matrix4f.html

java 3d帮助文档

<A NAME="m21"><!-- --></A><H3>
m21</H3>
<PRE>
public float <B>m21</B></PRE>
<DL>
<DD>The second element of the third row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m22"><!-- --></A><H3>
m22</H3>
<PRE>
public float <B>m22</B></PRE>
<DL>
<DD>The third element of the third row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m23"><!-- --></A><H3>
m23</H3>
<PRE>
public float <B>m23</B></PRE>
<DL>
<DD>The fourth element of the third row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m30"><!-- --></A><H3>
m30</H3>
<PRE>
public float <B>m30</B></PRE>
<DL>
<DD>The first element of the fourth row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m31"><!-- --></A><H3>
m31</H3>
<PRE>
public float <B>m31</B></PRE>
<DL>
<DD>The second element of the fourth row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m32"><!-- --></A><H3>
m32</H3>
<PRE>
public float <B>m32</B></PRE>
<DL>
<DD>The third element of the fourth row.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m33"><!-- --></A><H3>
m33</H3>
<PRE>
public float <B>m33</B></PRE>
<DL>
<DD>The fourth element of the fourth row.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="Matrix4f(float, float, float, float, float, float, float, float, float, float, float, float, float, float, float, float)"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(float&nbsp;m00,
                float&nbsp;m01,
                float&nbsp;m02,
                float&nbsp;m03,
                float&nbsp;m10,
                float&nbsp;m11,
                float&nbsp;m12,
                float&nbsp;m13,
                float&nbsp;m20,
                float&nbsp;m21,
                float&nbsp;m22,
                float&nbsp;m23,
                float&nbsp;m30,
                float&nbsp;m31,
                float&nbsp;m32,
                float&nbsp;m33)</PRE>
<DL>
<DD>Constructs and initializes a Matrix4f from the specified 16 values.
<P>
<DT><B>Parameters:</B><DD><CODE>m00</CODE> - the [0][0] element<DD><CODE>m01</CODE> - the [0][1] element<DD><CODE>m02</CODE> - the [0][2] element<DD><CODE>m03</CODE> - the [0][3] element<DD><CODE>m10</CODE> - the [1][0] element<DD><CODE>m11</CODE> - the [1][1] element<DD><CODE>m12</CODE> - the [1][2] element<DD><CODE>m13</CODE> - the [1][3] element<DD><CODE>m20</CODE> - the [2][0] element<DD><CODE>m21</CODE> - the [2][1] element<DD><CODE>m22</CODE> - the [2][2] element<DD><CODE>m23</CODE> - the [2][3] element<DD><CODE>m30</CODE> - the [3][0] element<DD><CODE>m31</CODE> - the [3][1] element<DD><CODE>m32</CODE> - the [3][2] element<DD><CODE>m33</CODE> - the [3][3] element</DL>
<HR>

<A NAME="Matrix4f(float[])"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(float[]&nbsp;v)</PRE>
<DL>
<DD>Constructs and initializes a Matrix4f from the specified 16
 element array.  this.m00 =v[0], this.m01=v[1], etc.
<P>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - the array of length 16 containing in order</DL>
<HR>

<A NAME="Matrix4f(javax.vecmath.Quat4f, javax.vecmath.Vector3f, float)"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(<A HREF="../../javax/vecmath/Quat4f.html">Quat4f</A>&nbsp;q1,
                <A HREF="../../javax/vecmath/Vector3f.html">Vector3f</A>&nbsp;t1,
                float&nbsp;s)</PRE>
<DL>
<DD>Constructs and initializes a Matrix4f from the quaternion,
 translation, and scale values; the scale is applied only to the
 rotational components of the matrix (upper 3x3) and not to the
 translational components.
<P>
<DT><B>Parameters:</B><DD><CODE>q1</CODE> - the quaternion value representing the rotational component<DD><CODE>t1</CODE> - the translational component of the matrix<DD><CODE>s</CODE> - the scale value applied to the rotational components</DL>
<HR>

<A NAME="Matrix4f(javax.vecmath.Matrix4d)"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(<A HREF="../../javax/vecmath/Matrix4d.html">Matrix4d</A>&nbsp;m1)</PRE>
<DL>
<DD>Constructs a new matrix with the same values as the 
  Matrix4d parameter.
<P>
<DT><B>Parameters:</B><DD><CODE>m1</CODE> - the source matrix</DL>
<HR>

