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Vector Package     Class  Tree  Deprecated  Index  Help   PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD Class Vector java.lang.Object | +--Vector public class Vector extends java.lang.Object Vector stores and manipulates xyz triples representing 3 space vectors. Field Summary  double X           Holds the X component  double Y           Holds the Y component  double Z           Holds the Z component   Constructor Summary Vector()           Create a new vector and set it to zero Vector(double x, double y, double z)           Create a new vector with the given x,y and z values Vector(Point p)           Create a new vector by converting a Point object Vector(Vector v)           Create a new vector by copying an existing vector   Method Summary  void add(Vector v)           Add the given vector to this vector static Vector add(Vector v1, Vector v2)           Static function to sum two vector and write it to a given destination vector. static void add(Vector vd, Vector v1, Vector v2)           Static function to sum two vectors and write it to a given destination vector.  void copy(Vector v)           Copy an existing vector to this vector  void cross(Vector v)           Cross product the given vector with this vector static Vector cross(Vector v1, Vector v2)           Static cross product methods that creates a new vector with the cross product of the two given vectors. static void cross(Vector vd, Vector v1, Vector v2)           Static cross product methods that write the cross product of the two given vectors to the given desination vector.  double dot(Point p)           Dot product the given vector with a point  double dot(Vector v)           Dot product the given vector with this vector static double dot(Vector v1, Vector v2)           Static method that returns the dot product of the two given * vectors.  void negate()           Negate this vector static Vector negate(Vector v)           Static negate method that creates a new vector from a given vector.  double norm()           Find the length of this vector  void normalise()           Normalise this vector  Vector normalised()           Create a new vector as the normalisation of this vector  void print(SceneWriter os)           Print a human readable version of the vector definition to the given destination  void read(SceneReader is)           Read the vector from the given source  void scale(double s)           Scale this vector by the given factor static Vector scale(Vector v, double s)           Static scale method that creates a new vector from a given vector and scale factor. static void scale(Vector vd, Vector v, double s)           Static scale method that writes a scaled vector based upon the given vector and scale factor.  void set(double x, double y, double z)           Set this vector to the given x,y and z values  double squarednorm()           Find the squared length of this vector static Vector subtract(Point p1, Point p2)           Static function to create a new vector as the difference between two points.  void subtract(Vector v)           Subtract the given vector from this vector static void subtract(Vector v, Point p1, Point p2)           Static function to find the difference between two points and write it to a given destination vector. static Vector subtract(Vector v1, Vector v2)           Static function to create a new vector as the difference between two vectors. static void subtract(Vector vd, Vector v1, Vector v2)           Static function to find the difference between two vectors and write it to a given destination vector.  java.lang.String toString()              void write(SceneWriter os)           Write the vector to the given destination   Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait   Field Detail X public double X Holds the X component Y public double Y Holds the Y component Z public double Z Holds the Z component Constructor Detail Vector public Vector() Create a new vector and set it to zero Vector public Vector(double x, double y, double z) Create a new vector with the given x,y and z values Parameters: x - the x value y - the y value z - the z value Vector public Vector(Vector v) Create a new vector by copying an existing vector Parameters: v - the vector to copy Vector public Vector(Point p) Create a new vector by converting a Point object Parameters: p - the point to copy Method Detail set public void set(double x, double y, double z) Set this vector to the given x,y and z values Parameters: x - the x value y - the y value z - the z value copy public void copy(Vector v) Copy an existing vector to this vector Parameters: v - the vector to copy squarednorm public double squarednorm() Find the squared length of this vector Returns: the squared length norm public double norm() Find the length of this vector Returns: the length normalise public void normalise() Normalise this vector normalised public Vector normalised() Create a new vector as the normalisation of this vector Returns: the new vector with the normalised version subtract public static Vector subtract(Point p1, Point p2) Static function to create a new vector as the difference between two points. Parameters: p1 - the first point p2 - the second point Returns: the new difference vector subtract public static void subtract(Vector v, Point p1, Point p2) Static function to find the difference between two points and write it to a given destination vector. Parameters: v - the destination vector p1 - the first point p2 - the second point Returns: the new difference vector subtract public void subtract(Vector v) Subtract the given vector from this vector Parameters: v - the vector to subtract subtract public static Vector subtract(Vector v1, Vector v2) Static function to create a new vector as the difference between two vectors. Parameters: v1 - the first vector v2 - the second vector Returns: the new difference vector subtract public static void subtract(Vector vd, Vector v1, Vector v2) Static function to find the difference between two vectors and write it to a given destination vector. Parameters: vd - the destination vector v1 - the first vector v2 - the second vector add public void add(Vector v) Add the given vector to this vector Parameters: v - the vector to add add public static Vector add(Vector v1, Vector v2) Static function to sum two vector and write it to a given destination vector. Parameters: v1 - the first vector v2 - the second vector Returns: the new vector add public static void add(Vector vd, Vector v1, Vector v2) Static function to sum two vectors and write it to a given destination vector. Parameters: vd - the destination vector v1 - the first vector v2 - the second vector cross public void cross(Vector v) Cross product the given vector with this vector Parameters: v - the vector to cross with cross public static Vector cross(Vector v1, Vector v2) Static cross product methods that creates a new vector with the cross product of the two given vectors. Parameters: v1 - the first vector to cross with v2 - the second vector to cross with Returns: a new vector containing the cross product cross public static void cross(Vector vd, Vector v1, Vector v2) Static cross product methods that write the cross product of the two given vectors to the given desination vector. Parameters: vd - the vector to store the cross product in v1 - the first vector to cross with v2 - the second vector to cross with dot public double dot(Vector v) Dot product the given vector with this vector Parameters: v - the vector to dot product with Returns: the dot product dot public double dot(Point p) Dot product the given vector with a point Parameters: p - the point to dot product with Returns: the dot product dot public static double dot(Vector v1, Vector v2) Static method that returns the dot product of the two given * vectors. Parameters: v1 - the first vector of the dot product v2 - the second vector of the dot product Returns: the dot product scale public void scale(double s) Scale this vector by the given factor Parameters: s - the scale factor scale public static Vector scale(Vector v, double s) Static scale method that creates a new vector from a given vector and scale factor. Parameters: v - the vector to scale s - the scale factor Returns: a scaled vector scale public static void scale(Vector vd, Vector v, double s) Static scale method that writes a scaled vector based upon the given vector and scale factor. Parameters: vd - the destination vector v - the vector to scale s - the scale factor negate public void negate() Negate this vector negate public static Vector negate(Vector v) Static negate method that creates a new vector from a given vector. Parameters: v - the vector to negate Returns: a negated vector read public void read(SceneReader is) throws java.io.IOException, java.lang.NumberFormatException Read the vector from the given source Parameters: is - the source to read from Throws: java.io.IOException - if the light can not be read java.io.NumberFormatException - if there a number format error is encountered java.lang.NumberFormatException write public void write(SceneWriter os) throws java.io.IOException Write the vector to the given destination Parameters: os - the destination to write to Throws: java.io.IOException - if the write fails. print public void print(SceneWriter os) throws java.io.IOException Print a human readable version of the vector definition to the given destination Parameters: os - the destination to write to Throws: java.io.IOException - if the write fails. toString public java.lang.String toString() Overrides: toString in class java.lang.Object Package     Class  Tree  Deprecated  Index  Help   PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD