point3d.html

这个是java的quicktime for java 的详细使用文档

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<A NAME="kNativeSize"><!-- --></A><H3>
kNativeSize</H3>
<PRE>
public static final int <B>kNativeSize</B></PRE>
<DL>
<DD>This is the size (the number of bytes) that are required for this class</DL>

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="Point3D()"><!-- --></A><H3>
Point3D</H3>
<PRE>
public <B>Point3D</B>()</PRE>
<DL>
<DD>Creates a Point3D object containing no data.</DL>
<HR>

<A NAME="Point3D(float, float, float)"><!-- --></A><H3>
Point3D</H3>
<PRE>
public <B>Point3D</B>(float&nbsp;x,
               float&nbsp;y,
               float&nbsp;z)</PRE>
<DL>
<DD>Creates a Point3D object containing with given data.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - The final x coordinate.<DD><CODE>y</CODE> - The final y coordinate.<DD><CODE>z</CODE> - The final z coordinate.</DL>
</DD>
</DL>

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<A NAME="getEndianDescriptor()"><!-- --></A><H3>
getEndianDescriptor</H3>
<PRE>
public static final <A HREF="../../../quicktime/util/EndianDescriptor.html">EndianDescriptor</A> <B>getEndianDescriptor</B>()</PRE>
<DL>
<DD>Returns the EndianDescriptor for this class.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an EndianDescriptor</DL>
</DD>
</DL>
<HR>

<A NAME="getX()"><!-- --></A><H3>
getX</H3>
<PRE>
public float <B>getX</B>()</PRE>
<DL>
<DD>returns the position in the X direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getY()"><!-- --></A><H3>
getY</H3>
<PRE>
public float <B>getY</B>()</PRE>
<DL>
<DD>returns the position in the Y direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getZ()"><!-- --></A><H3>
getZ</H3>
<PRE>
public float <B>getZ</B>()</PRE>
<DL>
<DD>returns the position in the Z direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setX(float)"><!-- --></A><H3>
setX</H3>
<PRE>
public void <B>setX</B>(float&nbsp;x)</PRE>
<DL>
<DD>sets the position in the X direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setY(float)"><!-- --></A><H3>
setY</H3>
<PRE>
public void <B>setY</B>(float&nbsp;y)</PRE>
<DL>
<DD>sets the position in the Y direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setZ(float)"><!-- --></A><H3>
setZ</H3>
<PRE>
public void <B>setZ</B>(float&nbsp;z)</PRE>
<DL>
<DD>sets the position in the Z direction<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(quicktime.qd3d.math.Point3D)"><!-- --></A><H3>
subtract</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A> <B>subtract</B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;p2)</PRE>
<DL>
<DD>Returns a three-dimensional vector that is the result of subtracting the point p2 from p1.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.a.htm#pgfId=3295">QuickDraw3D::Q3Point3D_Subtract</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p2</CODE> - A three-dimensional point<DT><B>Returns:</B><DD>a three-dimensional vector that is the result of subtracting the point p2 from p1.</DL>
</DD>
</DL>
<HR>

<A NAME="distance(quicktime.qd3d.math.Point3D)"><!-- --></A><H3>
distance</H3>
<PRE>
public float <B>distance</B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;p2)</PRE>
<DL>
<DD>Returns the absolute value of the distance between points this and p2.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.b.htm#pgfId=3328">QuickDraw3D::Q3Point3D_Distance</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p2</CODE> - A three-dimensional point<DT><B>Returns:</B><DD>the distance</DL>
</DD>
</DL>
<HR>

<A NAME="distanceSquared(quicktime.qd3d.math.Point3D)"><!-- --></A><H3>
distanceSquared</H3>
<PRE>
public float <B>distanceSquared</B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;p2)</PRE>
<DL>
<DD>Returns the squared value of the distance between points this and p2.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.b.htm#pgfId=3366">QuickDraw3D::Q3Point3D_DistanceSquared</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p2</CODE> - A three-dimensional point<DT><B>Returns:</B><DD>the distance</DL>
</DD>
</DL>
<HR>

<A NAME="rRatio(quicktime.qd3d.math.Point3D, float, float)"><!-- --></A><H3>
rRatio</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> <B>rRatio</B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;p2,
                      float&nbsp;r1,
                      float&nbsp;r2)</PRE>
<DL>
<DD>Returns the three-dimensional point that lies on the line segment between
 the points p1 and p2 and that is at a distance from the first point determined by
 the ratio r1/(r1 + r2).
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.c.htm#pgfId=3416">QuickDraw3D::Q3Point3D_RRatio</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>p2</CODE> - A three-dimensional point.<DD><CODE>r1</CODE> - A floating-point number.<DD><CODE>r2</CODE> - A floating-point number.<DT><B>Returns:</B><DD>a 3DPoint</DL>
</DD>
</DL>
<HR>

<A NAME="add(quicktime.qd3d.math.Vector3D)"><!-- --></A><H3>
add</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> <B>add</B>(<A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A>&nbsp;vector3D)</PRE>
<DL>
<DD>Returns the three-dimensional point that is the result of adding the
 vector vector3D to this.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.d.htm#pgfId=3459">QuickDraw3D::Q3Point3D_Vector3D_Add</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>vector3D</CODE> - A three-dimensional vector.<DT><B>Returns:</B><DD>a three-dimensional point</DL>
</DD>
</DL>
<HR>

<A NAME="subtract(quicktime.qd3d.math.Vector3D)"><!-- --></A><H3>
subtract</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> <B>subtract</B>(<A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A>&nbsp;vector3D)</PRE>
<DL>
<DD>Returns the three-dimensional point that is the result of subtracting the
 vector vector3D from this.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.d.htm#pgfId=3485">QuickDraw3D::Q3Point3D_Vector3D_Subtract</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>vector3D</CODE> - A three-dimensional vector.<DT><B>Returns:</B><DD>a three-dimensional point</DL>
</DD>
</DL>
<HR>

<A NAME="cross(quicktime.qd3d.math.Point3D, quicktime.qd3d.math.Point3D)"><!-- --></A><H3>
cross</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A> <B>cross</B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;point2,
                      <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A>&nbsp;point3)</PRE>
<DL>
<DD>Returns the cross product of the two vectors determined by
 subtracting point2 from this and point3 from this
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.12.htm#pgfId=3617">QuickDraw3D::Q3Point3D_CrossProductTri</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>point2</CODE> - A three-dimensional point.<DD><CODE>point3</CODE> - A three-dimensional point.<DT><B>Returns:</B><DD>a vector</DL>
</DD>
</DL>
<HR>

<A NAME="transformQuaternion(quicktime.qd3d.math.Quaternion)"><!-- --></A><H3>
transformQuaternion</H3>
<PRE>
public <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> <B>transformQuaternion</B>(<A HREF="../../../quicktime/qd3d/math/Quaternion.html">Quaternion</A>&nbsp;quaternion)</PRE>
<DL>
<DD>Return a three-dimensional point that is the result of
 transforming the vector specified by the vector parameter using the quaternion
 specified by the quaternion parameter.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.1b.htm#pgfId=4271">QuickDraw3D::Q3Point3D_TransformQuaternion</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>quaternion</CODE> - A quaternion.<DT><B>Returns:</B><DD>a three-dimensional point</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()</PRE>
<DL>
<DD>Returns a copy of this object.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a string representation of this object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../quicktime/util/QTByteObject.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../quicktime/util/QTByteObject.html">QTByteObject</A></CODE></DL>
</DD>
</DL>
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