Create & destroy on an unimaginable scale... with a space simulator that merges real-time gravity, climate, collision, and material interactions to reveal the beauty of our universe and the fragility of our planet. Now includes VR support for Vive and Oculus Rift+Touch.
Kürzliche Reviews:
Sehr positiv (82) - 96% der 82 Nutzerreviews der letzten 30 Tage sind positiv.
Alle Reviews:
Sehr positiv (3,681) - 93 % der 3,681 Nutzerreviews für dieses Spiel sind positiv.
Veröffentlichung:
24. Aug. 2015
Entwickler:
Publisher:

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Early Access-Spiel

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Hinweis: Dieses Early Access-Spiel ist noch nicht fertig und könnte sich in Zukunft verändern. Wenn Ihnen das Spiel im aktuellen Zustand nicht gefällt, sollten Sie abwarten und sehen, ob sich das Spiel weiterentwickelt. Mehr erfahren

Was die Entwickler zu sagen haben:

Wozu Early Access?

“Universe Sandbox ² is in active development, but it's already a fully-featured, stable, and smooth-running space simulator. And it now officially supports VR with an HTC Vive or Oculus Rift+Touch.

We're proud of what we have to show, and we know many fans are eager to explore and experiment with the universe.

We're constantly working on features, improvements, and bug fixes, and we release frequent updates.”

Wie lange wird dieses Spiel ungefähr den Early Access-Status haben?

“It's hard to give an accurate estimate. Building a universe simulator is a job that's never complete.

We have a long list of features and improvements that we're very excited about implementing, and which will keep us busy for a long time to come.”

Wie soll sich die Vollversion von der Early Access-Version unterscheiden?

“Some of the features and improvements we'd like to add:
  • Space megastructures
  • Basic life simulation
  • More dynamic terraforming & improved climate simulation
  • Better collisions on a wider range of scales
  • Missions and objectives
  • Steam Workshop support
  • Achievements
  • Language localization
  • Improved human scale mode
  • More intuitive VR experience with features equal to desktop version

Was ist der derzeitige Stand der Early Access-Version?

“Universe Sandbox ² has been in development for almost five years, and for the past two years, we've had users pouring hours into testing, exploring, and enjoying the sandbox. It is already a fully-featured, stable, and smooth-running simulator.

We've fixed most of the serious issues and have made a lot of progress on optimizations for a range of hardware. Because it is a large-scale sandbox, though, it does have its share of bugs and could use polish in some areas.

The VR version of Universe Sandbox ² is a relatively recent update, and we are working to add many of the features and optimizations already found in the latest desktop version. Our next VR update should address this. After that, these two versions will be merged and shouldn't require separate updates.”

Wird dieses Spiel während und nach Early Access unterschiedlich viel kosten?

“We have no plans for changing the base price of Universe Sandbox ² at this time.”

Wie werden Sie versuchen, die Community in den Entwicklungsprozess mit einzubeziehen?

“We actively seek community feedback from the in-game feedback as well as from our forums and social media.

Community feedback helps us prioritize our long list of planned features and focus on fixing the worst bugs and issues. We make an effort to address every issue that comes our way.

We also add simulations and features based on community requests, like the recent addition of custom-colored planets, and an index for the likelihood of life on planets. We also recently added a tool for easily recording and sharing GIFs on social media.

In the future, we plan to integrate Steam Workshop for user-generated content, like custom models, and for easily sharing simulations.”
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Kürzliche Updates Alle anzeigen (39)

29. September

Exploring Cassini's Limitations in Universe Sandbox ²



It's been two weeks now since we said goodbye to the Cassini spacecraft. After its 20-year-long mission in space, it was running low on fuel, so NASA directed it toward Saturn in order to eliminate the risk of it contaminating the moons. On September 15, 2017,  Cassini sent its final image back to Earth before disintegrating in Saturn's atmosphere.

To commemorate this event, we released Ciao, Cassini | Update 20.2 which featured a simulation of Cassini's final hours and collision with Saturn.

See Cassini’s final hours in Universe Sandbox ²:

Home > Open > Core/Historical > Cassini collision with Saturn on September 15, 2017
Home > Tutorials > Science > What Is Cassini’s Grand Finale?


