Class: CameraControls

CameraControls() → {CameraControls}

new CameraControls() → {CameraControls}

Provides the basic controls for a scene.
Author:
  • Alan Wu
Source:
Returns:
Type
CameraControls

Members

(inner, constant) CLICK_ACTION

Available click actions are MAIN, AUXILIARY and SECONARY.
Properties:
Type Description
Object
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(inner, constant) STATE

Actions states. Available states are NONE, ROTATE, ZOOM, PAN, TOUCH_ROTATE, TOUCH_ZOOM, TOUCH_PAN and SCROLL.
Properties:
Type Description
Object
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Methods

addViewport(name, viewportName)

Add a viewport to the list of available named viewports.
Parameters:
Name Type Description
name String Name of the viewport
viewportName Viewport Viewport to be added
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autoTumble(tumbleDirectionIn, tumbleRateIn, stopOnCameraInputIn)

Setup auto tumble object of the camera which will rotate the camera around the target as if the user is rotating the camera by mouse/touch interaction. The tumbling will only be enabled with enabelAutoTumble.
Parameters:
Name Type Description
tumbleDirectionIn Array direction of the mouse/touch.
tumbleRateIn Number Speed of the tumbling.
stopOnCameraInputIn Boolean Disable the tumbling once the user start interacting with the scene.
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calculatePathNow()

Force recalculation of the current path.
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cameraTransition(startingViewport, endingViewport, durationIn)

Setup a smooth transition object which transition the camera from one viewport to the other in the specified duration. This will not work if rotateCameraTransition is active. To use this object, the transition must be enabled using enableCameraTransition.
Parameters:
Name Type Description
startingViewport Viewport the starting viewport
endingViewport Viewport the viewport ti end the transistion with.
durationIn Number duration of the smooth transition.
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disable()

Disable the camera control.
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disableDeviceOrientation()

Disable rotation using the devices's accelerometer.
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disableRaycaster()

Disable raycaster and remove the internal ray caster object.
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disableSyncControl()

Disable syncControl.
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enable()

Enable the camera control.
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enableAutoTumble()

Enable autotumble.
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enableCameraTransition()

Enable camera transition, rotateCameraTransition amd cameraTransition must be called before camera transition can be enabled.
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enableDeviceOrientation()

Enable rotation using the devices's accelerometer.
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enableDirectionalLightUpdateWithPath(flag)

Enable directional light update as the camera is traveling through path.
Parameters:
Name Type Description
flag Boolean
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enableRaycaster(sceneIn, callbackFunctionIn, hoverCallbackFunctionIn)

Create an internal raycaster object and enable it for picking.
Parameters:
Name Type Description
sceneIn Scene The scene to pick from, it can be different from the camera's scene.
callbackFunctionIn requestCallback The callback for pick event.
hoverCallbackFunctionIn requestCallback The callback for hover over event.
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enableSyncControl()

Enable syncControl.
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getCurrentTimeFrame() → {Array}

Get the current time frame and it will return three values in an array.
Source:
Returns:
- bottom frame, top frame and the proportion.
Type
Array

getCurrentViewport() → {Viewport}

Get the current camera viewport.
Source:
Returns:
Type
Viewport

getDefaultViewport() → {String}

Get the name of the default viewport.
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Returns:
Type
String

getNDCFromDocumentCoords(x, y, positionIn) → {THREE.Vector2}

Get normalised coordinates from windows coordinates.
Parameters:
Name Type Description
x String
y String
positionIn THREE.Vector2 Optional, write the value into this object if it is provided, otherwise a new object will be created and returned.
Source:
Returns:
containing the normalised x and y coordinates.
Type
THREE.Vector2

getNumberOfTimeFrame() → {Number}

Get the number of frame which is determine by number of points in the camera path.
Source:
Returns:
Type
Number

getPlayRate() → {Number}

Get the playRate - this determines how fast it takes to finish one duration.
Source:
Returns:
Type
Number

getRelativeCoordsFromNDC(x, y, positionIn) → {THREE.Vector2}

Get the relative windows coordinates from normalised coordiantes.
Parameters:
Name Type Description
x String
y String
positionIn THREE.Vector2 Optional, write the value into this object if it is provided, otherwise a new object will be created and returned.
Source:
Returns:
containing the relative x and y coordinates.
Type
THREE.Vector2

getTime() → {Number}

Get the current inbuild time,
Source:
Returns:
Type
Number

getViewportFromBoundingBox(boundingBox) → {Viewport}

Get the viewport for the boudning box
Parameters:
Name Type Description
boundingBox Number y coordinate of the centre.
Source:
Returns:
Type
Viewport

getViewportFromCentreAndRadius(centreX, centreY, centreZ, radius, view_angle, clip_distance) → {Viewport}

