| import './style.css'; |
| import {createState,SYSTEMS} from './sim/state'; |
| import {type System,log} from './sim/state'; |
| import {tick} from './sim/physics'; |
| import {telemetry,warnings,clock} from './sim/telemetry'; |
| import {readiness,launch,stage,abort,toggleSystem} from './sim/mission'; |
| import {STEP,clamp} from './sim/math'; |
| import {cockpit} from './ui/cockpit'; |
| import {horizon,orbitMap} from './ui/instruments'; |
| import {World,type CameraMode} from './render/world'; |
| import {FlightAudio} from './audio'; |
| import {input} from './input'; |
|
|
| document.querySelector('#app')!.innerHTML=cockpit(); |
| let state=createState(); |
| const $=<T extends HTMLElement=HTMLElement>(id:string)=>document.getElementById(id) as T; |
| const textCache=new Map<string,string>(); |
| const text=(id:string,value:string)=>{if(textCache.get(id)!==value){$(id).textContent=value;textCache.set(id,value);}}; |
| const audio=new FlightAudio(); |
| let world:World|null=null; |
| try{world=new World($('world'));}catch(error){console.error('3D renderer unavailable',error);$('renderer-error').hidden=false;} |
| let completedDismissed=false,engineering=false,tab='flight',manualPreviousPause=false; |
| function setTab(next:string){tab=next;engineering=next==='engineering';$('engineering').hidden=!engineering;document.querySelector<HTMLElement>('.console')!.hidden=engineering;document.querySelector<HTMLElement>('.console')!.dataset.tab=next;document.querySelectorAll<HTMLButtonElement>('[data-tab]').forEach(b=>b.classList.toggle('selected',b.dataset.tab===next));} |
| function pause(){state.paused=!state.paused;audio.tone(380);updateUI();} |
| function reset(){state=createState();completedDismissed=false;textCache.clear();audio.lastCount=-1;audio.lastPhase='';if(world)world.setMode('COCKPIT');setCamera('COCKPIT');updateUI();} |
| function doLaunch(){if(launch(state))audio.tone(700,.2);updateUI();} |
| function doStage(){if(stage(state)){audio.tone(240,.3);}else log(state,'Stage interlock: below 10% fuel and above 1 km required.');updateUI();} |
| function setCamera(mode:CameraMode){world?.setMode(mode);document.querySelector<HTMLElement>('.flightdeck')!.dataset.view=mode;document.querySelectorAll<HTMLButtonElement>('[data-camera]').forEach(b=>{const selected=b.dataset.camera===mode;b.classList.toggle('selected',selected);b.setAttribute('aria-pressed',String(selected));});text('view-label',mode+(mode==='COCKPIT'?' / PILOT SEAT':' / OBSERVATION'));} |
|
|
| const controls=input(()=>state,{launch:doLaunch,stage:doStage,pause,reset,engineering:()=>setTab(engineering?'flight':'engineering')},(x,y)=>{if(world){world.look.x=clamp(world.look.x+x,-1,1);world.look.y=clamp(world.look.y+y,-1,1);}}); |
| $('preflight').onclick=()=>{if(state.phase==='PRELAUNCH'){state.preparing=true;state.prepareTime=0;audio.tone();}}; |
| document.querySelectorAll<HTMLButtonElement>('[data-system]').forEach(b=>b.onclick=()=>{toggleSystem(state,b.dataset.system as System);audio.tone();updateUI();}); |
| $('engine-arm').onclick=()=>{if(state.systems.power&&state.systems.propulsion){state.engineArmed=!state.engineArmed;if(!state.engineArmed)state.launchArmed=false;audio.tone();}else log(state,'POWER and PROPULSION required before engine arming.');updateUI();}; |
| $('launch-arm').onclick=()=>{if(SYSTEMS.every(k=>state.systems[k])&&state.engineArmed){state.launchArmed=!state.launchArmed;audio.tone();}else log(state,'Complete preflight and arm the engine first.');updateUI();}; |
| $('launch').onclick=doLaunch;$('stage').onclick=doStage;$('abort').onclick=()=>{abort(state);audio.tone(180,.3);updateUI();}; |
