A B C D F G H I K L M N P R S T U X Y

A

Angle() - Method in class tjh2dVector

returns the angle of the vector anticlockwise from the +ve x-axis

angular_momentum - Variable in class tjhCell

the current angular momentum of the cell (in degrees)

ANGULAR_MOMENTUM - Static variable in class tjhCell

the maximum angular momentum of each cell in degrees

B

BCoord(float) - Method in class tjhBuckets

returns the floor of the coord divided by the width of each bucket - the index on one axis of the bucket containing it

bucket_scale - Variable in class tjhBuckets

the width of each bucket

buckets - Variable in class CellLife

space-partitioning structure to speed collision detection

buckets - Variable in class tjhBuckets

the 2D array of tjhBucket's

C

CanMoveBy(tjh2dVector, tjh2dVector, tjhBuckets, tjhCell, Vector) - Method in class tjhCell

detect any collisions with other cells that the requested move would cause

CanMoveTo(tjh2dVector, tjh2dVector, tjhBuckets, tjhCell, Vector) - Method in class tjhCell

collision detection/resolution check for a *single* cell, doesn't recurse

CanRotate(tjh2dVector, float, tjh2dVector, tjhBuckets, tjhCell, Vector) - Method in class tjhCell

will the requested rotation cause a collision?

Cartesian(float) - Static method in class tjh2dVector

return the unit vector with the correct angle anti-clockwise from the +ve x-axis

cell - Variable in class tjhBucket

if so, this stores a reference to it

CellLife - class CellLife.

Our main applet class.

CellLife() - Constructor for class CellLife

CellLife Class Constructor

CloserThan(tjh2dVector, tjhCell, float) - Method in class tjhCell

is the point loc closer to the cell them than the distance d?

CollidesWithAny(tjh2dVector, float) - Method in class tjhBuckets

would a tjhCell at the specified location be overlapping any existing one?

Copy(tjhGene) - Method in class tjhGene

gene replication routine

Copy(tjhNeuron) - Method in class tjhNeuron

copies the specified neuron into this one

creatures - Variable in class CellLife

A list of the creatures currently alive.

D

destroy() - Method in class CellLife

DoTimeStep(Graphics, tjhBuckets, tjh2dVector) - Method in class tjhCreature

main function that is called for the creature each time step in the simulation.

DotProduct(tjh2dVector, tjh2dVector) - Static method in class tjh2dVector

returns the dot product of the two vectors

Draw(Graphics) - Method in class tjhCell

draws the cell (recurses to draw its daughter cells too)

Draw(Graphics) - Method in class tjhCreature

draw the creature

F

FindBucket(tjh2dVector) - Method in class tjhBuckets

locate the bucket that contains the specified coordinate (x or y)

G

generations - Variable in class CellLife

The number of creatures that have been born since the simulation started

genome - Variable in class tjhCreature

the tree of tjhGene's that form the creature's genome

GetAllWithin(tjh2dVector, float) - Method in class tjhBuckets

get a list of the collisions that would be caused (empty if none)

getAppletInfo() - Method in class CellLife

The getAppletInfo() method returns a string describing the applet's author, copyright date, or miscellaneous information.

GetOutput(int[]) - Method in class tjhNeuron

Returns an output given an input matrix

GREEN - Static variable in class tjhGene

fixed enum type value for a green cell (root cell is drawn in pink but always behaves like a green)

H

has_cell - Variable in class tjhBucket

does this bucket currently contain a cell?

has_died - Variable in class tjhCreature

the applet class CellLife uses this to check if this creature died since it last looked

has_parent - Variable in class tjhCell

stores whether this cell has a parent, or is the root cell for this creature

has_parent - Variable in class tjhGene

does this gene have a parent?

host_creature - Variable in class tjhCell

a reference to the owning host creature

I

InArea(tjh2dVector, tjh2dVector) - Method in class tjhCell

is the point loc within the area of the simulation?

