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@xeokit/xeokit-convert

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JavaScript utilities to create .XKT files

github.com/xeokit/xeokit-convert

xeokit/xeokit-convert

1,724 lines (1,701 loc) • 34.3 kB

JavaScript

const letters = { ' ': {width: 16, points: []}, '!': { width: 10, points: [ [5, 21], [5, 7], [-1, -1], [5, 2], [4, 1], [5, 0], [6, 1], [5, 2] ] }, '"': { width: 16, points: [ [4, 21], [4, 14], [-1, -1], [12, 21], [12, 14] ] }, '#': { width: 21, points: [ [11, 25], [4, -7], [-1, -1], [17, 25], [10, -7], [-1, -1], [4, 12], [18, 12], [-1, -1], [3, 6], [17, 6] ] }, '$': { width: 20, points: [ [8, 25], [8, -4], [-1, -1], [12, 25], [12, -4], [-1, -1], [17, 18], [15, 20], [12, 21], [8, 21], [5, 20], [3, 18], [3, 16], [4, 14], [5, 13], [7, 12], [13, 10], [15, 9], [16, 8], [17, 6], [17, 3], [15, 1], [12, 0], [8, 0], [5, 1], [3, 3] ] }, '%': { width: 24, points: [ [21, 21], [3, 0], [-1, -1], [8, 21], [10, 19], [10, 17], [9, 15], [7, 14], [5, 14], [3, 16], [3, 18], [4, 20], [6, 21], [8, 21], [10, 20], [13, 19], [16, 19], [19, 20], [21, 21], [-1, -1], [17, 7], [15, 6], [14, 4], [14, 2], [16, 0], [18, 0], [20, 1], [21, 3], [21, 5], [19, 7], [17, 7] ] }, '&': { width: 26, points: [ [23, 12], [23, 13], [22, 14], [21, 14], [20, 13], [19, 11], [17, 6], [15, 3], [13, 1], [11, 0], [7, 0], [5, 1], [4, 2], [3, 4], [3, 6], [4, 8], [5, 9], [12, 13], [13, 14], [14, 16], [14, 18], [13, 20], [11, 21], [9, 20], [8, 18], [8, 16], [9, 13], [11, 10], [16, 3], [18, 1], [20, 0], [22, 0], [23, 1], [23, 2] ] }, '\'': { width: 10, points: [ [5, 19], [4, 20], [5, 21], [6, 20], [6, 18], [5, 16], [4, 15] ] }, '(': { width: 14, points: [ [11, 25], [9, 23], [7, 20], [5, 16], [4, 11], [4, 7], [5, 2], [7, -2], [9, -5], [11, -7] ] }, ')': { width: 14, points: [ [3, 25], [5, 23], [7, 20], [9, 16], [10, 11], [10, 7], [9, 2], [7, -2], [5, -5], [3, -7] ] }, '*': { width: 16, points: [ [8, 21], [8, 9], [-1, -1], [3, 18], [13, 12], [-1, -1], [13, 18], [3, 12] ] }, '+': { width: 26, points: [ [13, 18], [13, 0], [-1, -1], [4, 9], [22, 9] ] }, ',': { width: 10, points: [ [6, 1], [5, 0], [4, 1], [5, 2], [6, 1], [6, -1], [5, -3], [4, -4] ] }, '-': { width: 26, points: [ [4, 9], [22, 9] ] }, '.': { width: 10, points: [ [5, 2], [4, 1], [5, 0], [6, 1], [5, 2] ] }, '/': { width: 22, points: [ [20, 25], [2, -7] ] }, '0': { width: 20, points: [ [9, 21], [6, 20], [4, 17], [3, 12], [3, 9], [4, 4], [6, 1], [9, 0], [11, 0], [14, 1], [16, 4], [17, 9], [17, 12], [16, 17], [14, 20], [11, 21], [9, 21] ] }, '1': { width: 20, points: [ [6, 17], [8, 18], [11, 21], [11, 0] ] }, '2': { width: 20, points: [ [4, 16], [4, 17], [5, 19], [6, 20], [8, 21], [12, 21], [14, 20], [15, 19], [16, 17], [16, 15], [15, 13], [13, 10], [3, 0], [17, 0] ] }, '3': { width: 20, points: [ [5, 21], [16, 21], [10, 13], [13, 13], [15, 12], [16, 11], [17, 8], [17, 6], [16, 3], [14, 1], [11, 0], [8, 0], [5, 1], [4, 2], [3, 