cs1.android

Class Fling

java.lang.Object

cs1.android.Fling

public class Fling
extends java.lang.Object

Representation of a fling event. Contains information about where the first touch occurred, where the release occurred, the fling direction and velocity, and the flung object (the one under the first touch point).

Constructor Summary

Constructors

Constructor and Description
Fling(float x1, float y1, float x2, float y2, float vx, float vy) Creates a fling event given the coordinates of the touch and release points and the fling velocity.

Method Summary

Methods

Modifier and Type	Method and Description
float	getDx() Returns the x-component of the fling direction.
float	getDy() Returns the y-component of the fling direction.
Point	getEnd() Returns the point where the fling ended.
double	getEndX() Returns the x-coordinate where the fling ended.
double	getEndY() Returns the y-coordinate where the fling ended.
Shape	getShape() Returns the shape over which this fling event occurred.
Point	getStart() Returns the point where the fling started.
double	getStartX() Returns the x-coordinate where the fling started.
double	getStartY() Returns the y-coordinate where the fling started.
float	getVx() Returns the x-component of the fling velocity.
float	getVy() Returns the y-component of the fling velocity.
void	setShape(Shape s) Sets the shape over which this fling event occurred.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Fling

public Fling(float x1,
     float y1,
     float x2,
     float y2,
     float vx,
     float vy)

Creates a fling event given the coordinates of the touch and release points and the fling velocity.

Parameters:

x1 - the x-coordinate of the touch point

y1 - the y-coordinate of the touch point

x2 - the x-coordinate of the touch point

y2 - the y-coordinate of the touch point

vx - the x-component of the velocity

vy - the y-component of the velocity

Method Detail

getDx

public float getDx()

Returns the x-component of the fling direction.

Returns:

the x-component of the fling direction

getDy

public float getDy()

Returns the y-component of the fling direction.

Returns:

the y-component of the fling direction

getEnd

public Point getEnd()

Returns the point where the fling ended.

Returns:

the point where the fling ended

getEndX

public double getEndX()

Returns the x-coordinate where the fling ended.

Returns:

the x-coordinate where the fling ended

getEndY

public double getEndY()

Returns the y-coordinate where the fling ended.

Returns:

the y-coordinate where the fling ended

getShape

public Shape getShape()

Returns the shape over which this fling event occurred.

Returns:

the shape over which this touch event occurred. or null if no shape was touched

getStart

public Point getStart()

Returns the point where the fling started.

Returns:

the point where the fling started

getStartX

public double getStartX()

Returns the x-coordinate where the fling started.

Returns:

the x-coordinate where the fling started

getStartY

public double getStartY()

Returns the y-coordinate where the fling started.

Returns:

the y-coordinate where the fling started

getVx

public float getVx()

Returns the x-component of the fling velocity.

Returns:

the x-component of the fling velocity

getVy

public float getVy()

Returns the y-component of the fling velocity.

Returns:

the y-component of the fling velocity

setShape

public void setShape(Shape s)

Sets the shape over which this fling event occurred.