Class ArcBall

java.lang.Object

Jcg.viewer.processing3d.ArcBall

public class ArcBall
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	ArcBall.Quat
(package private) static class	ArcBall.Vec3

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	axis
(package private) ArcBall.Vec3[]	axisSet
(package private) float	center_x
(package private) float	center_y
(package private) float	center_z
int	mousePressedX
int	mousePressedY
(package private) processing.core.PApplet	parent
(package private) ArcBall.Quat	q_down
(package private) ArcBall.Quat	q_drag
(package private) ArcBall.Quat	q_now
(package private) float	radius
(package private) ArcBall.Vec3	v_down
(package private) ArcBall.Vec3	v_drag

Constructor Summary

Constructors

Constructor	Description
ArcBall(float center_x, float center_y, float center_z, float radius, processing.core.PApplet parent)
ArcBall(processing.core.PApplet parent)	defaults to radius of min(width/2,height/2) and center_z of -radius

Method Summary

Modifier and Type	Method	Description
(package private) void	applyQuat2Matrix(ArcBall.Quat q)
(package private) ArcBall.Vec3	constrain_vector(ArcBall.Vec3 vector, ArcBall.Vec3 axis)
(package private) ArcBall.Vec3	mouse_to_sphere(float x, float y)
void	mouseDragged()
void	mouseEvent(MouseEvent event)
void	mousePressed()
void	mouseWheel()	Perform zoom in/out
void	pre()

Methods inherited from class java.lang.Object

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

Field Details

parent

processing.core.PApplet parent

center_x

float center_x

center_y

float center_y

center_z

float center_z

radius

float radius

v_down

ArcBall.Vec3 v_down

v_drag

ArcBall.Vec3 v_drag

q_now

ArcBall.Quat q_now

q_down

ArcBall.Quat q_down

q_drag

ArcBall.Quat q_drag

axisSet

ArcBall.Vec3[] axisSet

axis

int axis

mousePressedX

public int mousePressedX

mousePressedY

public int mousePressedY

Constructor Details

ArcBall

public ArcBall(processing.core.PApplet parent)

defaults to radius of min(width/2,height/2) and center_z of -radius

ArcBall

public ArcBall(float center_x,
 float center_y,
 float center_z,
 float radius,
 processing.core.PApplet parent)

Method Details

mouseEvent

public void mouseEvent(MouseEvent event)

mousePressed

public void mousePressed()

mouseDragged

public void mouseDragged()

mouseWheel

public void mouseWheel()

Perform zoom in/out

pre

public void pre()

mouse_to_sphere

ArcBall.Vec3 mouse_to_sphere(float x,
 float y)

constrain_vector

ArcBall.Vec3 constrain_vector(ArcBall.Vec3 vector,
 ArcBall.Vec3 axis)

applyQuat2Matrix

void applyQuat2Matrix(ArcBall.Quat q)