4] ] }, '4': { width: 20, points: [ [13, 21], [3, 7], [18, 7], [-1, -1], [13, 21], [13, 0] ] }, '5': { width: 20, points: [ [15, 21], [5, 21], [4, 12], [5, 13], [8, 14], [11, 14], [14, 13], [16, 11], [17, 8], [17, 6], [16, 3], [14, 1], [11, 0], [8, 0], [5, 1], [4, 2], [3, 4] ] }, '6': { width: 20, points: [ [16, 18], [15, 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-1], [19, 16], [18, 8], [18, 6], [19, 5] ] }, 'A': { width: 18, points: [ [9, 21], [1, 0], [-1, -1], [9, 21], [17, 0], [-1, -1], [4, 7], [14, 7] ] }, 'B': { width: 21, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [13, 21], [16, 20], [17, 19], [18, 17], [18, 15], [17, 13], [16, 12], [13, 11], [-1, -1], [4, 11], [13, 11], [16, 10], [17, 9], [18, 7], [18, 4], [17, 2], [16, 1], [13, 0], [4, 0] ] }, 'C': { width: 21, points: [ [18, 16], [17, 18], [15, 20], [13, 21], [9, 21], [7, 20], [5, 18], [4, 16], [3, 13], [3, 8], [4, 5], [5, 3], [7, 1], [9, 0], [13, 0], [15, 1], [17, 3], [18, 5] ] }, 'D': { width: 21, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [11, 21], [14, 20], [16, 18], [17, 16], [18, 13], [18, 8], [17, 5], [16, 3], [14, 1], [11, 0], [4, 0] ] }, 'E': { width: 19, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [17, 21], [-1, -1], [4, 11], [12, 11], [-1, -1], [4, 0], [17, 0] ] }, 'F': { width: 18, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [17, 21], [-1, -1], [4, 11], [12, 11] ] }, 'G': { width: 21, points: [ [18, 16], [17, 18], [15, 20], [13, 21], [9, 21], [7, 20], [5, 18], [4, 16], [3, 13], [3, 8], [4, 5], [5, 3], [7, 1], [9, 0], [13, 0], [15, 1], [17, 3], [18, 5], [18, 8], [-1, -1], [13, 8], [18, 8] ] }, 'H': { width: 22, points: [ [4, 21], [4, 0], [-1, -1], [18, 21], [18, 0], [-1, -1], [4, 11], [18, 11] ] }, 'I': { width: 8, points: [ [4, 21], [4, 0] ] }, 'J': { width: 16, points: [ [12, 21], [12, 5], [11, 2], [10, 1], [8, 0], [6, 0], [4, 1], [3, 2], [2, 5], [2, 7] ] }, 'K': { width: 21, points: [ [4, 21], [4, 0], [-1, -1], [18, 21], [4, 7], [-1, -1], [9, 12], [18, 0] ] }, 'L': { width: 17, points: [ [4, 21], [4, 0], [-1, -1], [4, 0], [16, 0] ] }, 'M': { width: 24, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [12, 0], [-1, -1], [20, 21], [12, 0], [-1, -1], [20, 21], [20, 0] ] }, 'N': { width: 22, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [18, 0], [-1, -1], [18, 21], [18, 0] ] }, 'O': { width: 22, points: [ [9, 21], [7, 20], [5, 18], [4, 16], [3, 13], [3, 8], [4, 5], [5, 3], [7, 1], [9, 0], [13, 0], [15, 1], [17, 3], [18, 5], [19, 8], [19, 13], [18, 16], [17, 18], [15, 20], [13, 21], [9, 21] ] }, 'P': { width: 21, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [13, 21], [16, 20], [17, 19], [18, 17], [18, 14], [17, 12], [16, 11], [13, 10], [4, 10] ] }, 'Q': { width: 22, points: [ [9, 21], [7, 20], [5, 18], [4, 16], [3, 13], [3, 8], [4, 5], [5, 3], [7, 1], [9, 0], [13, 0], [15, 1], [17, 3], [18, 5], [19, 8], [19, 13], [18, 16], [17, 18], [15, 20], [13, 21], [9, 21], [-1, -1], [12, 