basic railgun

src/classes/game/Projectile.ts

@@ -64,7 +64,7 @@ export default class Projectile extends GameObject {
 
     public update(elapsedMS) {
         if (this.deleteMe) return;
-        if (this.x > 2000 || this.x < 0 || this.y > 2000 || this.y < 0 || this.pierce <= 0 || this.timeToLive <= 0)
+        if (this.x > 1720 || this.x < 0 || this.y > 2000 || this.y < 0 || this.pierce <= 0 || this.timeToLive <= 0)
             return this.destroy();
         this.timeToLive -= Engine.GameScene.gameSpeedMultiplier;
         Engine.Grid.creeps.forEach((creep) => {
@@ -105,6 +105,54 @@ export default class Projectile extends GameObject {
     }
 }
 
+export class RailProjectile extends Projectile {
+    public visuals: PIXI.Sprite[] = [];
+    public counter: number = 0;
+    constructor(
+        x,
+        y,
+        textures,
+        angle,
+        damage,
+        tint,
+        timeToLive,
+        pierce,
+        gemResistanceModifications: CreepResistancesDefinition
+    ) {
+        super(x, y, textures, angle, damage, tint, timeToLive, pierce, gemResistanceModifications);
+        this.pierce = 1000;
+        this.timeToLive = 2000;
+    }
+
+    public destroy(): void {
+        super.destroy();
+        this.visuals.forEach((visual) => visual.destroy());
+        this.visuals = [];
+    }
+    public update(elapsedMS) {
+        super.update(elapsedMS);
+        if (this.counter == 2) {
+            this.counter = 0;
+            let newVisual = new PIXI.Sprite({
+                x: this.x,
+                y: this.y,
+                rotation: this.angle,
+                texture: this.sprite.texture,
+                scale: 0.25,
+            });
+            newVisual.anchor.set(0.5, 0.5);
+            this.visuals.push(newVisual);
+            this.visuals.forEach((visual) => {
+                visual.width -= 4;
+                visual.height -= 4;
+                visual.alpha -= 0.05;
+                if (visual.width <= 0 && visual.height <= 0) visual.destroy();
+            });
+            Engine.GameScene.stage.addChild(newVisual);
+        } else this.counter++;
+    }
+}
+
 export class VisualLightning extends GameObject {
     public deleteMe: boolean = false;
     private c: Creep;

src/classes/game/Tower.ts

@@ -4,7 +4,7 @@ import GameObject from '../GameObject';
 import { CreepResistancesDefinition, TowerDefinition } from '../Definitions';
 import { Cell } from './Grid';
 import { TowerBehaviours } from './TowerManager';
-import Projectile from './Projectile';
+import Projectile, { RailProjectile } from './Projectile';
 import Gem from './Gem';
 import {
     DebuffTowerBehaviour,
@@ -132,7 +132,10 @@ export class Tower extends GameObject {
             }
             combinedTint = color;
         }
-        let proj = new Projectile(
+
+        let proj;
+        if (this.behaviour == TowerBehaviours.RailTowerBehaviour) {
+            proj = new RailProjectile(
                 x,
                 y,
                 this.definition.projectileTextures,
@@ -143,7 +146,20 @@ export class Tower extends GameObject {
                 this.computedPierce,
                 this.totalGemResistanceModifications
             );
-        const time = new Date().toISOString();
+        } else {
+            proj = new Projectile(
+                x,
+                y,
+                this.definition.projectileTextures,
+                angle,
+                this.computedDamageToDeal,
+                combinedTint,
+                this.computedTimeToLive,
+                this.computedPierce,
+                this.totalGemResistanceModifications
+            );
+        }
+        // const time = new Date().toISOString();
         // console.log(`${time} ${this.definition.name} shot at ${angle} degrees`);
         this.projectiles.push(proj);
         return proj;