InheritFrom(tjhCreature, tjhBuckets, tjh2dVector) - Method in class tjhCreature

this is a new creature, instantiate it from the genes of another (parent) creature

init() - Method in class CellLife

first-time initialization

InitSimple() - Method in class tjhGene

simple initialization from scratch, creates a creature with a red arm and a green arm

InitSimple(tjh2dVector, tjhBuckets) - Method in class tjhCreature

initialize a simple creature from scratch

Instantiate(tjhGene, tjhCreature, tjhBuckets, tjh2dVector) - Method in class tjhCell

top-level call to instantiate a tree of cells from the given genome.

InstantiateChildren(tjhGene, tjhCreature, tjhBuckets, tjh2dVector) - Method in class tjhCell

recurses down to instantiate all mid-level and leaf-level nodes in the tree of cells that is being created

IsOurChild(tjhCell) - Method in class tjhCell

is the specified cell below us in the tree?

K

Killed(tjhBuckets) - Method in class tjhCell

this cell has been killed, ask it to tidy itself away

L

Length() - Method in class tjh2dVector

returns the length of the vector

limit - Variable in class CellLife

The world is a rectangle from (0,0) to (limit.x,limit,y)

location - Variable in class tjhCell

the current location of the cell

M

matrix - Variable in class tjhNeuron

The matrix controls how the inputs are transformed into the output.

MAX_CREATURES - Static variable in class CellLife

the maximum number of creatures in the world.

MAX_SUBNODES - Static variable in class tjhGene

the maximum number of allowed daughter cells per cell

MentalMutationCalledFor() - Method in class tjhGene

decides whether a mental mutation should happen this time

minus(tjh2dVector, tjh2dVector) - Static method in class tjh2dVector

subtracts b from a, returns the result

momentum - Variable in class tjhCreature

the current momentum (direction and speed) of the creature

mouseDown(Event, int, int) - Method in class CellLife

mouseDrag(Event, int, int) - Method in class CellLife

mouseUp(Event, int, int) - Method in class CellLife

MoveArms(Graphics, tjhBuckets, tjh2dVector) - Method in class tjhCell

each cell moves about its parent axis (as long as no collision is caused)

MoveBy(tjh2dVector, tjhBuckets) - Method in class tjhCell

all checks have been made, just move the cells

MoveIfCan(tjh2dVector, tjh2dVector, tjhBuckets) - Method in class tjhCell

a move request, the cell will move as requested only if able to

mult(tjh2dVector, float) - Static method in class tjh2dVector

multiplies the vector a by the scalar f, returns the result

N

N_INPUTS - Static variable in class tjhNeuron

The neuron has a fixed number of inputs

n_xBuckets - Variable in class tjhBuckets

the number of buckets in each direction

n_yBuckets - Variable in class tjhBuckets

the number of buckets in each direction

NearestVisible(Vector) - Method in class tjhCell

returns the index (in the list within_sight) of the nearest enemy cell

neuron - Variable in class tjhCell

the cell's brains (they're a bit thick at the moment)

neuron - Variable in class tjhGene

the neuron associated with the cell

Normalize() - Method in class tjh2dVector

changes the length of the vector to one

NumBelow(int) - Method in class tjhGene

counts the total number of cells below this point of the type specified (recurses)

P

P_MENTAL_MUTATION - Static variable in class tjhGene

the probability of a mental mutation

P_PHYSICAL_MUTATION - Static variable in class tjhGene

the probability of a physical mutation

paint(Graphics) - Method in class CellLife

CellLife Paint Handler

parent - Variable in class tjhCell

a reference to the parent of the cell (if any)

parent - Variable in class tjhGene

a reference to the gene's parent if it has one

Perp() - Method in class tjh2dVector

replaces this vector with its left-hand perpendicular

PhysicalMutationCalledFor() - Method in class tjhGene

decides whether a physical mutation should happen this time

pink_bounce - Variable in class tjhCreature

set to true if a pink bounce just occurred

PutCell(tjhCell) - Method in class tjhBuckets

add the bucket reference for this cell (newly created or just moved)

