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var LibraryGLUT = {
$GLUT: {
initTime: null,
idleFunc: null,
displayFunc: null,
keyboardFunc: null,
keyboardUpFunc: null,
specialFunc: null,
specialUpFunc: null,
reshapeFunc: null,
motionFunc: null,
passiveMotionFunc: null,
mouseFunc: null,
buttons: 0,
modifiers: 0,
initWindowWidth: 256,
initWindowHeight: 256,
initDisplayMode: 0x0000 /*GLUT_RGBA*/ | 0x0002 /*GLUT_DOUBLE*/ | 0x0010 /*GLUT_DEPTH*/,
// Set when going fullscreen
windowX: 0,
windowY: 0,
windowWidth: 0,
windowHeight: 0,
saveModifiers: function(event) {
GLUT.modifiers = 0;
if (event['shiftKey'])
GLUT.modifiers += 1; /* GLUT_ACTIVE_SHIFT */
if (event['ctrlKey'])
GLUT.modifiers += 2; /* GLUT_ACTIVE_CTRL */
if (event['altKey'])
GLUT.modifiers += 4; /* GLUT_ACTIVE_ALT */
},
onMousemove: function(event) {
/* Send motion event only if the motion changed, prevents
* spamming our app with uncessary callback call. It does happen in
* Chrome on Windows.
*/
var lastX = Browser.mouseX;
var lastY = Browser.mouseY;
Browser.calculateMouseEvent(event);
var newX = Browser.mouseX;
var newY = Browser.mouseY;
if (newX == lastX && newY == lastY) return;
if (GLUT.buttons == 0 && event.target == Module["canvas"] && GLUT.passiveMotionFunc) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('vii', GLUT.passiveMotionFunc, [lastX, lastY]);
} else if (GLUT.buttons != 0 && GLUT.motionFunc) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('vii', GLUT.motionFunc, [lastX, lastY]);
}
},
getSpecialKey: function(keycode) {
var key = null;
switch (keycode) {
case 8: key = 120 /* backspace */; break;
case 46: key = 111 /* delete */; break;
case 0x70 /*DOM_VK_F1*/: key = 1 /* GLUT_KEY_F1 */; break;
case 0x71 /*DOM_VK_F2*/: key = 2 /* GLUT_KEY_F2 */; break;
case 0x72 /*DOM_VK_F3*/: key = 3 /* GLUT_KEY_F3 */; break;
case 0x73 /*DOM_VK_F4*/: key = 4 /* GLUT_KEY_F4 */; break;
case 0x74 /*DOM_VK_F5*/: key = 5 /* GLUT_KEY_F5 */; break;
case 0x75 /*DOM_VK_F6*/: key = 6 /* GLUT_KEY_F6 */; break;
case 0x76 /*DOM_VK_F7*/: key = 7 /* GLUT_KEY_F7 */; break;
case 0x77 /*DOM_VK_F8*/: key = 8 /* GLUT_KEY_F8 */; break;
case 0x78 /*DOM_VK_F9*/: key = 9 /* GLUT_KEY_F9 */; break;
case 0x79 /*DOM_VK_F10*/: key = 10 /* GLUT_KEY_F10 */; break;
case 0x7a /*DOM_VK_F11*/: key = 11 /* GLUT_KEY_F11 */; break;
case 0x7b /*DOM_VK_F12*/: key = 12 /* GLUT_KEY_F12 */; break;
case 0x25 /*DOM_VK_LEFT*/: key = 100 /* GLUT_KEY_LEFT */; break;
case 0x26 /*DOM_VK_UP*/: key = 101 /* GLUT_KEY_UP */; break;
case 0x27 /*DOM_VK_RIGHT*/: key = 102 /* GLUT_KEY_RIGHT */; break;
case 0x28 /*DOM_VK_DOWN*/: key = 103 /* GLUT_KEY_DOWN */; break;
case 0x21 /*DOM_VK_PAGE_UP*/: key = 104 /* GLUT_KEY_PAGE_UP */; break;
case 0x22 /*DOM_VK_PAGE_DOWN*/: key = 105 /* GLUT_KEY_PAGE_DOWN */; break;
case 0x24 /*DOM_VK_HOME*/: key = 106 /* GLUT_KEY_HOME */; break;
case 0x23 /*DOM_VK_END*/: key = 107 /* GLUT_KEY_END */; break;
case 0x2d /*DOM_VK_INSERT*/: key = 108 /* GLUT_KEY_INSERT */; break;
case 16 /*DOM_VK_SHIFT*/:
case 0x05 /*DOM_VK_LEFT_SHIFT*/:
key = 112 /* GLUT_KEY_SHIFT_L */;
break;
case 0x06 /*DOM_VK_RIGHT_SHIFT*/:
key = 113 /* GLUT_KEY_SHIFT_R */;
break;
case 17 /*DOM_VK_CONTROL*/:
case 0x03 /*DOM_VK_LEFT_CONTROL*/:
key = 114 /* GLUT_KEY_CONTROL_L */;
break;
case 0x04 /*DOM_VK_RIGHT_CONTROL*/:
key = 115 /* GLUT_KEY_CONTROL_R */;
break;
case 18 /*DOM_VK_ALT*/:
case 0x02 /*DOM_VK_LEFT_ALT*/:
key = 116 /* GLUT_KEY_ALT_L */;
break;
case 0x01 /*DOM_VK_RIGHT_ALT*/:
key = 117 /* GLUT_KEY_ALT_R */;
break;
};
return key;
},
getASCIIKey: function(event) {
if (event['ctrlKey'] || event['altKey'] || event['metaKey']) return null;
var keycode = event['keyCode'];
/* The exact list is soooo hard to find in a canonical place! */
if (48 <= keycode && keycode <= 57)
return keycode; // numeric TODO handle shift?
