feat: exploring skia setup

README.md

@@ -1,19 +1,18 @@
 <h1 align="center">
-    Grid Magnification effect in React Native Skia 🦄
+    Exploring Skia 🦄
 </h1>
 
 <a href="https://youtu.be/zV0SGIlrtug" target="_blank">
-    <img src="https://github.com/enzomanuelmangano/skia-grid-magnification/blob/main/.assets/skia-grid.png" title="skia-grid-magnification">
+    <img src="https://github.com/enzomanuelmangano/exploring-skia/blob/main/.assets/thumbnail.png" title="exploring-skia">
 </a>
 
-[Check out the video tutorial!](https://youtu.be/zV0SGIlrtug)
+What's up mobile devs?
+This is a repository where I explore the (React Native Skia)[https://github.com/Shopify/react-native-skia] package, by creating some interesting animations and UIs.
+If you find this repo useful, feel free to support me on [Patreon](https://www.patreon.com/reactiive).
 
-## Inspiration
+# Tutorials
 
-- [Philip Davis' Tweet](https://twitter.com/philipcdavis/status/1549409119131488256?s=20&t=PmMsvQBgsruGVeAtooeLcA)
+Every source code is fully explained in the following tutorials:
 
-## Does this sound interesting?
-
-Then I suggest you check out my [YouTube](https://www.youtube.com/c/Reactiive) channel. I create React Native contents and continually update a series on Reanimated called ["Animate with Reanimated"](https://github.com/enzomanuelmangano/animate-with-reanimated).
-
-Do you want to support me? [Buymeacoffee](https://www.buymeacoffee.com/reactiive)
+- [Skia Grid Magnification](https://youtu.be/zV0SGIlrtug)
+- [Metaball Animation](https://youtu.be/HOxZegqnDC4)

metaball/.gitignore

@@ -0,0 +1,17 @@
+node_modules/
+.expo/
+dist/
+npm-debug.*
+*.jks
+*.p8
+*.p12
+*.key
+*.mobileprovision
+*.orig.*
+web-build/
+
+# macOS
+.DS_Store
+
+# Temporary files created by Metro to check the health of the file watcher
+.metro-health-check*

metaball/App.tsx

@@ -0,0 +1,82 @@
+import { StatusBar, Text, View, useWindowDimensions } from 'react-native';
+import React, { useMemo } from 'react';
+import {
+  Blur,
+  Canvas,
+  Circle,
+  ColorMatrix,
+  Group,
+  Paint,
+  SweepGradient,
+  runSpring,
+  useValue,
+  vec,
+} from '@shopify/react-native-skia';
+import Touchable, { useGestureHandler } from 'react-native-skia-gesture';
+
+const RADIUS = 80;
+
+export default function App() {
+  const { width: windowWidth, height: windowHeight } = useWindowDimensions();
+
+  const cx = useValue(windowWidth / 2);
+  const cy = useValue(windowHeight / 2);
+
+  const gestureHandler = useGestureHandler<{
+    x: number;
+    y: number;
+  }>({
+    onStart: (_, context) => {
+      context.x = cx.current;
+      context.y = cy.current;
+    },
+    onActive: ({ translationX, translationY }, context) => {
+      cx.current = translationX + context.x;
+      cy.current = translationY + context.y;
+    },
+    onEnd: () => {
+      runSpring(cx, windowWidth / 2);
+      runSpring(cy, windowHeight / 2);
+    },
+  });
+
+  const layer = useMemo(() => {
+    return (
+      <Paint>
+        {/* pixelOpacity > blurredOpacity * 60 - 30 */}
+        <Blur blur={30} />
+        <ColorMatrix
+          matrix={[
+            // R, G, B, A, Bias (Offset)
+            // prettier-ignore
+            1, 0, 0, 0, 0,
+            // prettier-ignore
+            0, 1, 0, 0, 0,
+            // prettier-ignore
+            0, 0, 1, 0, 0,
+            // prettier-ignore
+            0, 0, 0, 60, -30,
+          ]}
+        />
+      </Paint>
+    );
+  }, []);
+
+  return (
+    <>
+      <StatusBar barStyle={'light-content'} />
+      <Touchable.Canvas
+        style={{
+          flex: 1,
+          backgroundColor: '#111',
+        }}
+      >
+        <Group layer={layer}>
+          <Touchable.Circle {...gestureHandler} cx={cx} cy={cy} r={RADIUS} />
+          <Circle cx={windowWidth / 2} cy={windowHeight / 2} r={RADIUS} />
+          <SweepGradient c={vec(0, 0)} colors={['cyan', 'magenta', 'cyan']} />
+        </Group>
+      </Touchable.Canvas>
+    </>
+  );
+}

metaball/app.json

@@ -0,0 +1,30 @@
+{
+  "expo": {
+    "name": "metaball",
+    "slug": "metaball",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/icon.png",
+    "userInterfaceStyle": "light",
+    "splash": {
+      "image": "./assets/splash.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#ffffff"
+    },
+    "assetBundlePatterns": [
+      "**/*"
+    ],
+    "ios": {
+      "supportsTablet": true
+    },
+    "android": {
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/adaptive-icon.png",
+        "backgroundColor": "#ffffff"
+      }
+    },
+    "web": {
+      "favicon": "./assets/favicon.png"
+    }
+  }
+}

metaball/babel.config.js

@@ -0,0 +1,6 @@
+module.exports = function(api) {
+  api.cache(true);
+  return {
+    presets: ['babel-preset-expo'],
+  };
+};

metaball/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "metaball",
+  "version": "1.0.0",
+  "main": "node_modules/expo/AppEntry.js",
+  "scripts": {
+    "start": "expo start",
+    "android": "expo start --android",
+    "ios": "expo start --ios",
+    "web": "expo start --web"
+  },
+  "dependencies": {
+    "@shopify/react-native-skia": "0.1.172",
+    "expo": "~48.0.15",
+    "expo-status-bar": "~1.4.4",
+    "react": "18.2.0",
+    "react-native": "0.71.8",
+    "react-native-skia-gesture": "^0.1.7"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.20.0",
+    "@types/react": "~18.0.14",
+    "typescript": "^4.9.4"
+  },
+  "private": true
+}

metaball/tsconfig.json

@@ -0,0 +1,6 @@
+{
+  "extends": "expo/tsconfig.base",
+  "compilerOptions": {
+    "strict": true
+  }
+}