refac: Remove value interpolation

Author: Niekes

src/components/neonRails.ts

@@ -1,6 +1,6 @@
 import { customElement, property } from "lit/decorators.js";
 import Particle from "../Particle";
-import { getRandomFloat, interpolateLinear } from "../utils/number";
+import { getRandomFloat } from "../utils/number";
 import { randomColor } from "../utils/color";
 import { BeautifulBackground } from "../BeautifulBackground";
 import { stringToArrayConverter } from "../utils/lit";
@@ -101,8 +101,8 @@ export class BbNeonRails extends BeautifulBackground {
     protected createParticle(): Particle {
         const size = getRandomFloat(this.particleSizeMin, this.particleSizeMax);
         const speed = getRandomFloat(
-            interpolateLinear(this.particleSpeedMin, -10, 10, -10, 10),
-            interpolateLinear(this.particleSpeedMax, -10, 10, -10, 10),
+            this.particleSpeedMin,
+            this.particleSpeedMax,
         );
 
         const lifespan = getRandomFloat(

src/components/startTrail.ts

@@ -1,6 +1,6 @@
 import { customElement, property } from "lit/decorators.js";
 import Particle from "../Particle";
-import { getRandomFloat, interpolateLinear } from "../utils/number";
+import { getRandomFloat } from "../utils/number";
 import { randomColor } from "../utils/color";
 import { BeautifulBackground } from "../BeautifulBackground";
 import { stringToArrayConverter } from "../utils/lit";
@@ -109,8 +109,8 @@ export class BbStarTrail extends BeautifulBackground {
     protected createParticle(): Particle {
         const size = getRandomFloat(this.particleSizeMin, this.particleSizeMax);
         const speed = getRandomFloat(
-            interpolateLinear(this.particleSpeedMin, -10, 10, -1, 1),
-            interpolateLinear(this.particleSpeedMax, -10, 10, -1, 1),
+            this.particleSpeedMin,
+            this.particleSpeedMax,
         );
 
         const lifespan = getRandomFloat(

src/utils/number.ts

@@ -8,22 +8,3 @@ export function getRandomInt(min: number, max: number): number {
 
     return Math.floor(Math.random() * (max - min + 1) + min);
 }
-
-export function interpolateLinear(
-    value: number,
-    domainStart: number,
-    domainEnd: number,
-    rangeStart: number,
-    rangeEnd: number
-): number {
-    // Ensure the value is within the domain
-    if (value < domainStart) value = domainStart;
-    if (value > domainEnd) value = domainEnd;
-
-    // Normalize the value within the domain
-    const normalized = (value - domainStart) / (domainEnd - domainStart);
-
-    // Scale the normalized value to the range and return it
-    // The output is always between rangeStart and rangeEnd,
-    return normalized * (rangeEnd - rangeStart) + rangeStart;
-}