Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
sxychenjing
engine
提交
3101dff3
E
engine
项目概览
sxychenjing
/
engine
与 Fork 源项目一致
从无法访问的项目Fork
通知
3
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
E
engine
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
未验证
提交
3101dff3
编写于
11月 30, 2020
作者:
F
Ferhat
提交者:
GitHub
11月 30, 2020
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[web] Optimize Matrix4.identity (#22622)
上级
f4ada800
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
42 addition
and
34 deletion
+42
-34
lib/web_ui/lib/src/engine/vector_math.dart
lib/web_ui/lib/src/engine/vector_math.dart
+42
-34
未找到文件。
lib/web_ui/lib/src/engine/vector_math.dart
浏览文件 @
3101dff3
...
...
@@ -67,7 +67,12 @@ class Matrix4 {
Matrix4
.
zero
()
:
_m4storage
=
Float32List
(
16
);
/// Identity matrix.
factory
Matrix4
.
identity
()
=>
Matrix4
.
zero
()..
setIdentity
();
Matrix4
.
identity
()
:
_m4storage
=
Float32List
(
16
)
{
_m4storage
[
15
]
=
1.0
;
_m4storage
[
0
]
=
1.0
;
_m4storage
[
5
]
=
1.0
;
_m4storage
[
10
]
=
1.0
;
}
/// Copies values from [other].
factory
Matrix4
.
copy
(
Matrix4
other
)
=>
Matrix4
.
zero
()..
setFrom
(
other
);
...
...
@@ -98,14 +103,12 @@ class Matrix4 {
..
setRotationZ
(
radians
);
/// Translation matrix.
factory
Matrix4
.
translation
(
Vector3
translation
)
=>
Matrix4
.
zero
()
..
setIdentity
()
factory
Matrix4
.
translation
(
Vector3
translation
)
=>
Matrix4
.
identity
()
..
setTranslation
(
translation
);
/// Translation matrix.
factory
Matrix4
.
translationValues
(
double
x
,
double
y
,
double
z
)
=>
Matrix4
.
zero
()
..
setIdentity
()
Matrix4
.
identity
()
..
setTranslationRaw
(
x
,
y
,
z
);
/// Scale matrix.
...
...
@@ -198,6 +201,9 @@ class Matrix4 {
/// Copy into [arg].
Matrix4
copyInto
(
Matrix4
arg
)
{
final
Float32List
argStorage
=
arg
.
_m4storage
;
// Start reading from the last element to eliminate range checks
// in subsequent reads.
argStorage
[
15
]
=
_m4storage
[
15
];
argStorage
[
0
]
=
_m4storage
[
0
];
argStorage
[
1
]
=
_m4storage
[
1
];
argStorage
[
2
]
=
_m4storage
[
2
];
...
...
@@ -213,7 +219,6 @@ class Matrix4 {
argStorage
[
12
]
=
_m4storage
[
12
];
argStorage
[
13
]
=
_m4storage
[
13
];
argStorage
[
14
]
=
_m4storage
[
14
];
argStorage
[
15
]
=
_m4storage
[
15
];
return
arg
;
}
...
...
@@ -248,6 +253,7 @@ class Matrix4 {
final
double
sy
=
y
??
x
;
final
double
sz
=
z
??
x
;
const
double
sw
=
1.0
;
_m4storage
[
15
]
*=
sw
;
_m4storage
[
0
]
*=
sx
;
_m4storage
[
1
]
*=
sx
;
_m4storage
[
2
]
*=
sx
;
...
...
@@ -263,7 +269,6 @@ class Matrix4 {
_m4storage
[
12
]
*=
sw
;
_m4storage
[
13
]
*=
sw
;
_m4storage
[
14
]
*=
sw
;
_m4storage
[
15
]
*=
sw
;
}
/// Create a copy of [this] scaled by a [Vector3], [Vector4] or [x],[y], and
...
...