R

RADIUS - Static variable in class tjhCell

the radius of the cells, fixed for now at least

RandomAngle() - Method in class tjhCell

return a random angle between 0 and 360 degrees

RandomAngularMomentum() - Method in class tjhCell

pick an angular momentum at random

RandomEntry() - Static method in class tjhNeuron

returns -1, 0 or 1 with equal probability

RED - Static variable in class tjhGene

fixed enum type value for a red cell

RemoveAllFromGlobalList(tjhBuckets) - Method in class tjhCell

recurses down to ask all children to remove themselves from the global buckets structure

RemoveCell(tjhCell) - Method in class tjhBuckets

remove the bucket reference for this cell (died or about to move)

root_cell - Variable in class tjhCreature

the tree of tjhCell's that form the creature's body

Rotate(tjh2dVector, float, tjhBuckets) - Method in class tjhCell

all checks have been made, just rotate the cell

RotateAround(tjh2dVector, float) - Method in class tjh2dVector

rotates this point by deg degrees around the point c

RotateIfCan(tjh2dVector, float, tjh2dVector, tjhBuckets) - Method in class tjhCell

a rotation request, the cell will rotate only if no collision is caused

run() - Method in class CellLife

S

seen_green - Variable in class tjhCell

stores whether the cell has seen a green enemy cell nearby

seen_red - Variable in class tjhCell

stores whether the cell has seen a red enemy cell nearby

SIGHT_DIST - Static variable in class tjhCell

the distance within which cells can sense each other

SPEED - Static variable in class tjhCreature

maximum speed of the creature

start() - Method in class CellLife

StimulusResponse(Graphics, tjhBuckets) - Method in class tjhCell

if the neurons are active, reset the angular momentum in response to the nearby cells, otherwise does nothing

stop() - Method in class CellLife

subnodes - Variable in class tjhCell

a list of the cells that are children of this cell

subnodes - Variable in class tjhGene

list of the subnodes of this gene

sum(tjh2dVector, tjh2dVector) - Static method in class tjh2dVector

adds the two vectors together, returns the result

T

tjh2dVector - class tjh2dVector.

A simple class that manages a 2D location/vector in space given floats x and y.

tjh2dVector() - Constructor for class tjh2dVector

default constructor

tjh2dVector(float, float) - Constructor for class tjh2dVector

initializing constructor

tjhBucket - class tjhBucket.

simple structure for each bucket in our space-partioning data type

tjhBucket() - Constructor for class tjhBucket

tjhBuckets - class tjhBuckets.

a simple regular space-partitioning class to speed up collision detection

tjhBuckets(float, int, int) - Constructor for class tjhBuckets

default constructor initializes bucket array

tjhCell - class tjhCell.

Encapsulates a cell in our pseudo-biological simulation.

tjhCell() - Constructor for class tjhCell

default constructor

tjhCreature - class tjhCreature.

A creature in our psuedo-biological simulation consists of a tree structure of tjhCell's.

tjhCreature() - Constructor for class tjhCreature

default constructor

tjhGene - class tjhGene.

A tree structure of genes, each with a simple type (RED/GREEN) and a neuron.

tjhGene() - Constructor for class tjhGene

default constructor

tjhNeuron - class tjhNeuron.

Implements an artificial neuron for a cell.

tjhNeuron() - Constructor for class tjhNeuron

default constructor

TotalNum(int) - Method in class tjhGene

counts the total number of the specified type of cell in the creature (calls NumBelow)

type - Variable in class tjhCell

stores the type of the cell, determines its interactions and how it is drawn

type - Variable in class tjhGene

the type of the cell (RED/GREEN)

U

USE_BRAINS - Static variable in class tjhCell

do we want the cells to use their brains?

X

x - Variable in class tjh2dVector

the coordinates of the location/vector

Y

y - Variable in class tjh2dVector

the coordinates of the location/vector

A B C D F G H I K L M N P R S T U X Y