painbrush

Index: package/src/color/utils.ts
===================================================================
--- package/src/color/utils.ts
+++ package/src/color/utils.ts
@@ -1,53 +0,0 @@
-/**
- * This is cheeky, but this would be impossible in normal colorspace and makes the math so easy
- */
-export type AlphaColor = [-1, -1, -1];
-export type RGBColor = [r: number, g: number, b: number];
-export type Color = RGBColor | AlphaColor;
-
-export const COLOR_ALPHA: AlphaColor = [-1, -1, -1];
-export const COLOR_WHITE: Color = [255, 255, 255];
-export const COLOR_BLACK: Color = [0, 0, 0];
-
-/**
- * Alphas are a cursed implementation detail that gets treated differently at blending, rn its just -1,-1,-1 but maybe in the future this can be loaded with alpha depth? or not. lol that sounds cursed.
- */
-export const isAlphaColor = (color: Color): color is AlphaColor => {
-  return color[0] === -1;
-};
-export const isColorMatch = (color1: Color, color2: Color) => {
-  return (
-    color1[0] === color2[0] &&
-    color1[1] === color2[1] &&
-    color1[2] === color2[2]
-  );
-};
-
-/**
- * Layers use this to mix two colors together. this is where the alpha magic happens and where blend modes can go
- */
-export const blendColor = (
-  top: null | undefined | Color,
-  bottom: Color,
-): Color => {
-  if (top == null) {
-    return bottom;
-  }
-  if (isAlphaColor(top)) {
-    return bottom;
-  }
-
-  return top;
-};
-
-export const makeRandomColor = (r: number) => {
-  const next = (seed: number) => {
-    seed = Math.sin(seed) * 10000;
-    return seed - ~~seed;
-  };
-
-  const g = next(r);
-  const b = next(g);
-
-  return [r, g, b].map((c) => c * 255) as Color;
-};