From 9f83ab70cfd5f2c41a23593f8ee5065b1015e242 Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.com>
Date: Sat, 4 Nov 2023 15:25:06 +0000
Subject: Add frontend

---
 frontend/src/App.vue                          |  10 ++
 frontend/src/assets/logo.svg                  |   1 +
 frontend/src/components/Board/TetrisBoard.vue | 162 ++++++++++++++++++
 frontend/src/main.ts                          |  11 ++
 frontend/src/model/board.ts                   |   1 +
 frontend/src/model/tetrominoes.ts             | 230 ++++++++++++++++++++++++++
 frontend/src/router/index.ts                  |  15 ++
 frontend/src/util/tetris.ts                   |  40 +++++
 frontend/src/views/HomeView.vue               |  10 ++
 9 files changed, 480 insertions(+)
 create mode 100644 frontend/src/App.vue
 create mode 100644 frontend/src/assets/logo.svg
 create mode 100644 frontend/src/components/Board/TetrisBoard.vue
 create mode 100644 frontend/src/main.ts
 create mode 100644 frontend/src/model/board.ts
 create mode 100644 frontend/src/model/tetrominoes.ts
 create mode 100644 frontend/src/router/index.ts
 create mode 100644 frontend/src/util/tetris.ts
 create mode 100644 frontend/src/views/HomeView.vue

(limited to 'frontend/src')

diff --git a/frontend/src/App.vue b/frontend/src/App.vue
new file mode 100644
index 0000000..e2ce8ee
--- /dev/null
+++ b/frontend/src/App.vue
@@ -0,0 +1,10 @@
+<script setup lang="ts">
+import { RouterView } from 'vue-router'
+</script>
+
+<template>
+  <RouterView />
+</template>
+
+<style scoped>
+</style>
\ No newline at end of file
diff --git a/frontend/src/assets/logo.svg b/frontend/src/assets/logo.svg
new file mode 100644
index 0000000..7565660
--- /dev/null
+++ b/frontend/src/assets/logo.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 261.76 226.69"><path d="M161.096.001l-30.225 52.351L100.647.001H-.005l130.877 226.688L261.749.001z" fill="#41b883"/><path d="M161.096.001l-30.225 52.351L100.647.001H52.346l78.526 136.01L209.398.001z" fill="#34495e"/></svg>
diff --git a/frontend/src/components/Board/TetrisBoard.vue b/frontend/src/components/Board/TetrisBoard.vue
new file mode 100644
index 0000000..d1f6557
--- /dev/null
+++ b/frontend/src/components/Board/TetrisBoard.vue
@@ -0,0 +1,162 @@
+<script setup lang="ts">
+import { onMounted, ref, type Ref } from 'vue';
+import { mergeTetrominoWithBoard, tetrominoCollidesWithBoard } from '@/util/tetris';
+import { type Tetromino, Tetrominoes } from '@/model/tetrominoes';
+import { type Board } from '@/model/board';
+
+const renderBoard: Ref<Board> = ref([[]]);
+let gameBoard: Board = [
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+  [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+]
+let currentTetromino: Tetromino | null = null;
+let nextTetromino: Ref<Tetromino | undefined> = ref();
+let gameInterval: ReturnType<typeof setInterval>;
+let gameInProgress = false;
+
+function updateRender() {
+  if (currentTetromino) {
+    renderBoard.value = mergeTetrominoWithBoard(gameBoard, currentTetromino);
+  } else {
+    renderBoard.value = gameBoard;
+  }
+}
+
+const tick = () => {
+  if (!currentTetromino) {
+    currentTetromino = { ...nextTetromino.value! };
+    if (tetrominoCollidesWithBoard(gameBoard, currentTetromino)) {
+      clearInterval(gameInterval);
+      alert('Game over!');
+      return;
+    }
+
