ml
43 lines
1.2 KiB
Markdown
43 lines
1.2 KiB
Markdown
### Physics Properties
|
|
|
|
#### Generic Properties
|
|
|
|
**Physics Generic Properties** (`PhysicsProp` struct) (1 byte)
|
|
|
|
0000 byte Physics flags
|
|
|
|
|
|
**Physics Flags** (1 byte)
|
|
|
|
0x01 Emit light
|
|
0x02 Bounce off walls
|
|
0x04 Bounce off objects (real world), Pass through objects (cyberspace)
|
|
0x08 Bounce off projectiles; set for all cyberspace projectiles
|
|
|
|
|
|
> Cyberspace projectiles can't emit light, though they can bounce off walls.
|
|
|
|
|
|
#### Specific 0 Properties
|
|
|
|
"Tracer" objects.
|
|
|
|
> These are not used in the engine.
|
|
|
|
**Physics Specific 0 Properties** (`TracerPhysicsProp` struct) (20 bytes)
|
|
|
|
0000 [4]int16 X coordinates
|
|
0008 [4]int16 Y coordinates
|
|
0010 [4]uint8 Z coordinates
|
|
|
|
|
|
#### Specific 1 Properties
|
|
|
|
These properties are set for some `2/1/x` objects. More specifically: For cyberspace projectiles, also called "slow physics". The other projectiles of this subclass have their specific bytes zero.
|
|
|
|
**Physics Specific 1 Properties** (`SlowPhysicsProp` struct) (6 bytes)
|
|
|
|
0000 [6]byte Colour scheme
|
|
|
|
`Colour scheme` contains 6 palette indices from the game palette. The index into this list comes from the geometry properties, specifically from the [Set Colour and Shade](../../media/Geometry#set-colour-and-shade) command.
|