAngle(){number}

og/camera/Camera.js, line 350

Gets camera view angle in degrees

Returns:

Type	Description
number	angle -

getViewMatrix(){Mat4}

og/camera/Camera.js, line 573

Returns model matrix.

Returns:

Type	Description
Mat4	- View matrix.

look(look, up)

og/camera/Camera.js, line 384

Sets camera look point

Name	Type	Description
look	Vec3	Look point
up	Vec3	optional Camera up vector otherwise camera current up vector(this._u)

pitch(angle)

og/camera/Camera.js, line 431

Pitch the camera to the angle in degrees

Name	Type	Description
angle	number	Delta pitch angle in degrees

project(v){Vec2}

og/camera/Camera.js, line 495

Gets projected 3d point to the 2d screen coordiantes

Name	Type	Description
v	Vec3	Cartesian 3d coordiantes

Returns:

Type	Description
Vec2	- Screen point coordinates

projectedSize(p, r){number}

og/camera/Camera.js, line 555

Gets 3d size factor. Uses in LOD distance calculation.

Name	Type	Description
p	Vec3	Far point.
r	Vec3	Far point.

Returns:

Type	Description
number	- Size factor.

refresh()

og/camera/Camera.js, line 287

Refresh camera matrices

roll(angle)

og/camera/Camera.js, line 410

Roll the camera to the angle in degrees

Name	Type	Description
angle	number	Delta roll angle in degrees

rotateAround(angle, isArc, center, up)

og/camera/Camera.js, line 510

Rotates camera around center point

Name	Type	Description
angle	number	Rotation angle in radians
isArc	boolean	If true camera up vector gets from current up vector every frame, otherwise up is always input parameter.
center	Vec3	Point that the camera rotates around
up	Vecto3	optional Camera up vector

rotateHorizontal(angle, isArc, center, up)

og/camera/Camera.js, line 535

Rotates camera around center point by horizontal.

Name	Type	Description
angle	number	Rotation angle in radians.
isArc	boolaen	If true camera up vector gets from current up vector every frame, otherwise up is always input parameter.
center	Vec3	Point that the camera rotates around.
up	Vec3	optional Camera up vector.

rotateVertical(angle, center)

og/camera/Camera.js, line 544

Rotates camera around center point by vecrtical.

Name	Type	Description
angle	number	Rotation angle in radians.
center	Vec3	Point that the camera rotates around.

set(eye, look, up){Camera}

og/camera/Camera.js, line 362

Sets camera to eye position

Name	Type	Description
eye	Vec3	Camera position
look	Vec3	Look point
up	Vec3	Camera up vector

Returns:

Type	Description
Camera	- This camera

setAspectRatio(aspect)

og/camera/Camera.js, line 297

Sets aspect ratio

Name	Type	Description
aspect	Number	Camera aspect ratio

setViewAngle(angle)

og/camera/Camera.js, line 340

Sets camera view angle in degrees

Name	Type	Description
angle	number	View angle

slide(du, dv, dn)

og/camera/Camera.js, line 399

Slides camera to vector d - (du, dv, dn)

Name	Type	Description
du	number	delta X
dv	number	delta Y
dn	number	delta Z

unproject(x, y){Vec3}

og/camera/Camera.js, line 475

Returns normal vector direction to to the unprojected screen point from camera eye

Name	Type	Description
x	number	Scren X coordinate
y	number	Scren Y coordinate

Returns:

Type	Description
Vec3	- Direction vector

abstractupdate()

og/camera/Camera.js, line 247

Updates camera view space

yaw(angle)

og/camera/Camera.js, line 452

Yaw the camera to the angle in degrees

Name	Type	Description
angle	number	Delta yaw angle in degrees