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elemel edited this page Mar 1, 2012
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Crust is a 2D sandbox game.
The truths of Crust:
- The world contains blocks.
- Blocks are the main content of the world.
- A block is a regular grid of cells.
- Block cells are fly-weight objects.
- A block cell has a material.
- A block has position and angle.
- The mass and moment of inertia of a block are derived from its cells.
- A block has one physics body and one or more physics shapes.
- The world also contains fluids.
- The world also contains particles.
- A particle is a light-weight representation of a one-by-one block.
- Blocks emit and absorb particles.
- Particles are also used for magic.
- A particle is a quantum of matter, fluid or energy.
The truths of characters:
- A character is a circular object.
- A character has eight ray springs extending in his horizontal, vertical, and diagonal directions.
- A character may run while at least one of his three downward rays is intersecting another object.
- A running character will rotate so that his up direction becomes perpendicular to his velocity.
- The run force of a character is perpendicular to his up direction.
The notes of Crust:
- Allow all classes to use all items, but throw in some perks, e.g. alchemists have longer flight range with rocket boots.