const T = api.THREE; api.world({sky:"#81d7ed", haze:"#d2f3f1", time:"day", shadow:"#8870b5"}); api.hide("ground"); const mat = {}; function M(c, glow=false) { const key = c + glow; return mat[key] || (mat[key] = api.toon(c, glow ? {glow:true} : {})); } function mesh(group, geo, color, x,y,z, rx=0,ry=0,rz=0, glow=false) { const m = new T.Mesh(geo, M(color,glow)); m.position.set(x,y,z); m.rotation.set(rx,ry,rz); group.add(m); return m; } function box(g,w,h,d,c,x,y,z,rx=0,ry=0,rz=0) { return mesh(g,new T.BoxGeometry(w,h,d),c,x,y,z,rx,ry,rz); } function ball(g,rx,ry,rz,c,x,y,z) { const m=mesh(g,new T.SphereGeometry(1,16,12),c,x,y,z); m.scale.set(rx,ry,rz); return m; } function tube(g, pts, radius, color) { const curve = new T.CatmullRomCurve3(pts.map(p=>new T.Vector3(...p))); return mesh(g,new T.TubeGeometry(curve,32,radius,8,false),color,0,0,0); } const cloudSea = new T.Group(); const disc = mesh(cloudSea,new T.CircleGeometry(600,96),"#d8f3f2",0,0.02,0,-Math.PI/2); api.add(cloudSea,{id:"cloud-sea",describe:"a pale cloud sea far below the floating islands",solid:false}); const terrain = new T.Group(); const islands = [ {x:0,z:-15,r:7}, {x:23,z:-15,r:7}, {x:12,z:-36,r:7} ]; islands.forEach((a,i)=>{ mesh(terrain,new T.CylinderGeometry(a.r-0.25,0.8,5.2,10,1),"#ad7e9e",a.x,5.25,a.z,0,i*0.22,0); mesh(terrain,new T.CylinderGeometry(a.r, a.r-0.25,0.6,16),"#76bd69",a.x,7.9,a.z); mesh(terrain,new T.CylinderGeometry(a.r-0.18,a.r-0.18,0.12,16),"#b7e980",a.x,8.22,a.z); for(let j=0;j<7;j++){ const angle=j*2.4+i; const rr=4.9+(j%2)*0.7; ball(terrain,0.55,0.32,0.5,j%2?"#c58ca7":"#bd91b4", a.x+Math.cos(angle)*rr,6.6-(j%3)*0.45,a.z+Math.sin(angle)*rr); } }); // A wide, gentle stair climbs from the cloud level to the first island. for(let i=0;i<23;i++){ const h=(i+1)*8.28/23; box(terrain,2.4,h,0.69,i%2?"#e6bb8c":"#f2d09c",-3,h/2,5-i*0.65); } function bridge(a,b) { const dx=b.x-a.x, dz=b.z-a.z, dist=Math.hypot(dx,dz); const ux=dx/dist, uz=dz/dist; const length=dist-12.3; const g=new T.Group(); g.position.set(a.x+ux*6.15,0,a.z+uz*6.15); g.rotation.y=Math.atan2(ux,uz); terrain.add(g); const n=Math.ceil(length/0.5); for(let j=0;j{ rotors.forEach((r,i)=>{r.rotation.z=t*(0.35+i*0.06);}); balloons.forEach(b=>{ b.g.position.set(b.x+Math.sin(t*0.13+b.phase)*2.2, b.y+Math.sin(t*0.35+b.phase)*0.55, b.z+Math.cos(t*0.12+b.phase)*1.5); b.g.rotation.z=Math.sin(t*0.22+b.phase)*0.045; }); }); api.say="I made a sunny sky archipelago with cottages, turning windmills, rope bridges and waterfalls. A stairway leads up from the clouds, and balloons drift overhead."; api.suggest=["add a secret garden to an island","make the sky turn golden at sunset","add a friendly cloud dragon","put a rainbow over the waterfalls"];