const T = api.THREE; const forward = new T.Vector3(); api.camera.getWorldDirection(forward); forward.y = 0; if (forward.lengthSq() < 0.001) forward.set(0, 0, -1); forward.normalize(); const right = new T.Vector3(-forward.z, 0, forward.x); const origin = new T.Vector3(api.player.x, 0, api.player.z); const yaw = Math.atan2(forward.x, forward.z); function point(x, z) { return origin.clone().addScaledVector(right, x).addScaledVector(forward, z); } function put(recipe, id, describe, x, z, angle = 0, solid = false) { const obj = api.build(recipe); const p = point(x, z); obj.position.set(p.x, api.groundHeight(p.x, p.z), p.z); obj.rotation.y = yaw + angle; api.add(obj, {id, describe, solid}); return obj; } const P = (name, shape, size, pos, color, extra = {}) => ({name, shape, size, pos, color, ...extra}); api.world({sky:"#8bd4df", haze:"#b9e5dd", shadow:"#8a6aad"}); const ground = new T.Mesh(new T.CircleGeometry(600, 96), api.toon("#8fcf72")); ground.rotation.x = -Math.PI / 2; ground.position.set(api.player.x, 0.02, api.player.z); api.add(ground, {id:"tournament-meadow", describe:"a broad green tournament meadow", solid:false}); const sun = new T.Mesh(new T.SphereGeometry(24, 20, 12), api.toon("#ffe59b", {glow:true})); const sunPos = point(-125, 245); sun.position.set(sunPos.x, 115, sunPos.z); api.add(sun, {id:"festival-sun", describe:"a golden sun above the tournament", solid:false}); const lane = [ P("sand", "box", [11.2,0.12,63], [0,0.09,45], "#e8bd78"), P("left-edge", "box", [0.18,0.15,63], [-5.5,0.15,45], "#c88958"), P("right-edge", "box", [0.18,0.15,63], [5.5,0.15,45], "#c88958") ]; for (let z = 17; z <= 73; z += 4) { lane.push(P("tilt-post", "roundbox", [0.22,1.08,0.22], [0,0.57,z], "#76503b")); lane.push(P("post-cap", "sphere", [0.3,0.3,0.3], [0,1.16,z], "#f4cb5e")); } lane.push(P("tilt-rail", "roundbox", [0.14,0.19,59], [0,0.88,45], "#f4e0ac")); for (const side of [-1,1]) { for (let z = 17; z <= 73; z += 4) { lane.push(P("fence-post", "roundbox", [0.25,1.2,0.25], [side*6.3,0.63,z], "#805334")); lane.push(P("fence-cap", "sphere", [0.3,0.3,0.3], [side*6.3,1.25,z], "#efc65f")); } for (const y of [0.45,0.96]) lane.push(P("fence-rail", "roundbox", [0.16,0.16,58], [side*6.3,y,45], "#f1d69a")); } put({parts:lane}, "jousting-lists", "a sandy jousting lane with a central tilt and wooden rails", 0, 0); function pavilion(x, z, color, accent, id) { const parts = [ P("tent-body","cylinder",[8,4.2,8],[0,2.1,0],"#fff0ca"), P("roof","cone",[9,4,9],[0,6.05,0],color), P("roof-tip","sphere",[0.45,0.45,0.45],[0,8.1,0],"#f6ce64"), P("flagpole","cylinder",[0.13,2.2,0.13],[0,9.1,0],"#82553a"), P("pennant","wing",[2.1,0.9,0.08],[0,9.7,0],accent), P("entrance","roundbox",[2.1,2.7,0.16],[0,1.45,-4.01],"#74445b"), P("door-flap-l","box",[0.35,2.8,0.18],[-1.15,1.45,-4.05],color), P("door-flap-r","box",[0.35,2.8,0.18],[1.15,1.45,-4.05],color) ]; for (let i=0;i<8;i++) { const a = i*Math.PI/4; parts.push(P("stripe","roundbox",[0.37,3.9,0.16],[3.99*Math.sin(a),2.05,3.99*Math.cos(a)],accent,{rot:[0,i*45,0]})); parts.push(P("scallop","sphere",[1.15,0.55,0.6],[4.05*Math.sin(a),4.15,4.05*Math.cos(a)],accent)); } return