Files
Superalgos/SplashScreen.js
T
2018-02-14 13:00:19 +01:00

155 lines
4.3 KiB
JavaScript

/*
The Splash Screen is to show some 'loading...' controls while the app is being loaded on the background. After the loading is complete the Splash Screens dissapears for good.
*/
function newSplashScreen() {
var splashScreen = {
container: undefined,
draw: draw,
timeMachines: [],
getContainer: getContainer, // returns the inner most container that holds the point received by parameter.
initialize: initialize
};
var container = newContainer();
container.initialize();
splashScreen.container = container;
splashScreen.container.frame.width = browserCanvas.width;
splashScreen.container.frame.height = browserCanvas.height;
container.displacement.containerName = "Splash Screen";
container.zoom.containerName = "Splash Screen";
container.frame.containerName = "Splash Screen";
container.frame.position.x = 0;
container.frame.position.y = 0;
container.isZoomeable = false;
container.isDraggeable = false;
let fadeOutCounter = 0;
let opacity = 1;
return splashScreen;
function initialize() {
}
function draw() {
if (splashScreenNeeded === false) {
stepsInitializationCounter = 100;
fadeOutCounter++;
if (fadeOutCounter > 20) {
return;
}
opacity = opacity - 0.05;
}
splashScreen.container.frame.draw(false, false);
let label = '' + stepsInitializationCounter + ' %';
stepsInitializationCounter++;
if (stepsInitializationCounter > 99) { stepsInitializationCounter = 99;}
let fontSize = 50;
let labelPoint = {
x: splashScreen.container.frame.width / 2 - label.length / 2 * fontSize * FONT_ASPECT_RATIO -30,
y: splashScreen.container.frame.height / 2 + fontSize / 2 + fontSize * 0.1
};
browserCanvasContext.beginPath();
browserCanvasContext.rect(0, 0, splashScreen.container.frame.width, splashScreen.container.frame.height);
browserCanvasContext.fillStyle = 'rgba(255, 255, 255, ' + opacity + ')';
browserCanvasContext.closePath();
browserCanvasContext.fill();
browserCanvasContext.font = fontSize + 'px Courier New';
browserCanvasContext.fillStyle = 'rgba(200, 200, 200, ' + opacity + ')';
browserCanvasContext.fillText(label, labelPoint.x, labelPoint.y);
let title;
let titlePoint;
fontSize = 100;
title = "Advanced"
titlePoint = {
x: splashScreen.container.frame.width / 2 - title.length / 2 * fontSize * FONT_ASPECT_RATIO - 230,
y: splashScreen.container.frame.height / 2 - fontSize * 2 + 50
};
browserCanvasContext.font = fontSize + 'px Verdana';
browserCanvasContext.fillStyle = 'rgba(0, 0, 0, ' + opacity + ')';
browserCanvasContext.fillText(title, titlePoint.x, titlePoint.y);
title = "A"
browserCanvasContext.fillStyle = 'rgba(255, 0, 0, ' + opacity + ')';
browserCanvasContext.fillText(title, titlePoint.x, titlePoint.y);
title = "Algos"
titlePoint = {
x: splashScreen.container.frame.width / 2 - title.length / 2 * fontSize * FONT_ASPECT_RATIO + 230,
y: splashScreen.container.frame.height / 2 - fontSize * 2 + 50
};
browserCanvasContext.font = fontSize + 'px Verdana';
browserCanvasContext.fillStyle = 'rgba(0, 0, 0, ' + opacity + ')';
browserCanvasContext.fillText(title, titlePoint.x, titlePoint.y);
title = "A"
browserCanvasContext.fillStyle = 'rgba(255, 0, 0, ' + opacity + ')';
browserCanvasContext.fillText(title, titlePoint.x, titlePoint.y);
}
function getContainer(point) {
var container;
/* First we check if this point is inside this space. */
if (this.container.frame.isThisPointHere(point) === true) {
/* Now we see which is the inner most container that has it */
// add validation of inner most containers here.
/* The point does not belong to any inner container, so we return the current container. */
return this.container;
} else {
/* This point does not belong to this space. */
return undefined;
}
}
}