{"job_id":"anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4","request_id":"test-physics-projectile-ba30c5e5-e5bb-4ff3-90a7-a40b2e480a51-1778708287067","status":"complete","asset":{"primary_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4/walkthrough.mp4","thumbnail_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4/thumb.jpg","transcript_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4/transcript.vtt","interactive_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4/index.html","scenefile_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4/scene-source.json","duration_seconds":15,"byte_size":449359,"renderer":"html_three_js_local","parameters":{"style":"auto","executor":"native_render_executor","localPath":"/app/storage/assets/anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4","control_count":2,"interactivity":"none","simulation_id":"physics.11.kinematics.projectile_motion","renderer_style":"three_js","durationSeconds":15,"render_manifest":{"jobId":"anim-job-4f0d4dcc-bc9b-4e27-9a45-f65ce34284f4","request":{"gap":{"topic":"projectile-components","severity":"dangerous","error_type":"wrong_assumption","memory_state":"fragile","display_topic":"Projectile Motion Components","common_wrong_answer":"Horizontal and vertical motions are dependent.","confidence_at_error":"high","correct_understanding":"Projectile horizontal and vertical motions evolve independently."},"target":{"style":"auto","render":{"fps":30,"format":"mp4","resolution":"1920x1080","include_thumbnail":true,"include_transcript":true},"audience":{"tone":"neutral_instructional","grade":"11","language":"en"},"interactivity":"none","duration_seconds":15},"context":{"chapter":{"name":"Kinematics","ncert_class":11,"ncert_chapter_number":3},"sub_topics":[{"topic":"Projectile Motion","key_concepts":["projectile","range"]}]},"metadata":{"priority":"normal"},"exam_type":"neet","asset_type":"simulation","request_id":"test-physics-projectile-ba30c5e5-e5bb-4ff3-90a7-a40b2e480a51-1778708287067","subject_area":"physics"},"renderer":"html_three_js_local","storyboard":{"beats":[{"label":"Topic","visual":"Show the topic title and the key physical context.","narration":"Projectile Motion Components"},{"label":"Mistake","visual":"Show the wrong approach and why it seems plausible.","narration":"Horizontal and vertical motions are dependent."},{"label":"Correction","visual":"Show the right approach step by step.","narration":"Projectile horizontal and vertical motions evolve independently."},{"label":"Concept","visual":"Highlight the key formula and the governing relationship.","narration":"projectile. range"}],"title":"Projectile Motion Components","sceneCode":"<!doctype html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"utf-8\"/>\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/>\n  <title>Projectile Motion: Independent Components</title>\n  <style>\n    :root{--bg:#0f1418;--panel:#182228;--line:#2e3e46;--accent:#e5ba67;--text:#f4f1ea;--muted:#c8d4da;--blue:#63b3ff;--green:#87e8a8;--red:#de7f76;}\n    *{box-sizing:border-box;}\n    body{margin:0;font-family:\"Plus Jakarta Sans\",\"Manrope\",\"Inter\",ui-sans-serif,system-ui,sans-serif;background:radial-gradient(120% 90% at 20% -5%,#24343d 0%,var(--bg) 55%);color:var(--text);}\n    main{min-height:100vh;display:grid;grid-template-columns:minmax(300px,380px) 1fr;}\n    aside{border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(31,46,53,.86),rgba(24,34,40,.92));padding:24px;overflow:auto;backdrop-filter:blur(6px);}\n    section{padding:24px;display:grid;place-items:center;}\n    h1{margin:0 0 10px;font-size:1.65rem;line-height:1.15;}\n    .sub{margin:0 0 16px;color:var(--muted);}\n    .formula{margin:0 0 14px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#11191e;color:var(--accent);font-family:ui-monospace,monospace;font-size:0.9rem;box-shadow:inset 0 0 28px rgba(229,186,103,.08);}\n    .control{display:grid;gap:6px;margin:12px 0;}\n    .control input{width:100%;accent-color:var(--accent);}\n    