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b380dd45
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three.js
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体验新版 GitCode,发现更多精彩内容 >>
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b380dd45
编写于
6月 02, 2011
作者:
G
Gregg Tavares
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差异文件
Added setViewOffset to Camera for multi-monitor displays.
Examples in another commit
上级
3bc83727
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1
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1 changed file
with
71 addition
and
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+71
-1
src/cameras/Camera.js
src/cameras/Camera.js
+71
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未找到文件。
src/cameras/Camera.js
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b380dd45
...
...
@@ -41,7 +41,77 @@ THREE.Camera.prototype.translate = function ( distance, axis ) {
THREE
.
Camera
.
prototype
.
updateProjectionMatrix
=
function
()
{
this
.
projectionMatrix
=
THREE
.
Matrix4
.
makePerspective
(
this
.
fov
,
this
.
aspect
,
this
.
near
,
this
.
far
);
if
(
this
.
fullWidth
)
{
var
aspect
=
this
.
fullWidth
/
this
.
fullHeight
;
var
top
=
Math
.
tan
(
this
.
fov
*
Math
.
PI
/
360
)
*
this
.
near
;
var
bottom
=
-
top
;
var
left
=
aspect
*
bottom
;
var
right
=
aspect
*
top
;
var
width
=
Math
.
abs
(
right
-
left
);
var
height
=
Math
.
abs
(
top
-
bottom
);
this
.
projectionMatrix
=
THREE
.
Matrix4
.
makeFrustum
(
left
+
this
.
x
*
width
/
this
.
fullWidth
,
left
+
(
this
.
x
+
this
.
width
)
*
width
/
this
.
fullWidth
,
top
-
(
this
.
y
+
this
.
height
)
*
height
/
this
.
fullHeight
,
top
-
this
.
y
*
height
/
this
.
fullHeight
,
this
.
near
,
this
.
far
);
}
else
{
this
.
projectionMatrix
=
THREE
.
Matrix4
.
makePerspective
(
this
.
fov
,
this
.
aspect
,
this
.
near
,
this
.
far
);
}
};
/**
* Sets an offset in a larger frustum. This is useful for multi-window or
* multi-monitor/multi-machine setups.
*
* For example, if you have 3x2 monitors and each monitor is 1920x1080 and
* the monitors are in grid like this
*
* +---+---+---+
* | A | B | C |
* +---+---+---+
* | D | E | F |
* +---+---+---+
*
* then for monitor each monitor you would call it like this
*
* var w = 1920;
* var h = 1080;
* var fullWidth = w * 3;
* var fullHeight = h * 2;
*
* --A--
* camera.setOffset(fullWidth, fullHeight, w * 0, h * 0, w, h);
* --B--
* camera.setOffset(fullWidth, fullHeight, w * 1, h * 0, w, h);
* --C--
* camera.setOffset(fullWidth, fullHeight, w * 2, h * 0, w, h);
* --D--
* camera.setOffset(fullWidth, fullHeight, w * 0, h * 1, w, h);
* --E--
* camera.setOffset(fullWidth, fullHeight, w * 1, h * 1, w, h);
* --F--
* camera.setOffset(fullWidth, fullHeight, w * 2, h * 1, w, h);
*
* Note there is no reason monitors have to be the same size or in a grid.
*/
THREE
.
Camera
.
prototype
.
setViewOffset
=
function
(
fullWidth
,
fullHeight
,
x
,
y
,
width
,
height
)
{
this
.
fullWidth
=
fullWidth
;
this
.
fullHeight
=
fullHeight
;
this
.
x
=
x
;
this
.
y
=
y
;
this
.
width
=
width
;
this
.
height
=
height
;
this
.
updateProjectionMatrix
();
};
...
...
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