android.graphics
public class
public class
android.graphics.Point
| java.lang.Object | ||
| android.graphics.Point | ||
Point holds two integer coordinates
Summary
Fields
| public | int | x | |||
| public | int | y |
Public Constructors
| Point() | |||||
| Point(int x, int y) | |||||
| Set the point's X and Y coordinates | |||||
Public Methods
| final | void | add(Point v) | |||
| Add v's coordinates to the point's | |||||
| static | float | crossProduct(Point a, Point b) | |||
| Returns the cross product of a and b, treating them as 2D vectors | |||||
| static | Point | difference(Point a, Point b) | |||
| Returns a new point whose coordinates are the difference between a's and b's (a - b) | |||||
| static | float | distance(Point a, Point b) | |||
| Returns the euclidian distance between a and b | |||||
| static | float | dotProduct(Point a, Point b) | |||
| Returns the dot product of a and b, treating them as 2D vectors | |||||
| final | boolean | equals(int _x, int _y) | |||
| Returns true if the point's coordinates equal (x,y) | |||||
| static | float | length(float x, float y) | |||
| Returns the euclidian distance from (0,0) to (x,y) | |||||
| final | void | negate() | |||
| Negate the point's coordinates | |||||
| final | void | rotateCCW() | |||
| Rotate the point counter-clockwise by 90 degrees, writing the answer back into the point. | |||||
| final | void | rotateCW() | |||
| Rotate the point clockwise by 90 degrees, writing the answer back into the point. | |||||
| void | set(int x, int y) | ||||
| Set the point's X and Y coordinates | |||||
| final | void | subtract(Point v) | |||
| Subtract v's coordinates from the point's | |||||
| static | Point | sum(Point a, Point b) | |||
| Returns a new point whose coordinates are the sum of a's and b's (a + b) | |||||
Methods inherited
from class
java.lang.Object
Details
Fields
public int x
public int y
Public Constructors
public Point()
public Point(int x, int y)
Set the point's X and Y coordinates
Public Methods
public final void add(Point v)
Add v's coordinates to the point's
public static float crossProduct(Point a, Point b)
Returns the cross product of a and b, treating them as 2D vectors
public static Point difference(Point a, Point b)
Returns a new point whose coordinates are the difference between a's and b's (a - b)
public static float dotProduct(Point a, Point b)
Returns the dot product of a and b, treating them as 2D vectors
public final boolean equals(int _x, int _y)
Returns true if the point's coordinates equal (x,y)
public static float length(float x, float y)
Returns the euclidian distance from (0,0) to (x,y)
public final void negate()
Negate the point's coordinates
public final void rotateCCW()
Rotate the point counter-clockwise by 90 degrees, writing the answer back into the point.
public final void rotateCW()
Rotate the point clockwise by 90 degrees, writing the answer back into the point.
public void set(int x, int y)
Set the point's X and Y coordinates
public final void subtract(Point v)
Subtract v's coordinates from the point's