383 lines
14 KiB
JavaScript
383 lines
14 KiB
JavaScript
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.THREE_Text = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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'use strict';
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var fontHeightCache = {};
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var CanvasText = (function () {
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function CanvasText() {
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_classCallCheck(this, CanvasText);
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this.textWidth = null;
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this.textHeight = null;
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this.canvas = document.createElement('canvas');
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this.ctx = this.canvas.getContext('2d');
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}
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_createClass(CanvasText, [{
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key: 'drawText',
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value: function drawText(text, ctxOptions) {
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
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this.ctx.font = ctxOptions.font;
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this.textWidth = Math.ceil(this.ctx.measureText(text).width);
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this.textHeight = getFontHeight(this.ctx.font);
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this.canvas.width = THREE.Math.nextPowerOfTwo(this.textWidth);
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this.canvas.height = THREE.Math.nextPowerOfTwo(this.textHeight);
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this.ctx.font = ctxOptions.font;
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this.ctx.fillStyle = ctxOptions.fillStyle;
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this.ctx.textAlign = 'left';
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this.ctx.textBaseline = 'top';
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this.ctx.fillText(text, 0, 0);
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return this.canvas;
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}
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}, {
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key: 'width',
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get: function get() {
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return this.canvas.width;
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}
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}, {
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key: 'height',
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get: function get() {
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return this.canvas.height;
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}
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}]);
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return CanvasText;
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})();
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function getFontHeight(fontStyle) {
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var result = fontHeightCache[fontStyle];
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if (!result) {
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var body = document.getElementsByTagName('body')[0];
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var dummy = document.createElement('div');
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var dummyText = document.createTextNode('MÉq');
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dummy.appendChild(dummyText);
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dummy.setAttribute('style', 'font:' + fontStyle + ';position:absolute;top:0;left:0');
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body.appendChild(dummy);
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result = dummy.offsetHeight;
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fontHeightCache[fontStyle] = result;
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body.removeChild(dummy);
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}
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return result;
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}
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module.exports = CanvasText;
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},{}],2:[function(require,module,exports){
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'use strict';
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _typeof(obj) { return obj && typeof Symbol !== "undefined" && obj.constructor === Symbol ? "symbol" : typeof obj; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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var textAlign = require('./textAlign'),
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CanvasText = require('./CanvasText');
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var SpriteText2D = (function (_THREE$Object3D) {
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_inherits(SpriteText2D, _THREE$Object3D);
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function SpriteText2D() {
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var text = arguments.length <= 0 || arguments[0] === undefined ? '' : arguments[0];
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var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
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_classCallCheck(this, SpriteText2D);
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var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(SpriteText2D).call(this));
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_this._font = options.font || '30px Arial';
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_this._fillStyle = options.fillStyle || '#FFFFFF';
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_this.canvas = new CanvasText();
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_this.align = options.align || textAlign.center;
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// this._textAlign = options.align || "center"
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// this.anchor = Label.fontAlignAnchor[ this._textAlign ]
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_this.antialias = _typeof(options.antialias === "undefined") ? true : options.antialias;
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_this.text = text;
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return _this;
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}
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_createClass(SpriteText2D, [{
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key: 'updateText',
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value: function updateText() {
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this.canvas.drawText(this._text, {
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font: this._font,
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fillStyle: this._fillStyle
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});
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// cleanup previous texture
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this.cleanUp();
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this.texture = new THREE.Texture(this.canvas.canvas);
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this.texture.needsUpdate = true;
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this.applyAntiAlias();
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if (!this.material) {
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this.material = new THREE.SpriteMaterial({ map: this.texture });
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} else {
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this.material.map = this.texture;
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}
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if (!this.sprite) {
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this.sprite = new THREE.Sprite(this.material);
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this.geometry = this.sprite.geometry;
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this.add(this.sprite);
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}
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this.sprite.scale.set(this.canvas.width, this.canvas.height, 1);
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this.sprite.position.x = this.canvas.width / 2 - this.canvas.textWidth / 2 + this.canvas.textWidth / 2 * this.align.x;
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this.sprite.position.y = -this.canvas.height / 2 + this.canvas.textHeight / 2 * this.align.y;
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}
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}, {
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key: 'cleanUp',
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value: function cleanUp() {
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if (this.texture) {
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this.texture.dispose();
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}
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}
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}, {
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key: 'applyAntiAlias',
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value: function applyAntiAlias() {
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if (this.antialias === false) {
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this.texture.magFilter = THREE.NearestFilter;
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this.texture.minFilter = THREE.LinearMipMapLinearFilter;
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}
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}
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}, {
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key: 'width',
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get: function get() {
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return this.canvas.textWidth;
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}
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}, {
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key: 'height',
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get: function get() {
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return this.canvas.textHeight;
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}
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}, {
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key: 'text',
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get: function get() {
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return this._text;
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},
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set: function set(value) {
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if (this._text !== value) {
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this._text = value;
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this.updateText();
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}
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}