4], [18, -2] ] }, 'R': { width: 21, points: [ [4, 21], [4, 0], [-1, -1], [4, 21], [13, 21], [16, 20], [17, 19], [18, 17], [18, 15], [17, 13], [16, 12], [13, 11], [4, 11], [-1, -1], [11, 11], [18, 0] ] }, 'S': { width: 20, points: [ [17, 18], [15, 20], [12, 21], [8, 21], [5, 20], [3, 18], [3, 16], [4, 14], [5, 13], [7, 12], [13, 10], [15, 9], [16, 8], [17, 6], [17, 3], [15, 1], [12, 0], [8, 0], [5, 1], [3, 3] ] }, 'T': { width: 16, points: [ [8, 21], [8, 0], [-1, -1], [1, 21], [15, 21] ] }, 'U': { width: 22, points: [ [4, 21], [4, 6], [5, 3], [7, 1], [10, 0], [12, 0], [15, 1], [17, 3], [18, 6], [18, 21] ] }, 'V': { width: 18, points: [ [1, 21], [9, 0], [-1, -1], [17, 21], [9, 0] ] }, 'W': { width: 24, points: [ [2, 21], [7, 0], [-1, -1], [12, 21], [7, 0], [-1, -1], [12, 21], [17, 0], [-1, -1], [22, 21], [17, 0] ] }, 'X': { width: 20, points: [ [3, 21], [17, 0], [-1, -1], [17, 21], [3, 0] ] }, 'Y': { width: 18, points: [ [1, 21], [9, 11], [9, 0], [-1, -1], [17, 21], [9, 11] ] }, 'Z': { width: 20, points: [ [17, 21], [3, 0], [-1, -1], [3, 21], [17, 21], [-1, -1], [3, 0], [17, 0] ] }, '[': { width: 14, points: [ [4, 25], [4, -7], [-1, -1], [5, 25], [5, -7], [-1, -1], [4, 25], [11, 25], [-1, -1], [4, -7], [11, -7] ] }, '\\': { width: 14, points: [ [0, 21], [14, -3] ] }, ']': { width: 14, points: [ [9, 25], [9, -7], [-1, -1], [10, 25], [10, -7], [-1, -1], [3, 25], [10, 25], [-1, -1], [3, -7], [10, -7] ] }, '^': { width: 16, points: [ [6, 15], [8, 18], [10, 15], [-1, -1], [3, 12], [8, 17], [13, 12], [-1, -1], [8, 17], [8, 0] ] }, '_': { width: 16, points: [ [0, -2], [16, -2] ] }, '`': { width: 10, points: [ [6, 21], [5, 20], [4, 18], [4, 16], [5, 15], [6, 16], [5, 17] ] }, 'a': { width: 19, points: [ [15, 14], [15, 0], [-1, -1], [15, 11], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'b': { width: 19, points: [ [4, 21], [4, 0], [-1, -1], [4, 11], [6, 13], [8, 14], [11, 14], [13, 13], [15, 11], [16, 8], [16, 6], [15, 3], [13, 1], [11, 0], [8, 0], [6, 1], [4, 3] ] }, 'c': { width: 18, points: [ [15, 11], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'd': { width: 19, points: [ [15, 21], [15, 0], [-1, -1], [15, 11], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'e': { width: 18, points: [ [3, 8], [15, 8], [15, 10], [14, 12], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'f': { width: 12, points: [ [10, 21], [8, 21], [6, 20], [5, 17], [5, 0], [-1, -1], [2, 14], [9, 14] ] }, 'g': { width: 19, points: [ [15, 14], [15, -2], [14, -5], [13, -6], [11, -7], [8, -7], [6, -6], [-1, -1], [15, 11], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'h': { width: 19, points: [ [4, 21], [4, 0], [-1, -1], [4, 10], [7, 13], [9, 14], [12, 14], [14, 13], [15, 10], [15, 0] ] }, 'i': { width: 8, points: [ [3, 21], [4, 20], [5, 21], [4, 22], [3, 21], [-1, -1], [4, 14], [4, 0] ] }, 'j': { width: 10, points: [ [5, 21], [6, 20], [7, 21], [6, 22], [5, 21], [-1, -1], [6, 14], [6, -3], [5, -6], [3, -7], [1, -7] ] }, 