org.concord.collisions.engine
Class JAtom

java.lang.Object
  |
  +--org.concord.collisions.engine.JWorldElement
        |
        +--org.concord.collisions.engine.JAtom

All Implemented Interfaces:

CCDraggable, CCMassive, java.util.EventListener, java.beans.PropertyChangeListener, java.io.Serializable

public class JAtom

extends JWorldElement

implements java.io.Serializable

one of implementation of JWorldElement abstract class

Author:

Dmitry Markman

See Also:

Serialized Form

Inner Class Summary

static class	JAtom.AtomDraggable
static class	JAtom.VelocityDraggable

Field Summary

static float	DEFAULT_MASS
static float	DEFAULT_RADIUS
protected boolean	drawAllVelocityComponents
protected boolean	drawOnlyFrame
boolean	flashState creates instance of the JAtom class with default mass and default radius
protected float	r
protected java.awt.Color	traceColor
protected java.awt.Color	velColor
protected int	widthr

Fields inherited from class org.concord.collisions.engine.JWorldElement

acx, acy, areaListener, areaTables, collSensitive, controllable, DEFAULT_MAX_CONSTRAINT, DEFAULT_MIN_CONSTRAINT, doProjection, draggable, elementListeners, flashing, iconHeight, iconWidth, index, iviewer, mass, name, pressedState, propertyListeners, qtIcon, qtMovie, rectsForListener, scaleIcon, showAcceleration, showVelocity, showVelocityNumber, suggestedCollisionTime, swingIcon, vel_scale, vx, vy, wasLastStepCollision

Constructor Summary

JAtom()

Method Summary

void	addNeighborX(JWorldElement element0, JWorldElement element1)
void	addNeighborY(JWorldElement element0, JWorldElement element1)
void	calculateAcceleration()
void	clearTrace() clears trace
void	correctV(float dt)
static JAtom	createAtom(float ax, float ay, float avx, float avy) factory method (default radius and mass).
static JAtom	createAtom(float ax, float ay, float ar, float avx, float avy) factory method (default mass).
static JAtom	createAtom(GUIPanel panel, float ax, float ay, float avx, float avy) factory method (default radius and mass).
static JAtom	createAtom(GUIPanel panel, float ax, float ay, float ar, float avx, float avy) factory method (default mass).
static JAtom	createMotionlessAtom(float ax, float ay) factory method (default mass).
static JAtom	createMotionlessAtom(float ax, float ay, float r) factory method (default mass).
void	doDrag(CCCoordinateTuner tuner, int x, int y)
protected void	emptyTrace()
void	endDrag(CCCoordinateTuner tuner, int x, int y)
CCDraggable	getAtomDraggable(int dragMode)
float	getCMPointX() calculates X coordinate of center of mass
float	getCMPointY() calculates Y coordinate of center of mass
java.awt.Color	getColor()
java.lang.Object	getDraggableOwner()
int	getDragMode()
boolean	getDrawAllVelocityComponents()
boolean	getDrawOnlyFrame()
CCDraggable	getForceDraggable(float x, float y)
int	getNumbDrawTracePoints()
int	getNumbSkipTracePoints()
float	getR()
java.awt.Color	getTraceColor()
java.awt.Color	getVelColor()
CCDraggable	getVelocityDraggable(char whichVelocity)
int	getVelXArrowEnd()
int	getVelYArrowEnd()
float	getX()
JWorldElement[]	getXNeighbors()
float	getXPotentialEnergy()
float	getXTemperature()
float	getY()
JWorldElement[]	getYNeighbors()
float	getYPotentialEnergy()
float	getYTemperature()
void	initElement()
boolean	isDoTrace()
boolean	isPointInside(float px, float py)
void	notifyAreaListener()
void	paint(java.awt.Graphics g, java.awt.Graphics sg)
void	paintAtom(java.awt.Graphics g, java.awt.Graphics sg)
void	paintForces(java.awt.Graphics g)
void	paintSelection(java.awt.Graphics g)
void	paintTrace(java.awt.Graphics g)
boolean	panelInfoSupport()
void	rememberCurrPosAsInit()
void	rememberCurrVelAsInit()
void	setAnimIcon(java.lang.String url)
void	setCMPointX(float x) set X coordinate of center of mass
void	setCMPointY(float y) set Y coordinate of center of mass
void	setCoord(float x, float y) set atom's coordinates
void	setDoTrace(boolean dotrace)
void	setDragMode(int m)
void	setDrawAllVelocityComponents(boolean drawAllVelocityComponents)
void	setDrawOnlyFrame(boolean drawOnlyFrame)
void	setGeometry(float x, float y, float r) set geometry's parameters
void	setGeometry(GUIPanel panel, float x, float y, float r) set geometry's parameters
void	setGeometry(java.lang.Object object)
void	setIcon(java.lang.String url) sets icon to show by default the icon is as big as the atom and scales with it!!!
void	setInfoDrawer(CCInfoDrawer infoDrawer)
void	setNumbDrawTracePoints(int numbDrawTracePoints)
void	setNumbSkipTracePoints(int numbSkipTracePoints)
void	setProperty(java.lang.String name, java.lang.Object val) set propertie's value
void	setR(float r)
void	setTraceColor(java.awt.Color traceColor) set trace's color
void	setTraceProperties(int traceLength)
void	setTraceProperties(int traceLength, int drawPoints, int skipPoints)
void	setVelColor(java.awt.Color velColor) set color for velocity's arrows
void	setVx(float vx) set element's velocity
void	setVy(float vy)
void	shift(float dt) shift atom
void	shiftV(float dt)
void	startDrag(int x, int y)

