function createGame({ sdk }) { var W = sdk.W, H = sdk.H; var ball, tee, goal, walls, blades, aiming, aimStart, shots, hole, t, resting, settleT, par, totalShots; sdk.music({ mood: "chill" }); sdk.bg("glow", { color: "#0d3b2e", base: "#03100b", x: 0.5, y: 0.4, r: 0.8, pulse: 0.2 }); sdk.tweaks({ power: { value: 5.2, min: 3, max: 8, step: 0.2, label: "Blast power", desc: "How hard a full drag launches" }, gravity: { value: 520, min: 200, max: 900, step: 20, label: "Gravity" }, bounce: { value: 0.66, min: 0.3, max: 0.9, step: 0.02, label: "Bounciness" }, holes: { kind: "seed", value: 7, label: "Course" } }); function rand(seed) { return sdk.rng(seed); } function buildHole(n) { var r = rand(sdk.tweak("holes") * 97 + n * 131 + 1); walls = []; blades = []; // tee near bottom, goal somewhere upper area tee = { x: 40 + r() * 90, y: H - 70 }; goal = { x: W - 60 - r() * 90, y: 90 + r() * 160, r: Math.max(22, 34 - n * 1.6) }; par = 2 + Math.min(4, Math.floor(n / 2)); // difficulty scales with hole number var wallCount = Math.min(4, Math.floor(n / 1.5)); for (var i = 0; i < wallCount; i++) { var ww = 14 + r() * 10; var wh = 60 + r() * 140; var wx = 60 + r() * (W - 140); var wy = 120 + r() * (H - 320); // keep walls off the tee & goal if (Math.abs(wx - tee.x) < 60 && Math.abs(wy - tee.y) < 120) wx = (wx + 120) % (W - 60) + 30; walls.push({ x: wx, y: wy, w: ww, h: wh }); } // moving hazard blades appear from hole 3 if (n >= 3) { var bc = Math.min(3, n - 2); for (var j = 0; j < bc; j++) { blades.push({ x: 80 + r() * (W - 160), y: 140 + r() * (H - 320), rad: 30 + r() * 40, ang: r() * 6.28, spd: 1.2 + r() * 1.4, r: 12 }); } } } function resetBall() { ball = { x: tee.x, y: tee.y, vx: 0, vy: 0, r: 11 }; resting = true; settleT = 0; } sdk.run({ reset: function () { hole = 1; shots = 0; totalShots = 0; t = 0; aiming = false; aimStart = null; buildHole(hole); resetBall(); }, update: function (dt, input) { t += dt; var G = sdk.tweak("gravity"); // move blades always for (var b = 0; b < blades.length; b++) { var bl = blades[b]; bl.ang += bl.spd * dt; bl.px = bl.x + Math.cos(bl.ang) * bl.rad; bl.py = bl.y + Math.sin(bl.ang) * bl.rad; } if (resting) { // AIM: drag from near the ball, release to fire if (input.holding && input.pointerX !== null) { if (!aiming) { var ddx = input.pointerX - ball.x, ddy = input.pointerY - ball.y; if (ddx * ddx + ddy * ddy < 90 * 90 || aimStart) { aiming = true; } } if (aiming) aimStart = { x: input.pointerX, y: input.pointerY }; } else if (aiming) { // release -> launch opposite the drag (slingshot) var dx = ball.x - aimStart.x, dy = ball.y - aimStart.y; var mag = Math.sqrt(dx * dx + dy * dy); if (mag > 12) { var pw = sdk.tweak("power"); var capped = Math.min(mag, 160); ball.vx = dx * capped / mag * pw; ball.vy = dy * capped / mag * pw; resting = false; shots++; sdk.tone("jump"); sdk.juice.burst(ball.x, ball.y, "#7cffb0", 8, 160); sdk.haptic(20); } aiming = false; aimStart = null; } return; } // FLY: physics ball.vy += G * dt; ball.x += ball.vx * dt; ball.y += ball.vy * dt; var bnc = sdk.tweak("bounce"); // world bounds if (ball.x < ball.r) { ball.x = ball.r; ball.vx = Math.abs(ball.vx) * bnc; } if (ball.x > W - ball.r) { ball.x = W - ball.r; ball.vx = -Math.abs(ball.vx) * bnc; } if (ball.y < ball.r) { ball.y = ball.r; ball.vy = Math.abs(ball.vy) * bnc; } if (ball.y > H - ball.r) { ball.y = H - ball.r; ball.vy = -Math.abs(ball.vy) * bnc; ball.vx *= 0.86; // floor friction } // walls (AABB reflect) for (var i = 0; i < walls.length; i++) { var w = walls[i]; if (ball.x > w.x - ball.r && ball.x < w.x + w.w + ball.r && ball.y > w.y - ball.r && ball.y < w.y + w.h + ball.r) { // resolve on smaller penetration axis var penL = (ball.x) - (w.x - ball.r); var penR = (w.x + w.w + ball.r) - ball.x; var penT = (ball.y) - (w.y - ball.r); var penB = (w.y + w.h + ball.r) - ball.y; var m = Math.min(penL, penR, penT, penB); if (m === penL) { ball.x = w.x - ball.r; ball.vx = -Math.abs(ball.vx) * bnc; } else