Added documentation and cleaned up code

web/js/basicbullet.js

@@ -1,5 +1,6 @@
 class bullet {
     constructor(targetx, targety, radius, speed, shotPosX, shotPosY, hasMoved, angle) {  // Add hasMoved parameter
+        // add all incoming variables to the class
         this.angle = radians(angle);
         this.targetx = targetx;
         this.targety = targety;
@@ -10,20 +11,22 @@ class bullet {
         this.bulletHit = false;
         this.directionX = null;
         this.directionY = null;
+        this.hasMoved = hasMoved;
+        // Set a variable that cant be changed
         if ((this.directionX === null) || (this.directionY === null)) {
             this.directionX = this.targetx;
             this.directionY = this.targety;
         }
-      this.hasMoved = hasMoved;  // Set this.hasMoved to the value of hasMoved
-
+        // create a vector for the projectile and the direction
         this.projectile = createVector(this.x, this.y);
         this.direction = createVector(this.targetx - this.projectile.x, this.targety - this.projectile.y);
         this.direction.normalize();
-
+        // rotate the direction towards the player
         this.direction.rotate(this.angle);
     }
 
     draw() {
+        //draw the bullet
         push();
         fill(0, 255, 0);
         circle(this.projectile.x, this.projectile.y, this.radius);
@@ -31,27 +34,33 @@ class bullet {
     }
 
     update(targetx, targety) {
+        // keeps the projetile updated so hit collision can be checked
         this.targetx = targetx;
         this.targety = targety;
+        // update the projectile
         this.projectile.add(p5.Vector.mult(this.direction, this.speed));
 
         let hit = false;
         let shot = true;
-
+        // check if the projectile has hit the player
         if (dist(this.projectile.x, this.projectile.y, this.targetx, this.targety) <= this.radius) {
             hit = true;
             shot = false;
+            // if the projectile has hit the player and the player has lives left, remove a life
             if (this.hasMoved && lives != 0 && this.bulletHit == false) {
                 this.bulletHit = true;
                 lives -= 1;
             }
+            //if the bullet hits one of the wall reset the shot variable so a new wave of bullets can be fired
         } else if (this.projectile.x < 0 - 10 || this.projectile.x > width + 10 || this.projectile.y < 0 - 10 || this.projectile.y > height + 10) {
             shot = false;
         }
+        // check if the projectile is off screen so it can be removed
         let isOffScreen = this.projectile.x < 0 || this.projectile.x > width || this.projectile.y < 0 || this.projectile.y > height;
+        //unused variable to check if the projetile passsed the original player position when it was fired
         let originalPos = this.projectile.x == this.targetx || this.projectile.y == this.targety;
 
-
-      return { hit, shot, isOffScreen, originalPos};
+        // return all the variables
+        return { hit, shot, isOffScreen, originalPos };
     }
 }