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51d9dad31f
* Reexport Blockly.utils.* modules from Blockly.utils * Update metadata (file sizes) again blockly_compressed.js has gotten too big for the second time this quarter. Update the expected file sizes for it so that tests will continue to pass.
60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Utility methods for math.
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* These methods are not specific to Blockly, and could be factored out into
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* a JavaScript framework such as Closure.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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/**
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* @name Blockly.utils.math
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* @namespace
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*/
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goog.module('Blockly.utils.math');
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/**
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* Converts degrees to radians.
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* Copied from Closure's goog.math.toRadians.
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* @param {number} angleDegrees Angle in degrees.
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* @return {number} Angle in radians.
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*/
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const toRadians = function(angleDegrees) {
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return angleDegrees * Math.PI / 180;
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};
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exports.toRadians = toRadians;
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/**
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* Converts radians to degrees.
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* Copied from Closure's goog.math.toDegrees.
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* @param {number} angleRadians Angle in radians.
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* @return {number} Angle in degrees.
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*/
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const toDegrees = function(angleRadians) {
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return angleRadians * 180 / Math.PI;
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};
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exports.toDegrees = toDegrees;
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/**
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* Clamp the provided number between the lower bound and the upper bound.
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* @param {number} lowerBound The desired lower bound.
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* @param {number} number The number to clamp.
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* @param {number} upperBound The desired upper bound.
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* @return {number} The clamped number.
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*/
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const clamp = function(lowerBound, number, upperBound) {
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if (upperBound < lowerBound) {
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const temp = upperBound;
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upperBound = lowerBound;
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lowerBound = temp;
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}
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return Math.max(lowerBound, Math.min(number, upperBound));
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};
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exports.clamp = clamp;
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