| 1 | import {ccw} from '../counter-clockwise';
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| 2 | import {centroid} from '../centroid';
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| 3 | import {point as pt} from './point';
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| 4 |
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| 5 | export function gridPlane(grid, options, point, angles){
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| 6 |
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| 7 | var points = pt(grid, options, point, angles);
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| 8 | var cnt = 0, planes = [];
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| 9 | var numPts = options.row;
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| 10 | var numRow = points.length/numPts;
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| 11 |
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| 12 | for (var i = numRow - 1; i > 0; i--) {
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| 13 | for (var j = numPts - 1; j > 0; j--) {
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| 14 |
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| 15 | var p1 = j + i * numPts, p4 = p1 - 1, p2 = p4 - numPts + 1, p3 = p2 - 1;
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| 16 | var pl = [points[p1], points[p2], points[p3], points[p4]];
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| 17 |
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| 18 | pl.plane = 'plane_' + cnt++;
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| 19 | pl.ccw = ccw(pl);
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| 20 | pl.centroid = centroid(pl);
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| 21 | planes.push(pl);
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| 22 | }
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| 23 | }
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| 24 |
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| 25 | return planes;
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| 26 | }
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