MIND RUSH

Said BOUREZG
/
MIND RUSH
on 12 Nov 2026
1
11
3
1
9148
game.m
function g = game()
% MIND RUSH - One Button. One Decision. Beat the Clock.
  g.init = @initState;
  g.update = @updateState;
  g.render = @renderFrame;
end

function s = initState(ax)
  ax.XLim = [0 800];
  ax.YLim = [0 600];
  ax.YDir = 'reverse';
  ax.Color = [.03 .05 .09];

  s = struct('md', 0, 'sg', 1, 'mx', 10, 'rm', 10, 'sel', 1, ...
    'pr', false, 'pl', 0, 'lt', 0, 'wm', 0, 'qi', 1, ...
    'sc', 0, 'qp', 0, 'ok', 0, 'er', 0, 'cy', 0, 'lk', false);
  s.qs = buildBank();
  s.tBody = { ...
    '1. SPACE / CLICK cycles: A -> B -> C -> D.'; ...
    '2. Clock: 10s (Stage 1) -> 5s (Stage 10).'; ...
    '3. At 0.0s selection LOCKS (+10 pts right, 0 wrong).'; ...
    '4. Tap button after lock for next question.'};

  hp = {'HitTest', 'off', 'PickableParts', 'none'};
  h.oC = mkR(ax, [90 225 620 185], [.06 .09 .16], [.15 .35 .6], 1.5, .05, hp);
  h.qB = mkR(ax, [50 95 700 75], [.07 .11 .2], [.2 .5 .8], 1.5, .08, hp);
  h.tK = mkR(ax, [80 460 640 18], [.06 .08 .14], [.2 .3 .5], 1.2, .3, hp);
  h.tB = mkR(ax, [80 460 640 18], [0 .85 1], 'none', 1, .3, hp);
  h.hL = line(ax, [30 770], [55 55], 'Color', [.15 .3 .5], 'LineWidth', 1.5, hp{:});

  cy = [185 245 305 365];
  for i = 4:-1:1
    h.aB(i) = mkR(ax, [80 cy(i) 640 50], [.05 .08 .15], [.2 .3 .45], 1.5, .12, hp);
  end

  tp = {'FontWeight', 'bold', 'VerticalAlignment', 'middle', hp{:}};
  al = {'left', 'center', 'right'};
  T = { ...
    400, 120, 'MIND RUSH', 40, [0 .95 1], 2; ...
    400, 175, 'ONE BUTTON. ONE DECISION. BEAT THE CLOCK.', 12, [1 .82 .2], 2; ...
    400, 318, s.tBody, 12, [.85 .92 1], 2; ...
    400, 485, '[ SPACE OR CLICK TO START ]', 15, [.2 1 .6], 2; ...
    30, 32, 'MIND RUSH', 14, [0 .95 1], 1; ...
    340, 32, '', 12, [.9 .9 .9], 2; ...
    770, 32, '', 12, [1 .82 .2], 3; ...
    400, 78, '', 11, [.4 .8 1], 2; ...
    400, 132, '', 14, [1 1 1], 2; ...
    400, 435, '', 14, [1 .85 .2], 2; ...
    400, 498, '', 12, [.85 .9 1], 2; ...
    400, 545, '', 12, [.4 .7 .9], 2};

  for k = 12:-1:1
    r = T(k, :);
    ts(k) = text(ax, r{1}, r{2}, r{3}, 'FontSize', r{4}, 'Color', r{5}, 'HorizontalAlignment', al{r{6}}, tp{:});
  end
  h.ov = ts(1:4);
  h.gm = ts(5:12);

  for i = 4:-1:1
    h.aT(i) = text(ax, 110, cy(i) + 25, '', 'FontSize', 13, 'Color', [.8 .88 .98], tp{:});
    h.aG(i) = text(ax, 695, cy(i) + 25, '', 'FontSize', 12, 'Color', [0 .95 1], 'HorizontalAlignment', 'right', tp{:});
  end

  h.gR = [h.qB h.tK h.aB];
  h.gT = [h.gm h.aT h.aG];
  setVisMode(h, true);
  h.tB.Visible = 'off';
  s.h = h;
end

function s = updateState(s, dt, pressed)
  s.pl = s.pl + dt;
  tap = pressed && ~s.pr;
  s.pr = pressed;