| $('guidance').onclick=()=>{state.guidance=!state.guidance;audio.tone();updateUI();}; |
| $('throttle').oninput=()=>{state.guidance=false;state.throttle=Number($<HTMLInputElement>('throttle').value)/100;updateUI();}; |
| $('pace').onchange=()=>state.speed=Number($<HTMLSelectElement>('pace').value); |
| $('engineering-toggle').onclick=()=>setTab(engineering?'flight':'engineering'); |
| $('pause').onclick=pause;$('resume').onclick=pause;$('reset').onclick=reset; |
| $('audio').onclick=async()=>{try{const enabled=await audio.toggle();$('audio').innerHTML='AUDIO <span>'+(enabled?'ON':'OFF')+'</span>';if(enabled)audio.tone();}catch{log(state,'Audio unavailable. Visual flight indications remain active.');}}; |
| const manual=$<HTMLDialogElement>('manual'); |
| $('help').onclick=()=>{manualPreviousPause=state.paused;state.paused=true;manual.showModal();}; |
| const closeManual=()=>{manual.close();state.paused=manualPreviousPause;};$('close-manual').onclick=closeManual;$('manual-ready').onclick=closeManual;manual.addEventListener('cancel',()=>state.paused=manualPreviousPause); |
| document.querySelectorAll<HTMLButtonElement>('[data-camera]').forEach(b=>b.onclick=()=>{setCamera(b.dataset.camera as CameraMode);audio.tone();}); |
| document.querySelectorAll<HTMLButtonElement>('[data-tab]').forEach(b=>b.onclick=()=>setTab(b.dataset.tab!)); |
| $('dismiss-complete').onclick=()=>{completedDismissed=true;}; |
| document.addEventListener('visibilitychange',()=>{if(document.hidden)state.paused=true;}); |
|
|
| function updateUI(){ |
| const t=telemetry(state),ws=warnings(state); |
| text('phase',state.phase);text('alt',(t.altitude/1000).toFixed(2));text('velocity',(t.speed/1000).toFixed(3)); |
| text('vs',(t.vertical>=0?'↑ ':'↓ ')+Math.abs(t.vertical).toFixed(0)+' M/S');text('gforce',state.g.toFixed(2)+' G'); |
| text('heading',String(Math.round(state.yaw)).padStart(3,'0'));text('pitch',state.pitch.toFixed(1)+'°');text('roll',((state.roll+180)%360-180).toFixed(1)+'°'); |
| text('apo',Number.isFinite(t.apoapsis)?Math.max(-6371,t.apoapsis/1000).toFixed(0):'ESC'); |
| text('peri',(t.periapsis/1000).toFixed(0));text('thrust',(state.thrust/1e6).toFixed(2)+' MN');text('fuel',t.fuelPercent.toFixed(1)+' %'); |
| text('temperature',state.engineTemperature.toFixed(0)+' °C');text('cabin',state.cabinPressure.toFixed(1));text('battery',state.battery.toFixed(0));text('met',clock(state.time)); |
| text('throttle-value',Math.round(state.throttle*100)+'%');$<HTMLInputElement>('throttle').value=String(Math.round(state.throttle*100));$<HTMLSelectElement>('pace').value=String(state.speed); |
| $('fuel-bar').style.width=t.fuelPercent+'%';document.documentElement.style.setProperty('--burn',state.actualThrottle.toFixed(2)); |
| text('stage-indicator','S'+(state.stage+1));text('systems-count',SYSTEMS.filter(k=>state.systems[k]).length+' / 7'); |
| const context=state.phase==='PRELAUNCH'?(state.preparing?'Running vehicle checks…':readiness(state)==='READY FOR IGNITION'?'All stations go. Initiate launch when ready.':readiness(state)+'.'): |
| state.phase==='COUNTDOWN'?'All systems go. Hold for ignition.':state.phase==='ABORT'?state.abortReason+' / recovery active.': |
| state.phase==='IMPACT'?state.abortReason+' Reset to fly again.':state.phase==='LANDED'?'Capsule recovered. Reset to fly again.':state.orbitAchieved?'Stable orbit established. Continue with manual free flight.': |
| state.stage===0?'Ascent underway. Next event: first-stage separation.':'Upper stage active. Guidance targeting a stable low Earth orbit.'; |
| text('context',context); |
| $('countdown').hidden=state.phase!=='COUNTDOWN';$('countdown').querySelector('strong')!.textContent=String(Math.ceil(state.countdown)); |