put({parts},id,"a colorful striped tournament pavilion",x,z,0,false); } pavilion(-21,25,"#cc4d68","#f5c95d","rose-pavilion"); pavilion(21,25,"#5b9fd1","#f5e1a1","blue-pavilion"); pavilion(-21,62,"#9b69c8","#f0a4ca","violet-pavilion"); pavilion(21,62,"#e69741","#f6db78","gold-pavilion"); function banner(x,z,color,id) { const parts = [ P("pole","cylinder",[0.2,6.5,0.2],[0,3.25,0],"#79513a"), P("finial","sphere",[0.4,0.4,0.4],[0,6.6,0],"#f6d36c"), P("crossbar","cylinder",[0.12,2.2,0.12],[0,6.0,0],"#f2d18a",{rot:[0,0,90]}), P("cloth","roundbox",[1.75,2.5,0.10],[0,4.65,0],color), P("emblem","sphere",[0.65,0.65,0.15],[0,4.75,0.08],"#f9db78"), P("tail-l","wing",[0.85,0.75,0.08],[-0.85,3.45,0],color,{rot:[0,0,-12]}), P("tail-r","wing",[0.85,0.75,0.08],[0,3.45,0],color,{rot:[0,0,12]}) ]; put({parts,anim:[{part:"cloth",prop:"rz",amp:3,speed:0.45},{part:"tail-l",prop:"rz",amp:7,speed:0.55},{part:"tail-r",prop:"rz",amp:7,speed:0.55,phase:0.3}]},id,"a fluttering heraldic banner",x,z); } banner(-7.6,17,"#d94b59","crimson-banner"); banner(7.6,17,"#579fce","azure-banner"); banner(-7.6,73,"#9a66c7","violet-banner"); banner(7.6,73,"#e9953a","amber-banner"); function grandstand(side) { const x=side*10.1; const parts = [ P("lower-tier","roundbox",[4.8,0.7,46],[0,0.35,0],"#b47b4e"), P("upper-tier","roundbox",[2.0,0.7,46],[side*1.4,1.05,0],"#d29a5d"), P("front-trim","box",[0.16,0.22,46],[-side*2.42,0.68,0],"#f2ce85"), P("back-rail","box",[0.18,0.18,46],[side*2.35,2.15,0],"#8a543c") ]; for (let z=-22;z<=22;z+=4) parts.push(P("rail-post","roundbox",[0.22,1.4,0.22],[side*2.35,1.5,z],"#855339")); put({parts},"stand-"+(side<0?"west":"east"),"a long wooden spectators' grandstand",x,45,0,false); } grandstand(-1); grandstand(1); function crowd(side) { const parts=[], anim=[]; const clothes=["#e66869","#6da6d2","#e6b84f","#9b78c7","#70b78a","#e995bf"]; const skins=["#f2c9a0","#bc835f","#e6aa7d","#895d4c"]; for (let row=0;row<2;row++) { for (let i=0;i<10;i++) { const n=row*10+i, x=side*(row?11.45:9.15), z=25+i*4.35+(row?1.4:0); const y=row?1.4:0.7, color=clothes[(n+(side>0?2:0))%clothes.length], skin=skins[(n*3+row)%skins.length]; const a=side<0?Math.PI/2:-Math.PI/2; const ca=Math.cos(a),sa=Math.sin(a); function local(dx,dz){return [x+dx*ca+dz*sa,z-dx*sa+dz*ca];} const face=local(0,0.24); parts.push(P("crowd-body-"+n,"roundbox",[0.66,0.82,0.42],[x,y+0.75,z],color)); parts.push(P("crowd-head-"+n,"sphere",[0.55,0.57,0.52],[x,y+1.42,z],skin)); const eye1=local(-0.13,0.26), eye2=local(0.13,0.26); parts.push(P("eye-"+n+"a","eye",[0.18,0.2,0.12],[eye1[0],y+1.48,eye1[1]],"#ffffff",{rot:[0,a*180/Math.PI,0]})); parts.push(P("eye-"+n+"b","eye",[0.18,0.2,0.12],[eye2[0],y+1.48,eye2[1]],"#ffffff",{rot:[0,a*180/Math.PI,0]})); const arm=local(0.43,0); parts.push(P("cheering-arm-"+n,"capsule",[0.18,0.72,0.18],[arm[0],y+1.03,arm[1]],skin,{anchor:"bottom",rot:[0,0,side*42]})); parts.push(P("hat-"+n,"sphere",[0.62,0.22,0.56],[x,y+1.72,z],clothes[(n+2)%clothes.length])); anim.push({part:"cheering-arm-"+n,prop:"rz",amp:30,speed:0.65+(n%3)*0.12,phase:(n%5)/5}); anim.push({part:"crowd-head-"+n,prop:"y",amp:0.07,speed:0.65,phase:(n%4)/4}); } } put({parts,anim},"crowd-"+(side<0?"west":"east"),"a