Get the viewport based on centre, radius, view_angle and clip distance.
Parameters:
Name Type Description
centreX Number x coordinate of the centre.
centreY Number y coordinate of the centre.
centreZ Number z coordinate of the centre.
radius Number radius if the viewport.
view_angle Number view angle.
clip_distance Number clip_distance between the near and far plane.
Source:
Returns:
Type
Viewport

getViewportOfName(name) → {Viewport}

Get the viewport with the provied name stored in this object.
Parameters:
Name Type Description
name String Name of the viewport
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Returns:
Type
Viewport

isAutoTumble() → {Boolean}

Check rather autotumble is active.
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Returns:
Type
Boolean

isDeviceOrientationEnabled()

Check rather device orientation based on accelerometer is on.
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isPlayingPath() → {Boolean}

Check rather the control is currently in path mode.
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Returns:
Type
Boolean

isSyncControl() → {Boolean}

Check rather the camera is in syncControl mode.
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Returns:
Type
Boolean

isTransitioningCamera()

Check if camera transition is active.
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loadPathURL(path_url, finishCallback)

This is an experimental feature. It loads a path - point to point which the camera will travel.
Parameters:
Name Type Description
path_url String The path.
finishCallback requestCallback The callback once the path is load.
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pauseCameraTransition()

Pause the camera transition.
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playPath()

Switch to path mode and begin traveling through the camera path.
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resetView()

Reset the viewport settings to the one provided by default viewport.
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rotateAboutLookAtpoint(axis, Angle)

Rotate around the axis with the amount specified by angle.
Parameters:
Name Type Description
axis THREE.Vector3 The rotational axis.
Angle Number Specify how much the camera shoudl rotate by.
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rotateCameraTransition(axis, angle, duration)

Setup a rotate camera transition object which rotate the camera by the specified the angle in the specified duration. This will not work if cameraTransition is active. To use this object, the transition must be enabled using enableCameraTransition.
Parameters:
Name Type Description
axis THREE.Vector3 the starting viewport
angle Number the viewport ti end the transistion with.
duration Number duration of the smooth transition.
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setCurrentCameraSettings(newViewport)

Set the current camera settings with the provided viewport.
Parameters:
Name Type Description
newViewport Viewport viewport settings.
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setCurrentTimeFrame(targetTimeFrame)

Set the current time frame.
Parameters:
Name Type Description
targetTimeFrame Number bottom frame, top frame and the proportion.
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setCurrentViewport(name) → {Boolean}

Set the viewport with a name if it is found in the list.
Parameters:
Name Type Description
name String Name of the viewport
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Returns:
if viewport is found and set, otherwise false.
Type
Boolean

setDefaultViewport(defaultName) → {Boolean}

Set the default viewport for this CameraControls.
Parameters:
Name Type Description
defaultName String Name of the viewport
Source:
Returns:
true if set successfully, false otherwise.
Type
Boolean

setMouseButtonAction(buttonName, actionName)

Map a mouse click to the specified action.
Parameters:
Name Type Description
buttonName String please see CLICK_ACTION
actionName String please see STATE
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setPathDuration(durationIn)

Set the duration for the camera to travel along the path.
Parameters:
Name Type Description
durationIn Number the duration for the path.
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setPlayRate(playRateIn)

Set the playRate - this determines how fast it takes to finish one duration.
Parameters:
Name Type Description
playRateIn Number The play rate speed.
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setRotationMode(mode)

Set the direction of rotation allowed with this control.
Parameters:
Name Type Description
mode String available options are none, horizontal, vertical and free.
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setTime(timeIn)

Set the current inbuild time,
Parameters:
Name Type Description
timeIn Number this will be used as the current time, it should be between the range of zero and the set duration.
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stopAutoTumble()

Disable the autotumble.
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stopCameraTransition()

Stop the camera transition and remove camera transition and rotate camera transition.
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stopPath()

Stop playing path and switch back to normal control.
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update(timeChanged)

Update all controls related changes - including calculation of the viewport.
Parameters:
Name Type Description
timeChanged Number Time eclipse since last called.
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updateAutoTumble()

Update the autotumble object.
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updateDirectionalLight()

Force an update to the position of the directional light.
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(inner) updatePath(delta)

Update the progress on the path by the specified amount - delta.
Parameters:
Name Type Description
delta Number The amount of time to increment
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(inner) updateTime(delta)

Update the internal timer by the set amount, this can be used to force a time update by setting delta to zero.
Parameters:
Name Type Description
delta Number The amount of time to increment the time by.
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