mirror of
https://github.com/scratchfoundation/scratch-html5.git
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122 lines
4.3 KiB
JavaScript
122 lines
4.3 KiB
JavaScript
// Copyright (C) 2013 Massachusetts Institute of Technology
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License version 2,
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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// Scratch HTML5 Player
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// Scratch.js
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// Tim Mickel, July 2011
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// Here we define the actions taken on window load.
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// The three application-wide global variables are defined here.
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'use strict';
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var runtime, interp, io, iosAudioActive = false;
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$(function () {
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runtime = new Runtime();
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runtime.init();
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$(window).keydown(function(e) {
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runtime.keysDown[e.which] = true;
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runtime.startKeyHats(e.which);
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});
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$(window).keyup(function(e) {
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delete runtime.keysDown[e.which];
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});
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// Update the project ID field
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$('#project_id').val(project_id);
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// Go project button behavior
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$('#go_project').click(function() {
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window.location = "#" + parseInt($('#project_id').val());
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window.location.reload(true);
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});
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// Green flag behavior
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$('#trigger_green_flag, #greenSlide').click(function() {
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$('#greenSlide').css('display', 'none');
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runtime.greenFlag()
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});
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// Stop button behavior
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$('#trigger_stop').click(function() {
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runtime.stopAll();
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});
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// Canvas container mouse events
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$('#container').mousedown(function(e) {
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runtime.mouseDown = true;
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//e.preventDefault();
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});
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$('#container').mouseup(function(e) {
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runtime.mouseDown = false;
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//e.preventDefault();
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});
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$('#container').mousemove(function(e) {
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var absX = e.pageX - this.offsetLeft;
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var absY = e.pageY - this.offsetTop;
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runtime.mousePos = [absX-240, -absY+180];
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});
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// Touch events - EXPERIMENTAL
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$(window).bind('touchstart', function(e) {
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// On iOS, we need to activate the Web Audio API
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// with an empty sound play on the first touch event.
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if (!iosAudioActive) {
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var ibuffer = runtime.audioContext.createBuffer(1, 1, 22050);
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var isource = runtime.audioContext.createBufferSource();
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isource.buffer = ibuffer;
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isource.connect(runtime.audioContext.destination);
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isource.noteOn(0);
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iosAudioActive = true;
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}
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});
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$('#container').bind('touchstart', function(e) {
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runtime.mouseDown = true;
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});
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$('#container').bind('touchend', function(e) {
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runtime.mouseDown = true;
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});
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$('#container').bind('touchmove', function(e) {
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var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
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var absX = touch.pageX - this.offsetLeft;
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var absY = touch.pageY - this.offsetTop;
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runtime.mousePos = [absX-240, -absY+180];
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});
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// Border touch events - EXPERIMENTAL
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$('#left').bind('touchstart touchmove', function(e) { runtime.keysDown[37] = true; runtime.startKeyHats(37); });
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$('#left').bind('touchend', function(e) { delete runtime.keysDown[37]; });
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$('#up').bind('touchstart touchmove', function(e) { runtime.keysDown[38] = true; runtime.startKeyHats(38); });
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$('#up').bind('touchend', function(e) { delete runtime.keysDown[38]; });
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$('#right').bind('touchstart touchmove', function(e) { runtime.keysDown[39] = true; runtime.startKeyHats(39); });
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$('#right').bind('touchend', function(e) { delete runtime.keysDown[39]; });
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$('#down').bind('touchstart touchmove', function(e) { runtime.keysDown[40] = true; runtime.startKeyHats(40); });
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$('#down').bind('touchend', function(e) { delete runtime.keysDown[40]; });
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// Load the interpreter and primitives
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interp = new Interpreter();
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interp.initPrims();
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// Load the requested project and go!
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io = new IO();
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io.loadProject(project_id);
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});
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