52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
goog.provide('ascii.State');
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/** @const */ var MAX_GRID_SIZE = 1000;
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/**
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* An individual cell within the diagram and it's current value.
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*
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* @constructor
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*/
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ascii.Cell = function() {
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/** @type {?string} */ this.value = null;
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};
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/**
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* Holds the entire state of the diagram as a 2D array of cells.
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*
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* @constructor
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*/
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ascii.State = function() {
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/** @type {Array.<Array.<ascii.Cell>>} */
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this.cells = new Array(MAX_GRID_SIZE);
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/** @type {boolean} */ this.dirty = true;
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for (var i = 0; i < this.cells.length; i++) {
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this.cells[i] = new Array(MAX_GRID_SIZE);
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for (var j = 0; j < this.cells[i].length; j++) {
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this.cells[i][j] = new ascii.Cell();
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}
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}
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};
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/**
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* Returns the cell at the given coordinates.
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*
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* @param {ascii.Vector} vector
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* @return {ascii.Cell}
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*/
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ascii.State.prototype.getCell = function(vector) {
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return this.cells[vector.x][vector.y];
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};
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/**
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* Sets the cells value at the given position.
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*
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* @param {ascii.Vector} position
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* @param {string} value
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*/
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ascii.State.prototype.setValue = function(position, value) {
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this.getCell(position).value = value;
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this.dirty = true;
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};
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