const T = api.THREE; const ink = "#3a2230"; const mats = {}; function mat(c, glow = false) { const k = c + glow; return mats[k] || (mats[k] = api.toon(c, glow ? { glow: true } : {})); } const boxGeo = new T.BoxGeometry(1, 1, 1); const sphereGeo = new T.SphereGeometry(1, 12, 9); const cylGeo = new T.CylinderGeometry(1, 1, 1, 10); const coneGeo = new T.ConeGeometry(1, 1, 10); function piece(g, geo, color, x, y, z, sx, sy, sz, name) { const m = new T.Mesh(geo, mat(color)); m.position.set(x, y, z); m.scale.set(sx, sy, sz); if (name) m.name = name; g.add(m); return m; } function box(g, c, x, y, z, sx, sy, sz, n) { return piece(g, boxGeo, c, x, y, z, sx, sy, sz, n); } function ball(g, c, x, y, z, sx, sy, sz, n) { return piece(g, sphereGeo, c, x, y, z, sx, sy, sz, n); } function tube(g, c, pts, radius) { const curve = new T.CatmullRomCurve3(pts.map(p => new T.Vector3(...p))); const m = new T.Mesh(new T.TubeGeometry(curve, 18, radius, 7, false), mat(c)); g.add(m); return m; } let seed = 1234567; function rnd() { seed = (seed * 1664525 + 1013904223) >>> 0; return seed / 4294967296; } api.world({ sky: "#92d8cd", haze: "#c3e5ce", shadow: "#695782" }); const ground = new T.Mesh(new T.CircleGeometry(600, 96), mat("#4d9e70")); ground.rotation.x = -Math.PI / 2; ground.position.y = 0.02; api.add(ground, { id: "jungle-ground", describe: "a broad green jungle floor", solid: false }); const dir = new T.Vector3(); api.camera.getWorldDirection(dir); dir.y = 0; if (dir.lengthSq() < 0.001) dir.set(0, 0, -1); dir.normalize(); const center = new T.Vector3(api.player.x + dir.x * 42, 0, api.player.z + dir.z * 42); center.y = api.groundHeight(center.x, center.z); const angle = Math.atan2(-dir.x, -dir.z); function worldPos(x, z) { return { x: center.x + x * Math.cos(angle) + z * Math.sin(angle), z: center.z - x * Math.sin(angle) + z * Math.cos(angle) }; } function positioned(group, x, y, z) { const p = worldPos(x, z); group.position.set(p.x, center.y + y, p.z); group.rotation.y = angle; return group; } // The stepped temple and its broad, climbable central staircase. const pyramid = new T.Group(); const stone = ["#c7b390", "#b9a27e", "#cdbb97", "#ad9978", "#c6b58f"]; for (let i = 0; i < 5; i++) { const w = 30 - i * 6; box(pyramid, stone[i], 0, i * 2 + 1, 0, w, 2, w, "terrace-" + (i + 1)); for (let j = 0; j < Math.max(3, Math.floor(w / 3)); j++) { const x = -w / 2 + 1.4 + j * (w - 2.8) / Math.max(1, Math.floor(w / 3) - 1); box(pyramid, j % 2 ? "#a49272" : "#d5c39e", x, i * 2 + 1.85, w / 2 + 0.025, 1.15, 0.12, 0.07); } } // Each rise is under the viewer's step-up height. for (let i = 0; i < 28; i++) { const h = (i + 1) * 0.36; const z = 19.5 - i * 0.61; box(pyramid, i % 3 === 0 ? "#cbb994" : "#bca985", 0, h / 2, z, 5.2, h, 0.65, "stair-" + i); box(pyramid, "#ddcaa4", 0, h - 0.035, z + 0.31, 5.25, 0.07, 0.07); } // Temple at the summit: open