fixup! feat: add horizontal FOV converter

momentum-mod · Jul 25, 2024 · 0e71941 · 0e71941
1 parent 7309650
commit 0e71941
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/scripts/pages/settings/fov.js b/scripts/pages/settings/fov.js
@@ -1,10 +1,3 @@
-function deg2rad(x) {
-	return (x / 180) * Math.PI;
-}
-function rad2deg(x) {
-	return (x * 180) / Math.PI;
-}
-
 class Fov {
 	static panels = {
 		/** @type {SettingsSlider} @static */
@@ -29,7 +22,6 @@ class Fov {
 		return panel.actuallayoutwidth / panel.actuallayoutheight;
 	}
 
-	// based on https://casualhacks.net/Source-FOV-calculator.html
 	static fovToHorizontal(fov) {
 		const ratioRatio = this.aspectRatio() / (4 / 3);
 		return 2 * rad2deg(Math.atan(Math.tan(deg2rad(fov) / 2) * ratioRatio));

diff --git a/scripts/util/math.ts b/scripts/util/math.ts
@@ -121,3 +121,11 @@ function mapAngleToScreenDist(angle: number, fov: number, length: number, scale:
 			return Math.round((1 + Math.tan(angle * 0.5) / Math.tan(fov * 0.5)) * screenDist * 0.5);
 	}
 }
+
+function deg2rad(x: number): number {
+	return (x / 180) * Math.PI;
+}
+
+function rad2deg(x: number): number {
+	return (x * 180) / Math.PI;
+}