File size: 1,761 Bytes
970fc3e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | import * as THREE from "three";
function createTriggerRegionLayer(world) {
const root = new THREE.Group();
world.add(root);
let key = "";
const outlines = /* @__PURE__ */ new Map();
return {
frame(scene, { editing = false, states = [] } = {}) {
const regions = scene.triggerRegions || [], next = JSON.stringify(regions);
if (next !== key) {
key = next;
for (const m of outlines.values()) {
m.traverse((o) => {
o.geometry?.dispose();
o.material?.dispose();
});
}
root.clear();
outlines.clear();
for (const r of regions) {
const m = new THREE.LineLoop(new THREE.BufferGeometry().setFromPoints(r.points.map(([x, z]) => new THREE.Vector3(x, r.floorY + 0.018, z))), new THREE.LineBasicMaterial({ color: 10127071, toneMapped: false }));
const shape = new THREE.Shape(r.points.map(([x, z]) => new THREE.Vector2(x, z))), fill = new THREE.Mesh(new THREE.ShapeGeometry(shape), new THREE.MeshBasicMaterial({ color: 10127071, transparent: true, opacity: 0.12, side: THREE.DoubleSide, depthWrite: false, toneMapped: false }));
fill.rotation.x = Math.PI / 2;
fill.position.y = r.floorY + 0.012;
m.add(fill);
root.add(m);
outlines.set(r.id, m);
}
}
for (const [id, m] of outlines) {
const related = states.filter((s) => s.regionId === id);
m.visible = editing || related.length > 0;
m.material.color.set(related.some((s) => s.fired) ? 6473113 : related.some((s) => s.inside) ? 16764784 : 10127071);
for (const child of m.children) child.material.color.copy(m.material.color);
}
}
};
}
export {
createTriggerRegionLayer
};
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