Source: utils/datastructures/Girih.js
"use strict";
/**
* @classdesc The Girih datastructure for generating patterns.
*
* @requires Vertex
* @requires GirihTile
* @requires GirihBowtie
* @requires GirihDecagon
* @requires GirihHexagon
* @requires GirihPenroseRhombus
* @requires GirihPentagon
* @requires GirihRhombus
*
* @author Ikaros Kappler
* @date 2020-11-24
* @modified 2020-11-25 Ported to TypeScript from vanilla JS.
* @version 1.0.1
* @file Girih
**/
Object.defineProperty(exports, "__esModule", { value: true });
var Vertex_1 = require("../../Vertex");
var GirihBowtie_1 = require("./GirihBowtie");
var GirihDecagon_1 = require("./GirihDecagon");
var GirihHexagon_1 = require("./GirihHexagon");
var GirihPenroseRhombus_1 = require("./GirihPenroseRhombus");
var GirihPentagon_1 = require("./GirihPentagon");
var GirihRhombus_1 = require("./GirihRhombus");
var Girih = /** @class */ (function () {
/**
* Create a new empty Girih pattern.
*
* @constructor
* @memberof Girih
* @param {number} edgeLength
*/
function Girih(edgeLength) {
this.edgeLength = edgeLength;
// Initialize templates, one for each Girih tile type.
// The template array will be filled on initialization (see below).
this.TILE_TEMPLATES = [];
// The set of all Girih tiles in scene
this.tiles = [];
this.initTemplates(edgeLength);
}
;
/**
* Initialize the TILE_TEMPLATES array.
*
* @name initTemplates
* @private
* @memberof Girih
* @instance
* @param {number} edgeLength - The edge length to use for the template tiles.
* @return {void}
*/
Girih.prototype.initTemplates = function (edgeLength) {
// Positions actually don't matter here.
// Tiles will be moved to correct position conerning adjacency.
var decagon = new GirihDecagon_1.GirihDecagon(new Vertex_1.Vertex(0, 0), edgeLength);
var pentagon = new GirihPentagon_1.GirihPentagon(new Vertex_1.Vertex(0, 0), edgeLength);
var hexagon = new GirihHexagon_1.GirihHexagon(new Vertex_1.Vertex(0, 0), edgeLength);
var bowtie = new GirihBowtie_1.GirihBowtie(new Vertex_1.Vertex(0, 0), edgeLength);
var rhombus = new GirihRhombus_1.GirihRhombus(new Vertex_1.Vertex(0, 0), edgeLength);
var penrose = new GirihPenroseRhombus_1.GirihPenroseRhombus(new Vertex_1.Vertex(0, 0), edgeLength, true); // Add center polygon
// Add tiles to array and put them in the correct adjacency position.
this.TILE_TEMPLATES.push(decagon);
this.TILE_TEMPLATES.push(decagon.transformTilePositionToAdjacency(2, pentagon));
this.TILE_TEMPLATES.push(pentagon.transformTilePositionToAdjacency(1, penrose));
this.TILE_TEMPLATES.push(penrose.transformTilePositionToAdjacency(3, hexagon));
this.TILE_TEMPLATES.push(decagon.transformTilePositionToAdjacency(5, bowtie));
this.TILE_TEMPLATES.push(pentagon.transformTilePositionToAdjacency(4, rhombus));
};
;
/**
* Add a new tile to this Girih pattern.
*
* @name addTile
* @memberof Girih
* @instance
* @param {GirihTile} tile - The tile to add (instance must not already be part of this pattern).
* @return {void}
*/
Girih.prototype.addTile = function (tile) {
this.tiles.push(tile);
};
;
/**
* Remove the tile at given array position. The index must be inside valid bounds.
*
* @name removeTile
* @memberof Girih
* @instance
* @param {number} index - The index in the `tiles` Array.
* @return {void}
*/
Girih.prototype.removeTileAt = function (index) {
this.tiles.splice(index, 1);
};
;
/**
* Find that tile (index) which contains the given position. First match will be returned.
*
* @name locateContainingTile
* @memberof Girih
* @instance
* @param {Vertex} position
* @return {number} The index of the containing tile or -1 if none was found.
**/
Girih.prototype.locateConatiningTile = function (position) {
for (var i = 0; i < this.tiles.length; i++) {
if (this.tiles[i].containsVert(position))
return i;
}
return -1;
};
;
/**
* Turn the tile the mouse is hovering over.
* The turnCount is ab abstract number: -1 for one turn left, +1 for one turn right.
* The turning angle is defined by the tile with the lowest turn symmetry: the Decagon,
* so angle is 36°.
*
* @name turnTile
* @memberof Girih
* @instance
* @param {number} tileIndex - The index of the tile to rotate.
* @param {number} turnCount - A discrete number indicating the number of turn steps.
* @return {void}
*/
Girih.prototype.turnTile = function (tileIndex, turnCount) {
if (tileIndex == -1) // TODO: still required?
return;
var tile = this.tiles[tileIndex];
tile.rotate(turnCount * Math.PI * 2 / tile.symmetry);
};
;
/**
* Move that tile the mouse is hovering over.
* The move amounts are abstract numbers, 1 indicating one unit along each axis.
*
* @name moveTile
* @memberof Girih
* @instance
* @param {number} tileIndex - The index of the tile to rotate.
* @param {number} moveXAmount - The amount to move along the x axis (in pixels).
* @param {number} moveYAmount - The amount to move along the y axis (in pixels).
* @return {void}
*/
Girih.prototype.moveTile = function (tileIndex, moveXAmount, moveYAmount) {
if (tileIndex == -1) // TODO: still required?
return;
var tile = this.tiles[tileIndex];
tile.move({ x: moveXAmount * 10, y: moveYAmount * 10 });
};
;
/**
* Find all possible adjadent tiles and their locations (type, rotation and offset). The
* function will return an array of all possible tiles matching at the given tile and edge.
*
* @name findPossibleAdjacentTiles
* @memberof Girih
* @instance
* @param {number} tileIndex - The index of the tile to rotate.
* @param {number} edgeIndex - The index of the tile's edge.
* @return {Array<GirihTile>} - An array of possible adjecent tiles (already positioned and rotated).
*/
Girih.prototype.findPossibleAdjacentTiles = function (tileIndex, edgeIndex) {
var adjTiles = [];
if (tileIndex == -1 || edgeIndex == -1) // TODO: still required?
return [];
var template = null;
for (var i in this.TILE_TEMPLATES) {
template = this.TILE_TEMPLATES[i].clone();
// Find all rotations and positions for that tile to match
var foundTiles = this.tiles[tileIndex].transformTileToAdjacencies(edgeIndex, template);
if (foundTiles.length != 0) {
adjTiles = adjTiles.concat(foundTiles);
}
}
// Set pointer to save range.
// previewTilePointer = Math.min( adjTiles.length-1, previewTiilePointer );
return adjTiles;
};
;
return Girih;
}());
exports.Girih = Girih;
; // END class Girih
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