if (65 <= keycode && keycode <= 90)
return event['shiftKey'] ? keycode : keycode + 32;
if (106 <= keycode && keycode <= 111)
return keycode - 106 + 42; // *,+-./ TODO handle shift?
switch (keycode) {
case 27: // escape
case 32: // space
case 61: // equal
return keycode;
}
var s = event['shiftKey'];
switch (keycode) {
case 186: return s ? 58 : 59; // colon / semi-colon
case 187: return s ? 43 : 61; // add / equal (these two may be wrong)
case 188: return s ? 60 : 44; // less-than / comma
case 189: return s ? 95 : 45; // dash
case 190: return s ? 62 : 46; // greater-than / period
case 191: return s ? 63 : 47; // forward slash
case 219: return s ? 123 : 91; // open bracket
case 220: return s ? 124 : 47; // back slash
case 221: return s ? 125 : 93; // close braket
case 222: return s ? 34 : 39; // single quote
}
return null;
},
onKeydown: function(event) {
if (GLUT.specialFunc || GLUT.keyboardFunc) {
var key = GLUT.getSpecialKey(event['keyCode']);
if (key !== null) {
if( GLUT.specialFunc ) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('viii', GLUT.specialFunc, [key, Browser.mouseX, Browser.mouseY]);
}
}
else
{
key = GLUT.getASCIIKey(event);
if( key !== null && GLUT.keyboardFunc ) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('viii', GLUT.keyboardFunc, [key, Browser.mouseX, Browser.mouseY]);
}
}
}
},
onKeyup: function(event) {
if (GLUT.specialUpFunc || GLUT.keyboardUpFunc) {
var key = GLUT.getSpecialKey(event['keyCode']);
if (key !== null) {
if(GLUT.specialUpFunc) {
event.preventDefault ();
GLUT.saveModifiers(event);
Runtime.dynCall('viii', GLUT.specialUpFunc, [key, Browser.mouseX, Browser.mouseY]);
}
}
else
{
key = GLUT.getASCIIKey(event);
if( key !== null && GLUT.keyboardUpFunc ) {
event.preventDefault ();
GLUT.saveModifiers(event);
Runtime.dynCall('viii', GLUT.keyboardUpFunc, [key, Browser.mouseX, Browser.mouseY]);
}
}
}
},
onMouseButtonDown: function(event) {
Browser.calculateMouseEvent(event);
GLUT.buttons |= (1 << event['button']);
if (event.target == Module["canvas"] && GLUT.mouseFunc) {
try {
event.target.setCapture();
} catch (e) {}
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('viiii', GLUT.mouseFunc, [event['button'], 0/*GLUT_DOWN*/, Browser.mouseX, Browser.mouseY]);
}
},
onMouseButtonUp: function(event) {
Browser.calculateMouseEvent(event);
GLUT.buttons &= ~(1 << event['button']);
if (GLUT.mouseFunc) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('viiii', GLUT.mouseFunc, [event['button'], 1/*GLUT_UP*/, Browser.mouseX, Browser.mouseY]);
}
},
onMouseWheel: function(event) {
Browser.calculateMouseEvent(event);
// cross-browser wheel delta
var e = window.event || event; // old IE support
var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
var button = 3; // wheel up
if (delta < 0) {
button = 4; // wheel down
}
if (GLUT.mouseFunc) {
event.preventDefault();
GLUT.saveModifiers(event);
Runtime.dynCall('viiii', GLUT.mouseFunc, [button, 0/*GLUT_DOWN*/, Browser.mouseX, Browser.mouseY]);
}
},
// TODO add fullscreen API ala:
// http://johndyer.name/native-fullscreen-javascript-api-plus-jquery-plugin/
onFullScreenEventChange: function(event) {
var width;
var height;
if (document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) {
width = screen["width"];
height = screen["height"];
} else {
width = GLUT.windowWidth;
height = GLUT.windowHeight;
// TODO set position
document.removeEventListener('fullscreenchange', GLUT.onFullScreenEventChange, true);
document.removeEventListener('mozfullscreenchange', GLUT.onFullScreenEventChange, true);