Methods inherited from class org.concord.collisions.engine.JWorldElement

addAreaListener, addAreaListener, addAreaListener, addAreaListener, addAreaToListen, addAreaToListen, addAreaToListen, addAreaToListen, addElementListener, addElemMouseListener, addPropertyChangeListener, applyForce, assignIndNumber, clearConstraints, clearForces, clearIcon, closeEverything, createDefaultCalculator, findDraggable, getAccelerationKoeff, getCollidedParticle, getDoProjection, getDownConstraint, getFlashingColor, getFullEnergy, getFullXEnergy, getFullYEnergy, getGravityX, getGravityY, getIcon, getIconHeight, getIconWidth, getIndex, getIndNumber, getLeftConstraint, getMass, getName, getNthForce, getNumbAppliedForces, getOwner, getPositionChanger, getPotentialEnergy, getQTIcon, getQTMovie, getRightConstraint, getShowAcceleration, getShowVelocity, getTemperature, getUpConstraint, getVelScale, getVx, getVy, getWorldModel, getX, getXacceleration, getY, getYacceleration, isCollisionSensitive, isConstraintsWasSet, isControllable, isDraggable, isEnabled, isFlashing, isMoveable, isPointInside, isPressedState, isSelected, isVisible, notifyElementListeners, notifyMouseListeners, notifyPropertyListeners, paintSelection, propertyChange, rememberCurrAllAsInit, rememberCurrPropAsInit, rememberCurrPropAsInit, removeAreaListener, removeAreaToListen, removeAreaToListen, removeElementListener, removeElemMouseListener, removeForce, removeForce, removePositionChanger, removePropertyChangeListener, reverseVx, reverseVy, select, setAnimIcon, setCollidedParticle, setCollisionSensitive, setColor, setColor, setConstraints, setControllable, setDoProjection, setDraggable, setEnabled, setFlashing, setForceCalculator, setIcon, setIcon, setIcon, setIconSize, setIndex, setMass, setName, setOwner, setPositionChanger, setPressedState, setQTIcon, setQTIcon, setQTMovie, setShowAcceleration, setShowVelocity, setVisible, setWorldModel, setXConstraints, setYConstraints, unselect, wasCollision

Methods inherited from class java.lang.Object

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

Field Detail

r

protected float r

widthr

protected int widthr

DEFAULT_MASS

public static final float DEFAULT_MASS

DEFAULT_RADIUS

public static final float DEFAULT_RADIUS

velColor

protected java.awt.Color velColor

traceColor

protected java.awt.Color traceColor

drawOnlyFrame

protected boolean drawOnlyFrame

drawAllVelocityComponents

protected boolean drawAllVelocityComponents

flashState

public boolean flashState

creates instance of the JAtom class with default mass and default radius

Constructor Detail

JAtom

public JAtom()

Method Detail

initElement

public void initElement()

Overrides:

initElement in class JWorldElement

rememberCurrPosAsInit

public void rememberCurrPosAsInit()

Overrides:

rememberCurrPosAsInit in class JWorldElement

rememberCurrVelAsInit

public void rememberCurrVelAsInit()

Overrides:

rememberCurrVelAsInit in class JWorldElement

createAtom

public static JAtom createAtom(float ax,
                               float ay,
                               float avx,
                               float avy)

factory method (default radius and mass).