ul{margin:14px 0 0 18px;padding:0;color:var(--muted);display:grid;gap:6px;}\n    .stage{width:min(1020px,95%);aspect-ratio:16/9;border:1px solid #445862;border-radius:14px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 38%,#2f4a57,#0f1418 72%);box-shadow:0 18px 60px rgba(0,0,0,.45), inset 0 0 90px rgba(255,255,255,.03);}\n    .stage::before{content:\"\";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 34%);pointer-events:none;}\n    .legend{position:absolute;right:12px;top:12px;padding:8px 10px;border-radius:10px;border:1px solid #465a64;background:rgba(9,14,18,.58);font-size:0.8rem;color:var(--muted);backdrop-filter:blur(4px);}\n    @media(max-width:900px){main{grid-template-columns:1fr;}aside{border-right:0;border-bottom:1px solid var(--line);}}\n  </style>\n</head>\n<body>\n<main>\n  <aside>\n    <h1>Projectile Motion Components</h1>\n    <p class=\"sub\">Why X &amp; Y motions are INDEPENDENT</p>\n    <p class=\"formula\">aₓ=0  |  aᵧ=−g<br/>x(t)=v₀ₓ·t  |  y(t)=v₀ᵧ·t−½g·t²</p>\n    <label class=\"control\"><span>Launch angle: <strong id=\"v-angle\">45</strong>°</span><input id=\"c-angle\" type=\"range\" min=\"15\" max=\"75\" step=\"5\" value=\"45\"/></label>\n    <label class=\"control\"><span>Speed: <strong id=\"v-speed\">20</strong> m/s</span><input id=\"c-speed\" type=\"range\" min=\"10\" max=\"30\" step=\"2\" value=\"20\"/></label>\n    <label class=\"control\"><span>Show graph: <strong id=\"v-graph\">Yes</strong></span><input id=\"c-graph\" type=\"checkbox\" checked/></label>\n    <ul>\n      <li>✗ Wrong: gravity affects both x &amp; y equally</li>\n      <li>✓ Correct: gravity only pulls downward</li>\n      <li>✓ Correct: horizontal velocity stays constant</li>\n      <li>Key idea: decompose into two independent equations</li>\n    </ul>\n  </aside>\n  <section>\n    <div class=\"stage\" id=\"stage\">\n      <div class=\"legend\" id=\"legend\">t = 0.0 s</div>\n      <canvas id=\"sim-cv\" style=\"position:absolute;inset:0;width:100%;height:100%;\"></canvas>\n    </div>\n  </section>\n</main>\n<script>\nconst controls = [{\"key\":\"angle\",\"label\":\"Launch angle\",\"min\":15,\"max\":75,\"step\":5,\"value\":45,\"units\":\"°\"},{\"key\":\"speed\",\"label\":\"Speed\",\"min\":10,\"max\":30,\"step\":2,\"value\":20,\"units\":\"m/s\"},{\"key\":\"graph\",\"label\":\"Show graph\",\"value\":true}];\nfor(const c of controls){\n  const inp=document.getElementById('c-'+c.key);\n  const out=document.getElementById('v-'+c.key);\n  if(inp?.type==='checkbox'){\n    inp.addEventListener('change',()=>{out.textContent=inp.checked?'Yes':'No';window.updateModel?.();});\n  }else{\n    inp?.addEventListener('input',()=>{out.textContent=inp.value;window.updateModel?.();});\n  }\n}\n(function(){\n  const cv=document.getElementById('sim-cv');\n  const ctx=cv.getContext('2d');\n  function resize(){const r=cv.getBoundingClientRect();if(r.width>0){cv.width=r.width;cv.height=r.height;}}\n  resize();new ResizeObserver(resize).observe(cv);\n  \n  // Physics constants\n  const g=9.8;\n  const scaleFactor=3;\n  \n  // State variables\n  let time=0;\n  let angle=45;\n  let speed=20;\n  let showGraph=true;\n  let resetFlag=false;\n  \n  // Trajectory history\n  let trajectory=[];\n  \n  function reset(){\n    time=0;\n    trajectory=[];\n    resetFlag=false;\n  }\n  \n  function getState(t){\n    const rad=angle*Math.PI/180;\n    const v0x=speed*Math.cos(rad);\n    const v0y=speed*Math.sin(rad);\n    const maxTime=2*v0y/g;\n    \n    if(t>maxTime){\n      t=maxTime;\n    }\n    \n    const x=v0x*t;\n    const y=v0y*t-0.5*g*t*t;\n    const vx=v0x;\n    const vy=v0y-g*t;\n    \n    return{x,y,vx,vy,v0x,v0y,maxTime};\n  }\n  \n  function arrow(x1,y1,x2,y2,color){\n    const dx=x2-x1,dy=y2-y1,l=Math.sqrt(dx*dx+dy*dy);\n    if(l<2)return;\n    const nx=dx/l,ny=dy/l,s=10;\n    ctx.strokeStyle=color;ctx.lineWidth=2;\n    ctx.beginPath();ctx.moveTo(x1,y1);ctx.lineTo(x2,y2);ctx.stroke();\n    ctx.fillStyle=color;ctx.beginPath();\n    