turbowarp extension

Instructions

// Easy Rounding — one-block TurboWarp custom extension // Supports decimal places and significant figures in a single reporter block. (function (Scratch) { 'use strict'; class EasyRounding { getInfo() { return { id: 'easyrounding', name: 'Easy Rounding', color1: '#5B8DEF', color2: '#4778D6', color3: '#3562B8', blocks: [ { opcode: 'roundNumber', blockType: Scratch.BlockType.REPORTER, text: 'round [NUMBER] to [PLACES] [MODE]', arguments: { NUMBER: { type: Scratch.ArgumentType.NUMBER, defaultValue: 123.4567 }, PLACES: { type: Scratch.ArgumentType.NUMBER, defaultValue: 2 }, MODE: { type: Scratch.ArgumentType.STRING, menu: 'MODE_MENU' } } } ], menus: { MODE_MENU: { acceptReporters: true, items: [ 'decimal places', 'significant figures' ] } } }; } roundHalfAwayFromZero(value) { return Math.sign(value) * Math.round(Math.abs(value)); } roundDecimalPlaces(value, places) { if (!Number.isFinite(value)) return value; const factor = Math.pow(10, places); if (!Number.isFinite(factor) || factor === 0) { return value; } return this.roundHalfAwayFromZero(value * factor) / factor; } roundSignificantFigures(value, figures) { if (!Number.isFinite(value) || value === 0) { return value; } const magnitude = Math.floor(Math.log10(Math.abs(value))); const places = figures - 1 - magnitude; return this.roundDecimalPlaces(value, places); } roundNumber(args) { const value = Number(args.NUMBER); const requestedPlaces = Number(args.PLACES); const mode = String(args.MODE || 'decimal places'); if (!Number.isFinite(value)) { return value; } let places = Number.isFinite(requestedPlaces) ? Math.trunc(requestedPlaces) : 0; if (mode === 'significant figures') { // JavaScript numbers are safely represented to about 15 significant digits. places = Math.max(1, Math.min(15, places)); return this.roundSignificantFigures(value, places); } // Decimal places: allow 0–15. places = Math.max(0, Math.min(15, places)); return this.roundDecimalPlaces(value, places); } } Scratch.extensions.register(new EasyRounding()); })(Scratch);