Simulation Limitations
We had initially been wary of including a simulation of this event, as there are several limitations in Universe Sandbox ² that reduce the realism of this particular simulation. In the end, however, we decided it was still an informative and interesting visualization of an event that is very important to science and the world.

But instead of brushing these limitations under the rug, we'd like to take a closer look at them.


1 - Atmospheric Entry

We love collisions in Universe Sandbox ². But just because an object is on a collision course with a planet, that doesn't mean it should actually collide with that planet in every scenario. If it's small enough, then it should instead disintegrate in the planet's atmosphere. This is what happened to Cassini as it entered Saturn's atmosphere.

Universe Sandbox ² doesn't yet simulate the forces associated with atmospheric entry, like atmospheric drag and aerodynamic heating. So instead, small objects will simply collide with planets. We're very interested in simulating these effects in Universe Sandbox ², not just for objects like Cassini, but also for meteoroids that should burn up in an atmosphere, creating meteors or "shooting stars."


An animation from Wikipedia of a meteoroid losing material as it enters Earth's atmosphere

 

2 - Rocket Engines & Spacecraft Flight

Cassini didn't stay in orbit around Saturn for 13 years, weaving through its rings and doing close flybys of its moons, all by the grace of gravity. No, its trajectory was carefully planned by engineers and frequently adjusted with its rocket engines. But while Universe Sandbox ² has models of various spacecraft, it doesn't yet include any way to simulate or control propellant. You can manually change an object's velocity, but you can't apply a force to it in the same way that a rocket engine would.

We're still a while away from controlling thrust on spacecraft and flying them through simulations in Universe Sandbox ², but we're taking steps in that direction with our work on rigid body physics. This new tech will better simulate the physics of smaller-scale objects, such as spacecraft, allowing for precise collisions and parts that can be attached with breakable joints and other constraints.

 

3 - Minimum Size for Impact Visuals

When the Shoemaker–Levy 9 fragments collided with Jupiter, observers from Earth could see marks on Jupiter that were more easily visible than the famous Great Red Spot. Some of these fragments were larger than one kilometer in diameter. The Cassini spacecraft, on the other hand, was only about 6.8 meters high and 4 meters wide. Its disintegration in Saturn's atmosphere should not be easily visible, and even if it were to collide with Saturn instead of disintegrating, it should not leave a large impact mark. [Our Cassini update added a quick fix for this problem to disable an impact mark for its collision.]

Unfortunately, in Universe Sandbox ², impact marks have a minimum visual size. This minimum size is much larger than it should be for small asteroids and human-sized objects. The alternative is to not show any impact mark at all, but that can also be unsatisfactory. There are technical reasons for this limitation, but let's not worry about those, because there's good news...

We are currently working on a new system which will allow for impact marks and craters of any size, no more minimum. And on top of that, the new system will be a lot faster, too, and scale to the system resolution, which should help lower-end hardware a lot.


Work-in-progress screenshot of the new impact visuals in Universe Sandbox ²


Opportunities, Not Limitations
The first rule of self-criticism (which we didn't follow above) is that it's necessary to throw things in a positive light. Drawbacks, weaknesses, limitations -- they're all opportunities for improvement! Often times these simulations of historical events are great tests of the simulation. When we put in the known properties and velocities for a set of bodies, does the simulation play out similarly to how it did in observed reality? If something is different, how can we improve the simulation in order to achieve the same results?  But if instead it's remarkably similar, as it sometimes is, then we can give ourselves a nice pat on the back and sit back and relax... Until we load a different simulation and notice another opportunity for improvement. We often say that building a universe simulator is never a completed job. A big chunk of that lies within our commitment to continuously notice where we can improve, and then take the necessary steps to make these improvements.

The above items are all on our to-do list, though we can’t promise when they will be added to Universe Sandbox ². Learn more about what we’re working on in our 2017 Roadmap.
22 Kommentare Weiterlesen

14. September

Ciao, Cassini | Update 20.2



October 5: Update 20.2.1 is a minor update which adds a Cassini spacecraft model, Quicksave & Quickload (F5 & F9), and a number of smaller improvements and fixes.

