Jorrit Rouwe
8a6d125ec2
Before this change, the default SoftBody3D mass was 0 which would set the mass of every vertex to 1 kg. The SoftBody3D UI in this case shows 0.001 kg, while for a cloth with a reasonable number of subdivisions the actual weight would be in the order of 1000 kg. This weight is likely to be much more than the weight of other RigidBody3D's in the scene (their default weight is 1) causing unrealistic interactions. * Changed the default mass for a soft body to 1 kg, this mass is distributed uniformly across all soft body vertices. This matches what Godot Physics does. * Added a missing call to _update_mass() so that calling set_mass after creation actually updates the mass now. * Added an error check to set_mass() so that it no longer accepts zero mass as input. * Fixed the conversion from godot stiffness to Jolt's compliance with a formula that was derived from the XPBD vs PBD equations. The previous conversion routine was determined experimentally and did not account for vertex mass. This meant that when the vertex mass became really low, the simulation became unstable.
Godot Engine
2D and 3D cross-platform game engine
Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel. Games can be exported with one click to a number of platforms, including the major desktop platforms (Linux, macOS, Windows), mobile platforms (Android, iOS), as well as Web-based platforms and consoles.
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Godot is completely free and open source under the very permissive MIT license. No strings attached, no royalties, nothing. The users' games are theirs, down to the last line of engine code. Godot's development is fully independent and community-driven, empowering users to help shape their engine to match their expectations. It is supported by the Godot Foundation not-for-profit.
Before being open sourced in February 2014, Godot had been developed by Juan Linietsky and Ariel Manzur for several years as an in-house engine, used to publish several work-for-hire titles.
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There are also a number of other learning resources provided by the community, such as text and video tutorials, demos, etc. Consult the community channels for more information.