+    nextTetromino.value = Object.values(Tetrominoes)[Math.floor(Math.random() * 7)];
+  }
+  
+  updateRender();
+  
+  if (tetrominoCollidesWithBoard(gameBoard, { ...currentTetromino, row: currentTetromino.row + 1})) {
+    gameBoard = mergeTetrominoWithBoard(gameBoard, currentTetromino);
+    currentTetromino = null;
+    return;
+  }
+
+  ++currentTetromino.row;
+};
+
+function startGame() {
+  gameInterval = setInterval(tick, 250);
+  nextTetromino.value = Object.values(Tetrominoes)[Math.floor(Math.random() * 7)];
+  gameInProgress = true;
+}
+
+document.addEventListener('keydown', event => {
+  event.preventDefault();
+  if (currentTetromino && event.key === 'r') {
+    if (!tetrominoCollidesWithBoard(gameBoard, { ...currentTetromino, rotation: (currentTetromino.rotation + 1) % 4})) {
+      currentTetromino!.rotation = (currentTetromino!.rotation + 1) % 4;
+    } 
+
+    updateRender();
+  }
+  if (currentTetromino && ['ArrowLeft', 'h'].includes(event.key)) {
+    if (!tetrominoCollidesWithBoard(gameBoard, { ...currentTetromino, col: currentTetromino.col - 1})) {
+      --currentTetromino.col;
+    }
+    
+    updateRender();
+  }
+  if (currentTetromino && ['ArrowRight', 'l'].includes(event.key)) {
+    if (!tetrominoCollidesWithBoard(gameBoard, { ...currentTetromino, col: currentTetromino.col + 1})) {
+      ++currentTetromino.col;
+    }
+    
+    updateRender();
+  }
+  if (currentTetromino && ['ArrowDown', 'j'].includes(event.key)) {
+    if (!tetrominoCollidesWithBoard(gameBoard, { ...currentTetromino, row: currentTetromino.row + 1})) {
+      ++currentTetromino.row;
+    }
+    
+    updateRender();
+  }
+});
+</script>
+
+<template>
+  <main>
+    <h1>Tetris</h1>
+    <button v-if="!gameInProgress" @click="startGame">Start game</button>
+    <div class="cols">
+      <div class="tetris-board">
+        <div v-for="(row, rowIndex) of renderBoard" class="tetris-row">
+          <div v-for="(col, colIndex) of row" class="tetris-cell"
+            :style="{ 'background-color': col ? `rgb(${Tetrominoes[col].color})` : 'white' }">
+
+          </div>
+        </div>
+      </div>
+      <div>
+        <p>Next up</p>
+        <div class="next-tetromino">
+          <div v-for="(row, rowIndex) of nextTetromino?.shapes[0]" class="tetris-row">
+            <div v-for="(col, colIndex) of row" class="tetris-cell"
+              :style="{ 'background-color': col ? `rgb(${nextTetromino?.color})` : 'white' }">
+
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+  </main>
+</template>
+
+<style scoped>
+.cols {
+  display: flex;
+  flex-direction: row;
+  gap: 20px;
+}
+
+.tetris-board {
+  width: calc(32px * 10);
+  height: calc(32px * 20);
+  border: 1px solid #dfdfdf;
+}
+
+.next-tetromino {
+  width: calc(32px * 4);
+  height: calc(32px * 4);
+}
+
+.tetris-row {
+  display: grid;
+  grid-template-columns: repeat(10, 1fr);
+}
+
+.tetris-cell {
+  width: 30px;
+  height: 30px;
+  border: 1px solid #dfdfdf;
+}
+</style>
\ No newline at end of file
diff --git a/frontend/src/main.ts b/frontend/src/main.ts
new file mode 100644
index 0000000..934b583
--- /dev/null
+++ b/frontend/src/main.ts
@@ -0,0 +1,11 @@
+import { createApp } from 'vue'
+import App from './App.vue'
+import router from './router'
+import TetrisBoard from './components/Board/TetrisBoard.vue'
+
+const app = createApp(App)
+
+app.use(router)
+app.component('TetrisBoard', TetrisBoard)