doorway, massive lintel and roof comb. box(pyramid, "#a99170", 0, 10.13, -0.7, 5.8, 0.26, 4.3); box(pyramid, "#cbb894", -2.25, 11.55, -0.7, 0.9, 2.8, 3.9, "west-pier"); box(pyramid, "#cbb894", 2.25, 11.55, -0.7, 0.9, 2.8, 3.9, "east-pier"); box(pyramid, "#927e68", 0, 11.55, -2.35, 3.8, 2.8, 0.5, "temple-back"); box(pyramid, "#d4c29d", 0, 13.1, -0.7, 5.9, 0.42, 4.3, "lintel"); box(pyramid, "#ae9878", 0, 13.48, -0.7, 5.3, 0.4, 3.8); box(pyramid, "#c8b38e", 0, 13.9, -1.3, 3.7, 0.48, 1.05, "roof-comb"); for (let x = -1.3; x <= 1.3; x += 1.3) { box(pyramid, "#806f60", x, 13.9, -0.76, 0.32, 0.22, 0.08); } // Broken masonry, patches of moss, and dangling vines on the front. for (let i = 0; i < 32; i++) { const tier = Math.floor(rnd() * 4); const w = 30 - tier * 6; const x = (rnd() < 0.5 ? -1 : 1) * (3.7 + rnd() * Math.max(0.4, w / 2 - 4.5)); const y = tier * 2 + 0.5 + rnd() * 1.3; box(pyramid, rnd() < 0.5 ? "#7b9670" : "#819762", x, y, w / 2 + 0.045, 0.4 + rnd() * 1.3, 0.15 + rnd() * 0.28, 0.09); } for (const x of [-6.5, -4.2, 4.4, 7.3, 11.2, -11]) { const length = 2.5 + rnd() * 3; const top = 2 + Math.floor(rnd() * 3) * 2; const tier = Math.max(0, Math.min(4, Math.floor((top - 0.1) / 2))); const front = (30 - tier * 6) / 2 + 0.08; const pts = []; for (let j = 0; j <= 6; j++) pts.push([x + Math.sin(j * 1.3 + x) * 0.17, top - j * length / 6, front + j * 0.035]); tube(pyramid, "#3d7851", pts, 0.085); for (let j = 1; j < 6; j++) { const leaf = ball(pyramid, j % 2 ? "#6dae61" : "#89bd72", x + (j % 2 ? 0.24 : -0.24), top - j * length / 6, front + j * 0.035 + 0.05, 0.32, 0.13, 0.08); leaf.rotation.z = j % 2 ? 0.55 : -0.55; } } positioned(pyramid, 0, 0, 0); api.add(pyramid, { id: "ancient-pyramid", describe: "an ancient stepped Maya-inspired stone pyramid with climbable stairs and vines" }); // River: a winding, continuous ribbon, with pale animated mist over it. const river = new T.Group(); const verts = [], indices = []; const N = 90; for (let i = 0; i <= N; i++) { const z = -80 + i * 1.65; const x = 31 + 2.8 * Math.sin(z * 0.065) + 1.1 * Math.sin(z * 0.14); verts.push(x - 3.6, 0.055, z, x + 3.6, 0.055, z); if (i < N) { const a = i * 2; indices.push(a, a + 2, a + 1, a + 1, a + 2, a + 3); } } const riverGeo = new T.BufferGeometry(); riverGeo.setAttribute("position", new T.Float32BufferAttribute(verts, 3)); riverGeo.setIndex(indices); riverGeo.computeVertexNormals(); const waterMat = mat("#70c3bb").clone(); waterMat.side = T.DoubleSide; const water = new T.Mesh(riverGeo, waterMat); water.name = "river-water"; river.add(water); for (let i = 0; i < 50; i++) { const z = -65 + rnd() * 125; const x = 31 + 2.8 * Math.sin(z * 0.065) + 1.1 * Math.sin(z * 0.14); const line = box(river, i % 2 ? "#b3ded0" : "#91d7cb", x + (rnd() - 0.5) * 5.5, 0.08, z, 0.7 + rnd() * 1.6, 0.025, 0.07); line.rotation.y = (rnd() - 0.5) * 0.25; } positioned(river, 0, 0, 