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https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-21 10:28:44 -05:00
Emil Axelsson
c2cc2bab17
* Implement simple state machine example in Lua * Use defaults for trail widths
60 lines
1.8 KiB
Plaintext
60 lines
1.8 KiB
Plaintext
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local goToNextStateFunction = function (machine)
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if (machine.currentStateIndex >= #machine.states) then
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machine.currentStateIndex = #machine.states
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return
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end
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if (machine.currentStateIndex == 0) then
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openspace.printInfo("Starting state machine with " ..
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machine.states[machine.currentStateIndex + 1].Title)
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elseif (machine.currentStateIndex == #machine.states) then
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openspace.printInfo("Proceed from " ..
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machine.states[machine.currentStateIndex].Title
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)
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else
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openspace.printInfo("Proceed from " ..
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machine.states[machine.currentStateIndex].Title .. " to " ..
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machine.states[machine.currentStateIndex + 1].Title
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)
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end
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machine.currentStateIndex = machine.currentStateIndex + 1
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machine.states[machine.currentStateIndex].Play()
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end
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local goToPreviousStateFunction = function (machine)
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if (machine.currentStateIndex < 1) then
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machine.currentStateIndex = 0
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return
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end
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if (machine.currentStateIndex == 1) then
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openspace.printInfo("Rewind from " ..
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machine.states[machine.currentStateIndex].Title
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)
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else
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openspace.printInfo("Rewind from " ..
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machine.states[machine.currentStateIndex].Title .. " to " ..
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machine.states[machine.currentStateIndex - 1].Title
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)
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end
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machine.states[machine.currentStateIndex].Rewind()
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machine.currentStateIndex = machine.currentStateIndex - 1
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end
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local createStateMachine = function (states)
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local machine = {
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states = states,
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currentStateIndex = 0
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}
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machine.goToNextState = function () goToNextStateFunction(machine) end
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machine.goToPreviousState = function () goToPreviousStateFunction(machine) end
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return machine
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end
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asset.export('createStateMachine', createStateMachine)
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