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}, {
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key: 'font',
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get: function get() {
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return this._font;
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},
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set: function set(value) {
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if (this._font !== value) {
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this._font = value;
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this.updateText();
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}
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}
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}, {
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key: 'fillStyle',
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get: function get() {
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return this._fillStyle;
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},
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set: function set(value) {
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if (this._fillStyle !== value) {
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this._fillStyle = value;
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this.updateText();
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}
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}
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}]);
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return SpriteText2D;
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})(THREE.Object3D);
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module.exports = SpriteText2D;
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},{"./CanvasText":1,"./textAlign":5}],3:[function(require,module,exports){
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'use strict';
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var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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function _typeof(obj) { return obj && typeof Symbol !== "undefined" && obj.constructor === Symbol ? "symbol" : typeof obj; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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var textAlign = require('./textAlign'),
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CanvasText = require('./CanvasText');
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var Text2D = (function (_THREE$Object3D) {
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_inherits(Text2D, _THREE$Object3D);
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function Text2D() {
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var text = arguments.length <= 0 || arguments[0] === undefined ? '' : arguments[0];
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var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
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_classCallCheck(this, Text2D);
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var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(Text2D).call(this));
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_this._font = options.font || '30px Arial';
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_this._fillStyle = options.fillStyle || '#FFFFFF';
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_this.canvas = new CanvasText();
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_this.align = options.align || textAlign.center;
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_this.side = options.side || THREE.DoubleSide;
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// this._textAlign = options.align || "center"
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// this.anchor = Label.fontAlignAnchor[ this._textAlign ]
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_this.antialias = _typeof(options.antialias === "undefined") ? true : options.antialias;
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_this.text = text;
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return _this;
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}
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_createClass(Text2D, [{
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key: 'updateText',
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value: function updateText() {
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this.cleanUp(); // cleanup previous texture
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this.canvas.drawText(this._text, {
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font: this._font,
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fillStyle: this._fillStyle
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});
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this.texture = new THREE.Texture(this.canvas.canvas);
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this.texture.needsUpdate = true;
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this.applyAntiAlias();
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if (!this.material) {
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this.material = new THREE.MeshBasicMaterial({ map: this.texture, side: this.side });
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this.material.transparent = true;
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} else {
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this.material.map = this.texture;
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}
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if (!this.mesh) {
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this.mesh = new THREE.Mesh(new THREE.PlaneGeometry(this.canvas.width, this.canvas.height), this.material);
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this.geometry = this.mesh.geometry;
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this.add(this.mesh);
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}
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this.mesh.position.x = this.canvas.width / 2 - this.canvas.textWidth / 2 + this.canvas.textWidth / 2 * this.align.x;
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this.mesh.position.y = -this.canvas.height / 2 + this.canvas.textHeight / 2 * this.align.y;
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// manually update geometry vertices
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this.geometry.vertices[0].x = this.geometry.vertices[2].x = -this.canvas.width / 2;
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this.geometry.vertices[1].x = this.geometry.vertices[3].x = this.canvas.width / 2;
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this.geometry.vertices[0].y = this.geometry.vertices[1].y = this.canvas.height / 2;
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this.geometry.vertices[2].y = this.geometry.vertices[3].y = -this.canvas.height / 2;
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this.geometry.verticesNeedUpdate = true;
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}
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}, {
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key: 'cleanUp',
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value: function cleanUp() {
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if (this.texture) {
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this.texture.dispose();
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}
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}
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}, {
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key: 'applyAntiAlias',
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value: function applyAntiAlias() {
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if (this.antialias === false) {
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this.texture.magFilter = THREE.NearestFilter;
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this.texture.minFilter = THREE.LinearMipMapLinearFilter;
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}
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}
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}, {
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key: 'width',
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get: function get() {
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return this.canvas.textWidth;
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}
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}, {
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key: 'height',
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get: function get() {
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return this.canvas.textHeight;
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}
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}, {
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key: 'text',
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get: function get() {
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return this._text;
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},
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set: function set(value) {
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if (this._text !== value) {
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this._text = value;
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this.updateText();
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}
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}
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}, {
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key: 'font',
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get: function get() {
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return this._font;
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},
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set: function set(value) {
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if (this._font !== value) {
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this._font = value;
|
||
|
|
this.updateText();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, {
|
||
|
|
key: 'fillStyle',
|
||
|
|
get: function get() {
|
||
|
|
return this._fillStyle;
|
||
|
|
},
|
||
|
|
set: function set(value) {
|
||
|
|
if (this._fillStyle !== value) {
|
||
|
|
this._fillStyle = value;
|
||
|
|
this.updateText();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}]);
|
||
|
|
|
||
|
|
return Text2D;
|
||
|
|
})(THREE.Object3D);
|
||
|
|
|
||
|
|
module.exports = Text2D;
|
||
|
|
|
||
|
|
},{"./CanvasText":1,"./textAlign":5}],4:[function(require,module,exports){
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
module.exports.SpriteText2D = require('./SpriteText2D');
|
||
|
|
module.exports.Text2D = require('./Text2D');
|
||
|
|
module.exports.textAlign = require('./textAlign');
|
||
|
|
|
||
|
|
},{"./SpriteText2D":2,"./Text2D":3,"./textAlign":5}],5:[function(require,module,exports){
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
center: new THREE.Vector2(0, 0),
|
||
|
|
left: new THREE.Vector2(1, 0),
|
||
|
|
topLeft: new THREE.Vector2(1, -1),
|
||
|
|
topRight: new THREE.Vector2(-1, -1),
|
||
|
|
right: new THREE.Vector2(-1, 0),
|
||
|
|
bottomLeft: new THREE.Vector2(1, 1),
|
||
|
|
bottomRight: new THREE.Vector2(-1, 1)
|
||
|
|
};
|
||
|
|
|
||
|
|
},{}]},{},[4])(4)
|
||
|
|
});
|