cheering crowd waving from the grandstand",0,0); } crowd(-1); crowd(1); const royal = [ P("dais","roundbox",[11,1.3,6],[0,0.65,0],"#a66749"), P("front-drape","box",[10.7,1.05,0.13],[0,0.78,-3.03],"#a44976"), P("gold-trim","box",[10.8,0.16,0.18],[0,1.3,-3.1],"#f6d06e"), P("back","roundbox",[10.5,4.8,0.28],[0,3.8,2.85],"#b96181"), P("canopy","box",[12,0.35,7],[0,6.35,0],"#b34f75"), P("roof","cone",[13,2.4,8],[0,7.6,0],"#d36583"), P("crest","sphere",[0.85,0.85,0.32],[0,6.35,-3.55],"#f6d36a") ]; for (const x of [-5,5]) { royal.push(P("column","cylinder",[0.42,5.1,0.42],[x,3.8,-2.55],"#f4d68f")); royal.push(P("column-cap","sphere",[0.65,0.4,0.65],[x,6.28,-2.55],"#f5cb61")); } for (const x of [-1.9,1.9]) { royal.push(P("throne-back","roundbox",[1.5,2.15,0.35],[x,2.6,0.7],"#f3c05d")); royal.push(P("throne-seat","roundbox",[1.55,0.4,1.1],[x,1.75,0.15],"#d76079")); royal.push(P("throne-cushion","roundbox",[1.2,0.16,0.85],[x,2.02,0.1],"#8c548e")); } put({parts:royal},"royal-stand","a canopied royal stand with two golden thrones",0,80,0,false); function royalPerson(x, isQueen) { const c=isQueen?"#a961b6":"#d24e58"; const parts=[ P("robe","roundbox",[1.0,1.1,0.65],[0,0.95,0],c), P("collar","sphere",[0.94,0.22,0.6],[0,1.48,0],"#fff0d0"), P("head","sphere",[0.63,0.68,0.6],[0,1.78,0],"#f2c9a0"), P("eye-l","eye",[0.22,0.25,0.14],[-0.15,1.84,0.29],"#ffffff"), P("eye-r","eye",[0.24,0.26,0.14],[0.15,1.84,0.29],"#ffffff"), P("nose","sphere",[0.16,0.16,0.15],[0,1.68,0.34],"#e5ad82"), P("crown-band","cylinder",[0.66,0.18,0.66],[0,2.14,0],"#f5ce54"), P("crown-point-l","cone",[0.23,0.33,0.23],[-0.22,2.35,0],"#f5ce54"), P("crown-point-m","cone",[0.25,0.38,0.25],[0,2.38,0],"#f5ce54"), P("crown-point-r","cone",[0.23,0.33,0.23],[0.22,2.35,0],"#f5ce54"), P("jewel","sphere",[0.13,0.14,0.08],[0,2.15,0.34],"#e75c83"), P("arm","capsule",[0.24,0.8,0.24],[0.58,1.18,0],"#f2c9a0",{anchor:"bottom",rot:[0,0,35]}), P("other-arm","capsule",[0.23,0.65,0.23],[-0.55,1.0,0],"#f2c9a0",{rot:[0,0,-45]}) ]; if (!isQueen) parts.push(P("beard","sphere",[0.48,0.34,0.27],[0,1.53,0.22],"#8b5c43")); const o=put({parts,anim:[{part:"arm",prop:"rz",amp:22,speed:0.6}]},isQueen?"queen":"king",isQueen?"the waving queen in her royal stand":"the waving king in his royal stand",x,80,Math.PI); o.position.y += 1.65; } royalPerson(-1.9,false); royalPerson(1.9,true); function knight(id, color, trim, horseColor, initialZ, direction) { const parts=[ P("horse-body","sphere",[1.25,1.2,2.15],[0,1.45,0],horseColor), P("horse-chest","sphere",[1.05,1.15,0.85],[0,1.55,0.72],horseColor), P("horse-neck","capsule",[0.7,1.45,0.72],[0,2.1,0.93],horseColor,{rot:[-25,0,0]}), P("horse-head","sphere",[0.67,0.83,0.86],[0,2.65,1.42],horseColor), P("horse-muzzle","roundbox",[0.62,0.4,0.58],[0,2.37,1.78],"#dcb58e"), P("horse-eye-l","eye",[0.27,0.3,0.14],[-0.3,2.77,1.64],"#ffffff",{rot:[0,-35,0]}), P("horse-eye-r","eye",[0.27,0.3,0.14],[0.3,2.77,1.64],"#ffffff",{rot:[0,35,0]}), P("ear-l","cone",[0.23,0.45,0.22],[-0.23,3.15,1.4],horseColor), P("ear-r","cone",[0.23,0.45,0.22],[0.23,3.15,1.4],horseColor), P("mane","roundbox",[0.2,1.2,0.35],[0,2.45,0.63],"#654253",{rot:[-25,0,0]}), P("tail","tube",[1,1,1],[0,1.75,-1.03],"#654253",{points:[[0,0,0],[0,0.2,-0.5],[0.12,-0.3,-0.9]],radius:0.14,taper:0.55}), P("saddle-blanket","roundbox",[1.38,0.25,1.3],[0,2.03,-0.05],color), P("saddle","roundbox",[0.85,0.25,0.85],[0,2.22,-0.05],"#895338"), P("bridle","torus",[0.67,0.08,0.67],[0,2.4,1.82],"#8a4e3d",{rot:[90,0,0]}), P("rider-body","roundbox",[0.92,1.05,0.55],[0,2.82,0],"#c7dce9"), P("surcoat","box",[0.76,0.66,0.58],[0,2.75,0.02],color), P("belt","box",[0.94,0.13,0.62],[0,2.48,0.01],"#80513f"), P("helmet","roundbox",[0.77,0.8,0.69],[0,3.65,0.06],"#d7e7ef"), P("visor","roundbox",[0.65,0.3,0.12],[0,3.62,0.43],"#859eb6"), P("visor-slit","box",[0.48,0.06,0.05],[0,3.65,0.5],"#4e3853"), P("plume","wing",[0.95,0.58,0.12],[0,4.14,0],trim,{rot:[0,0,35]}), P("shield","roundbox",[0.72,0.95,0.18],[-0.65,2.85,0.32],color), P("shield-emblem","sphere",[0.3,0.3,0.08],[-0.65,2.9,0.43],trim), P("right-arm","capsule",[0.26,0.85,0.26],[0.55,2.83,0.22],"#c7dce9",{rot:[65,0,-22]}), P("lance","cylinder",[0.13,4.6,0.13],[0.65,2.8,2.05],"#e6c283",{rot:[90,0,0]}), P("lance-tip","cone",[0.2,0.38,0.2],[0.65,2.8,4.53],"#e8f0f0",{rot:[90,0,0]}), P("lance-pennant","wing",[0.9,0.45,0.07],[0.66,2.8,3.3],trim,{rot:[0,90,0]}), P("rider-leg-l","capsule",[0.25,0.8,0.25],[-0.55,2.2,-0.12],"#c7dce9",{rot:[0,0,-18]}), P("rider-leg-r","capsule",[0.25,0.8,0.25],[0.55,2.2,-0.12],"#c7dce9",{rot:[0,0,18]}) ]; const anim=[]; for (const side of [-1,1]) for (const front of [-1,1]) { const n="leg-"+side+"-"+front; parts.push(P(n,"capsule",[0.28,1.05,0.3],[side*0.4,1.2,front*0.68],horseColor,{anchor:"top"})); parts.push(P("hoof-"+side+"-"+front,"roundbox",[0.34,0.22,0.42],[0,-0.9,0.04],"#754f4b",{parent:n})); anim.push({part:n,prop:"rx",amp:32,speed:1.7,phase:(side===front?0:0.5)}); } anim.push({part:"tail",prop:"ry",amp:18,speed:1.2}); anim.push({part:"plume",prop:"rz",amp:8,speed:1.1}); const obj=put({parts,anim},id,"an armored knight charging on a galloping horse",direction>0?-2.4:2.4,initialZ,direction>0?0:Math.PI); return obj; } const red=knight("crimson-knight","#d84f5e","#f7d05b","#b87a53",19,1); const blue=knight("azure-knight","#549cd0","#f3e0a0","#e4c8a2",71,-1); api.onFrame((dt,t)=>{ const cycle=(t%14)/14; const outbound=cycle<0.5; const f=outbound?cycle*2:(cycle-0.5)*2; const z1=outbound?19+52*f:71-52*f; const z2=outbound?71-52*f:19+52*f; const p1=point(-2.4,z1), p2=point(2.4,z2); red.position.x=p1.x; red.position.z=p1.z; blue.position.x=p2.x; blue.position.z=p2.z; red.position.y=api.groundHeight(p1.x,p1.z)+0.07*Math.abs(Math.sin(t*10.7)); blue.position.y=api.groundHeight(p2.x,p2.z)+0.07*Math.abs(Math.sin(t*10.7+1)); red.rotation.y=yaw+(outbound?0:Math.PI); blue.rotation.y=yaw+(outbound?Math.PI:0); }); api.say="I set up a lively medieval tournament, with charging knights, fluttering pavilions, a royal stand and cheering spectators."; api.suggest=[ "Give the knights a dramatic lance clash", "Add a feast beside the pavilions", "Make a dragon circle over the tournament", "Turn the tournament into a sunset celebration" ];