0); api.add(river, { id: "misty-river", describe: "a winding turquoise jungle river", solid: false }); const mist = new T.Group(); const mistMat = mat("#d4eee0").clone(); mistMat.transparent = true; mistMat.opacity = 0.28; mistMat.depthWrite = false; const wisps = []; for (let i = 0; i < 28; i++) { const z = -55 + i * 4.1; const x = 31 + 2.8 * Math.sin(z * 0.065) + (rnd() - 0.5) * 4; const m = new T.Mesh(sphereGeo, mistMat); m.position.set(x, 0.65 + rnd() * 1.6, z); m.scale.set(2 + rnd() * 2, 0.28 + rnd() * 0.25, 0.8 + rnd()); mist.add(m); wisps.push({ m, x, y: m.position.y, phase: rnd() * 6 }); } positioned(mist, 0, 0, 0); api.add(mist, { id: "river-mist", describe: "low drifting mist above the river", solid: false }); // A ruined wall near the temple. const wall = new T.Group(); for (let row = 0; row < 3; row++) { for (let j = 0; j < 7; j++) { if (row === 2 && (j === 0 || j === 6)) continue; const x = (j - 3) * 1.03 + (row % 2) * 0.12; box(wall, ["#a99b7d", "#c4b390", "#b2a17f"][(j + row) % 3], x, 0.27 + row * 0.52, 0, 0.98, 0.5, 1.05, "wall-stone"); } } box(wall, "#719260", -2.4, 1.53, 0.1, 1.2, 0.08, 0.65); tube(wall, "#578350", [[2.8,1.55,0.55],[2.9,1.1,0.6],[2.7,0.6,0.62],[2.9,0.1,0.6]], 0.075); positioned(wall, -19, 0, 17); api.add(wall, { id: "ruined-wall", describe: "a mossy ruined stone wall" }); // Resting jaguar, with rounded paws, rosettes, ears, eyes, and a curling tail. const jag = new T.Group(); ball(jag, "#e7ac4f", 0, 0.43, 0, 1.35, 0.48, 0.58, "body"); ball(jag, "#f0bd66", -0.73, 0.36, 0.25, 0.52, 0.32, 0.44, "haunch"); for (const x of [-0.6, 0.6]) { for (const z of [-0.34, 0.38]) { ball(jag, "#e5aa4c", x, 0.16, z, 0.34, 0.17, 0.23, "paw"); } } ball(jag, "#e5aa4c", 1.08, 0.48, 0.27, 0.48, 0.43, 0.43, "head"); ball(jag, "#f4d39c", 1.39, 0.32, 0.51, 0.29, 0.2, 0.23, "muzzle"); ball(jag, ink, 1.54, 0.4, 0.6, 0.09, 0.065, 0.07); for (const z of [-0.02, 0.52]) { ball(jag, "#d99945", 1.03, 0.82, z, 0.16, 0.19, 0.13, "ear"); ball(jag, "#f2cf9c", 1.08, 0.85, z + 0.08, 0.08, 0.1, 0.035); } for (const x of [0.93, 1.24]) { ball(jag, "#fff6d9", x, 0.59, 0.64, 0.115, 0.12, 0.07, "eye"); ball(jag, ink, x + 0.015, 0.59, 0.7, 0.038, 0.055, 0.03); } for (let i = 0; i < 35; i++) { const x = -1.08 + rnd() * 2.05; const theta = rnd() * Math.PI; const z = Math.cos(theta) * 0.56; const y = 0.43 + Math.sin(theta) * 0.47; const spot = ball(jag, i % 3 ? "#744b3a" : "#96603c", x, y, z, 0.11 + rnd() * 0.08, 0.06, 0.10 + rnd() * 0.05); spot.rotation.x = theta - Math.PI / 2; } const tailPivot = new T.Group(); tailPivot.position.set(-1.17, 0.4, -0.1); jag.add(tailPivot); tube(tailPivot, "#e5aa4c", [[0,0,0],[-0.45,-0.07,-0.2],[-0.75,-0.05,-0.48],[-0.84,0.2,-0.62]], 0.12); ball(tailPivot, "#704735", -0.84, 0.2, -0.62, 0.13, 0.14, 0.13); positioned(jag, -19, 1.57, 17); api.add(jag, { id: "resting-jaguar", describe: "a spotted jaguar