@@ -272,6 +277,7 @@ class Matrix4 {
/// Zeros [this].
void
setZero
()
{
_m4storage
[
15
]
=
0.0
;
_m4storage
[
0
]
=
0.0
;
_m4storage
[
1
]
=
0.0
;
_m4storage
[
2
]
=
0.0
;
...
...
@@ -287,11 +293,11 @@ class Matrix4 {
_m4storage
[
12
]
=
0.0
;
_m4storage
[
13
]
=
0.0
;
_m4storage
[
14
]
=
0.0
;
_m4storage
[
15
]
=
0.0
;
}
/// Makes [this] into the identity matrix.
void
setIdentity
()
{
_m4storage
[
15
]
=
1.0
;
_m4storage
[
0
]
=
1.0
;
_m4storage
[
1
]
=
0.0
;
_m4storage
[
2
]
=
0.0
;
...
...
@@ -307,7 +313,6 @@ class Matrix4 {
_m4storage
[
12
]
=
0.0
;
_m4storage
[
13
]
=
0.0
;
_m4storage
[
14
]
=
0.0
;
_m4storage
[
15
]
=
1.0
;
}
/// Returns the tranpose of this.
...
...
@@ -337,34 +342,35 @@ class Matrix4 {
/// Returns the determinant of this matrix.
double
determinant
()
{
final
Float32List
m
=
_m4storage
;
final
double
det2_01_01
=
_m4storage
[
0
]
*
_m4storage
[
5
]
-
_m4storage
[
1
]
*
_m4storage
[
4
];
m
[
0
]
*
m
[
5
]
-
m
[
1
]
*
m
[
4
];
final
double
det2_01_02
=
_m4storage
[
0
]
*
_m4storage
[
6
]
-
_m4storage
[
2
]
*
_m4storage
[
4
];
m
[
0
]
*
m
[
6
]
-
m
[
2
]
*
m
[
4
];
final
double
det2_01_03
=
_m4storage
[
0
]
*
_m4storage
[
7
]
-
_m4storage
[
3
]
*
_m4storage
[
4
];
m
[
0
]
*
m
[
7
]
-
m
[
3
]
*
m
[
4
];
final
double
det2_01_12
=
_m4storage
[
1
]
*
_m4storage
[
6
]
-
_m4storage
[
2
]
*
_m4storage
[
5
];
m
[
1
]
*
m
[
6
]
-
m
[
2
]
*
m
[
5
];
final
double
det2_01_13
=
_m4storage
[
1
]
*
_m4storage
[
7
]
-
_m4storage
[
3
]
*
_m4storage
[
5
];
m
[
1
]
*
m
[
7
]
-
m
[
3
]
*
m
[
5
];
final
double
det2_01_23
=
_m4storage
[
2
]
*
_m4storage
[
7
]
-
_m4storage
[
3
]
*
_m4storage
[
6
];
final
double
det3_201_012
=
_m4storage
[
8
]
*
det2_01_12
-
_m4storage
[
9
]
*
det2_01_02
+
_m4storage
[
10
]
*
det2_01_01
;
final
double
det3_201_013
=
_m4storage
[
8
]
*
det2_01_13
-
_m4storage
[
9
]
*
det2_01_03
+
_m4storage
[
11
]
*
det2_01_01
;
final
double
det3_201_023
=
_m4storage
[
8
]
*
det2_01_23
-
_m4storage
[
10
]
*
det2_01_03
+
_m4storage
[
11
]
*
det2_01_02
;
final
double
det3_201_123
=
_m4storage
[
9
]
*
det2_01_23
-
_m4storage
[
10
]
*
det2_01_13
+
_m4storage
[
11
]
*
det2_01_12
;
return
-
det3_201_123
*
_m4storage
[
12
]
+
det3_201_023
*
_m4storage
[
13
]
-
det3_201_013
*
_m4storage
[
14
]
+
det3_201_012
*
_m4storage
[
15
];
m
[
2
]
*
m
[
7
]
-
m
[
3
]
*
m
[
6
];
final
double
det3_201_012
=
m
[
8
]
*
det2_01_12
-
m
[
9
]
*
det2_01_02
+
m
[
10
]
*
det2_01_01
;
final
double
det3_201_013
=
m
[
8
]
*
det2_01_13
-
m
[
9
]
*
det2_01_03
+
m
[
11
]
*
det2_01_01
;
final
double
det3_201_023
=
m
[
8
]
*
det2_01_23
-
m
[
10
]
*
det2_01_03
+
m
[
11
]
*
det2_01_02
;
final
double
det3_201_123
=
m
[
9
]
*
det2_01_23
-
m
[
10
]
*
det2_01_13
+
m
[
11
]
*
det2_01_12
;
return
-
det3_201_123
*
m
[
12
]
+
det3_201_023
*
m
[
13
]
-
det3_201_013
*
m
[
14
]
+
det3_201_012
*
m
[
15
];
}
/// Returns a new vector or matrix by multiplying [this] with [arg].
