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let Utils = (function () { "use strict"; return { /** * Returns a random value between from and to * @param {number} from * @param {number} to * @return {number} */ rand(from, to) { return Math.floor(Math.random() * (to - from + 1) + from); }, /** * Returns the value higher than the min and lower than the max * @param {number} value * @param {number} min * @param {number} max * @return {number} */ clamp(value, min, max) { return Math.max(min, Math.min(max, value)); }, /** * Adds the separator every 3 decimals * @param {number} number * @param {string} separator * @return {string} */ formatNumber(number, separator) { let result = "", count = 0, char; number = String(number); for (let i = number.length - 1; i >= 0; i -= 1) { char = number.charAt(i); count += 1; result = char + result; if (count === 3 && i > 0) { result = separator + result; count = 0; } } return result; }, /** * Returns the angle between two values * @param {number} x * @param {number} y * @return {number} */ calcAngle(x, y) { let angle = Math.round(Math.abs(Math.atan(y / x) * 180 / Math.PI)); if (y < 0 && x >= 0) { angle = 360 - angle; } else if (y < 0 && x < 0) { angle = 180 + angle; } else if (y >= 0 && x < 0) { angle = 180 - angle; } return angle; }, /** * Returns the closest element with an action * @param {Event} * @return {DOMElement} */ getTarget(event) { let element = event.target; while (element.parentElement && !element.dataset.action) { element = element.parentElement; } return element; }, /** * Returns the position of an Element in the document * @param {DOMElement} element * @return {{top: number, left: number}} */ getPosition(element) { let top = 0, left = 0; if (element.offsetParent !== undefined) { top = element.offsetTop; left = element.offsetLeft; while (element.offsetParent && typeof element.offsetParent === "object") { element = element.offsetParent; top += element.offsetTop; left += element.offsetLeft; } } else if (element.x !== undefined) { top = element.y; left = element.x; } return { top, left }; }, /** * Sets the position of the given element or elements * @param {DOMElement} element * @param {number} top * @param {number} lefet */ setPosition(element, top, left) { element.style.top = top + "px"; element.style.left = left + "px"; }, /** * Removes the Element from the DOM * @param {DOMElement} element */ removeElement(element) { var parent = element.parentNode; parent.removeChild(element); }, /** * Returns the Mouse Position * @param {Event} event * @return {{top: number, left: number}} */ getMousePos(event) { let top = 0, left = 0; if (!event) { event = window.event; } if (event.pageX) { top = event.pageY; left = event.pageX; } else if (event.clientX) { top = event.clientY + (document.documentElement.scrollTop || document.body.scrollTop); left = event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft); } return { top, left }; }, /** * Unselects the elements */ unselect() { if (window.getSelection) { window.getSelection().removeAllRanges(); } else if (document.selection) { document.selection.empty(); } } }; }());
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