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authorSam Potts <sam@potts.es>2019-04-15 22:08:09 +1000
committerSam Potts <sam@potts.es>2019-04-15 22:08:09 +1000
commitb2fff4c33f45c8e61bbe1f6549e69ef46ef8b2fa (patch)
tree330f5df294810b19b35b41ce42750c455a809850 /src/js/utils
parent243db9eda32d0ceb705b0cb99426995db071b113 (diff)
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Increase speed limits
Diffstat (limited to 'src/js/utils')
-rw-r--r--src/js/utils/numbers.js17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/js/utils/numbers.js b/src/js/utils/numbers.js
new file mode 100644
index 00000000..f6eb65c8
--- /dev/null
+++ b/src/js/utils/numbers.js
@@ -0,0 +1,17 @@
+/**
+ * Returns a number whose value is limited to the given range.
+ *
+ * Example: limit the output of this computation to between 0 and 255
+ * (x * 255).clamp(0, 255)
+ *
+ * @param {Number} input
+ * @param {Number} min The lower boundary of the output range
+ * @param {Number} max The upper boundary of the output range
+ * @returns A number in the range [min, max]
+ * @type Number
+ */
+export function clamp(input = 0, min = 0, max = 255) {
+ return Math.min(Math.max(input, min), max);
+}
+
+export default { clamp };