  if s.md == 0 && tap
    s.sc = 0;
    s.ok = 0;
    s.er = 0;
    s.lk = false;
    s = setQ(s, 1);
  elseif s.md == 1
    if tap
      s.sel = mod(s.sel, 4) + 1;
      s.cy = s.cy + 1;
    end
    if s.wm > 0
      s.wm = s.wm - 1;
    else
      s.rm = s.rm - dt;
    end
    if s.rm <= 0
      s.rm = 0;
      s.md = 2;
      s.lt = .35;
      s.lk = (s.sel == s.qs(s.qi).ans);
      s.qp = 10 * s.lk;
      s.sc = s.sc + s.qp;
      s.ok = s.ok + s.lk;
      s.er = s.er + ~s.lk;
    end
  elseif s.md == 2
    s.lt = max(0, s.lt - dt);
    if s.lt <= 0 && tap
      if s.qi < numel(s.qs)
        s = setQ(s, s.qi + 1);
      else
        s.md = 4;
      end
    end
  elseif s.md == 4 && tap
    s.md = 0;
  end
end

function s = setQ(s, idx)
  times = [10 9 8 8 7 7 6 6 5 5];
  s.qi = idx;
  s.sg = idx;
  s.mx = times(idx);
  s.rm = s.mx;
  s.md = 1;
  s.sel = randi(4);
  s.qp = 0;
  s.cy = 0;
  s.lt = 0;
  s.wm = 3;
end

function renderFrame(~, s)
  h = s.h;
  isO = (s.md == 0 || s.md == 4);
  vO = 'off';
  if isO
    vO = 'on';
  end
  if ~strcmp(char(h.oC.Visible), vO)
    setVisMode(h, isO);
  end

  if isO
    if strcmp(char(h.tB.Visible), 'on')
      h.tB.Visible = 'off';
    end
    a = .5 + .5 * sin(floor(s.pl * 3) * 1.4);
    c = max(0, min(1, [.2 + .8 * a, 1, .5 + .5 * a]));
    if ~isequal(h.ov(4).Color, c)
      h.ov(4).Color = c;
    end
    if s.md == 0
      t = {'MIND RUSH', 'ONE BUTTON. ONE DECISION. BEAT THE CLOCK.', s.tBody, '[ SPACE OR CLICK TO START ]', [0 .95 1]};
    else
      tot = max(1, s.ok + s.er);
      t = {'ROUND COMPLETE', 'STAGE SUMMARY', {sprintf('SCORE: %d PTS', s.sc); sprintf('CORRECT: %d/%d (%d%%)', s.ok, tot, round(100 * s.ok / tot)); 'Tap button for Title.'}, '[ SPACE OR CLICK FOR TITLE ]', [1 .82 .2]};
    end
    if ~strcmp(char(h.ov(1).String), t{1})
      h.ov(1).Color = t{5};
      for j = 1:4
        h.ov(j).String = t{j};
      end
    end
    return
  end

  cur = s.qs(s.qi);
  gm = h.gm;
  nQ = numel(s.qs);
  setS(gm(2), sprintf('STAGE %d/10 | Q: %d/%d', s.sg, s.qi, nQ));
  setS(gm(3), sprintf('SCORE: %04d | OK: %d | ERR: %d', s.sc, s.ok, s.er));
  setS(gm(4), ['[ ' cur.cat ' ]']);
  setS(gm(5), cur.txt);

  FC = [.05 .08 .15; .1 .22 .38; .06 .32 .14; .38 .08 .08; .04 .2 .1; .04 .06 .1];
  EC = [.2 .3 .45; 0 .95 1; .2 1 .4; 1 .25 .25; .2 .8 .3; .15 .2 .3];
  LW = [1.2 2.5 3 3 2 1];
  BG = {'', '<< SELECTED', 'LOCKED: OK', 'LOCKED: NO', 'ANSWER', ''};
  for i = 1:4
    setS(h.aT(i), [char(64 + i) '. ' cur.opt{i}]);
    sel = (i == s.sel);
    ok = (i == cur.ans);
    k = 3 + (~ok) + 2 * (~sel);
    if s.md == 1
      k = 1 + sel;
    end
    b = h.aB(i);
    if ~isequal(b.EdgeColor, EC(k, :)) || ~strcmp(char(h.aG(i).String), BG{k})
      b.FaceColor = FC(k, :);
      b.EdgeColor = EC(k, :);
      b.LineWidth = LW(k);
      h.aG(i).String = BG{k};
      h.aG(i).Color = EC(k, :);
    end
  end