+
+app.mount('#app')
diff --git a/frontend/src/model/board.ts b/frontend/src/model/board.ts
new file mode 100644
index 0000000..c69befe
--- /dev/null
+++ b/frontend/src/model/board.ts
@@ -0,0 +1 @@
+export type Board = Array<Array<string | number>>;
\ No newline at end of file
diff --git a/frontend/src/model/tetrominoes.ts b/frontend/src/model/tetrominoes.ts
new file mode 100644
index 0000000..1d91c10
--- /dev/null
+++ b/frontend/src/model/tetrominoes.ts
@@ -0,0 +1,230 @@
+export type Tetromino = {
+  id: string;
+  shapes: Array<Array<Array<string | number>>>;
+  color: string;
+  rotation: number;
+  col: number;
+  row: number;
+  width: number;
+  height: number;
+};
+
+export const Tetrominoes: { [key: string]: Tetromino } = {
+  I: {
+    id: "I",
+    shapes: [
+      [
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+      ],
+      [
+        [0, 0, 0, 0],
+        ["I", "I", "I", "I"],
+        [0, 0, 0, 0],
+        [0, 0, 0, 0],
+      ],
+      [
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+        [0, "I", 0, 0],
+      ],
+      [
+        [0, 0, 0, 0],
+        ["I", "I", "I", "I"],
+        [0, 0, 0, 0],
+        [0, 0, 0, 0],
+      ],
+    ],
+    color: "80, 227, 230",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 4,
+    height: 4,
+  },
+  J: {
+    id: "J",
+    shapes: [
+      [
+        [0, "J", 0],
+        [0, "J", 0],
+        ["J", "J", 0],
+      ],
+      [
+        ["J", 0, 0],
+        ["J", "J", "J"],
+        [0, 0, 0],
+      ],
+      [
+        [0, "J", "J"],
+        [0, "J", 0],
+        [0, "J", 0],
+      ],
+      [
+        [0, 0, 0],
+        ["J", "J", "J"],
+        [0, 0, "J"],
+      ],
+    ],
+    color: "36, 95, 223",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 3,
+    height: 3,
+  },
+  L: {
+    id: "L",
+    shapes: [
+      [
+        [0, "L", 0],
+        [0, "L", 0],
+        [0, "L", "L"],
+      ],
+      [
+        [0, 0, 0],
+        ["L", "L", "L"],
+        ["L", 0, 0],
+      ],
+      [
+        ["L", "L", 0],
+        [0, "L", 0],
+        [0, "L", 0],
+      ],
+      [
+        [0, 0, "L"],
+        ["L", "L", "L"],
+        [0, 0, 0],
+      ],
+    ],
+    color: "223, 173, 36",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 3,
+    height: 3,
+  },
+  O: {
+    id: "O",
+    shapes: [
+      [
+        ["O", "O"],
+        ["O", "O"],
+      ],
+      [
+        ["O", "O"],
+        ["O", "O"],
+      ],
+      [
+        ["O", "O"],
+        ["O", "O"],
+      ],
+      [
+        ["O", "O"],
+        ["O", "O"],
+      ],
+    ],
+    color: "223, 217, 36",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 2,
+    height: 2,
+  },
+  S: {
+    id: "S",
+    shapes: [
+      [
+        [0, "S", "S"],
+        ["S", "S", 0],
+        [0, 0, 0],
+      ],
+      [
+        [0, "S", 0],
+        [0, "S", "S"],
+        [0, 0, "S"],
+      ],
+      [
+        [0, 0, 0],
+        [0, "S", "S"],
+        ["S", "S", 0],
+      ],
+      [
+        ["S", 0, 0],
+        ["S", "S", 0],
+        [0, "S", 0],
+      ],
+    ],
+    color: "48, 211, 56",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 3,
+    height: 3,
+  },
+  T: {
+    id: "T",
+    shapes: [
+      [
+        [0, 0, 0],
+        ["T", "T", "T"],
+        [0, "T", 0],
+      ],
+      [
+        [0, "T", 0],
+        ["T", "T", 0],
