Epichna Pucalka

epichnapucalka/game.js

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+// Suzdavame promenlivi
+const enemyImg = tryToLoad("qshubgrem", "black");
+const back = tryToLoad("back", "white");
+const kufte = tryToLoad("kufte", "brown");
+const bullet = tryToLoad("bullet", "black");
+
+let enemies = [];
+const enemySize = 80;
+const bulletSize = 40;
+const startEnemyNum = 5;
+let bullets = [];
+let player;
+
+let lives = 10;
+let gameOver = false;
+let winReq = 20;
+let win = false;
+
+function init() {
+    // Kodut tuk se izpulnqva vednuj v nachaloto
+    player = {
+        x: canvas.width / 2,
+        y: canvas.height / 2,
+        ugul: 0,
+        moveplayer: function () {
+            this.x += 2 * Math.cos(this.ugul);
+            this.y += 2 * Math.sin(this.ugul);
+        },
+        movebackplayer: function () {
+            this.x -= 2 * Math.cos(this.ugul);
+            this.y -= 2 * Math.sin(this.ugul);
+        },
+        summonBullet: function () {
+            spawnBullet(this.x, this.y, 3 * Math.cos(this.ugul), 3 * Math.sin(this.ugul));
+        }
+    }
+    for (let i = 0; i < startEnemyNum; i++) {
+        summonQshu(generateenemycoord("x"), generateenemycoord("y"), 3, 3);
+    }
+}
+
+function update() {
+    // Kodut tuk se izpulnqva (okolo) 100 puti v sekunda
+    if (!gameOver || !win) {
+        if (randomInteger(100) === 5) {
+            summonQshu(generateenemycoord("x"), generateenemycoord("y"), 3, 3);
+        }
+        for (let i = 0; i < enemies.length; i++) {
+            enemies[i].moveenemy();
+
+            if (areColliding(enemies[i].x, enemies[i].y, enemySize, enemySize / 2, player.x, player.y, 60, 80)) {
+                killEnemy(i);
+                lives--;
+            }
+        }
+
+        if (isKeyPressed[87]) {
+            player.moveplayer();
+        }
+        if (isKeyPressed[65]) {
+            player.ugul -= 0.04;
+        }
+        if (isKeyPressed[68]) {
+            player.ugul += 0.04;
+        }
+        if (isKeyPressed[83]) {
+            player.movebackplayer();
+        }
+
+        for (let i = 0; i < bullets.length; i++) {
+            bullets[i].movebullet();
+
+            if (!areColliding(bullets[i].x, bullets[i].y, bulletSize, bulletSize, 0, 0, 800, 600)) {
+                killBullet(i);
+            }
+            for (let j = 0; j < enemies.length; j++) {
+                if (areColliding(bullets[i].x, bullets[i].y, bulletSize, bulletSize, enemies[j].x, enemies[j].y, enemySize, enemySize / 2)) {
+                    killBullet(i);
+                    killEnemy(j);
+                    winReq--;
+                }
+            }
+        }
+
+        if (lives <= 0) {
+            gameOver = true;
+        }
+
+        if (winReq <= 0) {
+            win = true;
+        }
+    }
+}
+
+function draw() {
+    if (!gameOver && !win) {
+        // Tuk naprogramirai kakvo da se risuva
+        drawImage(back, 0, 0, canvas.width, canvas.height);
+        drawImage(kufte, player.x, player.y, 60, 80);
+        for (let i = 0; i < enemies.length; i++) {
+            drawImage(enemyImg, enemies[i].x, enemies[i].y, enemySize, enemySize / 2);
+        }
+
+        for (let i = 0; i < bullets.length; i++) {
+            drawImage(bullet, bullets[i].x, bullets[i].y, bulletSize, bulletSize);
+        }
+
+        context.fillStyle = "Red";
+        context.font = "50px Tahoma";
+        context.fillText("Lives: " + lives, 0, 0);
+        context.fillText("Win: ("+(20-winReq) + "/20)", 250,0)
+    } else if(gameOver) {
+        context.fillStyle = "black";
+        context.fillRect(0, 0, 800, 600);
+        context.fillStyle = "white";
+        context.font = "50px Tahoma";
+        context.fillText("game over", 0, 0);
+    } else if(win) {
+        context.fillStyle = "black";
+        context.fillRect(0, 0, 800, 600);
+        context.fillStyle = "white";
+        context.font = "50px Tahoma";
+        context.fillText("win", 0, 0);
+    }
+}
+
+function mouseup() {
+    // Pri klik s lqv buton - pokaji koordinatite na mishkata
+    console.log("Mouse clicked at", mouseX, mouseY);
+}
+
+function keyup(key) {
+    // Pechatai koda na natisnatiq klavish
+    console.log("Pressed", key);
+    if (!gameOver || !win) {
+        if (key === 32) {
+            player.summonBullet();
+        }
+    } else {
+        if (key === 82) {
+            location.reload()
+        }
+    }
+}
+
+function summonQshu(x, y, dx, dy) {
+    enemies.push({
+        x: x,
+        y: y,
+        dx: dx,
+        dy: dy,
+        moveenemy: function () {
+            this.x = this.x + (player.x - this.x) / 250;
+            this.y = this.y + (player.y - this.y) / 250;
+        }
+    })
+}
+
+function generateenemycoord(type) {
+    let startX = randomInteger(800 - enemySize);
+    let startY = randomInteger(800 - enemySize);
+    while (areColliding(startX - 250, startY - 250, enemySize + 250, enemySize / 2 + 250, player.x - 50, player.y - 50, 60 + 50, 80 + 50)) {
+        startX = randomInteger(800 - enemySize);
+        startY = randomInteger(800 - enemySize);
+     }
+    if (type === "x") {
+        return startX
+    }
+    if (type === "y") {
+        return startY
+    }
+}
+
+function spawnBullet(x, y, dx, dy) {
+    bullets.push({
+        x: x,
+        y: y,
+        dx: dx,
+        dy: dy,
+        movebullet: function () {
+            this.x += this.dx;
+            this.y += this.dy;
+        }
+    })
+}
+
+function killBullet(bulletIndex) {
+    bullets.splice(bulletIndex, 1);
+}
+
+function killEnemy(enemyIndex) {
+    enemies.splice(enemyIndex, 1);
+}