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Sulfur Cubes need Complete Rigid Body Physics

Sulfur cubes mechanical properties and physics are still very anchored in those of traditional entities in my opinion. Even though it would be a change with how the game physics usually work, it would be interesting if it had consistent rigid body physics:

- A consistent and solid cubic collision box such that they could could (under normal circumstances) not pass through entities nor being passed through, in the same fashion as solid blocks or boats, resulting in entities being able to walk on them, to have them stopped still on top of entities, or to have them being able to block a path.

- A momentum and "kinetic energy" property, allowing them to knock back other entities upon flying into them. The outcome of the collision with entities would depend on their bounciness of the sulfur cube, the speed of the entity and of the cube, the "weight" or inertial mass of the entity and of the block the sulfur cube has absorbed, of effects such as knockback resistance, and so on...

- an entity standing still on a moving sulfur cube should be  still in the frame of the reference of the sulfur cube, in the same way as an entity standing on a boat or on a block moved by a piston under normal conditions. It means that the speed of an entity standing still on the top of a sulfur cube is exactly the same as that of the sulfur cube, until it is subjected to an external force.

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• April 21, 2026 11:11
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  • April 21, 2026 11:25
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  - sulfur cubes should have some surface bounciness in the same way as slime blocks, meaning that falling on top of them makes entities bounce up and reduces fall damage, but they don't have to be sticky

  - moving sulfur cubes with entities on top of them (including stacks of sulfur cubes) might require an increasingly strong force/ hit/ action because of the increase of the inertial weight, although it could easily be parried with other game mechanics

  - the weight of entities on top of sulfur cubes affects their buoyancy 

  - the weight of entities can be distributed between several sulfur cubes if their ground collision box covers the top of the collision box of several sulfur cubes, with the weight distribution ratio being calculated with the XY distances between the center root of the entity and the center roots of the sulfur cubes it's standing on

  - the motion of an entity standing on several moving sulfur cubes at once is determined by the sulfur cube carrying the most of the weight

  - depending on the carried block and their speed, sulfur cubes could impact the environment by destroying brittle blocks, plants and grass, leaves, glass, farmland, speleothems... or by having occasionally other behaviors

  This, in addition to the sulfur cube current design and responsivity to hits and damage, would make them very fun to play around with and to use in various creative appliances (such as rafts, vehicles, wrecking balls, walls and columns, more realistic sports balls, and so on)