function createGame({ sdk }) { var W = sdk.W, H = sdk.H; var px, py, ppx, ppy, shadows, beams, t, alive, burn, seedN; var glideAccum, safeStreak, dodgedIds; sdk.music({ mood: "intense" }); sdk.bg("glow", { color: "#3a2410", base: "#1a0f05", x: 0.5, y: 0.1, r: 0.9, pulse: 0.3 }); sdk.tweaks({ follow: { value: 8, min: 4, max: 14, step: 1, label: "Dash speed", desc: "How fast the vampire glides", group: "Movement" }, shrink: { value: 3, min: 1, max: 8, step: 0.5, label: "Shade shrink", desc: "How fast shadows wither", group: "Enemies" }, burnTime: { value: 0.75, min: 0.4, max: 1.4, step: 0.05, label: "Burn tolerance", desc: "Seconds in light before ash", group: "Enemies" }, world: { kind: "seed", value: 1234, label: "Shade layout", group: "Look" } }); var beamId = 0; function makeShadows() { var rnd = sdk.rng(sdk.tweak("world")); shadows = []; for (var i = 0; i < 5; i++) { shadows.push({ x: 50 + rnd() * (W - 100), y: 120 + rnd() * (H - 220), r: 62 + rnd() * 34, r0: 0, drift: (rnd() - 0.5) * 0.7, phase: rnd() * 6.28 }); shadows[i].r0 = shadows[i].r; } } function inShade(x, y) { for (var i = 0; i < shadows.length; i++) { var s = shadows[i], dx = x - s.x, dy = y - s.y; if (dx * dx + dy * dy < (s.r - 6) * (s.r - 6)) return true; } return false; } sdk.run({ reset: function () { px = W / 2; py = H / 2; ppx = px; ppy = py; t = 0; alive = true; burn = 0; glideAccum = 0; safeStreak = 0; dodgedIds = {}; beams = []; beamId = 0; makeShadows(); }, update: function (dt, input) { if (!alive) return; t += dt; ppx = px; ppy = py; if (input.pointerX !== null) { var k = Math.min(1, sdk.tweak("follow") * dt); px += (input.pointerX - px) * k; py += (input.pointerY - py) * k; } px = sdk.clamp(px, 14, W - 14); py = sdk.clamp(py, 80, H - 20); var moved = Math.hypot(px - ppx, py - ppy); // shadows drift and shrink over time var shr = sdk.tweak("shrink"); for (var i = 0; i < shadows.length; i++) { var s = shadows[i]; s.x += Math.cos(s.phase + t * 0.5) * s.drift * 30 * dt; s.y += Math.sin(s.phase + t * 0.7) * s.drift * 20 * dt; s.x = sdk.clamp(s.x, 40, W - 40); s.y = sdk.clamp(s.y, 110, H - 60); s.r = Math.max(26, s.r0 - t * shr); } var totalShade = 0; for (i = 0; i < shadows.length; i++) totalShade += shadows[i].r; if (totalShade < 200 && shadows.length < 6) { shadows.push({ x: 50 + Math.random() * (W - 100), y: 120 + Math.random() * (H - 220), r: 70, r0: 70 + t * shr, drift: (Math.random() - 0.5) * 0.7, phase: Math.random() * 6.28 }); } // sweeping sunbeams if (t > 3 && beams.length < Math.min(3, Math.floor((t - 3) / 8) + 1)) { if (beams.length === 0 || t - beams[beams.length - 1].born > 8) { beams.push({ id: ++beamId, x: -60, w: 44, v: 70 + t * 3, born: t, passedPlayer: false }); } } for (i = beams.length - 1; i >= 0; i--) { var b = beams[i]; b.x += b.v * dt; // DODGE reward: a beam sweeps past the vampire's x while the vampire is safe if (!b.passedPlayer && b.x - b.w / 2 > px) { b.passedPlayer = true; if (this._safe) { sdk.addScore(3); sdk.tone("score"); sdk.juice.popup("DODGE +3", px, py - 26, "#ffd27a"); sdk.juice.burst(px, py, "#ffd27a", 10, 120); sdk.juice.shake(3); } } if (b.x > W + 80) beams.splice(i, 1); } function inBeam(x) { for (var j = 0; j < beams.length; j++) if (x > beams[j].x - beams[j].w / 2 && x < beams[j].x + beams[j].w / 2) return true; return false; } var safe = inShade(px, py) && !inBeam(px); this._safe = safe; this._inBeam = inBeam; if (safe) { burn = Math.max(0, burn - dt * 1.6); // SCORE ONLY MOVEMENT while safe — idling in shade earns nothing. glideAccum += moved; if (glideAccum >= 90) { glideAccum -= 90; sdk.addScore(1); sdk.juice.popup("+1", px, py - 22, "#c9a0ff"); sdk.tone("pickup"); } } else { glideAccum = 0; burn += dt; if (burn > 0.15 && Math.random() < 0.4) sdk.juice.burst(px, py, "#ff8c3a", 2, 60); if (burn >= sdk.tweak("burnTime")) { alive = false; sdk.tone("hit"); sdk.haptic(40); sdk.juice.burst(px, py, "#ffbb55", 30, 260); sdk.juice.shake(12); sdk.juice.flash(0.6); return sdk.gameOver(); } } }, draw: function (c) { c.save(); c.fillStyle = "rgba(255,190,90,0.10)"; c.fillRect(0, 60, W, H - 60); c.restore(); for (var i = 0; i < shadows.length; i++) { var s = shadows[i]; var grad = c.createRadialGradient(s.x, s.y, s.r * 0.2, s.x, s.y, s.r); grad.addColorStop(0, "rgba(20,10,35,0.92)"); grad.addColorStop(1, "rgba(20,10,35,0)"); c.fillStyle = grad; sdk.circle(c, s.x, s.y, s.r); } for (i = 0; i < beams.length; i++) { var b = beams[i]; var bg = c.createLinearGradient(b.x - b.w / 2, 0, b.x + b.w / 2, 0); bg.addColorStop(0, "rgba(255,220,120,0)"); bg.addColorStop(0.5, "rgba(255,230,150,0.5)"); bg.addColorStop(1, "rgba(255,220,120,0)"); c.fillStyle = bg; c.fillRect(b.x - b.w / 2, 60, b.w, H - 60); } var exposed = !this._safe; c.save(); c.shadowColor = exposed ? "#ff6a3a" : "#8a4dff"; c.shadowBlur = exposed ? 20 : 14; c.font = "28px system-ui"; c.textAlign = "center"; c.textBaseline = "middle"; c.fillText("🧛", px, py); c.restore(); if (exposed) { c.save(); var vg = c.createRadialGradient(W / 2, H / 2, 120, W / 2, H / 2, 360); vg.addColorStop(0, "rgba(255,60,20,0)"); vg.addColorStop(1, "rgba(255,60,20,0.35)"); c.fillStyle = vg; c.fillRect(0, 0, W, H); c.restore(); } c.font = "13px system-ui"; c.textAlign = "left"; c.textBaseline = "alphabetic"; c.fillStyle = exposed ? "#ff9a5a" : "#b79cff"; c.fillText(exposed ? "BURNING!" : "glide in shade", 12, 78); } }); }

Nosferatu Noon

0 comments