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feat(physics): phys_step_top - the highest top a foot could step up to, walls left out (what CharacterGround.top_at asks)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-26 23:43:40 +03:00
parent 204ec93c5a
commit 1c814464c5
5 changed files with 66 additions and 2 deletions
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10
packages/ludic.physics/queries.ludic
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@ -35,6 +35,16 @@ export function phys_top_at(physics_st: PhysicsState, x: float, z: float, r: flo
return y
}
# the highest top under an upright body r wide that a foot at `feet` could stand on or step up
# to, or PHYS_NONE: anything whose top is above feet + reach is a wall and left out - what
# CharacterGround.top_at asks when a boulder may be climbed and a cliff may not
export function phys_step_top(physics_st: PhysicsState, x: float, z: float, r: float, feet: float, reach: float, mask: int) -> float {
if physics_st.ph_world == null { return PHYS_NONE }
let y = jph_step_top(physics_st.ph_world, x, z, r, feet, reach, mask)
if y < PHYS_NONE { return PHYS_NONE }
return y
}
# the bodies a ball at (x, y, z) touches, in the order Jolt sorts them
export function phys_overlap(physics_st: mut PhysicsState, x: float, y: float, z: float, r: float, mask: int) -> []int {
let out = new []int