Baseline Widely available
DOMMatrix
ã¯ã2D ã¾ã㯠3D ã®å転ãå¹³è¡ç§»åãªã©ã®å¤æã«é©ãã 4Ã4 è¡åã表ãã¾ãã ãã㯠DOMMatrixReadOnly
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®å¤æ´å¯è½ãªãã¼ã¸ã§ã³ã§ãã
WebKitCSSMatrix
ããã³ SVGMatrix
㯠DOMMatrix
ã®å¥åã§ãã
ãã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ã¦ã§ãã¯ã¼ã«ã¼å ã§å©ç¨ã§ããã¯ãã§ãããä¸é¨ã®å®è£ ã¯ã¾ã ãããªã£ã¦ãã¾ããã
DOMMatrixReadOnly DOMMatrix ã³ã³ã¹ãã©ã¯ã¿ã¼DOMMatrix()
æ°ãã DOMMatrix
ãªãã¸ã§ã¯ãã使ãã¾ãã
ãã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ DOMMatrixReadOnly
ããããããã£ãç¶æ¿ãã¦ãã¾ãããä¸é¨ã®ããããã£ã¯å¤æ´å¯è½ã«å¤æ´ããã¦ãã¾ãã
is2D
èªåå°ç¨
è«çå¤ãã©ã°ã§ãããå¤ã true
ã®å ´åãè¡å㯠2D è¡åã¨ãã¦åæåããã¾ãã false
ã®å ´åãè¡å㯠3D ã¨ãªãã¾ãã
isIdentity
èªåå°ç¨
è¡åãåä½è¡åã§ããå ´åã« true
ã¨ãªãè«çå¤ã§ããåä½è¡åã¨ã¯ãå·¦ä¸ããå³ä¸ã¸ã®å¯¾è§ç·ä¸ã«ããå¤ï¼è¨ãæããã°ãåæ¹åã®ãªãã»ãããçããå¤ï¼ãé¤ãã¦ããã¹ã¦ã®å¤ã 0
ã¨ãªãè¡åã®ãã¨ã§ãã
m11
, m12
, m13
, m14
, m21
, m22
, m23
, m24
, m31
, m32
, m33
, m34
, m41
, m42
, m43
, m44
4Ã4 è¡åã®åæåã表ãå精度浮åå°æ°ç¹æ°ã§ã m11
ãã m14
ãæåã®åã m21
ãã m24
ã 2 ã¤ç®ã®åãã¨ããããã«ãªãã¾ãã
a
, b
, c
, d
, e
, f
2D ã®å転ã¨å¹³è¡ç§»åãè¡ãããã«å¿ è¦ã¨ãªãã 4Ã4 è¡åã®æåã表ãå精度浮åå°æ°ç¹æ°ã®å¤ã§ããä¸è¨ã«ç¤ºãããã«ãããã㯠4Ã4 è¡åã®ç¹å®ã®æåã®å¥åã§ãã
2D 3D ã®ç¸å½åa
m11
b
m12
c
m21
d
m22
e
m41
f
m42
ãã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã«ã¯ä»¥ä¸ã®ã¡ã½ããããããã¾ã DOMMatrixReadOnly
ããç¶æ¿ããã¡ã½ãããããã¾ãã
DOMMatrix.invertSelf()
ãã®è¡åãéè¡åã«å¤æ´ãã¾ããéè¡åã«ã§ããªãå ´åããã®æåã¯ãã¹ã¦ NaN
ã«è¨å®ãããis2D
㯠false
ãè¿ãã¾ãã
DOMMatrix.multiplySelf()
æå®ãã DOMMatrix
ã¨å¾ä¹ç®ãããã¨ã§ãè¡åã夿´ãã¾ããããã¯ç¹ç© Aâ
B
ã¨ç価ã§ãããè¡å A
ã¯å
¥åè¡åã B
ã¯ã¡ã½ããã¸ã®å
¥åã¨ãã¦æå®ãããè¡åã§ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.preMultiplySelf()
æå®ãã DOMMatrix
ã¨ã®åä¹ç®ã«ãã£ã¦ãè¡åã夿´ãã¾ããããã¯ç¹ç© Bâ
A
ã¨ç価ã§ãããè¡å A
ã¯å
¥åè¡åã B
ã¯ã¡ã½ããã¸ã®å
¥åã¨ãã¦æå®ãããè¡åã§ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.translateSelf()
æå®ãããã¯ãã«ãé©ç¨ãã¦è¡åã夿´ãã¾ããæ¢å®å¤ã§ã¯ [0, 0, 0]
ã§ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.scaleNonUniformSelf()
鿍奍;
æå®ãããåç¹ãä¸å¿ã¨ãã¦ãXãYãZ è»¸ã«æå®ããæ¡å¤§ç¸®å°ãé©ç¨ãã¦è¡åã夿´ãã¾ããæ¢å®å¤ã¯ãY 軸㨠Z 軸ã®åçã¯ã©ã¡ãã 1
ã§ãããX 軸ã®åçã¯æå®ããå¿
è¦ãããã¾ããæ¢å®å¤ã§ã¯åç¹ã¯ (0, 0, 0)
ã§ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.scaleSelf()
