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Use vector.max to check spring activity (#44)

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* Use `vector.max` to check spring activity

* Revert unnecessary changes
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richard 2024-12-04 18:00:37 -08:00 • committed by GitHub
parent caa9eaf733
commit 3b8d9098c0
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1 changed files with 12 additions and 8 deletions
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18
src/spring.luau
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@ -30,11 +30,12 @@ local update_descendants = graph.update_descendants
local push_child_to_scope = graph.push_child_to_scope
local UPDATE_RATE = 120
local TOLERANCE = 0.0001
local TOLERANCE = 0.001
local TOLERANCE_VECTOR = vector.create(TOLERANCE, TOLERANCE, TOLERANCE)
type Vec3 = Vector3
local function Vec3(x: number?, y: number?, z: number?): Vec3
local function Vec3(x: number, y: number, z: number): Vec3
return vector.create(x, y, z)
end
@ -269,12 +270,15 @@ local function update_spring_sources()
data.x0_123, data.x1_123, data.v_123,
data.x0_456, data.x1_456, data.v_456
local dx_123, dx_456 =
x0_123 - x1_123,
x0_456 - x1_456
local max_difference = vector.max(
vector.abs(x0_123 - x1_123 :: any),
vector.abs(x0_456 - x1_456 :: any),
vector.abs(v_123 :: any),
vector.abs(v_456 :: any),
TOLERANCE_VECTOR
)
-- todo: can this false positive?
if vector.magnitude(v_123 + v_456 + dx_123 + dx_456) < TOLERANCE then
if max_difference == TOLERANCE_VECTOR then
-- close enough to target, unshedule spring and set value to target
table.insert(remove_queue, data)
output.cache = data.source_value