+        [0, "T", 0],
+      ],
+      [
+        [0, "T", 0],
+        ["T", "T", "T"],
+        [0, 0, 0],
+      ],
+      [
+        [0, "T", 0],
+        [0, "T", "T"],
+        [0, "T", 0],
+      ],
+    ],
+    color: "132, 61, 198",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 3,
+    height: 3,
+  },
+  Z: {
+    id: "Z",
+    shapes: [
+      [
+        ["Z", "Z", 0],
+        [0, "Z", "Z"],
+        [0, 0, 0],
+      ],
+      [
+        [0, 0, "Z"],
+        [0, "Z", "Z"],
+        [0, "Z", 0],
+      ],
+      [
+        [0, 0, 0],
+        ["Z", "Z", 0],
+        [0, "Z", "Z"],
+      ],
+      [
+        [0, "Z", 0],
+        ["Z", "Z", 0],
+        ["Z", 0, 0],
+      ],
+    ],
+    color: "227, 78, 78",
+    rotation: 0,
+    col: 0,
+    row: 0,
+    width: 3,
+    height: 3,
+  },
+};
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
new file mode 100644
index 0000000..e58491f
--- /dev/null
+++ b/frontend/src/router/index.ts
@@ -0,0 +1,15 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import HomeView from '../views/HomeView.vue'
+
+const router = createRouter({
+  history: createWebHistory(import.meta.env.BASE_URL),
+  routes: [
+    {
+      path: '/',
+      name: 'home',
+      component: HomeView
+    }
+  ]
+})
+
+export default router
diff --git a/frontend/src/util/tetris.ts b/frontend/src/util/tetris.ts
new file mode 100644
index 0000000..3547108
--- /dev/null
+++ b/frontend/src/util/tetris.ts
@@ -0,0 +1,40 @@
+import type { Board } from "@/model/board";
+import type { Tetromino } from "@/model/tetrominoes";
+
+export function mergeTetrominoWithBoard(board: Board, tetromino: Tetromino): Board {
+  return board.map((row, rowIndex) => {
+    if (rowIndex >= tetromino.row && rowIndex < tetromino.row + tetromino.shapes[tetromino.rotation].length) {
+      return row.map((col, colIndex) => {
+        if (colIndex >= tetromino.col && colIndex < tetromino.col + tetromino.shapes[tetromino.rotation][0].length) {
+          return tetromino.shapes[tetromino.rotation][rowIndex - tetromino.row][colIndex - tetromino.col] || col;
+        }
+        return col;
+      });
+    }
+    return row;
+  });
+}
+
+export function tetrominoCollidesWithBoard(board: Board, tetromino: Tetromino): boolean {
+  return tetromino.shapes[tetromino.rotation].some((row, rowIndex) => {
+    return row.some((col, colIndex) => {
+      if (col) {
+        const boardRow = board[rowIndex + tetromino.row];
+        if (!boardRow) {
+          return true;
+        }
+        const boardCol = boardRow[colIndex + tetromino.col];
+        if (boardCol) {
+          return true;
+        }
+        if (colIndex + tetromino.col < 0 || colIndex + tetromino.col >= boardRow.length) {
+          return true;
+        }
+        if (rowIndex + tetromino.row < 0 || rowIndex + tetromino.row >= board.length) {
+          return true;
+        }
+      }
+      return false;
+    });
+  });
+}
diff --git a/frontend/src/views/HomeView.vue b/frontend/src/views/HomeView.vue
new file mode 100644
index 0000000..09d319e
--- /dev/null
+++ b/frontend/src/views/HomeView.vue
@@ -0,0 +1,10 @@
+<script setup lang="ts">
+import type TetrisBoard from '../components/Board/TetrisBoard.vue';
+
+</script>
+
+<template>
+  <main>
+    <TetrisBoard></TetrisBoard>
+  </main>
+</template>
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