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@@ -3,7 +3,259 @@
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require('./src/pathfinding');
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-},{"./src/pathfinding":8}],2:[function(require,module,exports){
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+},{"./src/pathfinding":2}],2:[function(require,module,exports){
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+'use strict';
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+
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+require('./nav-mesh');
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+require('./nav-agent');
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+require('./system');
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+
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+},{"./nav-agent":3,"./nav-mesh":4,"./system":5}],3:[function(require,module,exports){
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+'use strict';
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+
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+module.exports = AFRAME.registerComponent('nav-agent', {
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+ schema: {
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+ destination: { type: 'vec3' },
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+ active: { default: false },
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+ speed: { default: 2 }
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+ },
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+ init: function init() {
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+ this.system = this.el.sceneEl.systems.nav;
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+ this.system.addAgent(this);
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+ this.group = null;
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+ this.path = [];
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+ this.raycaster = new THREE.Raycaster();
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+ },
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+ remove: function remove() {
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+ this.system.removeAgent(this);
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+ },
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+ update: function update() {
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+ this.path.length = 0;
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+ },
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+ updateNavLocation: function updateNavLocation() {
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+ this.group = null;
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+ this.path = [];
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+ },
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+ tick: function () {
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+ var vDest = new THREE.Vector3();
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+ var vDelta = new THREE.Vector3();
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+ var vNext = new THREE.Vector3();
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+
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+ return function (t, dt) {
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+ var el = this.el;
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+ var data = this.data;
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+ var raycaster = this.raycaster;
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+ var speed = data.speed * dt / 1000;
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+
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+ if (!data.active) return;
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+
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+ // Use PatrolJS pathfinding system to get shortest path to target.
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+ if (!this.path.length) {
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+ var position = this.el.object3D.position;
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+ this.group = this.group || this.system.getGroup(position);
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+ this.path = this.system.getPath(position, vDest.copy(data.destination), this.group) || [];
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+ el.emit('nav-start');
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+ }
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+
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+ // If no path is found, exit.
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+ if (!this.path.length) {
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+ console.warn('[nav] Unable to find path to %o.', data.destination);
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+ this.el.setAttribute('nav-agent', { active: false });
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+ el.emit('nav-end');
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+ return;
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+ }
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+
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+ // Current segment is a vector from current position to next waypoint.
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+ var vCurrent = el.object3D.position;
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+ var vWaypoint = this.path[0];
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+ vDelta.subVectors(vWaypoint, vCurrent);
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+
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+ var distance = vDelta.length();
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+ var gazeTarget = void 0;
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+
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+ if (distance < speed) {
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+ // If <1 step from current waypoint, discard it and move toward next.
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+ this.path.shift();
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+
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+ // After discarding the last waypoint, exit pathfinding.
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+ if (!this.path.length) {
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+ this.el.setAttribute('nav-agent', { active: false });
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+ el.emit('nav-end');
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+ return;
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+ }
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+
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+ vNext.copy(vCurrent);
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+ gazeTarget = this.path[0];
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+ } else {
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+ // If still far away from next waypoint, find next position for
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+ // the current frame.
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+ vNext.copy(vDelta.setLength(speed)).add(vCurrent);
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+ gazeTarget = vWaypoint;
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+ }
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+
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+ // Look at the next waypoint.
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+ gazeTarget.y = vCurrent.y;
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+ el.object3D.lookAt(gazeTarget);
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+
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+ // Raycast against the nav mesh, to keep the agent moving along the
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+ // ground, not traveling in a straight line from higher to lower waypoints.
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+ raycaster.ray.origin.copy(vNext);
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+ raycaster.ray.origin.y += 1.5;
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+ raycaster.ray.direction.y = -1;
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+ var intersections = raycaster.intersectObject(this.system.getNavMesh());
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+
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+ if (!intersections.length) {
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+ // Raycasting failed. Step toward the waypoint and hope for the best.
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+ vCurrent.copy(vNext);
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+ } else {
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+ // Re-project next position onto nav mesh.
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+ vDelta.subVectors(intersections[0].point, vCurrent);
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+ vCurrent.add(vDelta.setLength(speed));
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+ }
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+ };
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+ }()
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+});
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+
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+},{}],4:[function(require,module,exports){
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+'use strict';
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+
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+/**
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+ * nav-mesh
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+ *
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+ * Waits for a mesh to be loaded on the current entity, then sets it as the
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+ * nav mesh in the pathfinding system.