resting on the ruined wall", solid: false }); // Trees frame the temple and continue into the distance. const trees = []; const canopyColors = ["#277b58", "#348b5b", "#3a9865", "#4a9d67", "#256d54"]; for (let row = 0; row < 8; row++) { for (let col = 0; col < 10; col++) { const x = -57 + col * 12.5 + (rnd() - 0.5) * 4; const z = -57 + row * 13 + (rnd() - 0.5) * 4; if (Math.abs(x) < 20 && z > -20 && z < 29) continue; if (Math.abs(x) < 10 && z > 15) continue; if (Math.abs(x - (31 + 2.8 * Math.sin(z * 0.065))) < 6) continue; if (Math.abs(x + 19) < 5 && Math.abs(z - 17) < 5) continue; const h = 9.5 + rnd() * 6; const g = new T.Group(); piece(g, cylGeo, "#8a6651", 0, h * 0.46, 0, 0.52 + rnd() * 0.3, h * 0.92, 0.52 + rnd() * 0.2, "trunk"); for (let r = 0; r < 4; r++) { const a = r * Math.PI / 2 + 0.3; const root = box(g, "#806047", Math.cos(a) * 0.8, 0.3, Math.sin(a) * 0.8, 1.4, 0.5, 0.4); root.rotation.y = -a; } for (let j = 0; j < 5; j++) { const a = j * Math.PI * 2 / 5 + rnd() * 0.5; const bx = Math.cos(a) * 1.65, bz = Math.sin(a) * 1.65; tube(g, "#84634e", [[0,h*0.62,0],[bx*0.55,h*0.77,bz*0.55],[bx,h*0.82,bz]], 0.17); ball(g, canopyColors[(row + col + j) % canopyColors.length], bx, h * 0.86 + rnd() * 0.8, bz, 2.2 + rnd() * 0.6, 1.55 + rnd() * 0.5, 2.1 + rnd() * 0.6, "canopy"); } ball(g, canopyColors[(row + col + 2) % canopyColors.length], 0, h + 0.5, 0, 2.8, 1.8, 2.7, "crown"); positioned(g, x, 0, z); api.add(g, { id: "jungle-tree-" + trees.length, describe: "a tall broad-canopied jungle tree" }); trees.push({ x, z, h }); } } // Ferns and fallen stones, grouped as nonblocking jungle dressing. const undergrowth = new T.Group(); for (let i = 0; i < 150; i++) { const x = -62 + rnd() * 124, z = -65 + rnd() * 110; if (Math.abs(x) < 18 && z > -18 && z < 22) continue; if (Math.abs(x) < 7 && z > 15) continue; if (Math.abs(x - (31 + 2.8 * Math.sin(z * 0.065))) < 4.2) continue; const y = 0.06; if (i % 4 === 0) { const rock = ball(undergrowth, i % 2 ? "#a79e7c" : "#879779", x, y + 0.2, z, 0.5 + rnd() * 0.5, 0.25, 0.45); rock.rotation.y = rnd() * 3; } else { for (let j = 0; j < 4; j++) { const a = j * Math.PI / 2 + rnd() * 0.4; const leaf = ball(undergrowth, j % 2 ? "#69ad68" : "#398c56", x + Math.cos(a) * 0.35, y + 0.3, z + Math.sin(a) * 0.35, 0.55, 0.12, 0.2); leaf.rotation.y = -a; leaf.rotation.z = 0.35; } } } positioned(undergrowth, 0, 0, 0); api.add(undergrowth, { id: "jungle-undergrowth", describe: "ferns and mossy stones on the jungle floor", solid: false }); // Birds and monkeys perch in visible trees, gently moving. const movers = []; const candidates = trees.filter(t => t.z > -25 && t.z < 35 && Math.abs(t.x) < 40); function addToucan(t, index) { const g = new T.Group(); ball(g, "#44364a", 0, 0.25, 0, 0.44, 0.54, 0.38, "body"); ball(g, "#f5e7bc", 0, 0.25, 0.33, 0.27, 0.35, 0.1, "chest"); ball(g, "#44364a", 0, 0.72, 0.09, 0.31, 