![]() This feature and interface are a work in progress. Material colors are manually adjusted to help see the lakes. Titan’s properties include the amount of methane and the percentage in each phase (solid, liquid, and gas). More Materials & Composition Simulation Titan with realistic lakes of liquid methane. While we plan to work on everything we discuss here in 2023, complications may cause features to be delayed, and our priorities may change. Many of our projects, like bringing Universe Sandbox to phones and tablets, have been in development for months or years. Improve our development tools to identify issues quickly and provide a more bug-free experience.Continue work on bringing Universe Sandbox to phones and tablets.Simulate light emission from hot planets.Overhaul our under-the-hood physics architecture to improve accuracy and performance.Add more materials for constructing & simulating planets & atmospheres.Fundamental improvements to our planetary collision systemĬheck out our 2022 Retrospective for more on what we did last year.Customizing the look and topography of planets and moons with a library of realistic color and height maps.Exploring constellations for 10 different cultures.Spinning up planets so fast they break apart using the new Force Spin tool.These included many new features, but some of our favorites are In 2022, we put out 9 updates for Universe Sandbox. Highlights From 2022 Demonstrating highlights from 2022, including the Force Spin tool, Settle Water button, and Auto Simulation Speed. But before we dive in, let’s recap some accomplishments from last year. Our roadmap for 2023 includes simulating the lakes of liquid methane on Titan, hot planets emitting light, and realistically colliding spacecraft and bananas. We’re working to give you more power to understand and control the complex phenomena of the universe. Blue means fewer computations, while red means more. The colors show how many times the orbit of a nebula must be computed to maintain physical accuracy. Currently, trails are only shown for some nebulae due to performance limitations. We plan to simulate the colors of hazes like those in Titan’s atmosphere in the future.The Milky Way galaxy with a trail for every nebula in the galaxy using our upcoming physics architecture improvements. The color of Titan’s atmosphere is not fully simulated because they are caused by tiny amounts of organic particles called tholins that are not simulated in Universe Sandbox.Materials transferred during collisions are currently always transferred in the liquid phase (although they can change phase quickly after being transferred).Materials in small asteroids do not undergo phase changes.Phase changes (like evaporation) do not affect the surface temperature of an object.Computing planet radii from their composition does not take into account the object’s surface temperature (so heating a gas giant won’t make it expand, for example).The maximum speed liquids and gases can flow across object surfaces is slower than the maximum speed of material phase changes and simulation speed.Add the ability to easily replace one material with another.Better explanation of the Composition cutaway view.Updated Atmosphere Preset selection interface.Viewing materials as a percentage of the mass.Planning updates to the materials interface, including:.Materials not simulated across the surface of objects do affect their atmospheric heating, but do not affect the atmosphere opacity.When a new material replaces one of the 4 simulated materials, it is evenly distributed over the surface, which can cause an atmosphere to seemingly “pop” into existence.We plan to increase the number of materials simulated on object surfaces in the future. To minimize the impact to performance, only a maximum of 4 materials can be simulated flowing across an object’s surface at a time.Silicate and iron can only exist on the inside of a planet, not on the surface or in the atmosphere.We plan to add heating from methane and other greenhouse gases in the future. ![]() Only water vapor and gaseous carbon dioxide contribute to our simple atmospheric heating model. ![]() Please report any issues on our Steam forum, on Discord, or in-game via Home > Send Feedback. Check out the full list of What’s New in Update 34
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