// Copyright (C) 2013 Massachusetts Institute of Technology // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License version 2, // as published by the Free Software Foundation. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // Scratch HTML5 Player // Scratch.js // Tim Mickel, July 2011 // Here we define the actions taken on window load. // The three application-wide global variables are defined here. 'use strict'; var runtime, interp, io, iosAudioActive = false; $(function() { runtime = new Runtime(); runtime.init(); $(window).keydown(function(e) { runtime.keysDown[e.which] = true; runtime.startKeyHats(e.which); }); $(window).keyup(function(e) { delete runtime.keysDown[e.which]; }); // Update the project ID field $('#project_id').val(project_id); // Go project button behavior $('#go_project').click(function() { window.location = "#" + parseInt($('#project_id').val()); window.location.reload(true); }); // Green flag behavior $('#trigger_green_flag, #greenSlide').click(function() { $('#greenSlide').css('display', 'none'); runtime.greenFlag() }); // Stop button behavior $('#trigger_stop').click(function() { runtime.stopAll(); }); // Canvas container mouse events $('#container').mousedown(function(e) { runtime.mouseDown = true; //e.preventDefault(); }); $('#container').mouseup(function(e) { runtime.mouseDown = false; //e.preventDefault(); }); $('#container').mousemove(function(e) { var absX = e.pageX - this.offsetLeft; var absY = e.pageY - this.offsetTop; runtime.mousePos = [absX-240, -absY+180]; }); // Touch events - EXPERIMENTAL $(window).bind('touchstart', function(e) { // On iOS, we need to activate the Web Audio API // with an empty sound play on the first touch event. if (!iosAudioActive) { var ibuffer = runtime.audioContext.createBuffer(1, 1, 22050); var isource = runtime.audioContext.createBufferSource(); isource.buffer = ibuffer; isource.connect(runtime.audioContext.destination); isource.noteOn(0); iosAudioActive = true; } }); $('#container').bind('touchstart', function(e) { runtime.mouseDown = true; }); $('#container').bind('touchend', function(e) { runtime.mouseDown = true; }); $('#container').bind('touchmove', function(e) { var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0]; var absX = touch.pageX - this.offsetLeft; var absY = touch.pageY - this.offsetTop; runtime.mousePos = [absX-240, -absY+180]; }); // Border touch events - EXPERIMENTAL $('#left').bind('touchstart touchmove', function(e) { runtime.keysDown[37] = true; runtime.startKeyHats(37); }); $('#left').bind('touchend', function(e) { delete runtime.keysDown[37]; }); $('#up').bind('touchstart touchmove', function(e) { runtime.keysDown[38] = true; runtime.startKeyHats(38); }); $('#up').bind('touchend', function(e) { delete runtime.keysDown[38]; }); $('#right').bind('touchstart touchmove', function(e) { runtime.keysDown[39] = true; runtime.startKeyHats(39); }); $('#right').bind('touchend', function(e) { delete runtime.keysDown[39]; }); $('#down').bind('touchstart touchmove', function(e) { runtime.keysDown[40] = true; runtime.startKeyHats(40); }); $('#down').bind('touchend', function(e) { delete runtime.keysDown[40]; }); // Load the interpreter and primitives interp = new Interpreter(); interp.initPrims(); // Load the requested project and go! io = new IO(); io.loadProject(project_id); });