ctx.moveTo(x2,y2);\n    ctx.lineTo(x2-s*nx+s*0.4*ny,y2-s*ny-s*0.4*nx);\n    ctx.lineTo(x2-s*nx-s*0.4*ny,y2-s*ny+s*0.4*nx);\n    ctx.fill();\n  }\n  \n  function glowDot(x,y,r,color,a){\n    const g=ctx.createRadialGradient(x,y,0,x,y,r*2.6);\n    g.addColorStop(0,color.replace('ALPHA',String(a)));\n    g.addColorStop(1,color.replace('ALPHA','0'));\n    ctx.fillStyle=g;ctx.beginPath();ctx.arc(x,y,r*2.6,0,Math.PI*2);ctx.fill();\n  }\n  \n  function lastTs=0;\n  function tick(ts){\n    const dt=Math.min(0.04,(ts-lastTs)/1000);\n    lastTs=ts;\n    \n    angle=Number(document.getElementById('c-angle').value);\n    speed=Number(document.getElementById('c-speed').value);\n    showGraph=document.getElementById('c-graph').checked;\n    \n    const state=getState(time);\n    \n    if(time<state.maxTime){\n      time+=dt;\n    }else if(time-dt<state.maxTime){\n      // Just finished trajectory, hold at end\n    }else if(time>state.maxTime+2){\n      // Restart after 2 seconds of rest\n      reset();\n    }\n    \n    const W=cv.width,H=cv.height;\n    const cxBase=W*0.35;\n    const cyBase=H*0.75;\n    const scale=scaleFactor*20;\n    \n    // Get current state\n    const curr=getState(time);\n    const currX=cxBase+curr.x*scale;\n    const currY=cyBase-curr.y*scale;\n    \n    // Store trajectory\n    if(trajectory.length===0 || Math.hypot(currX-trajectory[trajectory.length-1].x, currY-trajectory[trajectory.length-1].y)>2){\n      trajectory.push({x:currX,y:currY});\n    }\n    \n    // Clear canvas\n    ctx.fillStyle='#0f1418';\n    ctx.fillRect(0,0,W,H);\n    \n    // Draw gradient overlay\n    const grad=ctx.createLinearGradient(0,0,0,H);\n    grad.addColorStop(0,'rgba(47,74,87,0.3)');\n    grad.addColorStop(1,'rgba(15,20,24,0.6)');\n    ctx.fillStyle=grad;\n    ctx.fillRect(0,0,W,H);\n    \n    // Draw ground\n    ctx.strokeStyle='#445862';\n    ctx.lineWidth=2;\n    ctx.beginPath();\n    ctx.moveTo(cxBase-200,cyBase);\n    ctx.lineTo(cxBase+400,cyBase);\n    ctx.stroke();\n    \n    // Draw origin point\n    ctx.fillStyle='#e5ba67';\n    ctx.beginPath();ctx.arc(cxBase,cyBase,5,0,Math.PI*2);ctx.fill();\n    ctx.fillStyle='#c8d4da';\n    ctx.font='11px sans-serif';\n    ctx.textAlign='right';\n    ctx.fillText('Launch',cxBase-8,cyBase-8);\n    \n    // Draw trajectory\n    if(trajectory.length>1){\n      ctx.strokeStyle='rgba(99,179,255,0.4)';\n      ctx.lineWidth=1.5;\n      ctx.globalAlpha=0.7;\n      ctx.beginPath();\n      ctx.moveTo(trajectory[0].x,trajectory[0].y);\n      for(let i=1;i<trajectory.length;i++){\n        ctx.lineTo(trajectory[i].x,trajectory[i].y);\n      }\n      ctx.stroke();\n      ctx.globalAlpha=1;\n    }\n    \n    // Draw current projectile\n    glowDot(currX,currY,8,'rgba(135,232,168,ALPHA)',0.6);\n    ctx.fillStyle='#87e8a8';\n    ctx.beginPath();ctx.arc(currX,currY,6,0,Math.PI*2);ctx.fill();\n    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Background panels\n      ctx.fillStyle='rgba(24,34,40,0.7)';\n      ctx.fillRect(diagX,diagY,boxW,boxH);\n      ctx.strokeStyle='#465a64';\n      ctx.lineWidth=1;\n      ctx.strokeRect(diagX,diagY,boxW,boxH);\n      \n      // Title\n      ctx.fillStyle='#e5ba67';\n      ctx.font='bold '+Math.round(H*0.035)+'px sans-serif';\n      ctx.textAlign='left';\n      ctx.fillText('Independent Motion',diagX+12,diagY+22);\n      \n      // X-motion section\n      ctx.fillStyle='#63b3ff';\n      ctx.font='bold '+Math.round(H*0.028)+'px sans-serif';\n      ctx.fillText('Horizontal (X)',diagX+12,diagY+48);\n      ctx.fillStyle='#c8d4da';\n      ctx.font=Math.round(H*0.024)+'px monospace';\n      ctx.fillText('x(t) = v₀ₓ · t',diagX+12,diagY+68);\n      ctx.fillText('a = 0',diagX+12,diagY+85);\n      ctx.fillText('v = '+curr.v0x.toFixed(1)+' m/s',diagX+12,diagY+102);\n      \n      // Time axis for X\n      const graphY1=diagY+125;\n      const graphW=boxW-24;\n      ctx.strokeStyle='#445862';\n      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