Release notes

[3.3.1] - 2023-02-03

Added

allow comments starting with # in cell code
decompiled cell code shows matching symbols in comments

[3.3.0] - 2022-10-05

Added

extended color semantic for cells: food chain color matrix and cell color transition rules
new simulation parameters for cell colors
shader parameter window
Symbiosis examples

Fixed

process statistics corrected (showing processes per time step)
deadlock problem during removing cells fixed
precision of simulation parameters increased (relevant for mutation rates)

[3.2.3] - 2022-07-31

Added

toolbar for browser window: refresh, login, logout, upload

[3.2.2] - 2022-07-24

Added

show downloads in browser
more spore examples

Changed

allow scanning of token blocked cells

[3.2.1] - 2022-07-13

Added

Mycelial Networks example

Changed

calculation of inner forces improved: prevent unwanted rotations and movements
performance optimizations in case of many cell connections

[3.2.0] - 2022-06-25

Added

browser for downloading simulations from a server
registration of users on a server
upload simulations
rate simulations by likes
image to pattern converter
new examples

Changed

window transparency lowered
simulation parameter group renamed

Fixed

editor performance increased through caching
scanner function scans correct cell

[3.1.2] - 2022-05-01

Fixed

rigidity spot parameter is saved correctly

[3.1.1] - 2022-04-25

Added

new simulation parameters: cellFunctionMinInvocations, cellFunctionInvocationDecayProb, cellFunctionWeaponConnectionsMismatchPenalty and cellFunctionWeaponTokenPenalty
new simulation example: Maze.sim

Fixed

keep metadata after copy & paste of patterns
replicators in Dark Forst.sim repaired
forbid digestion of barrier cells
crystals in Living Crystals.sim are stabilized
color code 6 (gray) in pattern editor is remember like the other colors

[3.1.0] - 2022-04-18

Added

barrier cells introduced: indestructible and immobile
checkbox for setting/unsetting barriers in pattern editor, creator and inspection window
performance notice in Getting started window
new examples which use barriers: Soft Balls.sim and Multiverse.sim

Changed

file format contains program version (compatibility with old format remains!)

Fixed

autosave bug fixed (led to long lags every 20minutes)

[3.0.0] - 2022-04-09

Added

new engine with soft-body dynamics
new GPU-based editor (enables editing at all zoom levels)
new simulation and pattern examples
more modern looking user interface with imgui
sub-windows to group all simulator functions (temporal control, spatial control, simulation parameters etc.)
cross-platform support
spatially different simulation parameters and background colors via spots
flow generator
pin edit windows to multiple cells
statistics include cell processes and number of cells by colors
freehand drawings
display resolution and frame rate settings
automatic change of GPU array sizes for entities
compression of simulation files
system font size scaling is taken into account
enable/disable user interface

Changed

simulation parameters adapted to new engine

Removed

settings for array sizes
main window toolbar
bug reporting after crash
cell function for communication

[2.5.3] - 2021-06-12

Changed

more specific error message in case of cudaErrorUnsupportedPtxVersion
removed useless size info at the beginning in saved files (sim/parameters/...)

Fixed

wrong view port size bug fixed
integration tests repaired

[2.5.2] - 2021-05-27

Added

planet gaia example files

Fixed

reduction of memory reservations in editor to prevent out-of-memory exceptions
prevent invalid-map-key exceptions in cases where the selection is no longer available in the editor
display more precise information in case of exceptions
layout in dialogs improved

[2.5.1] - 2021-05-21

Fixed

important memory leak fixed
destruction of cell clusters corrected: looks now much nicer!
allow only full screen because of a Qt bug

[2.5.0] - 2021-05-19

Added

navigation mode enables continuous zooming
new editing function: modifier key (CTRL) allows the precise selection of cells
new editing function: randomize cell function
new editing function: automatic generation of token branch numbers on cell cluster
new editing function: remove unused cell connections
selection of the graphics card with the highest compute capability, if more than one is found
checking for newer versions
display in the infobar when time steps per second are restricted

Changed

better rendering performance due to OpenGL-CUDA interoperability
better image quality for low zoom factors
motion blur filter
more intense glow filter
cells are represented in the vector view by a circle with a color gradient
two toolbar buttons (instead of one) for switching between editor and pixel/vector view
using flat design for main window
more beautiful progress bar
activated icons in the toolbar glow
simulation parameters renamed
meaningful error message in case the system requirements are not met
colors in editor more balanced
infobar is disabled by default
getting started info revised
logo reduced in size
startup example revised
collision example revised

Fixed

prevent exception on closing

[2.4.7] - 2021-04-14

Changed

error messages improved (call stack and bad alloc message)

[2.4.6] - 2021-04-11

Changed

created cell have maximum bonds corresponding to simulation parameters

[2.4.5] - 2021-04-08

Fixed

fixed exception on closing
negative energies prevented

[2.4.4] - 2021-04-04

Fixed

fixed crash when minimum hardware requirements are not met

[2.4.3] - 2021-04-02

Added

new simulation parameter "offspring token suppress memory copy" (default=false)

Fixed

font in metadata tab from visual editor corrected

[2.4.2] - 2021-03-24

Changed

selected cells and particles have lighter colors and smaller sizes in the editor
border colors of cells and particles darkened
unused simulation parameter "cluster properties -> max size" removed

[2.4.1] - 2021-03-17

Fixed

fix performance bug when using glow effect

[2.4.0] - 2021-03-05

Added

disc-shaped structures can be created
selections can be colored

Changed

simulation parameters and symbol maps are saved in JSON format
saved simulations are divided into 4 files: *.sim, *.settings.json, *.parameters.json and *.symbols.json

Fixed

second scrollbar in token editor avoided

[2.3.0] - 2021-02-21

Added

infobar, which displays general information, monitor information and logging protocol
show bug report dialog after crash that allows to send reports to a server

Changed

using standard font in dialogs and most widgets
requirements of the examples lowered

Fixed

fix runtime problems for cells with constructor function

[2.2.2] - 2021-02-10

Changed

upgrade to CUDA 11.2, Qt 6.0.1, boost 1.75.0 and VS 2019
parallel console window is not opened
examples renamed

Fixed

timeout problem during simulation run
fix crash when monitor is open and simulation or general settings are changed
fix crash after inserting collection

[2.2.1] - 2021-02-05

Fixed

fixed crash at display resolutions higher than Full HD

[2.2.0] - 2021-02-03

Added

vector graphic view mode is active from zoom level 4 onwards
startup screen shows version
validation of values in "General settings" and "New simulation" dialog
examples (simulation and collections)

Changed

info banner shows rendering mode
"Computation settings" dialog restructured and renamed to "General settings"
startup simulation changed

Removed

experimental feature "Web access" disabled (will be enabled when finished)

Fixed

showing messages in case of CUDA errors instead of immediate termination
fix typos

[2.1.0] - 2021-01-17

Added

usability: showing first steps window after startup
allow moving objects with the mouse pointer
ability to connect to a server and send simulation real-time data (still experimental)
automatic switching between editor and pixel view depending on zoom level
new examples

Changed

nicer and larger toolbar icons
new logo
disable editor for low zoom levels

Fixed

fix empty simulation after "step backward" or "restore snapshot"
fix center scroll position after startup