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feat(packages): ludic.photo - a camera's photographs: what the lens sees (the frustum and a line of sight over the ground and the trunks), a grade out of a hundred on size, framing, light and the moment weighted by how much subject there is, the frame's best subject and its tags, the roll with its order and pages, a buyer's price on the grade's curve, the best of each subject; the lens, the light and the market through ports; kept, full, deleted and sold as facts; the roll in its own save section

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-25 08:58:00 +03:00
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# ports.ludic - what a photograph asks the game: where the lens is and what it can see, the light,
# and the rules of the market. Unbound, the lens sits at the origin looking down -z on flat open
# ground at noon under a clear sky, every point projects to the middle of the frame, and a
# subject's first frame is worth 12 and a legend 120.
export port PhotoLens {
x: fn() -> float = fn pht__zero # the camera's position
y: fn() -> float = fn pht__zero
z: fn() -> float = fn pht__zero
fx: fn() -> float = fn pht__zero # where it points (unit)
fy: fn() -> float = fn pht__zero
fz: fn() -> float = fn pht__back
fov: fn() -> float = fn pht__fov # vertical, radians
project: fn(float, float, float) -> bool = fn pht__centred # into the picture; sx / sy say where
sx: fn() -> float = fn pht__half # 0..1 across
sy: fn() -> float = fn pht__half # 0..1 down
visible: fn(float, float, float, float) -> bool = fn pht__seen # a sphere inside the frustum
ground: fn(float, float) -> float = fn pht__flat
trunk: fn(float, float, float) -> bool = fn pht__clear # (x, z, r): a trunk there
range: fn() -> float = fn pht__range # how far the lens reaches, m
steady: fn() -> bool = fn pht__no # on a tripod
}
export port PhotoLight {
hour: fn() -> float = fn pht__noon
night: fn() -> bool = fn pht__no
moon: fn() -> float = fn pht__zero # 0..1 lit
dim: fn() -> int = fn pht__none # what the weather takes off (a storm 4)
bonus: fn() -> int = fn pht__none # what it adds (the light after a front)
sun_x: fn() -> float = fn pht__zero # toward the sun
sun_z: fn() -> float = fn pht__zero
}
export port PhotoRules {
behaviour: fn() -> bool = fn pht__no # size counts half and the moment double
subject_value: fn(int) -> int = fn pht__twelve # a subject's first frame, before the grade
legend_value: fn(int) -> int = fn pht__legend
mult: fn() -> float = fn pht__one # the lens's worth, times
}
function pht__zero() -> float { return 0.0 }
function pht__back() -> float { return -1.0 }
function pht__fov() -> float { return 1.0 }
function pht__centred(x: float, y: float, z: float) -> bool { return true }
function pht__half() -> float { return 0.5 }
function pht__seen(x: float, y: float, z: float, r: float) -> bool { return true }
function pht__flat(x: float, z: float) -> float { return 0.0 }
function pht__clear(x: float, z: float, r: float) -> bool { return false }
function pht__range() -> float { return 100.0 }
function pht__no() -> bool { return false }
function pht__noon() -> float { return 12.0 }
function pht__none() -> int { return 0 }
function pht__twelve(sp: int) -> int { return 12 }
function pht__legend(sp: int) -> int { return 120 }
function pht__one() -> float { return 1.0 }