document.removeEventListener('webkitfullscreenchange', GLUT.onFullScreenEventChange, true);
}
Browser.setCanvasSize(width, height);
/* Can't call _glutReshapeWindow as that requests cancelling fullscreen. */
if (GLUT.reshapeFunc) {
// console.log("GLUT.reshapeFunc (from FS): " + width + ", " + height);
Runtime.dynCall('vii', GLUT.reshapeFunc, [width, height]);
}
_glutPostRedisplay();
},
requestFullScreen: function() {
var RFS = Module["canvas"]['requestFullscreen'] ||
Module["canvas"]['requestFullScreen'] ||
Module["canvas"]['mozRequestFullScreen'] ||
Module["canvas"]['webkitRequestFullScreen'] ||
(function() {});
RFS.apply(Module["canvas"], []);
},
cancelFullScreen: function() {
var CFS = document['exitFullscreen'] ||
document['cancelFullScreen'] ||
document['mozCancelFullScreen'] ||
document['webkitCancelFullScreen'] ||
(function() {});
CFS.apply(document, []);
}
},
glutGetModifiers: function() { return GLUT.modifiers; },
glutInit__deps: ['$Browser'],
glutInit: function(argcp, argv) {
// Ignore arguments
GLUT.initTime = Date.now();
var isTouchDevice = 'ontouchstart' in document.documentElement;
window.addEventListener("keydown", GLUT.onKeydown, true);
window.addEventListener("keyup", GLUT.onKeyup, true);
if (isTouchDevice) {
window.addEventListener("touchmove", GLUT.onMousemove, true);
window.addEventListener("touchstart", GLUT.onMouseButtonDown, true);
window.addEventListener("touchend", GLUT.onMouseButtonUp, true);
} else {
window.addEventListener("mousemove", GLUT.onMousemove, true);
window.addEventListener("mousedown", GLUT.onMouseButtonDown, true);
window.addEventListener("mouseup", GLUT.onMouseButtonUp, true);
// IE9, Chrome, Safari, Opera
window.addEventListener("mousewheel", GLUT.onMouseWheel, true);
// Firefox
window.addEventListener("DOMMouseScroll", GLUT.onMouseWheel, true);
}
Browser.resizeListeners.push(function(width, height) {
if (GLUT.reshapeFunc) {
Runtime.dynCall('vii', GLUT.reshapeFunc, [width, height]);
}
});
__ATEXIT__.push({ func: function() {
window.removeEventListener("keydown", GLUT.onKeydown, true);
window.removeEventListener("keyup", GLUT.onKeyup, true);
if (isTouchDevice) {
window.removeEventListener("touchmove", GLUT.onMousemove, true);
window.removeEventListener("touchstart", GLUT.onMouseButtonDown, true);
window.removeEventListener("touchend", GLUT.onMouseButtonUp, true);
} else {
window.removeEventListener("mousemove", GLUT.onMousemove, true);
window.removeEventListener("mousedown", GLUT.onMouseButtonDown, true);
window.removeEventListener("mouseup", GLUT.onMouseButtonUp, true);
// IE9, Chrome, Safari, Opera
window.removeEventListener("mousewheel", GLUT.onMouseWheel, true);
// Firefox
window.removeEventListener("DOMMouseScroll", GLUT.onMouseWheel, true);
}
Module["canvas"].width = Module["canvas"].height = 1;
} });
},
glutInitWindowSize: function(width, height) {
Browser.setCanvasSize( GLUT.initWindowWidth = width,
GLUT.initWindowHeight = height );
},
glutInitWindowPosition: function(x, y) {
// Ignore for now
},
glutGet: function(type) {
switch (type) {
case 100: /* GLUT_WINDOW_X */
return 0; /* TODO */
case 101: /* GLUT_WINDOW_Y */
return 0; /* TODO */
case 102: /* GLUT_WINDOW_WIDTH */
return Module['canvas'].width;
case 103: /* GLUT_WINDOW_HEIGHT */
return Module['canvas'].height;
case 200: /* GLUT_SCREEN_WIDTH */
return Module['canvas'].width;
case 201: /* GLUT_SCREEN_HEIGHT */
return Module['canvas'].height;
case 500: /* GLUT_INIT_WINDOW_X */
return 0; /* TODO */