'k': { width: 17, points: [ [4, 21], [4, 0], [-1, -1], [14, 14], [4, 4], [-1, -1], [8, 8], [15, 0] ] }, 'l': { width: 8, points: [ [4, 21], [4, 0] ] }, 'm': { width: 30, points: [ [4, 14], [4, 0], [-1, -1], [4, 10], [7, 13], [9, 14], [12, 14], [14, 13], [15, 10], [15, 0], [-1, -1], [15, 10], [18, 13], [20, 14], [23, 14], [25, 13], [26, 10], [26, 0] ] }, 'n': { width: 19, points: [ [4, 14], [4, 0], [-1, -1], [4, 10], [7, 13], [9, 14], [12, 14], [14, 13], [15, 10], [15, 0] ] }, 'o': { width: 19, points: [ [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3], [16, 6], [16, 8], [15, 11], [13, 13], [11, 14], [8, 14] ] }, 'p': { width: 19, points: [ [4, 14], [4, -7], [-1, -1], [4, 11], [6, 13], [8, 14], [11, 14], [13, 13], [15, 11], [16, 8], [16, 6], [15, 3], [13, 1], [11, 0], [8, 0], [6, 1], [4, 3] ] }, 'q': { width: 19, points: [ [15, 14], [15, -7], [-1, -1], [15, 11], [13, 13], [11, 14], [8, 14], [6, 13], [4, 11], [3, 8], [3, 6], [4, 3], [6, 1], [8, 0], [11, 0], [13, 1], [15, 3] ] }, 'r': { width: 13, points: [ [4, 14], [4, 0], [-1, -1], [4, 8], [5, 11], [7, 13], [9, 14], [12, 14] ] }, 's': { width: 17, points: [ [14, 11], [13, 13], [10, 14], [7, 14], [4, 13], [3, 11], [4, 9], [6, 8], [11, 7], [13, 6], [14, 4], [14, 3], [13, 1], [10, 0], [7, 0], [4, 1], [3, 3] ] }, 't': { width: 12, points: [ [5, 21], [5, 4], [6, 1], [8, 0], [10, 0], [-1, -1], [2, 14], [9, 14] ] }, 'u': { width: 19, points: [ [4, 14], [4, 4], [5, 1], [7, 0], [10, 0], [12, 1], [15, 4], [-1, -1], [15, 14], [15, 0] ] }, 'v': { width: 16, points: [ [2, 14], [8, 0], [-1, -1], [14, 14], [8, 0] ] }, 'w': { width: 22, points: [ [3, 14], [7, 0], [-1, -1], [11, 14], [7, 0], [-1, -1], [11, 14], [15, 0], [-1, -1], [19, 14], [15, 0] ] }, 'x': { width: 17, points: [ [3, 14], [14, 0], [-1, -1], [14, 14], [3, 0] ] }, 'y': { width: 16, points: [ [2, 14], [8, 0], [-1, -1], [14, 14], [8, 0], [6, -4], [4, -6], [2, -7], [1, -7] ] }, 'z': { width: 17, points: [ [14, 14], [3, 0], [-1, -1], [3, 14], [14, 14], [-1, -1], [3, 0], [14, 0] ] }, '{': { width: 14, points: [ [9, 25], [7, 24], [6, 23], [5, 21], [5, 19], [6, 17], [7, 16], [8, 14], [8, 12], [6, 10], [-1, -1], [7, 24], [6, 22], [6, 20], [7, 18], [8, 17], [9, 15], [9, 13], [8, 11], [4, 9], [8, 7], [9, 5], [9, 3], [8, 1], [7, 0], [6, -2], [6, -4], [7, -6], [-1, -1], [6, 8], [8, 6], [8, 4], [7, 2], [6, 1], [5, -1], [5, -3], [6, -5], [7, -6], [9, -7] ] }, '|': { width: 8, points: [ [4, 25], [4, -7] ] }, '}': { width: 14, points: [ [5, 25], [7, 24], [8, 23], [9, 21], [9, 19], [8, 17], [7, 16], [6, 14], [6, 12], [8, 10], [-1, -1], [7, 24], [8, 22], [8, 20], [7, 18], [6, 17], [5, 15], [5, 13], [6, 11], [10, 9], [6, 7], [5, 5], [5, 3], [6, 1], [7, 0], [8, -2], [8, -4], [7, -6], [-1, -1], [8, 8], [6, 6], [6, 4], [7, 2], [8, 1], [9, -1], [9, -3], [8, -5], [7, -6], [5, -7] ] }, '~': { width: 24, points: [ [3, 6], [3, 8], [4, 11], [6, 12], [8, 12], [10, 11], [14, 8], [16, 7], [18, 7], [20, 8], [21, 