John Alanbrook
901012064a
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118 lines
4.1 KiB
JavaScript
118 lines
4.1 KiB
JavaScript
/* main.js – runs the demo with your prototype-based grid */
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var res = 160
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var internal_res = 480
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var render = use('render');
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render.initialize({ width:res, height:res, resolution_x:internal_res, resolution_y:internal_res, mode:'letterbox' });
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var os = use('os');
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var draw2d = use('draw2d');
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var gfx = use('graphics');
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/* camera – unchanged */
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var camera = { size:[internal_res,internal_res], transform:os.make_transform(), fov:50, near_z:0,
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far_z:1000, surface:undefined, viewport:{x:0,y:0,width:1,height:1},
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ortho:true, anchor:[0,0] };
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/*──── import our pieces + systems ───────────────────────────────────*/
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var Grid = use('grid'); // your new ctor
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var MovementSystem = use('movement').MovementSystem;
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var startingPos = use('pieces').startingPosition;
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var rules = use('rules');
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/*──── build board ───────────────────────────────────────────────────*/
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var grid = new Grid(8, 8);
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grid.width = 8; // (the ctor didn’t store them)
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grid.height = 8;
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var mover = new MovementSystem(grid, rules);
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startingPos(grid);
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/*──── mouse → click-to-move ─────────────────────────────────────────*/
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var selectPos = null;
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prosperon.window.on_mousedown = function (btn, mx, my) {
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if (btn !== 0) return;
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var c = [Math.floor(mx / 60), Math.floor(my / 60)];
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if (!grid.inBounds(c)) return;
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var cell = grid.at(c);
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if (selectPos && mover.tryMove(grid.at(selectPos)[0], c)) {
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selectPos = null; // made a move
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return;
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}
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if (cell.length && cell[0].colour === mover.turn) {
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selectPos = c; // pick up piece
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} else {
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selectPos = null;
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}
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};
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/*──── drawing helpers ───────────────────────────────────────────────*/
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/* ── constants ─────────────────────────────────────────────────── */
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var S = 60; // square size in px
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var light = [0.93,0.93,0.93,1];
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var dark = [0.25,0.25,0.25,1];
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/* ── draw one 8×8 chess board ──────────────────────────────────── */
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function drawBoard() {
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for (var y = 0; y < 8; ++y)
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for (var x = 0; x < 8; ++x) {
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draw2d.rectangle(
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{ x: x*S, y: y*S, width: S, height: S },
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{ thickness: 0, color: ((x+y)&1) ? dark : light }
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);
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}
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}
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/* ── draw every live piece ─────────────────────────────────────── */
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function drawPieces() {
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grid.each(function (piece) {
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if (piece.captured) return;
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var r = { x: piece.coord[0]*S, y: piece.coord[1]*S,
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width:S, height:S };
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draw2d.image(piece.sprite, r, 0, [0,0], [0,0], {mode:"nearest"});
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});
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}
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/*──── main loop ─────────────────────────────────────────────────────*/
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var last = os.now(), fpsTimer = 0, fpsCount = 0;
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function loop() {
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var now = os.now(), dt = now - last; last = now;
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render.clear([22/255, 120/255, 194/255, 1]);
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render.camera(camera);
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drawBoard();
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drawPieces();
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render.present();
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fpsTimer += dt; fpsCount++;
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if (fpsTimer >= 0.5) {
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prosperon.window.title =
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'Chess demo – ' + mover.turn + '\'s move – FPS ' + (fpsCount / fpsTimer).toFixed(1);
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fpsTimer = fpsCount = 0;
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}
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$_.delay(loop, Math.max(0, (1 / 60) - (os.now() - now)));
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}
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loop();
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var os = use('os')
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var ioguy = {
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__ACTORDATA__: {
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id: os.ioactor()
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}
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}
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$_.send(ioguy, {
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type: "subscribe",
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actor: $_
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})
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$_.receiver(e => {
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if (e.type === 'quit')
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os.exit()
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else
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console.log(json.encode(e))
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})
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