You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
167 lines
3.4 KiB
167 lines
3.4 KiB
var Stats = function () {
|
|
|
|
var mode = 0;
|
|
|
|
var container = document.createElement( 'div' );
|
|
container.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';
|
|
container.addEventListener( 'click', function ( event ) {
|
|
|
|
event.preventDefault();
|
|
showPanel( ++ mode % container.children.length );
|
|
|
|
}, false );
|
|
|
|
//
|
|
|
|
function addPanel( panel ) {
|
|
|
|
container.appendChild( panel.dom );
|
|
return panel;
|
|
|
|
}
|
|
|
|
function showPanel( id ) {
|
|
|
|
for ( var i = 0; i < container.children.length; i ++ ) {
|
|
|
|
container.children[ i ].style.display = i === id ? 'block' : 'none';
|
|
|
|
}
|
|
|
|
mode = id;
|
|
|
|
}
|
|
|
|
//
|
|
|
|
var beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;
|
|
|
|
var fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );
|
|
var msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );
|
|
|
|
if ( self.performance && self.performance.memory ) {
|
|
|
|
var memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );
|
|
|
|
}
|
|
|
|
showPanel( 0 );
|
|
|
|
return {
|
|
|
|
REVISION: 16,
|
|
|
|
dom: container,
|
|
|
|
addPanel: addPanel,
|
|
showPanel: showPanel,
|
|
|
|
begin: function () {
|
|
|
|
beginTime = ( performance || Date ).now();
|
|
|
|
},
|
|
|
|
end: function () {
|
|
|
|
frames ++;
|
|
|
|
var time = ( performance || Date ).now();
|
|
|
|
msPanel.update( time - beginTime, 200 );
|
|
|
|
if ( time >= prevTime + 1000 ) {
|
|
|
|
fpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );
|
|
|
|
prevTime = time;
|
|
frames = 0;
|
|
|
|
if ( memPanel ) {
|
|
|
|
var memory = performance.memory;
|
|
memPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return time;
|
|
|
|
},
|
|
|
|
update: function () {
|
|
|
|
beginTime = this.end();
|
|
|
|
},
|
|
|
|
// Backwards Compatibility
|
|
|
|
domElement: container,
|
|
setMode: showPanel
|
|
|
|
};
|
|
|
|
};
|
|
|
|
Stats.Panel = function ( name, fg, bg ) {
|
|
|
|
var min = Infinity, max = 0, round = Math.round;
|
|
var PR = round( window.devicePixelRatio || 1 );
|
|
|
|
var WIDTH = 80 * PR, HEIGHT = 48 * PR,
|
|
TEXT_X = 3 * PR, TEXT_Y = 2 * PR,
|
|
GRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,
|
|
GRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;
|
|
|
|
var canvas = document.createElement( 'canvas' );
|
|
canvas.width = WIDTH;
|
|
canvas.height = HEIGHT;
|
|
canvas.style.cssText = 'width:80px;height:48px';
|
|
|
|
var context = canvas.getContext( '2d' );
|
|
context.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';
|
|
context.textBaseline = 'top';
|
|
|
|
context.fillStyle = bg;
|
|
context.fillRect( 0, 0, WIDTH, HEIGHT );
|
|
|
|
context.fillStyle = fg;
|
|
context.fillText( name, TEXT_X, TEXT_Y );
|
|
context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );
|
|
|
|
context.fillStyle = bg;
|
|
context.globalAlpha = 0.9;
|
|
context.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );
|
|
|
|
return {
|
|
|
|
dom: canvas,
|
|
|
|
update: function ( value, maxValue ) {
|
|
|
|
min = Math.min( min, value );
|
|
max = Math.max( max, value );
|
|
|
|
context.fillStyle = bg;
|
|
context.globalAlpha = 1;
|
|
context.fillRect( 0, 0, WIDTH, GRAPH_Y );
|
|
context.fillStyle = fg;
|
|
context.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );
|
|
|
|
context.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );
|
|
|
|
context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );
|
|
|
|
context.fillStyle = bg;
|
|
context.globalAlpha = 0.9;
|
|
context.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
};
|
|
|
|
export default Stats;
|
|
|