  r = max(0, min(1, s.rm / s.mx));
  pw = round(640 * r);
  vb = 'off';
  if pw > 1
    vb = 'on';
    if round(h.tB.Position(3)) ~= pw
      h.tB.Position = [80 460 pw 18];
    end
  end
  if ~strcmp(char(h.tB.Visible), vb)
    h.tB.Visible = vb;
  end
  fc = [0 .85 1];
  if r <= .25
    fc = [.55 + .4 * mod(floor(s.pl * 4), 2) .15 .15];
  elseif r <= .5
    fc = [1 .85 .2];
  end
  if ~isequal(h.tB.FaceColor, fc)
    h.tB.FaceColor = fc;
  end

  if s.md == 1
    setSC(gm(7), sprintf('TIME: %.1fs / %ds', s.rm, s.mx), [.85 .9 1]);
    setSC(gm(6), sprintf('Q-PTS: %d | CYCLES: %d', s.qp, s.cy), [.6 .75 .9]);
    setS(gm(8), 'TAP SPACE / CLICK: A -> B -> C -> D');
  else
    setSC(gm(7), 'TIME EXPIRED - ANSWER LOCKED', [1 .4 .4]);
    fS = sprintf('LOCKED: WRONG (%d PTS)', s.qp);
    fC = [1 .3 .3];
    if s.lk
      fS = sprintf('LOCKED: CORRECT (+%d PTS)', s.qp);
      fC = [.2 1 .4];
    end
    setSC(gm(6), fS, fC);
    hS = '[ SPACE OR CLICK FOR SUMMARY ]';
    if s.lt > 0
      hS = 'LOCKING...';
    elseif s.qi < nQ
      hS = '[ SPACE OR CLICK FOR NEXT ]';
    end
    setS(gm(8), hS);
  end
end

function qs = buildBank()
  cats = {'MATHEMATICS', 'PHYSICS', 'GENERAL SCIENCE', 'TECHNOLOGY', 'HISTORY', 'GEOGRAPHY', 'GENERAL KNOWLEDGE'};
  raw = { ...
    '1|Evaluate: 12 * 12 - 44|90|100|110|120|2'; ...
    '2|SI unit of electrical resistance:|Ohm|Volt|Watt|Ampere|1'; ...
    '3|Chemical symbol Au belongs to:|Silver|Aluminum|Gold|Argon|3'; ...
    '4|A single binary digit (0 or 1) is a:|Bit|Byte|Nibble|Word|1'; ...
    '5|Year of the first crewed Moon landing:|1965|1969|1972|1959|2'; ...
    '6|Largest ocean on Earth:|Atlantic|Indian|Arctic|Pacific|4'; ...
    '7|Sides on a regular hexagon:|5|7|6|8|3'; ...
    '1|Find the square root of 225:|13|14|16|15|4'; ...
    '2|Speed of light in vacuum (km/s):|150,000|300,000|450,000|600,000|2'; ...
    '6|Capital city of Japan:|Tokyo|Osaka|Kyoto|Seoul|1'};
  for k = numel(raw):-1:1
    p = strsplit(raw{k}, '|');
    qs(k).cat = cats{p{1} - '0'};
    qs(k).txt = p{2};
    qs(k).opt = p(3:6);
    qs(k).ans = p{7} - '0';
  end
end

function h = mkR(ax, pos, fc, ec, lw, cr, hp)
  h = rectangle(ax, 'Position', pos, 'FaceColor', fc, 'EdgeColor', ec, 'LineWidth', lw, 'Curvature', [cr cr], hp{:});
end

function setVisMode(h, isO)
  vO = 'off';
  vG = 'on';
  if isO
    vO = 'on';
    vG = 'off';
  end
  set(h.oC, 'Visible', vO);
  set(h.ov, 'Visible', vO);
  set(h.hL, 'Visible', vG);
  set(h.gR, 'Visible', vG);
  set(h.gT, 'Visible', vG);
end

function setS(o, v)
  if ~isequal(o.String, v)
    o.String = v;
  end
end

function setSC(o, v, c)
  setS(o, v);
  if ~isequal(o.Color, c)
    o.Color = c;
  end
end
Play Game
Preview

Play Game opens this in MATLAB Drive. Click Run this app there to play.