seltar.motion
Class Motion

java.lang.Object
  seltar.motion.Motion

public class Motion

extends java.lang.Object

Field Summary

float	Const
float	Damp
Point	pos
Point	prevpos
float	Spring
Vector	v

Constructor Summary

Motion(float X, float Y)
Constructor #1

Motion(float X, float Y, float VX, float VY)
Constructor #2

Method Summary

float	calcAngle() Calculates angle from previous position to current position
float	calcAngle(float x1, float y1, float x2, float y2) Calculates the angle between two given points
void	constrain(float x1, float y1, float x2, float y2) Constrain Point pos and Point prevpos to given coordinates
void	followTo(float X, float Y) Sets Vector v Velocity & Direction Move point towards given point dividing by Const
float	getAngle() Gets angle from Vector v
float	getConstant() Gets Constant divider Used by followTo() & springTo()
float	getDamping() Gets Damping Used by springTo()
float	getDistance() Gets Distance from previous position to current position
float	getDistanceTo(float X, float Y) Gets Distance from current position to given position
float	getPX() Gets Previous X-position
float	getPY() Gets Previous Y-position
float	getSpring() Gets Springiness Used by springTo()
float	getVX() Gets current velocity-X
float	getVY() Gets current velocity-Y
float	getX() Gets current X-position
float	getY() Gets current Y-position
void	move() Sets prevpos to pos and Moves pos according to Vector v (Velocity & Direction)
void	moveDir(float Angle, float Speed) Sets Vector v Velocity & Direction Moves in a given Angle with a given Speed
void	setAngle(float A) Set angle in Vector v
void	setConstant(float C) Sets Constant divider Used by followTo() & springTo()
void	setDamping(float D) Sets Damping Used by springTo()
void	setPos(float X, float Y) Set current position to given coordinate
void	setPos(Point p) Set current position to given Point
void	setPrevPos(float X, float Y) Set previous position to given coordinate
void	setPrevPos(Point p) Set previous position to given Point
void	setPX(float PX) Set previous position to given float
void	setPY(float PY) Set previous position to given float
void	setSpring(float S) Sets Springiness Used by springTo()
void	setVelocity(float V) Set velocity in Vector v
void	setVelocity(float VX, float VY) Set velocity-coordinates in Vector v
void	setVX(float VX) Set X-velocity in Vector v
void	setVY(float VY) Set Y-velocity in Vector v
void	setX(float X) Set current X-position to given float
void	setY(float Y) Set current Y-position to given float
void	springTo(float X, float Y) Sets Vector v Velocity & Direction Springs point towards given point dividing by Const, multiplied with Spring and Damp
void	wrap(float x1, float y1, float x2, float y2) Wraps Point pos and Point prevpos around given coordinates

Methods inherited from class java.lang.Object

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

Field Detail

Damp

public float Damp

Const

public float Const

Spring

public float Spring

prevpos

public Point prevpos

pos

public Point pos

v

public Vector v

Constructor Detail

Motion

public Motion(float X,
              float Y)

Constructor #1

Parameters:

X - float X-position

Y - float Y-position

Motion

public Motion(float X,
              float Y,
              float VX,
              float VY)

Constructor #2

Parameters:

X - float X-position

Y - float Y-position

VX - float X-Velocity

VY - float Y-Velocity

Method Detail

getPX

public float getPX()

Gets Previous X-position

Returns:

float Previous X

getPY

public float getPY()

Gets Previous Y-position

Returns:

float Previous Y

getX

public float getX()

Gets current X-position

Returns:

float Current X

getY

public float getY()

Gets current Y-position

Returns:

float Current Y

getVX

public float getVX()

Gets current velocity-X

Returns:

float Velocity X

getVY

public float getVY()

Gets current velocity-Y

Returns:

float Velocity Y

calcAngle

public float calcAngle()

Calculates angle from previous position to current position

Returns:

float Angle

getAngle

public float getAngle()

Gets angle from Vector v

Returns:

float Angle

getConstant

public float getConstant()

Gets Constant divider Used by followTo() & springTo()

Returns:

float Constant

getDamping

public float getDamping()

Gets Damping Used by springTo()

Returns:

float Damping

getSpring

public float getSpring()

Gets Springiness Used by springTo()

Returns:

float Springiness

getDistance

public float getDistance()

Gets Distance from previous position to current position

Returns:

float Distance

getDistanceTo

public float getDistanceTo(float X,
                           float Y)

Gets Distance from current position to given position

Returns:

float Distance

setPos

public void setPos(Point p)

Set current position to given Point

Parameters:

p - Position

setPos

public void setPos(float X,
                   float Y)

Set current position to given coordinate

Parameters:

X - X-position

Y - Y-position

setX

public void setX(float X)

Set current X-position to given float

Parameters:

X - X-position

setY

public void setY(float Y)

Set current Y-position to given float

Parameters:

Y - Y-position

setPrevPos

public void setPrevPos(Point p)

Set previous position to given Point

Parameters:

p - Previous Position

setPrevPos

public void setPrevPos(float X,
                       float Y)

Set previous position to given coordinate

Parameters:

X - Previous X-Position

Y - Previous Y-Position

setPX

public void setPX(float PX)

Set previous position to given float

Parameters:

PX - Previous X-Position

setPY

public void setPY(float PY)

Set previous position to given float

Parameters:

PY - Previous Y-Position

setAngle

public void setAngle(float A)

Set angle in Vector v

Parameters:

A - Angle

setVelocity

public void setVelocity(float V)

Set velocity in Vector v

Parameters:

V - Velocity

setVelocity

public void setVelocity(float VX,
                        float VY)

Set velocity-coordinates in Vector v

Parameters:

VX - X-Velocity

VY - Y-Velocity

setVX

public void setVX(float VX)

Set X-velocity in Vector v

Parameters:

VX - X-Velocity

setVY

public void setVY(float VY)

Set Y-velocity in Vector v

Parameters:

VY - Y-Velocity

setConstant

public void setConstant(float C)

Sets Constant divider Used by followTo() & springTo()

Parameters:

C - Constant

setDamping

public void setDamping(float D)

Sets Damping Used by springTo()

Parameters:

D - Damping

setSpring

public void setSpring(float S)

Sets Springiness Used by springTo()

Parameters:

S - Springiness

wrap

public void wrap(float x1,
                 float y1,
                 float x2,
                 float y2)

Wraps Point pos and Point prevpos around given coordinates

constrain

public void constrain(float x1,
                      float y1,
                      float x2,
                      float y2)

Constrain Point pos and Point prevpos to given coordinates

calcAngle

public float calcAngle(float x1,
                       float y1,
                       float x2,
                       float y2)

Calculates the angle between two given points

Returns:

float Angle

move

public void move()

Sets prevpos to pos and Moves pos according to Vector v (Velocity & Direction)

moveDir

public void moveDir(float Angle,
                    float Speed)

Sets Vector v Velocity & Direction Moves in a given Angle with a given Speed

followTo

public void followTo(float X,
                     float Y)

Sets Vector v Velocity & Direction Move point towards given point dividing by Const

springTo

public void springTo(float X,
                     float Y)

Sets Vector v Velocity & Direction Springs point towards given point dividing by Const, multiplied with Spring and Damp