generate: function(params) {
if(isNone(params)) {
params = {};
}
this.size = withDefault(params.size, this.size);
let x, y, z;
for (x = -this.size; x < this.size + 1; x++) {
for (y = -this.size; y < this.size + 1; y++) {
z = -x-y;
if (Math.abs(x) <= this.size && Math.abs(y) <= this.size && Math.abs(z) <= this.size) {
// Create a hexCell for the position in the grid
let c = HexCell({
q: x,
r: y,
s: z,
hashDelimeter: this.hashDelimeter,
size: this.cellSize
});
let t = Tile({
cell: c,
material: params.material
});
this.add(c);
}
}
}
},
export function HexGrid(params) {
if(isNone(params)) {
params = {};
}
let hexGrid = {
cellSize: withDefault(params.cellSize, 10),
cells: {},
hashDelimeter: withDefault(params.hashDelimeter, '-')
};
// pre-computed permutations
hexGrid._directions = [
HexCell({
q: +1,
r: -1,
s: 0,
size: hexGrid.cellSize
}),
HexCell({
q: +1,
r: 0,
s: -1,
size: hexGrid.cellSize
}),
HexCell({
q: 0,
r: +1,
s: -1,
size: hexGrid.cellSize
}),
HexCell({
q: -1,
r: +1,
s: 0,
size: hexGrid.cellSize
}),
HexCell({
q: -1,
r: 0,
s: +1,
size: hexGrid.cellSize
}),
HexCell({
q: 0,
r: -1,
s: +1,
size: hexGrid.cellSize
})
];
// this._diagonals = [HexCell(+2, -1, -1), HexCell(+1, +1, -2), HexCell(-1, +2, -1),
// HexCell(-2, +1, +1), HexCell(-1, -1, +2), HexCell(+1, -2, +1)];
// cached objects
hexGrid._list = [];
hexGrid._vec3 = new THREE.Vector3();
hexGrid._cell = HexCell({
q: 0,
r: 0,
s: 0,
hashDelimeter: hexGrid.hashDelimeter,
size: hexGrid.cellSize
});
hexGrid._conversionVec = new THREE.Vector3();
hexGrid._geoCache = [];
hexGrid._matCache = [];
return extend(hexGrid, hexGridUtils);
};