| $('completion').hidden=!state.orbitAchieved||completedDismissed; |
| $('paused').hidden=!state.paused||manual.open; |
| $('pause').setAttribute('aria-label',state.paused?'Resume simulation':'Pause simulation'); |
| $('guidance').setAttribute('aria-pressed',String(state.guidance));$('guidance').classList.toggle('active',state.guidance);$('guidance').querySelector('b')!.textContent=state.guidance?'ENGAGED':'MANUAL'; |
| $('engine-arm').setAttribute('aria-pressed',String(state.engineArmed));$('launch-arm').setAttribute('aria-pressed',String(state.launchArmed)); |
| $<HTMLButtonElement>('launch').disabled=state.phase!=='PRELAUNCH'||readiness(state)!=='READY FOR IGNITION'; |
| $<HTMLButtonElement>('stage').disabled=state.stage!==0||state.fuel[0]>36000||t.altitude<1000||state.phase==='ABORT'; |
| $<HTMLButtonElement>('preflight').disabled=state.phase!=='PRELAUNCH'||state.preparing; |
| document.querySelectorAll<HTMLButtonElement>('[data-system]').forEach(b=>{const enabled=state.systems[b.dataset.system as System];b.setAttribute('aria-pressed',String(enabled));b.querySelector('small')!.textContent=enabled?'ON':'OFF';}); |
| const warningHTML=ws.slice(0,3).map(w=>'<span class="'+w.level+'">'+w.text+'</span>').join(''); |
| if($('warnings').innerHTML!==warningHTML)$('warnings').innerHTML=warningHTML; |
| text('comms',state.events.at(-1)!.text); |
| if(engineering)text('engineering-data',[ |
| 'TIMESTEP '+STEP.toFixed(6)+' s','THRUST '+state.thrust.toFixed(0)+' N','MASS '+state.mass.toFixed(0)+' kg', |
| 'FUEL FLOW '+state.fuelFlow.toFixed(2)+' kg/s','GRAVITY '+t.gravity.toFixed(4)+' m/s²','DRAG '+state.drag.toFixed(1)+' N', |
| 'DYNAMIC Q '+(state.q/1000).toFixed(2)+' kPa','DENSITY '+t.density.toExponential(3)+' kg/m³', |
| 'ACCELERATION '+state.acceleration.map(x=>x.toFixed(2)).join(', ')+' m/s²','POSITION '+state.position.map(x=>x.toFixed(0)).join(', ')+' m', |
| 'VELOCITY '+state.velocity.map(x=>x.toFixed(1)).join(', ')+' m/s','ATTITUDE '+[state.pitch,state.yaw,state.roll].map(x=>x.toFixed(2)).join(', ')+' deg', |
| 'ECCENTRICITY '+t.eccentricity.toFixed(6),'ORBITAL SPEED '+t.orbitalVelocity.toFixed(2)+' m/s','BATTERY '+state.battery.toFixed(2)+' %', |
| 'CABIN TEMP '+state.cabinTemperature.toFixed(2)+' °C','APOAPSIS '+t.apoapsis.toFixed(0)+' m','PERIAPSIS '+t.periapsis.toFixed(0)+' m' |
| ].join('\n')); |
| audio.update(state,ws.length>0); |
| } |
| let last=performance.now(),accumulator=0,uiTime=0,mapTime=0,raf=0,disposed=false; |
| function frame(now:number){ |
| if(disposed)return; |
| const dt=Math.min((now-last)/1000,.1);last=now;controls.update(dt); |
| if(!state.paused){const pace=['PRELAUNCH','COUNTDOWN'].includes(state.phase)?1:state.speed;accumulator=Math.min(accumulator+dt*pace,STEP*100); |
| let iterations=0;while(accumulator>=STEP&&iterations<100){tick(state);accumulator-=STEP;iterations++;}} |
| else accumulator=0; |
| world?.render(state,dt); |
| uiTime+=dt;mapTime+=dt; |
| if(uiTime>=.08){updateUI();horizon($<HTMLCanvasElement>('horizon'),state);uiTime=0;} |
| if(mapTime>=.4){orbitMap($<HTMLCanvasElement>('orbit-map'),state);mapTime=0;} |
| raf=requestAnimationFrame(frame); |
| } |
| Object.defineProperty(window,'orbitalTelemetry',{get:()=>({...structuredClone(state),navigation:telemetry(state)})}); |
| updateUI();horizon($<HTMLCanvasElement>('horizon'),state);orbitMap($<HTMLCanvasElement>('orbit-map'),state);raf=requestAnimationFrame(frame); |
| window.addEventListener('pagehide',()=>{disposed=true;cancelAnimationFrame(raf);controls.dispose();world?.dispose();audio.dispose();},{once:true}); |
|
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