10], [-1, -1], [3, 8], [4, 10], [6, 11], [8, 11], [10, 10], [14, 7], [16, 6], [18, 6], [20, 7], [21, 10], [21, 12] ] } }; /** * @desc Creates wireframe text-shaped geometry arrays. * * ## Usage * * In the example below we'll create an {@link XKTModel}, then create an {@link XKTMesh} with a text-shaped {@link XKTGeometry}. * * [[Run this example](http://xeokit.github.io/xeokit-sdk/examples/#geometry_builders_buildVectorTextGeometry)] * * ````javascript * const xktModel = new XKTModel(); * * const text = buildVectorTextGeometry({ * origin: [0,0,0], * text: "On the other side of the screen, it all looked so easy" * }); * * const xktGeometry = xktModel.createGeometry({ * geometryId: "textGeometry", * primitiveType: text.primitiveType, // Will be "lines" * positions: text.positions, * indices: text.indices * }); * * const xktMesh = xktModel.createMesh({ * meshId: "redTextMesh", * geometryId: "textGeometry", * position: [-4, -6, -4], * scale: [1, 3, 1], * rotation: [0, 0, 0], * color: [1, 0, 0], * opacity: 1 * }); * * const xktEntity = xktModel.createEntity({ * entityId: "redText", * meshIds: ["redTextMesh"] * }); * * xktModel.finalize(); * ```` * * @function buildVectorTextGeometry * @param {*} [cfg] Configs * @param {Number[]} [cfg.center] 3D point indicating the center position. * @param {Number[]} [cfg.origin] 3D point indicating the top left corner. * @param {Number} [cfg.size=1] Size of each character. * @param {String} [cfg.text=""] The text. * @returns {Object} Geometry arrays for {@link XKTModel#createGeometry} or {@link XKTModel#createMesh}. */ function buildVectorTextGeometry(cfg = {}) { var origin = cfg.origin || [0, 0, 0]; var xOrigin = origin[0]; var yOrigin = origin[1]; var zOrigin = origin[2]; var size = cfg.size || 1; var positions = []; var indices = []; var text = ("" + cfg.text).trim(); var lines = (text || "").split("\n"); var countVerts = 0; var y = 0; var x; var str; var len; var c; var mag = 1.0 / 25.0; var penUp; var p1; var p2; var needLine; var pointsLen; var a; for (var iLine = 0; iLine < lines.length; iLine++) { x = 0; str = lines[iLine]; len = str.length; for (var i = 0; i < len; i++) { c = letters[str.charAt(i)]; if (c === '\n') { //alert("newline"); } if (!c) { continue; } penUp = 1; p1 = -1; p2 = -1; needLine = false; pointsLen = c.points.length; for (var j = 0; j < pointsLen; j++) { a = c.points[j]; if (a[0] === -1 && a[1] === -1) { penUp = 1; needLine = false; continue; } positions.push((x + (a[0] * size) * mag) + xOrigin); positions.push((y + (a[1] * size) * mag) + yOrigin); positions.push(0 + zOrigin); if (p1 === -1) { p1 = countVerts; } else if (p2 === -1) { p2 = countVerts; } else { p1 = p2; p2 = countVerts; } countVerts++; if (penUp) { penUp = false; } else { indices.push(p1); indices.push(p2); } needLine = true; } x += c.width * mag * size; } y -= 35 * mag * size; } return { primitiveType: "lines", positions: positions, indices: indices }; } export {buildVectorTextGeometry}