...
...
@@ -387,6 +393,7 @@ class Matrix4 {
/// defined by [this].
Vector3
perspectiveTransform
(
Vector3
arg
)
{
final
Float32List
argStorage
=
arg
.
_v3storage
;
final
double
x
=
(
_m4storage
[
0
]
*
argStorage
[
0
])
+
(
_m4storage
[
4
]
*
argStorage
[
1
])
+
(
_m4storage
[
8
]
*
argStorage
[
2
])
+
...
...
@@ -733,6 +740,7 @@ class Matrix4 {
/// Multiply [this] by [arg].
void
multiply
(
Matrix4
arg
)
{
final
double
m33
=
_m4storage
[
15
];
final
double
m00
=
_m4storage
[
0
];
final
double
m01
=
_m4storage
[
4
];
final
double
m02
=
_m4storage
[
8
];
...
...
@@ -748,8 +756,8 @@ class Matrix4 {
final
double
m30
=
_m4storage
[
3
];
final
double
m31
=
_m4storage
[
7
];
final
double
m32
=
_m4storage
[
11
];
final
double
m33
=
_m4storage
[
15
];
final
Float32List
argStorage
=
arg
.
_m4storage
;
final
double
n33
=
argStorage
[
15
];
final
double
n00
=
argStorage
[
0
];
final
double
n01
=
argStorage
[
4
];
final
double
n02
=
argStorage
[
8
];
...
...
@@ -765,7 +773,6 @@ class Matrix4 {
final
double
n30
=
argStorage
[
3
];
final
double
n31
=
argStorage
[
7
];
final
double
n32
=
argStorage
[
11
];
final
double
n33
=
argStorage
[
15
];
_m4storage
[
0
]
=
(
m00
*
n00
)
+
(
m01
*
n10
)
+
(
m02
*
n20
)
+
(
m03
*
n30
);
_m4storage
[
4
]
=
(
m00
*
n01
)
+
(
m01
*
n11
)
+
(
m02
*
n21
)
+
(
m03
*
n31
);
_m4storage
[
8
]
=
(
m00
*
n02
)
+
(
m01
*
n12
)
+
(
m02
*
n22
)
+
(
m03
*
n32
);
...
...
@@ -789,6 +796,7 @@ class Matrix4 {
/// Multiply a transposed [this] with [arg].
void
transposeMultiply
(
Matrix4
arg
)
{
final
double
m33
=
_m4storage
[
15
];
final
double
m00
=
_m4storage
[
0
];
final
double
m01
=
_m4storage
[
1
];
final
double
m02
=
_m4storage
[
2
];
...
...
@@ -804,7 +812,7 @@ class Matrix4 {
final
double
m30
=
_m4storage
[
12
];
final
double
m31
=
_m4storage
[
13
];
final
double
m32
=
_m4storage
[
14
];
final
double
m33
=
_m4storage
[
15
];
final
Float32List
argStorage
=
arg
.
_m4storage
;
_m4storage
[
0
]
=
(
m00
*
argStorage
[
0
])
+
(
m01
*
argStorage
[
1
])
+
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录