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Realistic Object Visibility better reflects what the human eye would see.My Eyes, the Space Goggles Do Nothing | Update 28.1.Object trails project back in time and show their past trajectory.Object collisions now have shockwave-based impacts.Atmosphere Opacity is now simulated (and customization).Cloud speed is now simulated from an object’s temperature and rotational speed.Temperature calculations are smoother at high sim speeds.Snow simulation is more realistic for known and random rocky planets.Oceans fill from lowest to highest elevations (like a bathtub).Splish, Splash, Filling a Bath | Update 26.3.Over the course of 2021, we had 3 major updates and 5 minor updates. Our plans this year include more materials, rigid body collisions, and more! But first, what did we do in 2021? Demonstrating planetscaping, atmosphere opacity, and collision improvements added in 2021. Climate calculations are extended to Mars with some modifications to the Earth climate component, and could be used in lessons about the Mars atmosphere, and exploring scenarios of Mars climate history.We’re constantly working to make Universe Sandbox even better, and we’ve only scratched the surface. The software lends itself to labs at a variety of levels about climate concepts including seasons, the Greenhouse effect, reservoirs and flows, albedo feedback, Snowball Earth, climate sensitivity, and model experiment design. We balance computational constraints with the ability to capture the physical phenomena we wish to visualize, giving everyone access to a simple open-ended meridional energy balance climate simulation to explore and experiment with. Variables like temperature can also be graphed in real time. Ongoing visuals of the expansion and contraction of sea ice and snow-cover respond to the temperature calculations, and make it accessible to explore a variety of scenarios and intuitive to understand the output. Users can alter the climate as the simulation is running by altering the star(s) in the simulation, dragging to change orbits and obliquity, adjusting the climate simulation parameters directly or changing other properties like CO2 concentration that affect the model parameters in representative ways. The type of simple climate model we've adopted helps us depict the seasonal cycle and the more drastic changes that come from changing the orbit or other external forcings. We believe that this is the first climate simulation to be implemented in a professionally developed computer game with modern 3D graphical output in real time. Existing users are mostly science enthusiasts in informal settings. Universe Sandbox ² is based on the original game - at its core a gravity simulator - with other new physically-based content for stellar evolution, and handling collisions between bodies. I have implemented a time-dependent, one-dimensional meridional heat transport energy balance model to run and be adjustable in real time in the midst of a larger simulated system. Everyone can explore physical models with real-time visualization in the educational simulator Universe Sandbox ² (/2), which includes basic climate simulations on planets.
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Exploration in an open-ended computer game is an engaging way to explore climate and climate change.