<A NAME="Matrix4f(javax.vecmath.Matrix4f)"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(<A HREF="../../javax/vecmath/Matrix4f.html">Matrix4f</A>&nbsp;m1)</PRE>
<DL>
<DD>Constructs a new matrix with the same values as the
  Matrix4f parameter.
<P>
<DT><B>Parameters:</B><DD><CODE>m1</CODE> - the source matrix</DL>
<HR>

<A NAME="Matrix4f(javax.vecmath.Matrix3f, javax.vecmath.Vector3f, float)"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>(<A HREF="../../javax/vecmath/Matrix3f.html">Matrix3f</A>&nbsp;m1,
                <A HREF="../../javax/vecmath/Vector3f.html">Vector3f</A>&nbsp;t1,
                float&nbsp;s)</PRE>
<DL>
<DD>Constructs and initializes a Matrix4f from the rotation matrix,
 translation, and scale values; the scale is applied only to the
 rotational components of the matrix (upper 3x3) and not to the
 translational components of the matrix.
<P>
<DT><B>Parameters:</B><DD><CODE>m1</CODE> - the rotation matrix representing the rotational components<DD><CODE>t1</CODE> - the translational components of the matrix<DD><CODE>s</CODE> - the scale value applied to the rotational components</DL>
<HR>

<A NAME="Matrix4f()"><!-- --></A><H3>
Matrix4f</H3>
<PRE>
public <B>Matrix4f</B>()</PRE>
<DL>
<DD>Constructs and initializes a Matrix4f to all zeros.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a string that contains the values of this Matrix4f.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the String representation</DL>
</DD>
</DL>
<HR>

<A NAME="setIdentity()"><!-- --></A><H3>
setIdentity</H3>
<PRE>
public final void <B>setIdentity</B>()</PRE>
<DL>
<DD>Sets this Matrix4f to identity.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setElement(int, int, float)"><!-- --></A><H3>
setElement</H3>
<PRE>
public final void <B>setElement</B>(int&nbsp;row,
                             int&nbsp;column,
                             float&nbsp;value)</PRE>
<DL>
<DD>Sets the specified element of this matrix4f to the value provided.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>row</CODE> - the row number to be modified (zero indexed)<DD><CODE>column</CODE> - the column number to be modified (zero indexed)<DD><CODE>value</CODE> - the new value</DL>
</DD>
</DL>
<HR>

<A NAME="getElement(int, int)"><!-- --></A><H3>
getElement</H3>
<PRE>
public final float <B>getElement</B>(int&nbsp;row,
                              int&nbsp;column)</PRE>
<DL>
<DD>Retrieves the value at the specified row and column of this matrix.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>row</CODE> - the row number to be retrieved (zero indexed)<DD><CODE>column</CODE> - the column number to be retrieved (zero indexed)
<DT><B>Returns:</B><DD>the value at the indexed element</DL>
</DD>
</DL>
<HR>

<A NAME="getRow(int, javax.vecmath.Vector4f)"><!-- --></A><H3>
getRow</H3>
<PRE>
public final void <B>getRow</B>(int&nbsp;row,
                         <A HREF="../../javax/vecmath/Vector4f.html">Vector4f</A>&nbsp;v)</PRE>
<DL>
<DD>Copies the matrix values in the specified row into the vector parameter.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>row</CODE> - the matrix row<DD><CODE>v</CODE> - the vector into which the matrix row values will be copied</DL>
</DD>
</DL>
<HR>

<A NAME="getRow(int, float[])"><!-- --></A><H3>
getRow</H3>
<PRE>
public final void <B>getRow</B>(int&nbsp;row,
                         float[]&nbsp;v)</PRE>
<DL>
<DD>Copies the matrix values in the specified row into the array parameter.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>row</CODE> - the matrix row<DD><CODE>v</CODE> - the array into which the matrix row values will be copied</DL>
</DD>
</DL>
<HR>

<A NAME="getColumn(int, javax.vecmath.Vector4f)"><!-- --></A><H3>
getColumn</H3>
<PRE>
public final void <B>getColumn</B>(int&nbsp;column,