case 501: /* GLUT_INIT_WINDOW_Y */
return 0; /* TODO */
case 502: /* GLUT_INIT_WINDOW_WIDTH */
return GLUT.initWindowWidth;
case 503: /* GLUT_INIT_WINDOW_HEIGHT */
return GLUT.initWindowHeight;
case 700: /* GLUT_ELAPSED_TIME */
var now = Date.now();
return now - GLUT.initTime;
default:
throw "glutGet(" + type + ") not implemented yet";
}
},
glutIdleFunc: function(func) {
function callback() {
if (GLUT.idleFunc) {
Runtime.dynCall('v', GLUT.idleFunc);
Browser.safeSetTimeout(callback, 0);
}
}
if (!GLUT.idleFunc) {
Browser.safeSetTimeout(callback, 0);
}
GLUT.idleFunc = func;
},
glutTimerFunc: function(msec, func, value) {
Browser.safeSetTimeout(function() { Runtime.dynCall('vi', func, [value]); }, msec);
},
glutDisplayFunc: function(func) {
GLUT.displayFunc = func;
},
glutKeyboardFunc: function(func) {
GLUT.keyboardFunc = func;
},
glutKeyboardUpFunc: function(func) {
GLUT.keyboardUpFunc = func;
},
glutSpecialFunc: function(func) {
GLUT.specialFunc = func;
},
glutSpecialUpFunc: function(func) {
GLUT.specialUpFunc = func;
},
glutReshapeFunc: function(func) {
GLUT.reshapeFunc = func;
},
glutMotionFunc: function(func) {
GLUT.motionFunc = func;
},
glutPassiveMotionFunc: function(func) {
GLUT.passiveMotionFunc = func;
},
glutMouseFunc: function(func) {
GLUT.mouseFunc = func;
},
glutCreateWindow__deps: ['$Browser'],
glutCreateWindow: function(name) {
var contextAttributes = {
antialias: ((GLUT.initDisplayMode & 0x0080 /*GLUT_MULTISAMPLE*/) != 0),
depth: ((GLUT.initDisplayMode & 0x0010 /*GLUT_DEPTH*/) != 0),
stencil: ((GLUT.initDisplayMode & 0x0020 /*GLUT_STENCIL*/) != 0)
};
Module.ctx = Browser.createContext(Module['canvas'], true, true, contextAttributes);
return Module.ctx ? 1 /* a new GLUT window ID for the created context */ : 0 /* failure */;
},
glutDestroyWindow__deps: ['$Browser'],
glutDestroyWindow: function(name) {
Module.ctx = Browser.destroyContext(Module['canvas'], true, true);
return 1;
},
glutReshapeWindow__deps: ['$GLUT', 'glutPostRedisplay'],
glutReshapeWindow: function(width, height) {
GLUT.cancelFullScreen();
Browser.setCanvasSize(width, height);
if (GLUT.reshapeFunc) {
Runtime.dynCall('vii', GLUT.reshapeFunc, [width, height]);
}
_glutPostRedisplay();
},
glutPositionWindow__deps: ['$GLUT', 'glutPostRedisplay'],
glutPositionWindow: function(x, y) {
GLUT.cancelFullScreen();
/* TODO */
_glutPostRedisplay();
},
glutFullScreen__deps: ['$GLUT', 'glutPostRedisplay'],
glutFullScreen: function() {
GLUT.windowX = 0; // TODO
GLUT.windowY = 0; // TODO
GLUT.windowWidth = Module['canvas'].width;
GLUT.windowHeight = Module['canvas'].height;
document.addEventListener('fullscreenchange', GLUT.onFullScreenEventChange, true);
document.addEventListener('mozfullscreenchange', GLUT.onFullScreenEventChange, true);
document.addEventListener('webkitfullscreenchange', GLUT.onFullScreenEventChange, true);
GLUT.requestFullScreen();
},
glutInitDisplayMode: function(mode) {
GLUT.initDisplayMode = mode;
},
glutSwapBuffers: function() {},
glutPostRedisplay: function() {
if (GLUT.displayFunc) {
Browser.requestAnimationFrame(function() {
if (ABORT) return;
Runtime.dynCall('v', GLUT.displayFunc);
});
}
},
glutMainLoop__deps: ['$GLUT', 'glutReshapeWindow', 'glutPostRedisplay'],
glutMainLoop: function() {
_glutReshapeWindow(Module['canvas'].width, Module['canvas'].height);
_glutPostRedisplay();
throw 'SimulateInfiniteLoop';
},
};
autoAddDeps(LibraryGLUT, '$GLUT');
mergeInto(LibraryManager.library, LibraryGLUT);
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