function createGame({ sdk }) { var W = sdk.W, H = sdk.H; var hx, hy, r, things, t, timeLeft, combo, comboT, spawnT; var lastPX, lastPY, activeT, moveDist; var TYPES = [ { name: "person", size: 7, color: "#ffd166", pts: 1, emoji: "🧍" }, { name: "car", size: 13, color: "#4dd0e1", pts: 3, emoji: "🚗" }, { name: "tree", size: 16, color: "#66bb6a", pts: 4, emoji: "🌳" }, { name: "house", size: 24, color: "#ff8a65", pts: 8, emoji: "🏠" }, { name: "tower", size: 38, color: "#ba68c8", pts: 20, emoji: "🏢" } ]; sdk.music({ mood: "intense" }); sdk.tweaks({ pull: { value: 260, min: 120, max: 500, step: 20, label: "Pull", desc: "Gravity strength" }, growth: { value: 1.0, min: 0.5, max: 2.0, step: 0.1, label: "Growth", desc: "Size gain per eat" }, time: { value: 30, min: 15, max: 60, step: 5, label: "Time", desc: "Round seconds" } }); function spawn() { var maxT = Math.min(TYPES.length - 1, Math.floor(r / 8)); var ti = Math.floor(Math.random() * (maxT + 1)); var ty = TYPES[ti]; things.push({ x: 20 + Math.random() * (W - 40), y: 60 + Math.random() * (H - 120), vx: 0, vy: 0, type: ty, dead: false, gone: 0 }); } sdk.run({ reset: function () { hx = W / 2; hy = H / 2; r = 10; things = []; t = 0; timeLeft = sdk.tweak("time"); combo = 0; comboT = 0; spawnT = 0; lastPX = null; lastPY = null; activeT = 0; moveDist = 0; for (var i = 0; i < 24; i++) spawn(); }, update: function (dt, input) { t += dt; timeLeft -= dt; if (timeLeft <= 0) { sdk.juice.shake(14); sdk.juice.flash(0.6); sdk.juice.burst(hx, hy, "#9b5de5", 30, 260); sdk.tone("win"); return sdk.win(); } // track player steering: how far did the hole move THIS frame? var moved = 0; if (input.pointerX != null) { if (lastPX != null) { var mdx = input.pointerX - lastPX, mdy = input.pointerY - lastPY; moved = Math.sqrt(mdx * mdx + mdy * mdy); } hx = input.pointerX; hy = input.pointerY; lastPX = input.pointerX; lastPY = input.pointerY; } else { lastPX = null; lastPY = null; } hx = sdk.clamp(hx, 0, W); hy = sdk.clamp(hy, 0, H); // "active" window: only recent steering keeps catches scoring moveDist += moved; if (moved > 0.5) activeT = 0.35; else if (activeT > 0) activeT -= dt; var isActive = activeT > 0; if (comboT > 0) { comboT -= dt; if (comboT <= 0) combo = 0; } spawnT -= dt; if (spawnT <= 0 && things.length < 40) { spawn(); spawnT = 0.4; } var pull = sdk.tweak("pull"); var growth = sdk.tweak("growth"); for (var i = 0; i < things.length; i++) { var o = things[i]; if (o.dead) { o.gone += dt; continue; } var dx = hx - o.x, dy = hy - o.y; var d = Math.sqrt(dx * dx + dy * dy) + 0.001; var canEat = o.type.size < r; // gravity pull ONLY while actively steering — idle = no free drift if (d < r * 6 && isActive) { var f = (pull * (canEat ? 1.4 : 0.4)) / d; o.vx += (dx / d) * f * dt; o.vy += (dy / d) * f * dt; } o.vx *= 0.92; o.vy *= 0.92; o.x += o.vx * dt * 60 * 0.016 * 60; o.y += o.vy * dt * 60 * 0.016 * 60; // only score when the catch is player-caused (actively steering) if (canEat && isActive && d < r + o.type.size * 0.3) { o.dead = true; combo = Math.min(combo + 1, 9); comboT = 1.4; var gained = o.type.pts * (1 + combo * 0.5); gained = Math.round(gained); sdk.addScore(gained); var oldStage = Math.floor(r / 8); r += o.type.size * 0.18 * growth; var newStage = Math.floor(r / 8); sdk.juice.burst(o.x, o.y, o.type.color, 12, 200); sdk.juice.popup("+" + gained + (combo > 1 ? " x" + combo : ""), o.x, o.y, o.type.color); sdk.juice.shake(2); sdk.tone("pickup"); sdk.haptic(15); if (newStage > oldStage) { sdk.juice.flash(0.35); sdk.juice.popup("GROW!", hx, hy - r - 20, "#9b5de5"); sdk.tone("score"); sdk.haptic(40); } } } // cleanup dead/gone for (var j = things.length - 1; j >= 0; j--) { if (things[j].dead && things[j].gone > 0.3) things.splice(j, 1); } }, draw: function (c) { // city ground c.fillStyle = "#101828"; c.fillRect(0, 0, W, H); // subtle grid streets c.strokeStyle = "rgba(80,110,160,0.15)"; c.lineWidth = 1; for (var gx = 0; gx <= W; gx += 45) { c.beginPath(); c.moveTo(gx, 0); c.lineTo(gx, H); c.stroke(); } for (var gy = 0; gy <= H; gy += 45) { c.beginPath(); c.moveTo(0, gy); c.lineTo(W, gy); c.stroke(); } // things for (var i = 0; i < things.length; i++) { var o = things[i]; var scale = 1; if (o.dead) scale = Math.max(0, 1 - o.gone / 0.3); if (scale <= 0) continue; c.save(); c.globalAlpha = scale; c.font = (o.type.size * 2.1 * scale) + "px serif"; c.textAlign = "center"; c.textBaseline = "middle"; // dim if too big to eat if (o.type.size >= r) c.globalAlpha = scale * 0.55; c.fillText(o.type.emoji, o.x, o.y); c.restore(); } // black hole — pulses brighter while actively feeding c.save(); var live = activeT > 0; c.shadowColor = live ? "#e0aaff" : "#9b5de5"; c.shadowBlur = live ? 44 : 30; var grd = c.createRadialGradient(hx, hy, 1, hx, hy, r); grd.addColorStop(0, "#000000"); grd.addColorStop(0.7, "#2a0a44"); grd.addColorStop(1, "#9b5de5"); c.fillStyle = grd; sdk.circle(c, hx, hy, r); c.fill ? c.fill() : null; // accretion ring c.strokeStyle = live ? "#e0aaff" : "#c77dff"; c.lineWidth = 3; c.beginPath(); c.arc(hx, hy, r + 4 + Math.sin(t * 6) * 2, 0, Math.PI * 2); c.stroke(); c.restore(); // timer bar var frac = sdk.clamp(timeLeft / sdk.tweak("time"), 0, 1); c.fillStyle = "rgba(255,255,255,0.12)"; sdk.roundRect(c, 20, 24, W - 40, 10, 5); c.fill ? c.fill() : c.fillRect(20, 24, (W - 40) * frac, 10); c.fillStyle = frac < 0.3 ? "#ff5b5b" : "#9b5de5"; c.save(); c.shadowColor = c.fillStyle; c.shadowBlur = 10; sdk.roundRect(c, 20, 24, (W - 40) * frac, 10, 5); c.restore(); } }); }

Black Hole

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