SGCamera
Class SGCamera

java.lang.Object
  SGCamera.SGCamera

Direct Known Subclasses:

KeyMoveCam

public class SGCamera
extends java.lang.Object

Field Summary

float	aspect
static int	DOLLY
Tuple.Tuple3f	forward
float	fov Field of view of the camera in radians
protected float	maxPhi upper bounds on camera angle
protected float	minPhi
static int	MOUSELOOK
static int	MOVE
static int	ORBIT
protected processing.core.PApplet	parent
float	phi
Tuple.Tuple3f	pos
float	rho
Tuple.Tuple3f	right
Tuple.Tuple3f	target
float	theta
static int	UNBOUND
Tuple.Tuple3f	up
static int	WSAD
static int	ZOOM

Constructor Summary

SGCamera(processing.core.PApplet parent, float cx, float cy, float cz, float tx, float ty, float tz)
Creates the camera

SGCamera(processing.core.PApplet parent, float cx, float cy, float cz, float tx, float ty, float tz, float ux, float uy, float uz, int leftMouseMode, int rightMouseMode)

SGCamera(processing.core.PApplet parent, float cx, float cy, float cz, float tx, float ty, float tz, int leftMouseMode, int rightMouseMode)
Create the camera and assign mouse behaviors.

Method Summary

void	dolly(float amt)
void	feed()
void	forward(float amt)
int	getKeyRegistered()
Tuple.Tuple3f	getPos()
Tuple.Tuple3f	getRay(float curX, float curY) Give the ray direction from the origin through the pixel on the camera view plane.
void	lookAt(float tx, float ty, float tz)
void	lookZ(float amt)
void	mouseEvent(java.awt.event.MouseEvent e) Handles mouseEvents.
void	render(float size)
void	right(float amt)
void	roll(float amt) This is broken, don't use it.
void	rotY(float rads)
void	setFOV(float fov) Set the camera FOV
void	setMouseMode(int mouseButton, int mode) Tell camera how to handle mouse drag input
void	setPosition(float x, float y, float z) Set the camera position
void	setTarget(float x, float y, float z) Set the camera position
void	setTheta(float theta)
void	setUpVector()
void	setUpVector(float ux, float uy, float uz)
void	setVerticalLimits(float minPhi, float maxPhi) Sets the vertical bounds of the camera's motion.
void	translate(float x, float y, float z)
void	zoom(float amt)

Methods inherited from class java.lang.Object

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

Field Detail

UNBOUND

public static final int UNBOUND

See Also:

Constant Field Values

ORBIT

public static final int ORBIT

See Also:

Constant Field Values

MOUSELOOK

public static final int MOUSELOOK

See Also:

Constant Field Values

ZOOM

public static final int ZOOM

See Also:

Constant Field Values

MOVE

public static final int MOVE

See Also:

Constant Field Values

WSAD

public static final int WSAD

See Also:

Constant Field Values

DOLLY

public static final int DOLLY

See Also:

Constant Field Values

pos

public Tuple.Tuple3f pos

target

public Tuple.Tuple3f target

up

public Tuple.Tuple3f up

right

public Tuple.Tuple3f right

forward

public Tuple.Tuple3f forward

rho

public float rho

phi

public float phi

theta

public float theta

maxPhi

protected float maxPhi

upper bounds on camera angle

minPhi

protected float minPhi

parent

protected processing.core.PApplet parent

fov

public float fov

Field of view of the camera in radians

aspect

public float aspect

Constructor Detail

SGCamera

public SGCamera(processing.core.PApplet parent,
                float cx,
                float cy,
                float cz,
                float tx,
                float ty,
                float tz)

Creates the camera

Parameters:

parent - the containing processing PApplet

cx - camera x position

cy - camera y position

cz - camera z position

tx - target x position

ty - target y position

tz - target z position

SGCamera

public SGCamera(processing.core.PApplet parent,
                float cx,
                float cy,
                float cz,
                float tx,
                float ty,
                float tz,
                int leftMouseMode,
                int rightMouseMode)

Create the camera and assign mouse behaviors.

Parameters:

parent - the containing processing PApplet

cx - camera x position

cy - camera y position

cz - camera z position

tx - target x position

ty - target y position

tz - target z position

leftMouseMode - Assigns mouse behaviour to the left button drag

rightMouseMode - Assigns mouse behaviour to the right button drag

SGCamera

public SGCamera(processing.core.PApplet parent,
                float cx,
                float cy,
                float cz,
                float tx,
                float ty,
                float tz,
                float ux,
                float uy,
                float uz,
                int leftMouseMode,
                int rightMouseMode)

Method Detail

getKeyRegistered

public int getKeyRegistered()

getPos

public Tuple.Tuple3f getPos()

setVerticalLimits

public void setVerticalLimits(float minPhi,
                              float maxPhi)

Sets the vertical bounds of the camera's motion.

Parameters:

minPhi -

maxPhi -

getRay

public Tuple.Tuple3f getRay(float curX,
                            float curY)

Give the ray direction from the origin through the pixel on the camera view plane.

Parameters:

curX - X pixel coordinate

curY - Y pixel coordinate

Returns:

Ray passing from the camera origin through the passed in screen pixel

setUpVector

public void setUpVector(float ux,
                        float uy,
                        float uz)

setUpVector

public void setUpVector()

roll

public void roll(float amt)

This is broken, don't use it.

setTarget

public void setTarget(float x,
                      float y,
                      float z)

Set the camera position

setPosition

public void setPosition(float x,
                        float y,
                        float z)

Set the camera position

setTheta

public void setTheta(float theta)

lookAt

public void lookAt(float tx,
                   float ty,
                   float tz)

feed

public void feed()

lookZ

public void lookZ(float amt)

rotY

public void rotY(float rads)

translate

public void translate(float x,
                      float y,
                      float z)

forward

public void forward(float amt)

right

public void right(float amt)

dolly

public void dolly(float amt)

zoom

public void zoom(float amt)

setFOV

public void setFOV(float fov)

Set the camera FOV

Parameters:

fov - desired camera FOV in radians

setMouseMode

public void setMouseMode(int mouseButton,
                         int mode)

Tell camera how to handle mouse drag input

Parameters:

mouseButton - which button to bind

mode - action to bind to button. Default is UNBOUND, or nothing.

mouseEvent

public void mouseEvent(java.awt.event.MouseEvent e)

Handles mouseEvents. Called by the parent applet automatically and should never be called by the user.

Parameters:

e -

render

public void render(float size)