Add and remove structure with outline

2025-03-10 23:16:42 -07:00
parent f52f82b867
commit 67e3f6fecc
12 changed files with 369 additions and 153 deletions
@@ -0,0 +1,82 @@
+import { MolangVariableMap, system, world } from "@minecraft/server";
+import { Vector } from "../lib/Vector";
+
+const drawFrequency = 8;
+const drawParticle = "minecraft:villager_happy";
+
+export class Outliner {
+    dimension;
+    min = new Vector();
+    max = new Vector();
+    #shouldDraw = true;
+
+    #drawParticles = [];
+    #runner = null;
+
+    constructor(dimension, min, max) {
+        this.dimension = world.getDimension(dimension);
+        this.min = new Vector(min.x, min.y, min.z);
+        this.max = new Vector(max.x, max.y, max.z);
+    }
+
+    startDraw() {
+        this.#shouldDraw = true;
+        this.#runner = system.runInterval(() => this.draw(), drawFrequency);
+    }
+
+    stopDraw() {
+        system.clearRun(this.#runner);
+        this.shouldDraw = false;
+    }
+
+    draw() {
+        if (!this.#shouldDraw) return;
+        this.#drawParticles.length = 0;
+        this.#drawParticles.push(...this.getCubiodParticleLocations());
+
+        for (const [particleType, location] of this.#drawParticles) {
+            try {
+                this.dimension.spawnParticle(particleType, location);
+            } catch {
+                /* pass */
+            }
+        }
+    }
+
+    getCubiodParticleLocations() {
+        const vertices = [
+            new Vector(this.min.x, this.min.y, this.min.z),
+            new Vector(this.max.x, this.min.y, this.min.z),
+            new Vector(this.min.x, this.max.y, this.min.z),
+            new Vector(this.max.x, this.max.y, this.min.z),
+            new Vector(this.min.x, this.min.y, this.max.z),
+            new Vector(this.max.x, this.min.y, this.max.z),
+            new Vector(this.min.x, this.max.y, this.max.z),
+            new Vector(this.max.x, this.max.y, this.max.z)
+        ];
+        const edges = [
+            [0, 1],
+            [0, 2],
+            [0, 4],
+            [1, 3],
+            [1, 5],
+            [2, 3],
+            [2, 6],
+            [3, 7],
+            [4, 5],
+            [4, 6],
+            [5, 7],
+            [6, 7]
+        ];
+        const edgePoints = [];
+        for (const edge of edges) {
+            const [startVertex, endVertex] = [vertices[edge[0]], vertices[edge[1]]];
+            const resolution = Math.min(Math.floor(endVertex.subtract(startVertex).length), 16);
+            for (let i = 1; i < resolution; i++) {
+                const t = i / resolution;
+                edgePoints.push(startVertex.lerp(endVertex, t));
+            }
+        }
+        return vertices.concat(edgePoints).map((v) => [drawParticle, v]);
+    }
+}