Comments (4)
This is definitely something we can consider, though perhaps with a more concise name.
It usually ends up being wrapped in a heartbeat updating state.
There shouldn't be any reason to do this - instead of connecting to Heartbeat, you could also connect to a property change event in a comparable number of characters.
Unfortunately not all events fire with GetPropertyChangedSignal. Looking at you, BasePart.Velocity.
Even so, that's verbose and a lot of code repetition.
local partColor = State(myPart.Color)
myPart:GetPropertyChangedSignal("Color"):Connect(function()
partColor:set(myPart.Color)
end)
local partTransparency = State(myPart.Transparency)
myPart:GetPropertyChangedSignal("Transparency"):Connect(function()
partTransparency:set(myPart.Transparency)
end)
-- now we can use partColor and partTransparency
as opposed to
local partColor = InstanceProperty(myPart, "Color")
local partTransparency = InstanceProperty(myPart, "Transparency")
-- now we can use partColor and partTransparency
from fusion.
This is definitely something we can consider, though perhaps with a more concise name.
It usually ends up being wrapped in a heartbeat updating state.
There shouldn't be any reason to do this - instead of connecting to Heartbeat, you could also connect to a property change event in a comparable number of characters.
from fusion.
After some more thinking, I think that this would be better served by hydration (#34) and out props (#88), so I'm going to close this issue for now.
from fusion.
Worth noting that this is now supported for static instances with #121:
local instanceTransparency = Value(instance.Transparency)
Hydrate(instance)({
[Out("Transparency")] = instanceTransparency,
})
-- later
local foo = Computed(function()
return 1 - instanceTransparency:get()
end)
And for dynamic instance references, is in consideration at #134
from fusion.
Related Issues (20)
- Adjust Oklab gamut clipping to compress chroma only
- Oklab <-> Color3 conversions do not use sRGB transfer functions
- Observer should allow for multiple state objects at once HOT 3
- Typechecking capabilities are dramatically reduced in v0.3 HOT 1
- Should Value:set with force also trigger Computed onChange? HOT 1
- ForValues is not passing 'use' - only value is being passed on the first argument HOT 1
- Fusion for general Lua(u) environments HOT 4
- Support for Roact-like/Class-based components HOT 4
- Allow the Value type to specify what it can be set to HOT 1
- OnChange usage example is the same as the example for OnEvent
- Generalised value destruction HOT 16
- New state objects downstream from in-progress updates see inconsistent dependencies HOT 16
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- Add unit tests for NaN self-similarity
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from fusion.