New palette generation

1 files changed, 18 insertions, 26 deletions

diff --git a/src/_functions.scss b/src/_functions.scss
index 27b850c..62caf8c 100644
--- a/src/_functions.scss
+++ b/src/_functions.scss
@@ -7,49 +7,41 @@
 @use 'iro-sass/src/easing';
 @use 'apca';
 
-@function palette($base-color, $contrasts, $chroma-range: 1, $ref-color: $base-color, $chroma-easing: 'ease') {
+@function palette($base-color, $levels, $ref-color: $base-color) {
     $base-lch: color.to-space($base-color, oklch);
     $ref-lch: color.to-space($ref-color, oklch);
 
     $ref-l: color.channel($ref-lch, 'lightness');
     $ref-y: apca.sRGB_to_Y($ref-lch);
 
-    $cmax: math.max(map.values($contrasts)...);
-    $cmax: math.max($cmax, math.abs(math.min(map.values($contrasts)...)));
-
     $black-y: apca.sRGB_to_Y(#000);
     $white-y: apca.sRGB_to_Y(#fff);
 
-    $chroma-inv: false;
-    @if $chroma-range < 0 {
-        $chroma-inv: true;
-        $chroma-range: -1 * $chroma-range;
-    }
-    $chroma-easing: meta.get-function($chroma-easing, $module: easing);
-
     $palette: ();
 
-    @each $key, $contrast in $contrasts {
-        $y: apca.reverse($contrast, $ref-y);
-        $l: color.channel($base-lch, 'lightness');
+    @each $key, $level in $levels {
+        $color: list.nth($level, 1);
+        $y: 0;
         $c: 1;
 
-        @if $y != false {
-            $l: color.channel(apca.Y_to_sRGB($y), 'lightness', oklch);
-        } @else {
-            $y: $ref-y;
+        @if list.length($level) > 1 {
+            $c: list.nth($level, 2);
         }
 
-        @if $chroma-range != 1 {
-            $c: if($ref-l > 50%, math.clamp(0, math.div($contrast, $cmax), 1), -1 * math.clamp(-1, math.div($contrast, $cmax), 0));
-            @if $chroma-inv {
-                $c: 1 - $c;
+        @if meta.type-of($color) != 'color' {
+            $y: apca.reverse($color, $ref-y);
+            $l: color.channel($base-lch, 'lightness');
+
+            @if $y != false {
+                $l: color.channel(apca.Y_to_sRGB($y), 'lightness', oklch);
+            } @else {
+                $y: $ref-y;
             }
-            $c: meta.call($chroma-easing, $c);
-            $c: $chroma-range + (1 - $chroma-range) * $c;
-        }
 
-        $color: oklch($l ($c * color.channel($base-lch, 'chroma')) color.channel($base-lch, 'hue'));
+            $color: oklch($l ($c * color.channel($base-lch, 'chroma')) color.channel($base-lch, 'hue'));
+        } @else {
+            $y: apca.sRGB_to_Y($color);
+        }
 
         $contrast-black: apca.contrast($black-y, $y);
         $contrast-white: apca.contrast($white-y, $y);