97 lines
2.5 KiB
JavaScript
97 lines
2.5 KiB
JavaScript
function sleep(ms) {
|
|
return new Promise(resolve => setTimeout(resolve, ms));
|
|
}
|
|
|
|
function moveObject(object, amountX, amountY, time) {
|
|
let counter = 0;
|
|
const step = time / 1000 * 60;
|
|
const stepX = amountX / step;
|
|
const stepY = amountY / step;
|
|
|
|
let goalX;
|
|
let goalY;
|
|
if (object.hasOwnProperty('cx') && object.hasOwnProperty('cy')) {
|
|
goalX = object.cx + amountX;
|
|
goalY = object.cy + amountY;
|
|
} else {
|
|
goalX = object.x + amountX;
|
|
goalY = object.y + amountY;
|
|
}
|
|
|
|
const interval = setInterval(() => {
|
|
if (object.hasOwnProperty('cx') && object.hasOwnProperty('cy')) {
|
|
object.cx += stepX;
|
|
object.cy += stepY;
|
|
} else {
|
|
object.x += stepX;
|
|
object.y += stepY;
|
|
}
|
|
counter++;
|
|
|
|
if (counter >= step) {
|
|
clearInterval(interval);
|
|
|
|
if (object.hasOwnProperty('cx') && object.hasOwnProperty('cy')) {
|
|
object.cx = goalX;
|
|
object.cy = goalY;
|
|
} else {
|
|
object.x = goalX;
|
|
object.y = goalY;
|
|
}
|
|
}
|
|
}, 1000 / 60);
|
|
}
|
|
|
|
function calculateColor(number) {
|
|
const hue = (number / 150 * (360 - 35) + 35) % 360;
|
|
return `hsl(${hue}, 100%, 50%)`;
|
|
}
|
|
|
|
function cbElementPos(event) {
|
|
event = event || window.event;
|
|
let obj = event.target || event.srcElement,
|
|
x = 0,
|
|
y = 0;
|
|
while (obj.offsetParent) {
|
|
x += obj.offsetLeft;
|
|
y += obj.offsetTop;
|
|
obj = obj.offsetParent;
|
|
}
|
|
return {x, y};
|
|
}
|
|
|
|
function cbMousePos(event) {
|
|
event = event || window.event;
|
|
return {
|
|
x: event.pageX || event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft,
|
|
y: event.pageY || event.clientY + document.body.scrollTop + document.documentElement.scrollTop,
|
|
}
|
|
}
|
|
|
|
function cbRelMousePos(event) {
|
|
const elem = cbElementPos(event),
|
|
mouse = cbMousePos(event);
|
|
return {
|
|
x: (mouse.x - elem.x),
|
|
y: (mouse.y - elem.y),
|
|
};
|
|
}
|
|
|
|
window.requestAnimationFrame = window.requestAnimationFrame ||
|
|
window.webkitRequestAnimationFrame ||
|
|
window.msRequestAnimationFrame ||
|
|
window.mozRequestAnimationFrame ||
|
|
function (callback) {
|
|
return setTimeout(callback, 1000 / 60);
|
|
};
|
|
|
|
Math.clamp = function (a, b, c) {
|
|
return Math.max(b, Math.min(c, a));
|
|
};
|
|
|
|
CanvasRenderingContext2D.prototype.fillCircle = function (cx, cy, radius) {
|
|
this.beginPath();
|
|
this.arc(cx, cy, radius, 0, 2 * Math.PI);
|
|
this.fill();
|
|
};
|