Calculations

Because Hikkaku compiles TypeScript to Scratch blocks, runtime math must use block helpers.

Static Calculations

Use normal TypeScript when the value is known at compile time.

import { moveSteps, whenFlagClicked } from 'hikkaku/blocks'

sprite.run(() => {
  whenFlagClicked(() => {
    moveSteps(10 + 5)
  })
})

Dynamic Calculations

Use Hikkaku operator blocks when values depend on runtime state.

import { getVariable, moveSteps, whenFlagClicked } from 'hikkaku/blocks'
import { add } from 'hikkaku/blocks'

const stepVar = sprite.createVariable('stepVar', 0)

sprite.run(() => {
  whenFlagClicked(() => {
    moveSteps(add(getVariable(stepVar), 5))
  })
})

Common Mistake

moveSteps(stepVar + 5)
Operator '+' cannot be applied to types 'VariableReference' and 'number'.

This is invalid because stepVar is a variable reference, not a JavaScript number at Scratch runtime.