workspaces folders

webclient/src/utils/graphics/voxelGroup.ts

@@ -0,0 +1,20 @@
+import type { ObjectType, VoxelGroup, VoxelType } from "../../types";
+
+export function getObjectVoxelGroups(
+    object: ObjectType,
+    voxelTypes: Record<string, VoxelType>,
+): VoxelGroup[] {
+    const map = new Map<string, VoxelGroup>();
+    for (const idx in object.voxels) {
+        const v = object.voxels[idx];
+        const vt = voxelTypes[v.typeId];
+        const color = (v.color ?? vt?.color) ?? 'white';
+        const opacity = (v.opacity ?? vt?.opacity) ?? 1;
+        const key = `${color}-${opacity}`;
+        if (!map.has(key))
+            map.set(key, { id: key, color, opacity, positions: [] });
+        const p = v.position;
+        map.get(key)!.positions.push([p[0] + 0.5, p[1] + 0.5, p[2] + 0.5]);
+    }
+    return [...map.values()];
+}