33 lines
No EOL
1,006 B
JavaScript
33 lines
No EOL
1,006 B
JavaScript
function renderMap(xx, yy) {
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if (xx[0] > 0 && xx[0] < 31 && yy[0] > 0 && yy[0] < 9 &&
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xx[1] > 0 && xx[1] < 31 && yy[1] > 0 && yy[1] < 9 &&
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xx[1] >= xx[0] && yy[1] >= yy[0]) {
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let grid = document.getElementById('mapgrid');
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grid.style.top = `${yy[0]*10}%`;
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grid.style.left = `${100/31*xx[0]}%`;
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grid.style.height = `${(yy[1] - yy[0] + 1) * 10}%`;
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grid.style.width = `${100/31*(xx[1] - xx[0] + 1)}%`;
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} else {
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alert(`invalid coordinates x=${xx} y=${yy}`);
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}
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}
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function clearMap() {
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const mapnote = document.getElementById('mapnote');
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if (mapnote) {
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mapnote.textContent = '';
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}
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document.getElementById('mapgrid').removeAttribute('style');
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}
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function coordsToMap(coords_bl, coords_tr) {
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let bl_y = coords_bl[0];
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let tr_y = coords_tr[0];
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let bl_x = parseInt(coords_bl.slice(1));
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let tr_x = parseInt(coords_tr.slice(1));
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bl_y = 8 - (bl_y.charCodeAt(0) - 65);
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tr_y = 8 - (tr_y.charCodeAt(0) - 65);
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renderMap([bl_x, tr_x], [tr_y, bl_y]);
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} |