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3b9a2640
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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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3b9a2640
编写于
10月 24, 2018
作者:
J
Jordan Santell
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电子邮件补丁
差异文件
Fix combined frustum calculation used in setProjectionFromUnion for WebVR/WebXR
上级
84399627
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
7 addition
and
7 deletion
+7
-7
src/renderers/webvr/WebVRUtils.js
src/renderers/webvr/WebVRUtils.js
+7
-7
未找到文件。
src/renderers/webvr/WebVRUtils.js
浏览文件 @
3b9a2640
...
...
@@ -9,7 +9,7 @@ var cameraLPos = new Vector3();
var
cameraRPos
=
new
Vector3
();
/**
* Assumes 2 cameras that are p
erpendicular
and share an X-axis, and that
* Assumes 2 cameras that are p
arallel
and share an X-axis, and that
* the cameras' projection and world matrices have already been set.
* And that near and far planes are identical for both cameras.
*/
...
...
@@ -31,22 +31,22 @@ function setProjectionFromUnion( camera, cameraL, cameraR ) {
var
leftFovL
=
(
projL
[
8
]
-
1
)
/
projL
[
0
];
var
rightFovR
=
(
projR
[
8
]
+
1
)
/
projR
[
0
];
var
leftL
=
leftFovL
*
near
;
var
rightR
=
rightFovR
*
near
;
var
leftL
=
near
*
leftFovL
;
var
rightR
=
near
*
rightFovR
;
var
topL
=
near
*
(
projL
[
9
]
+
1
)
/
projL
[
5
];
var
topR
=
near
*
(
projR
[
9
]
+
1
)
/
projR
[
5
];
var
bottomL
=
near
*
(
projL
[
9
]
-
1
)
/
projL
[
5
];
var
bottomR
=
near
*
(
projR
[
9
]
-
1
)
/
projR
[
5
];
// Calculate the new camera's position offset from the
// left camera.
var
zOffset
=
ipd
/
(
leftFovL
-
rightFovR
);
var
xOffset
=
zOffset
*
leftFovL
;
// left camera.
xOffset should be roughly half `ipd`.
var
zOffset
=
ipd
/
(
-
leftFovL
+
rightFovR
);
var
xOffset
=
zOffset
*
-
leftFovL
;
// TODO: Better way to apply this offset?
cameraL
.
matrixWorld
.
decompose
(
camera
.
position
,
camera
.
quaternion
,
camera
.
scale
);
camera
.
translateX
(
xOffset
);
camera
.
translateZ
(
-
zOffset
*
2
);
camera
.
translateZ
(
zOffset
);
camera
.
matrixWorld
.
compose
(
camera
.
position
,
camera
.
quaternion
,
camera
.
scale
);
camera
.
matrixWorldInverse
.
getInverse
(
camera
.
matrixWorld
);
...
...
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