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-PerspectiveCamera - Camera with perspective projection
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----------------------------------------------------------
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-
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-.. ...............................................................................
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-.. rubric:: Constructor
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-.. ...............................................................................
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-
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-.. class:: PerspectiveCamera( fov, aspect, near, far )
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-
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- Camera with perspective projection
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-
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- Part of scene graph
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-
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- Inherits from :class:`Object3D` :class:`Camera`
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-
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- :param float fov: field of view
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- :param float aspect: aspect ratio
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- :param float near: near
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- :param float far: far
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-
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-
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-.. ...............................................................................
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-.. rubric:: Attributes
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-.. ...............................................................................
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-
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-.. attribute:: PerspectiveCamera.fov
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-
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- Camera frustum vertical field of view
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-
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-.. attribute:: PerspectiveCamera.aspect
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-
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- Camera frustum aspect ratio
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-
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-.. attribute:: PerspectiveCamera.near
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-
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- Camera frustum near plane
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-
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-.. attribute:: PerspectiveCamera.far
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-
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- Camera frustum far plane
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-
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-.. ...............................................................................
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-.. rubric:: Multi-view attributes
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-.. ...............................................................................
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-
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-.. attribute:: PerspectiveCamera.fullWidth
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-.. attribute:: PerspectiveCamera.fullHeight
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-.. attribute:: PerspectiveCamera.x
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-.. attribute:: PerspectiveCamera.y
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-.. attribute:: PerspectiveCamera.width
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-.. attribute:: PerspectiveCamera.height
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-
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-
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-.. ...............................................................................
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-.. rubric:: Methods
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-.. ...............................................................................
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-
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-.. function:: PerspectiveCamera.updateProjectionMatrix()
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-
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- Updates camera's projection matrix. Must be called after change of parameters.
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-
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-.. function:: PerspectiveCamera.setLens ( focalLength, frameSize )
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-
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- Uses focal length (in mm) to estimate and set FOV
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- 35mm (fullframe) camera is used if frame size is not specified.
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-
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- Formula based on http://www.bobatkins.com/photography/technical/field_of_view.html
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-
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- :param float focalLength: focal length
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- :param float frameSize: frame size
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-
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-.. function:: PerspectiveCamera.setViewOffset ( fullWidth, fullHeight, x, y, width, height )
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-
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- Sets an offset in a larger frustum. This is useful for multi-window or
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- multi-monitor/multi-machine setups.
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-
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- For example, if you have 3x2 monitors and each monitor is 1920x1080 and
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- the monitors are in grid like this:
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-
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- +---+---+---+
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- | A | B | C |
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- +---+---+---+
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- | D | E | F |
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- +---+---+---+
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-
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- then for each monitor you would call it like this:
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-
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- ::
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-
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- var w = 1920;
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- var h = 1080;
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- var fullWidth = w * 3;
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- var fullHeight = h * 2;
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-
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- // --A--
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- camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );
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- //--B--
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- camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );
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- //--C--
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- camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );
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- //--D--
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- camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );
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- //--E--
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- camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );
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- //--F--
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- camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );
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-
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- Note there is no reason monitors have to be the same size or in a grid.
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-
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- :param float fullWidth: full width of multi-view setup
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- :param float fullHeight: full height of multi-view setup
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- :param float x: x-offset of subcamera
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- :param float y: y-offset of subcamera
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- :param float width: width of subcamera
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- :param float height: height of subcamera
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-
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-
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-.. ...............................................................................
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-.. rubric:: Example
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-.. ...............................................................................
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-
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-::
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-
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- var camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
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- scene.add( camera );
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