Add Asteroid game

2021-06-08 21:23:21 -05:00
parent 791b4e02d6
commit f7bc97cd57
7 changed files with 514 additions and 0 deletions
--- a/3/3.4.1/spaceship.js
+++ b/3/3.4.1/spaceship.js
@ -0,0 +1,88 @@
+class Spaceship {
+  constructor(lives) {
+    this.velocity = new createVector(0, 0);
+    this.location = new createVector(width / 2, height / 2);
+    this.acceleration = new createVector(0, 0);
+    this.maxVelocity = 5;
+    this.bulletSys = new BulletSystem();
+    this.size = 50;
+    this.lives = lives;
+    this.score = 0;
+  }
+
+  die() {
+    this.lives -= 1;
+  }
+
+  respawn() {
+    this.velocity = new createVector(0, 0);
+    this.location = new createVector(width / 2, height / 2);
+    this.acceleration = new createVector(0, 0);
+    this.bulletSys = new BulletSystem();
+  }
+
+  run() {
+    this.bulletSys.run();
+    this.draw();
+    this.move();
+    this.edges();
+    this.interaction();
+  }
+
+  draw() {
+    fill(125);
+    triangle(
+      this.location.x - this.size / 2,
+      this.location.y + this.size / 2,
+      this.location.x + this.size / 2,
+      this.location.y + this.size / 2,
+      this.location.x,
+      this.location.y - this.size / 2
+    );
+  }
+
+  move() {
+    let diff = this.velocity.add(this.acceleration);
+    this.velocity.add(this.acceleration);
+    this.velocity.limit(this.maxVelocity);
+    this.location.add(this.velocity);
+    this.acceleration.mult(0);
+  }
+
+  applyForce(f) {
+    this.acceleration.add(f);
+  }
+
+  interaction() {
+    if (keyIsDown(LEFT_ARROW)) {
+      this.applyForce(createVector(-0.1, 0));
+    }
+    if (keyIsDown(RIGHT_ARROW)) {
+      this.applyForce(createVector(0.1, 0));
+    }
+    if (keyIsDown(UP_ARROW)) {
+      this.applyForce(createVector(0, -0.1));
+    }
+    if (keyIsDown(DOWN_ARROW)) {
+      this.applyForce(createVector(0, 0.1));
+    }
+  }
+
+  fire() {
+    this.bulletSys.fire(this.location.x, this.location.y);
+  }
+
+  edges() {
+    if (this.location.x < 0) this.location.x = width;
+    else if (this.location.x > width) this.location.x = 0;
+    else if (this.location.y < 0) this.location.y = height;
+    else if (this.location.y > height) this.location.y = 0;
+  }
+
+  setNearEarth() {
+    //YOUR CODE HERE (6 lines approx)
+    this.applyForce(new createVector(0, 0.05));
+    let friction = this.velocity.copy().mult(-1/30);
+    this.applyForce(friction);
+  }
+}