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

avx - atom's horizontal velocity

avy - atom's vertical velocity

Returns:

JAtom instance

createAtom

public static JAtom createAtom(float ax,
                               float ay,
                               float ar,
                               float avx,
                               float avy)

factory method (default mass).

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

r - atom's radius (minimum 1)

avx - atom's horizontal velocity

avy - atom's vertical velocity

Returns:

JAtom instance

createAtom

public static JAtom createAtom(GUIPanel panel,
                               float ax,
                               float ay,
                               float avx,
                               float avy)

factory method (default radius and mass).

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

avx - atom's horizontal velocity

avy - atom's vertical velocity

Returns:

JAtom instance

createAtom

public static JAtom createAtom(GUIPanel panel,
                               float ax,
                               float ay,
                               float ar,
                               float avx,
                               float avy)

factory method (default mass).

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

r - atom's radius (minimum 1)

avx - atom's horizontal velocity

avy - atom's vertical velocity

Returns:

JAtom instance

createMotionlessAtom

public static JAtom createMotionlessAtom(float ax,
                                         float ay)

factory method (default mass). creates motionless atom with default radius

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

Returns:

JAtom instance

createMotionlessAtom

public static JAtom createMotionlessAtom(float ax,
                                         float ay,
                                         float r)

factory method (default mass). creates motionless atom

Parameters:

ax - atom's x coordinate

ay - atom's y coordinate

r - atom's radius (minimum 1)

Returns:

JAtom instance

setGeometry

public void setGeometry(java.lang.Object object)
                 throws java.lang.Exception

Overrides:

setGeometry in class JWorldElement

setGeometry

public void setGeometry(float x,
                        float y,
                        float r)
                 throws java.lang.Exception

set geometry's parameters

Parameters:

x - atom's x coordinate

y - atom's y coordinate

r - atom's radius (minimum 1)

setGeometry

public void setGeometry(GUIPanel panel,
                        float x,
                        float y,
                        float r)
                 throws java.lang.Exception

set geometry's parameters

Parameters:

x - atom's x coordinate

y - atom's y coordinate

r - atom's radius (minimum 1)

paint

public void paint(java.awt.Graphics g,
                  java.awt.Graphics sg)

Overrides:

paint in class JWorldElement

paintForces

public void paintForces(java.awt.Graphics g)

paintTrace

public void paintTrace(java.awt.Graphics g)

getColor

public java.awt.Color getColor()

Overrides:

getColor in class JWorldElement

getVelXArrowEnd

public int getVelXArrowEnd()

getVelYArrowEnd

public int getVelYArrowEnd()

getDrawOnlyFrame

public boolean getDrawOnlyFrame()

setDrawOnlyFrame

public void setDrawOnlyFrame(boolean drawOnlyFrame)

getDrawAllVelocityComponents

public boolean getDrawAllVelocityComponents()

setDrawAllVelocityComponents

public void setDrawAllVelocityComponents(boolean drawAllVelocityComponents)

paintSelection

public void paintSelection(java.awt.Graphics g)

Overrides:

paintSelection in class JWorldElement

paintAtom

public void paintAtom(java.awt.Graphics g,
                      java.awt.Graphics sg)

getVelColor

public java.awt.Color getVelColor()

Returns:

color of velocity's arrows

setVelColor

public void setVelColor(java.awt.Color velColor)

set color for velocity's arrows

Parameters:

color - to be set

getTraceColor

public java.awt.Color getTraceColor()

Returns:

trace's color\

setTraceColor

public void setTraceColor(java.awt.Color traceColor)

set trace's color

Parameters:

color - to be set

setProperty

public void setProperty(java.lang.String name,
                        java.lang.Object val)

set propertie's value

Overrides:

setProperty in class JWorldElement

Parameters:

property - propertie's name currently supported:
color atom's color
showvel show velocity vector
showvelnumber show velocity values in numbers
toggleshowvel toggle show velocity propertie value
velcolor velocity vector's color
trace trace property (GUIPanel should be ready for drawing trace)
showaccel show acceleration vector

val
- for color and velcolor property it should be java.awt.Color instance
for showvel and trace property it should be java.lang.Boolean instance
for toggleshowvel this parameter is ignored

See Also:

Color, Boolean

isDoTrace

public boolean isDoTrace()

setDoTrace

public void setDoTrace(boolean dotrace)

getX

public float getX()

Overrides:

getX in class JWorldElement

Returns:

atom's x coordinate

getY

public float getY()

