game

src/views/HomeView.vue

@@ -2,7 +2,56 @@
 import { ref } from 'vue'
 import CoverImage from '@/assets/cover01.jpg'
 
+// show cover image
 const firstLoad = ref(true)
+// random pokemon of the first generation (No 1 to 151)
+const randomPokemon = ref([...Array(10)].map(() => Math.round(Math.random() * 151)))
+// four rows with five cards each
+const randomCards = ref([...Array(20)])
+// uncovered cards
+const flippedCards = ref([...Array(20)].map(() => false))
+// currently shown card
+const flippedTemp = ref(-1)
+const flippedTemp2 = ref(-1)
+
+// fill cards array with random pairs of pokemon
+for (let i = 0, j = 0; i < 20; i += 2, j++) {
+  randomCards.value[i] = randomPokemon.value[j]
+  randomCards.value[i + 1] = randomPokemon.value[j]
+}
+// randomize cards
+randomCards.value.sort(() => Math.random() - 0.5)
+
+function flip(i: number): void {
+  if (flippedTemp.value === -1) {
+    flippedTemp.value = i
+  } else if (flippedTemp2.value === -1) {
+    flippedTemp2.value = i
+
+    setTimeout(() => {
+      flippedTemp.value = -1
+      flippedTemp2.value = -1
+    }, 500)
+  }
+
+  const pokemon1 = randomCards.value[flippedTemp.value]
+  const pokemon2 = randomCards.value[flippedTemp2.value]
+
+  if (pokemon1 === pokemon2) {
+    flippedCards.value[flippedTemp.value] = true
+    flippedCards.value[flippedTemp2.value] = true
+  }
+}
+
+function restart() {
+  randomPokemon.value = [...Array(10)].map(() => Math.round(Math.random() * 151))
+
+  for (let i = 0, j = 0; i < 20; i += 2, j++) {
+    randomCards.value[i] = randomPokemon.value[j]
+    randomCards.value[i + 1] = randomPokemon.value[j]
+  }
+  randomCards.value.sort(() => Math.random() - 0.5)
+}
 </script>
 
 <template>
@@ -10,12 +59,18 @@ const firstLoad = ref(true)
     id="cover"
     @click="firstLoad = false"
   >
-    click anywhere to start
+    <button>click anywhere to start</button>
   </div>
 
-  <div v-else>
+  <ol v-else>
-    ... game not yet implemented ...
+    <li v-for="card,i in randomCards"
-  </div>
+      @click="flip(i)"
+      :class="{ flipped: flippedCards[i] || flippedTemp === i || flippedTemp2 === i }"
+      :style="{ backgroundImage: `url(https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/other/official-artwork/${card}.png)` }"
+    >
+      &nbsp;
+    </li>
+  </ol>
 </template>
 
 <style scoped>
@@ -34,4 +89,32 @@ const firstLoad = ref(true)
   text-shadow: 0 0 5px white;
   cursor: pointer;
 }
+ol {
+  list-style: none;
+  display: flex;
+  flex-flow: row wrap;
+  width: 900px;
+  height: 720px;
+  padding: 0;
+  border: 1px solid white;
+  background-color: #222;
+}
+li {
+  width: 176px;
+  height: 176px;
+  background: #111;
+  border: 2px solid #222;
+  background-color: black;
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 0;
+  transform: rotateX(180deg);
+  background-color: #111;
+  transition: transform .3s ease;
+}
+li.flipped {
+  transform: rotateX(0deg);
+  transform-origin: center;
+  background-size: contain;
+}
 </style>