Init

scripts/Commandeer/trail/trailEngine.ts

@@ -0,0 +1,80 @@
+import { MolangVariableMap, Vector3, world } from "@minecraft/server";
+import { Vector3Add } from "../utils/vectorUtils";
+import { TrailType } from "./trailTypes";
+
+class TrailPoint {
+  postion: Vector3;
+  index: number;
+
+  constructor(position: Vector3, index: number) {
+    this.postion = position;
+    this.index = index;
+  }
+
+  spawn() {
+    let spawnPosition: Vector3 = Vector3Add(this.postion, { x: 0.5, y: 0.5, z: 0.5 });
+    try {
+      world
+        .getDimension("overworld")
+        .spawnParticle("minecraft:balloon_gas_particle", spawnPosition, new MolangVariableMap());
+    } catch (e) {}
+
+    
+  }
+}
+
+class Trail {
+  id: string;
+  points: TrailPoint[] = [];
+  currentPoint: number = 0;
+  nextParticleTimer: number = 0;
+  currentParticleCounter: number = 0;
+
+  calculatedLength: number = 0;
+  constructor(id: string, nextParticleTimer: number = 5) {
+    this.id = id;
+    this.nextParticleTimer = nextParticleTimer;
+  }
+
+  addPoint(point: TrailPoint) {
+    this.points.push(point);
+
+    //this could be a one liner,
+    let maxlength: number = 0;
+    this.points.forEach((point) => {
+      if (point.index > maxlength) {
+        maxlength = point.index;
+      }
+    });
+    this.calculatedLength = maxlength;
+  }
+
+  fromTrail(trail: TrailType) {
+    trail.points.forEach((point) => {
+      this.addPoint(new TrailPoint(point.position, point.index));
+    });
+  }
+
+  spawnNext() {
+    if (this.currentParticleCounter >= this.nextParticleTimer) {
+      this.currentParticleCounter = 0;
+
+      this.points
+        .filter((point) => {
+          return point.index === this.currentPoint;
+        })
+        .forEach((point) => {
+          point.spawn();
+        });
+
+      this.currentPoint++;
+      if (this.currentPoint >= this.calculatedLength) {
+        this.currentPoint = 0;
+      }
+    } else {
+      this.currentParticleCounter++;
+    }
+  }
+}
+
+export { Trail, TrailPoint };

scripts/Commandeer/trail/trailTypes.ts

@@ -0,0 +1,13 @@
+import { Vector3 } from "@minecraft/server";
+
+type TrailPointType = {
+  index: number;
+  position: Vector3;
+};
+
+type TrailType = {
+  name: string;
+  points: TrailPointType[];
+};
+
+export { TrailPointType, TrailType };