Overrides:

getY in class JWorldElement

Returns:

atom's y coordinate

getCMPointX

public float getCMPointX()

calculates X coordinate of center of mass

Returns:

x coordinate of wall's center of mass

getCMPointY

public float getCMPointY()

calculates Y coordinate of center of mass

Returns:

y coordinate of wall's center of mass

setCMPointX

public void setCMPointX(float x)
                 throws CCUnimplOperationException

Description copied from interface: CCMassive

set X coordinate of center of mass

Following copied from interface: org.concord.collisions.engine.CCMassive

Parameters:

x - desired X coordinate of center of mass

setCMPointY

public void setCMPointY(float y)
                 throws CCUnimplOperationException

Description copied from interface: CCMassive

set Y coordinate of center of mass

Following copied from interface: org.concord.collisions.engine.CCMassive

Parameters:

y - desired Y coordinate of center of mass

getR

public float getR()

Returns:

atom's radius

setR

public void setR(float r)

setVx

public void setVx(float vx)

Description copied from class: JWorldElement

set element's velocity

Overrides:

setVx in class JWorldElement

setVy

public void setVy(float vy)

Overrides:

setVy in class JWorldElement

setIcon

public void setIcon(java.lang.String url)

sets icon to show by default the icon is as big as the atom and scales with it!!!

Parameters:

url - url of the icon file

setAnimIcon

public void setAnimIcon(java.lang.String url)

setCoord

public void setCoord(float x,
                     float y)

set atom's coordinates

Parameters:

x - atom's x coordinate

y - atom's y coordinate

shift

public void shift(float dt)

shift atom

Parameters:

dx - atom's delta x

dy - atom's delta y

calculateAcceleration

public void calculateAcceleration()

shiftV

public void shiftV(float dt)

correctV

public void correctV(float dt)

emptyTrace

protected void emptyTrace()

setTraceProperties

public void setTraceProperties(int traceLength,
                               int drawPoints,
                               int skipPoints)

setTraceProperties

public void setTraceProperties(int traceLength)

clearTrace

public void clearTrace()

clears trace

See Also:

GUIPanel.setTracePossible(boolean)

getXPotentialEnergy

public float getXPotentialEnergy()

Overrides:

getXPotentialEnergy in class JWorldElement

getYPotentialEnergy

public float getYPotentialEnergy()

Overrides:

getYPotentialEnergy in class JWorldElement

getXTemperature

public float getXTemperature()

Overrides:

getXTemperature in class JWorldElement

Returns:

atom's "temperature"

getYTemperature

public float getYTemperature()

Overrides:

getYTemperature in class JWorldElement

notifyAreaListener

public void notifyAreaListener()

Overrides:

notifyAreaListener in class JWorldElement

getDraggableOwner

public java.lang.Object getDraggableOwner()

panelInfoSupport

public boolean panelInfoSupport()

setInfoDrawer

public void setInfoDrawer(CCInfoDrawer infoDrawer)

startDrag

public void startDrag(int x,
                      int y)

doDrag

public void doDrag(CCCoordinateTuner tuner,
                   int x,
                   int y)

endDrag

public void endDrag(CCCoordinateTuner tuner,
                    int x,
                    int y)

getVelocityDraggable

public CCDraggable getVelocityDraggable(char whichVelocity)

getAtomDraggable

public CCDraggable getAtomDraggable(int dragMode)

getForceDraggable

public CCDraggable getForceDraggable(float x,
                                     float y)

getXNeighbors

public JWorldElement[] getXNeighbors()

Overrides:

getXNeighbors in class JWorldElement

getYNeighbors

public JWorldElement[] getYNeighbors()

Overrides:

getYNeighbors in class JWorldElement

addNeighborX

public void addNeighborX(JWorldElement element0,
                         JWorldElement element1)

Overrides:

addNeighborX in class JWorldElement

addNeighborY

public void addNeighborY(JWorldElement element0,
                         JWorldElement element1)

Overrides:

addNeighborY in class JWorldElement

isPointInside

public boolean isPointInside(float px,
                             float py)

Overrides:

isPointInside in class JWorldElement

getNumbDrawTracePoints

public int getNumbDrawTracePoints()

setNumbDrawTracePoints

public void setNumbDrawTracePoints(int numbDrawTracePoints)

getNumbSkipTracePoints

public int getNumbSkipTracePoints()

setNumbSkipTracePoints

public void setNumbSkipTracePoints(int numbSkipTracePoints)

getDragMode

public int getDragMode()

setDragMode

public void setDragMode(int m)