v0.302

package.json

@@ -1,6 +1,6 @@
 {
     "name": "litecanvas",
-    "version": "0.301.1",
+    "version": "0.302.0",
     "description": "Lightweight HTML5 canvas 2D game engine suitable for small projects and creative coding. Inspired by PICO-8 and p5.js/Processing.",
     "license": "MIT",
     "author": "Luiz Bills <luizbills@pm.me>",
@@ -32,7 +32,7 @@
         "creative coding"
     ],
     "devDependencies": {
-        "@happy-dom/global-registrator": "^20.10.3",
+        "@happy-dom/global-registrator": "^20.10.4",
         "@size-limit/preset-small-lib": "^12.1.0",
         "@swc/core": "^1.15.41",
         "ava": "^8.0.1",

src/index.js

@@ -85,7 +85,9 @@ export default function litecanvas(settings = {}) {
         /** @type {number} */
         _rngSeed = Date.now(),
         /** @type {string[]} */
-        _colorPalette = defaultPalette,
+        _currentPalette = defaultPalette,
+        /** @type {string[]} */
+        _lastPalette = defaultPalette,
         /** @type {number[]} */
         _colorPaletteState = [],
         /** @type {number[]} */
@@ -1183,7 +1185,7 @@ export default function litecanvas(settings = {}) {
         },
 
         /**
-         * Set new palette colors or restore the default palette.
+         * Set new palette colors or restore previous palette.
          *
          * @param {string[]} [colors] an array of colors
          * @param {number} [textColor] the default text color this palette
@@ -1198,11 +1200,17 @@ export default function litecanvas(settings = {}) {
                 'pal() 2nd argument must be a non-negative number'
             )
 
-            _colorPalette = colors || defaultPalette
+            if (null == colors) {
+                _currentPalette = _lastPalette
+            } else {
+                _lastPalette = _currentPalette
+                _currentPalette = colors
+            }
+
             _colorPaletteState = []
             _defaultTextColor = textColor
 
-            instance.emit('pal', _colorPalette, _defaultTextColor)
+            instance.emit('pal', _currentPalette, _defaultTextColor)
         },
 
         /**
@@ -1313,7 +1321,7 @@ export default function litecanvas(settings = {}) {
                 _eventListeners,
 
                 // 5
-                _colorPalette,
+                _currentPalette,
 
                 // 6
                 _defaultSound,
@@ -1864,7 +1872,7 @@ export default function litecanvas(settings = {}) {
      */
     function getColor(index) {
         const i = _colorPaletteState[index] ?? index
-        return _colorPalette[~~i % _colorPalette.length]
+        return _currentPalette[~~i % _currentPalette.length]
     }
 
     if (settings.global) {

tests/pal.js

@@ -22,7 +22,7 @@ test.after(() => {
     local.quit()
 })
 
-test('change the color palette', async (t) => {
+test('change the current color palette', async (t) => {
     await onLitecanvas(local, 'draw', () => {
         const customPalette = ['#123', '#456']
         local.pal(customPalette)
@@ -33,12 +33,20 @@ test('change the color palette', async (t) => {
     })
 })
 
-test('reset the color palette', async (t) => {
+test('restore the previous color palette', async (t) => {
     await onLitecanvas(local, 'draw', () => {
-        local.pal()
+        const _firstPalette = ['#114', '#fee']
+        local.pal(_firstPalette)
 
-        const colors = local.stat(5)
+        const _secondPalette = ['#213', '#abc']
+        local.pal(_secondPalette)
+
+        const _currentPalette = local.stat(5)
+        t.not(_currentPalette[0], _firstPalette[0])
+
+        local.pal()
+        const _restoredPalette = local.stat(5)
 
-        t.is(colors[0], defaultPalette[0])
+        t.is(_restoredPalette[0], _firstPalette[0])
     })
 })