block place / break test (WIP)
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1afdddc882
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4 changed files with 227 additions and 14 deletions
39
assets/ground5.svg
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39
assets/ground5.svg
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128
assets/ground6.svg
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assets/ground6.svg
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After Width: | Height: | Size: 5.1 KiB |
42
js/index.js
42
js/index.js
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@ -1,12 +1,15 @@
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//const width = 2048;
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//const height = 2048;
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const tileSize = 128;
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// todo: make names better
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const assets = [
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'assets/ground1.svg',
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'assets/ground2.svg',
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'assets/player.svg',
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'assets/ground3.svg',
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'assets/ground4.svg',
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'assets/ground5.svg',
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'assets/ground6.svg'
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];
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function getRGBA(data, i) {
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@ -46,6 +49,15 @@ function toPoint(x2, y2, base, fac, exp, inSize) {
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return isMask;
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}
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function getChunk(x, y) {
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let cx = Math.floor(x / 16);
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let cy = Math.floor(y / 16);
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let id = cx + ',' + cy;
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return id;
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}
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function Game(inSize, exp, cs) {
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this.exp = exp;
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this.assets = [];
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@ -57,9 +69,27 @@ function Game(inSize, exp, cs) {
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this.frames = 0;
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this.camera = [0, 0];
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this.modChunks = {};
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this.dead = false;
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}
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Game.prototype.placeBlock = function (block) {
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let {camera} = this;
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let x = Math.round(camera[0] / tileSize);
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let y = Math.round(camera[1] / tileSize);
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let bx = x % 16;
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let by = y % 16;
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let id = getChunk(x, y);
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let chunk = this.modChunks[id] = this.modChunks[id] || new Uint8Array(16 * 16);
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chunk[by * 16 + bx] = block + 1;
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}
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Game.prototype.player = function () {
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let { ctx, fac, base, exp, inSize, camera, cs, assets } = this;
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ctx.drawImage(assets[2], cs / 2 - tileSize / 1.8, cs / 2 - tileSize / 1.8, tileSize / 0.9, tileSize / 0.9);
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@ -109,6 +139,18 @@ Game.prototype.main = function () {
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let x2 = x - camera[0] + cs / 2;
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let y2 = y - camera[1] + cs / 2;
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let id = getChunk(x / tileSize, y / tileSize);
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let chunk = this.modChunks[id];
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let bx = Math.round(x / tileSize) % 16;
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let by = Math.round(y / tileSize)% 16;
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if (chunk && chunk[by * 16 + bx] != 0) {
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ctx.drawImage(this.assets[chunk[by * 16 + bx] - 1], x2, y2, tileSize, tileSize);
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continue;
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}
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let isMask = toPoint(x, y, base, this.fac, exp, inSize);
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if (x < 0 || y < 0) {
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continue;
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10
js/motion.js
10
js/motion.js
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let id = '';
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function down(e) {
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keys[e.key.toLowerCase()] = true;
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let k = e.key.toLowerCase();
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keys[k] = true;
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if (k == 'r') game.placeBlock(6);
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if (k == 'f') game.placeBlock(5);
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};
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function up(e) {
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@ -13,8 +17,8 @@ function up(e) {
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function move() {
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var isShift = keys['q'];
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vel[0] += ((keys['a'] ? 1 : 0) - (keys['d'] ? 1 : 0)) * (isShift ? 5 : 1);
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vel[1] += ((keys['w'] ? 1 : 0) - (keys['s'] ? 1 : 0)) * (isShift ? 5 : 1);
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vel[0] += ((keys['a'] ? 1 : 0) - (keys['d'] ? 1 : 0)) * (isShift ? 2.3 : 1);
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vel[1] += ((keys['w'] ? 1 : 0) - (keys['s'] ? 1 : 0)) * (isShift ? 2.3 : 1);
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vel[0] *= 0.8;
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vel[1] *= 0.8;
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