0.3, 0.3, "head"); ball(g, "#fff9e8", 0.19, 0.78, 0.34, 0.13, 0.13, 0.08, "eye"); ball(g, ink, 0.2, 0.78, 0.41, 0.044, 0.05, 0.03); const beak = ball(g, "#ef9b38", 0, 0.6, 0.72, 0.26, 0.23, 0.56, "beak"); beak.rotation.x = 0.2; ball(g, "#d95a3d", 0, 0.53, 1.12, 0.18, 0.13, 0.14); ball(g, "#574058", -0.3, 0.22, -0.02, 0.18, 0.37, 0.35, "wing"); ball(g, "#574058", 0.3, 0.22, -0.02, 0.18, 0.37, 0.35, "wing"); for (const x of [-0.19, 0.19]) box(g, "#c59c65", x, -0.19, 0.04, 0.09, 0.3, 0.09); positioned(g, t.x + 1.5, t.h * 0.78, t.z + 1.1); api.add(g, { id: "toucan-" + index, describe: "a colorful toucan perched in a jungle tree", solid: false }); movers.push({ group: g, y: g.position.y, phase: index * 1.7, kind: "bird" }); } function addMonkey(t, index) { const g = new T.Group(); ball(g, "#a66d50", 0, 0.38, 0, 0.42, 0.55, 0.31, "body"); ball(g, "#d9a379", 0, 0.4, 0.29, 0.27, 0.36, 0.07, "belly"); ball(g, "#a66d50", 0, 1.02, 0.07, 0.4, 0.4, 0.34, "head"); ball(g, "#e8b991", 0, 0.98, 0.36, 0.31, 0.25, 0.12, "face"); for (const x of [-0.4, 0.4]) { ball(g, "#b97d5b", x, 1.04, 0.04, 0.18, 0.2, 0.12, "ear"); ball(g, "#fff9eb", x * 0.46, 1.09, 0.47, 0.15, 0.16, 0.08, "eye"); ball(g, ink, x * 0.46, 1.09, 0.54, 0.045, 0.05, 0.025); const arm = ball(g, "#a66d50", x * 1.3, 0.48, 0, 0.14, 0.45, 0.14, "arm"); arm.rotation.z = x < 0 ? -0.6 : 0.6; ball(g, "#d9a379", x * 1.7, 0.2, 0.06, 0.13, 0.12, 0.14, "hand"); ball(g, "#a66d50", x * 0.6, -0.08, 0.12, 0.2, 0.14, 0.3, "foot"); } tube(g, "#a66d50", [[0,0.2,-0.25],[-0.35,0.15,-0.55],[-0.7,0.4,-0.65],[-0.65,0.85,-0.55],[-0.4,0.92,-0.5]], 0.09); positioned(g, t.x - 1.3, t.h * 0.78, t.z + 1.2); api.add(g, { id: "monkey-" + index, describe: "a curious monkey in a jungle tree", solid: false }); movers.push({ group: g, y: g.position.y, phase: index * 2.3, kind: "monkey" }); } if (candidates.length) { for (let i = 0; i < Math.min(3, candidates.length); i++) addToucan(candidates[(i * 3) % candidates.length], i + 1); for (let i = 0; i < Math.min(3, candidates.length); i++) addMonkey(candidates[(i * 3 + 1) % candidates.length], i + 1); } api.onFrame((dt, t) => { for (const w of wisps) { w.m.position.x = w.x + Math.sin(t * 0.22 + w.phase) * 0.7; w.m.position.y = w.y + Math.sin(t * 0.37 + w.phase) * 0.13; } for (const a of movers) { a.group.position.y = a.y + Math.sin(t * (a.kind === "bird" ? 1.1 : 1.5) + a.phase) * 0.05; a.group.rotation.z = Math.sin(t * 0.8 + a.phase) * (a.kind === "bird" ? 0.05 : 0.12); } tailPivot.rotation.y = Math.sin(t * 0.8) * 0.18; }); api.say = "I built a vine-covered stepped pyramid in a dense jungle, with a misty river and a jaguar resting on a ruined wall. Toucans and monkeys perch in the trees."; api.suggest = [ "Add a hidden chamber inside the pyramid", "Send a canoe drifting down the river", "Make glowing fireflies appear at dusk", "Add a waterfall beyond the jungle" ];