æå®ããåç¹ãä¸å¿ã¨ãã¦ãæå®ããåçãé©ç¨ãã¦è¡åã夿´ãã¾ããã¾ããããèªèº«ãè¿ãã¾ããæ¢å®ã§ã¯ãåç㯠3 軸ãã¹ã¦ 1
ã§ãåç¹ã¯ (0, 0, 0)
ã§ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.scale3dSelf()
æå®ãããåç¹ãä¸å¿ã¨ãã 3 ã¤ã®è»¸ãã¹ã¦ã«ãæå®ãããåçãé©ç¨ãã¦è¡åã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.rotateSelf()
æå®ãã度æ°ã ãå軸ã®å¨ããå転ãããã¨ã§ãè¡åã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.rotateAxisAngleSelf()
æå®ããããã¯ãã«ãä¸å¿ã«ãæå®ããè§åº¦ã ãå転ããããã«è¡åã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.rotateFromVectorSelf()
è¡åããæå®ãããã¯ãã«ã¨ (1, 0)
ã¨ã®ãªãè§ã ãå転ããããã¨ã«ãã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.setMatrixValue()
è¡åã®å 容ããæå®ãã夿ã§è¨è¿°ãããè¡åã§ç½®ãæãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.skewXSelf()
X è»¸ã«æ²¿ã£ã¦ãæå®ããå¾ã夿ãé©ç¨ãã¦è¡åã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
DOMMatrix.skewYSelf()
æå®ããå¾ã夿ã Y è»¸ã«æ²¿ã£ã¦é©ç¨ãããã¨ã§ãè¡åã夿´ãã¾ããèªåèªèº«ãè¿ãã¾ãã
ãã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ DOMMatrixReadOnly
ããã¡ã½ãããç¶æ¿ãã¦ãã¾ãã
fromFloat32Array()
æå®ãããå精度ï¼32 ãããï¼æµ®åå°æ°ç¹æ°ã®é
åããã夿´å¯è½ãªæ°ãã DOMMatrix
ãªãã¸ã§ã¯ãã使ãã¾ããé
åã« 6 åã®å¤ãããå ´åãçµæã¯ 2D è¡åã«ãªããé
åã« 16 åã®å¤ãããå ´åãçµæã¯ 3D è¡åã«ãªãã¾ããããã§ãªãå ´åã TypeError
ä¾å¤ãçºçãã¾ãã
fromFloat64Array()
å精度ï¼64 ãããï¼æµ®åå°æ°ç¹å¤ã®é
åãæå®ãããå ´åã夿´å¯è½ãªæ°ãã DOMMatrix
ãªãã¸ã§ã¯ãã使ãã¾ããé
åã« 6 ã¤ã®å¤ãããå ´åãçµæã¯ 2D è¡åã«ãªããé
åã« 16 åã®å¤ãããå ´åãçµæã¯ 3D è¡åã«ãªãã¾ããããã§ãªãå ´åã TypeError
ä¾å¤ãçºçãã¾ãã
fromMatrix()
æ¢åã®è¡åããããã¯ãã®ããããã£ã®å¤ãæä¾ãããªãã¸ã§ã¯ããæå®ãããå ´åãæ°ãã夿´å¯è½ãª DOMMatrix
ãªãã¸ã§ã¯ãã使ãã¾ãã
DOMMatrix
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã§å®ç¾©ãããè¡åã¯ã4è¡4åã§æ§æããã¾ãããã®è¨äºã§æ°å¦ã説æãããã¨ã¯ã§ãã¾ãããããã® 4Ã4 ã®ãµã¤ãºã¯ã 2D ã¾ã㯠3D ã®ã¸ãªã¡ããªã¼ã«é©ç¨ãã夿ãè¨è¿°ããã®ã«ååã§ãã
4Ã4 ã®æ½è±¡è¡åãæ§æãã 16 åã®è¦ç´ ï¼m_11 ãã m_44ï¼ã®ä½ç½®ã示ãã¾ãã
[ m 11 m 21 m 31 m 41 m 12 m 22 m 32 m 42 m 13 m 23 m 33 m 43 m 14 m 24 m 34 m 44 ] \left [ \begin{matrix} m_{11} & m_{21} & m_{31} & m_{41} \\ m_{12} & m_{22} & m_{32} & m_{42} \\ m_{13} & m_{23} & m_{33} & m_{43} \\ m_{14} & m_{24} & m_{34} & m_{44} \end{matrix} \right ]DOMMatrix
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã¯ããã¼ã¯ã¢ããå
ã®ãã¹ã¦ã®è¡åã«ä½¿ç¨ãããã¨ãæå³ãã¦è¨è¨ããã¦ãã¾ãã
DOMMatrixReadOnly
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