if (m === penR) { ball.x = w.x + w.w + ball.r; ball.vx = Math.abs(ball.vx) * bnc; } else if (m === penT) { ball.y = w.y - ball.r; ball.vy = -Math.abs(ball.vy) * bnc; } else { ball.y = w.y + w.h + ball.r; ball.vy = Math.abs(ball.vy) * bnc; } sdk.tone("hit"); } } // blade hazards -> stroke penalty, respawn at tee for (var k = 0; k < blades.length; k++) { var bl2 = blades[k]; var hx = bl2.px - ball.x, hy = bl2.py - ball.y; if (hx * hx + hy * hy < (bl2.r + ball.r) * (bl2.r + ball.r)) { sdk.juice.burst(ball.x, ball.y, "#ff4d6d", 22, 220); sdk.juice.shake(9); sdk.juice.flash(0.35); sdk.tone("hit"); sdk.haptic(40); shots++; // penalty stroke sdk.juice.popup("+1 stroke!", ball.x, ball.y - 20, "#ff4d6d"); resetBall(); return; } } // GOAL check — must be slow-ish to sink (realistic golf) var gx = goal.x - ball.x, gy = goal.y - ball.y; var gd = Math.sqrt(gx * gx + gy * gy); var spd = Math.sqrt(ball.vx * ball.vx + ball.vy * ball.vy); if (gd < goal.r - 2 && spd < 340) { // SUNK! var under = par - shots; var earned = Math.max(1, 10 + under * 5); sdk.addScore(earned); totalShots += shots; sdk.juice.burst(goal.x, goal.y, "#ffd166", 30, 260); sdk.juice.flash(0.4); sdk.juice.shake(5); sdk.tone("win"); sdk.haptic(60); var msg = under > 0 ? "BIRDIE! +" + earned : (under === 0 ? "PAR +" + earned : "SUNK +" + earned); sdk.juice.popup(msg, goal.x, goal.y - 30, "#ffd166"); hole++; if (hole > 9) { return sdk.win(); } shots = 0; buildHole(hole); resetBall(); return; } // settle: when slow near floor for a bit, come to rest for next shot if (spd < 26) { settleT += dt; if (settleT > 0.4) { ball.vx = 0; ball.vy = 0; resting = true; settleT = 0; tee.x = ball.x; tee.y = ball.y; // aim from where it rests } } else { settleT = 0; } }, draw: function (c) { // goal ring c.save(); c.strokeStyle = "#ffd166"; c.shadowColor = "#ffd166"; c.shadowBlur = 20; c.lineWidth = 4; c.beginPath(); c.arc(goal.x, goal.y, goal.r, 0, 6.283); c.stroke(); c.globalAlpha = 0.25 + Math.sin(t * 4) * 0.12; c.fillStyle = "#ffd166"; c.beginPath(); c.arc(goal.x, goal.y, goal.r, 0, 6.283); c.fill(); c.restore(); // walls c.save(); c.fillStyle = "#2a6b52"; c.shadowColor = "#3fae82"; c.shadowBlur = 10; for (var i = 0; i < walls.length; i++) { var w = walls[i]; sdk.roundRect(c, w.x, w.y, w.w, w.h, 5); } c.restore(); // blades c.font = "22px system-ui"; c.textAlign = "center"; c.textBaseline = "middle"; for (var k = 0; k < blades.length; k++) { var bl = blades[k]; c.save(); c.strokeStyle = "rgba(255,77,109,0.25)"; c.lineWidth = 1; c.beginPath(); c.arc(bl.x, bl.y, bl.rad, 0, 6.283); c.stroke(); c.restore(); c.fillText("🌀", bl.px, bl.py); } // aim line + power indicator while aiming if (resting && aiming && aimStart) { var dx = ball.x - aimStart.x, dy = ball.y - aimStart.y; var mag = Math.min(Math.sqrt(dx * dx + dy * dy), 160); var ang = Math.atan2(dy, dx); var pctPow = mag / 160; c.save(); c.strokeStyle = "rgba(124,255,176," + (0.4 + pctPow * 0.5) + ")"; c.shadowColor = "#7cffb0"; c.shadowBlur = 12; c.lineWidth = 3; c.setLineDash([6, 6]); c.beginPath(); c.moveTo(ball.x, ball.y); c.lineTo(ball.x + Math.cos(ang) * mag * 1.6, ball.y + Math.sin(ang) * mag * 1.6); c.stroke(); c.setLineDash([]); // power arc c.strokeStyle = pctPow > 0.85 ? "#ff4d6d" : "#ffd166"; c.lineWidth = 4; c.beginPath(); c.arc(ball.x, ball.y, 22, -1.57, -1.57 + pctPow * 6.283); c.stroke(); c.restore(); } // the comet ball c.save(); c.shadowColor = "#7cffb0"; c.shadowBlur = 22; c.fillStyle = "#c8ffe0"; sdk.circle(c, ball.x, ball.y, ball.r); c.restore(); // HUD c.font = "16px system-ui"; c.textAlign = "left"; c.textBaseline = "alphabetic"; c.fillStyle = "#9fe0c4"; c.fillText("Hole " + hole + "/9 Par " + par + " Shots " + shots, 12, 26); if (resting && !aiming) { c.textAlign = "center"; c.fillStyle = "rgba(200,255,224,0.6)"; c.fillText("drag from ball to aim & blast", W / 2, H - 24); c.textAlign = "left"; } } }); }

Comet Golf

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