On September 15, 2017, the world says goodbye to the Cassini spacecraft as it ends its historic mission with a final plunge into Saturn.

See Cassini's final hours in Universe Sandbox ²:
Home > Open > Core/Historical > Cassini collision with Saturn on September 15, 2017
Home > Tutorials > Science > What Is Cassini’s Grand Finale?

During its 13 years orbiting Saturn, Cassini made a number of invaluable discoveries about the planet, its rings, and its moons.

We now know that massive geysers covering the south polar region of the moon Enceladus shoot icy particles into space, forming most of Saturn’s E-ring and hinting at a massive, subsurface ocean. And we now know that the surface of Titan, Saturn’s biggest moon, shares a surprising number of characteristics with Earth, including dunes, mountain ranges, rivers, lakes, and seas.

With its array of sophisticated instruments, Cassini watched as storms raged on Saturn and seasons changed. It discovered eight new moons, provided insight into the behavior of its famous rings, and completely changed our understanding of its magnetosphere. The mission has been extended twice and now Cassini has been in orbit nine years longer than originally intended. Its fuel is nearly gone and so, to prevent possible contamination of any of the moons, its course has intentionally been set for disintegration in Saturn’s atmosphere.

So now we say ciao, Cassini. Thanks for all of your work.

And thanks to all of the hard-working scientists from NASA, the European Space Agency, and the Italian Space Agency who made the Cassini mission possible.


This update also includes a number of smaller improvements and bug fixes.

Check out the full list of What’s New.
50 Kommentare Weiterlesen
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Über dieses Spiel

Universe Sandbox ² is a physics-based space simulator that allows you to create, destroy, and interact on an unimaginable scale.

It merges real-time gravity, climate, collision, and material interactions to reveal the beauty of our universe and the fragility of our planet. Universe Sandbox ² is the long-awaited sequel to the original Universe Sandbox.

Universe Sandbox ² includes the desktop version and a VR mode with support for the HTC Vive & Oculus Rift+Touch. This is a free, automatic update.

Simulate Gravity

N-body simulation at almost any speed using Newtonian mechanics. Real science, real physics, no supercomputer required.

Collide Planets & Stars

Epic, mind blowing collisions of massive planetary bodies.

Model Earth's Climate

Watch sea ice grow and recede with the seasons because of the tilt of the Earth: change the tilt and change the seasons. Or move the Earth farther from the Sun and freeze the entire planet.
Learn more...

Terraform Planets

Add carbon dioxide to a planet's atmosphere to heat it up. Then add water...

Deform Surfaces

Impact planets with asteroids and comets and leave behind massive, molten craters.

Supernova a Star

Make a star evolve by cranking up its age or mass, then watch a supernova unfold.

And more...

  • Material System - build planets out of Hydrogen, Iron, Rock, & Water
  • Solar flares & volatile trails
  • Procedurally generated stars & planets
  • Pulsars
  • Light-warping black holes
  • Dark matter

Systemanforderungen

Windows
Mac OS X
SteamOS + Linux
    Minimum:
    • Prozessor: 1.6GHz dual-core
    • Arbeitsspeicher: 1 GB RAM
    • Grafik: 512 MB Video Memory, Shader Model 3.0
    • DirectX: Version 9.0c
    • Speicherplatz: 2 GB verfügbarer Speicherplatz
    Empfohlen:
    • Prozessor: 2.6GHz quad-core
    • Arbeitsspeicher: 4 GB RAM
    • Grafik: 1 GB Video Memory
    • DirectX: Version 9.0c
    • Zusätzliche Anmerkungen: For VR, see recommendations from Vive or Oculus
    Minimum:
    • Betriebssystem: OS X 10.9+
    • Prozessor: 1.6GHz dual core
    • Arbeitsspeicher: 1 GB RAM
    • Grafik: OpenGL, 512 MB Video Memory, Shader Model 3.0
    • Speicherplatz: 1 GB verfügbarer Speicherplatz
    Minimum:
    • Prozessor: 1.6GHz dual core
    • Arbeitsspeicher: 1 GB RAM
    • Grafik: OpenGL, 512 MB Video Memory, Shader Model 3.0
    • Speicherplatz: 1 GB verfügbarer Speicherplatz
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