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+ */
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+
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+module.exports = AFRAME.registerComponent('nav-mesh', {
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+ init: function init() {
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+ this.system = this.el.sceneEl.systems.nav;
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+ this.hasLoadedNavMesh = false;
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+ this.el.addEventListener('model-loaded', this.loadNavMesh.bind(this));
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+ },
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+
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+ play: function play() {
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+ if (!this.hasLoadedNavMesh) this.loadNavMesh();
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+ },
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+
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+ loadNavMesh: function loadNavMesh() {
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+ var object = this.el.getObject3D('mesh');
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+ var scene = this.el.sceneEl.object3D;
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+
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+ if (!object) return;
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+
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+ var navMesh = void 0;
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+ object.traverse(function (node) {
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+ if (node.isMesh) navMesh = node;
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+ });
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+
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+ if (!navMesh) return;
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+
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+ var navMeshGeometry = navMesh.geometry.isBufferGeometry ? new THREE.Geometry().fromBufferGeometry(navMesh.geometry) : navMesh.geometry.clone();
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+
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+ scene.updateMatrixWorld();
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+ navMeshGeometry.applyMatrix(navMesh.matrixWorld);
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+ this.system.setNavMeshGeometry(navMeshGeometry);
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+
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+ this.hasLoadedNavMesh = true;
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+ }
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+});
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+
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+},{}],5:[function(require,module,exports){
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+'use strict';
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+
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+var Path = require('three-pathfinding');
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+
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+var pathfinder = new Path();
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+var ZONE = 'level';
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+
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+/**
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+ * nav
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+ *
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+ * Pathfinding system, using PatrolJS.
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+ */
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+module.exports = AFRAME.registerSystem('nav', {
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+ init: function init() {
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+ this.navMesh = null;
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+ this.agents = new Set();
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+ },
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+
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+ /**
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+ * @param {THREE.Geometry} geometry
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+ */
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+ setNavMeshGeometry: function setNavMeshGeometry(geometry) {
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+ this.navMesh = new THREE.Mesh(geometry);
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+ pathfinder.setZoneData(ZONE, Path.createZone(geometry));
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+ Array.from(this.agents).forEach(function (agent) {
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+ return agent.updateNavLocation();
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+ });
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+ },
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+
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+ /**
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+ * @return {THREE.Mesh}
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+ */
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+ getNavMesh: function getNavMesh() {
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+ return this.navMesh;
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+ },
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+
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+ /**
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+ * @param {NavAgent} ctrl
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+ */
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+ addAgent: function addAgent(ctrl) {
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+ this.agents.add(ctrl);
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+ },
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+
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+ /**
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+ * @param {NavAgent} ctrl
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+ */
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+ removeAgent: function removeAgent(ctrl) {
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+ this.agents.delete(ctrl);
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+ },
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+
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+ /**
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+ * @param {THREE.Vector3} start
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+ * @param {THREE.Vector3} end
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+ * @param {number} groupID
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+ * @return {Array<THREE.Vector3>}
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+ */
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+ getPath: function getPath(start, end, groupID) {
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+ return pathfinder.findPath(start, end, ZONE, groupID);
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+ },
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+
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+ /**
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+ * @param {THREE.Vector3} position
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+ * @return {number}
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+ */
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+ getGroup: function getGroup(position) {
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+ return pathfinder.getGroup(ZONE, position);
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+ },
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+
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+ /**
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+ * @param {THREE.Vector3} position
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+ * @param {number} groupID
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+ * @return {Node}
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+ */
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+ getNode: function getNode(position, groupID) {
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+ return pathfinder.getClosestNode(position, ZONE, groupID, true);
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+ },
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+
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+ /**
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+ * @param {THREE.Vector3} start Starting position.
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+ * @param {THREE.Vector3} end Desired ending position.
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+ * @param {number} groupID
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+ * @param {Node} node
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+ * @param {THREE.Vector3} endTarget (Output) Adjusted step end position.
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+ * @return {Node} Current node, after step is taken.
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+ */
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+ clampStep: function clampStep(start, end, groupID, node, endTarget) {
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+ if (!this.navMesh || !node) {
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+ endTarget.copy(end);
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+ return this.navMesh ? this.getNode(end, groupID) : null;
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+ }
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+ return pathfinder.clampStep(start, end, node, ZONE, groupID, endTarget);
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+ }
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+});
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+
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+},{"three-pathfinding":10}],6:[function(require,module,exports){
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -148,7 +400,7 @@ var AStar = function () {
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module.exports = AStar;
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-},{"./BinaryHeap":3,"./utils.js":7}],3:[function(require,module,exports){
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+},{"./BinaryHeap":7,"./utils.js":11}],7:[function(require,module,exports){
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"use strict";
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -302,7 +554,7 @@ var BinaryHeap = function () {
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module.exports = BinaryHeap;
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-},{}],4:[function(require,module,exports){
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+},{}],8:[function(require,module,exports){
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -528,7 +780,7 @@ var Builder = function () {
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module.exports = Builder;
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-},{"./utils":7}],5:[function(require,module,exports){
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+},{"./utils":11}],9:[function(require,module,exports){
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -639,7 +891,7 @@ var Channel = function () {
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module.exports = Channel;
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-},{"./utils":7}],6:[function(require,module,exports){
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+},{"./utils":11}],10:[function(require,module,exports){
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -944,7 +1196,7 @@ var Node = {}; // jshint ignore:line
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module.exports = Path;
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-},{"./AStar":2,"./Builder":4,"./Channel":5,"./utils":7}],7:[function(require,module,exports){
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+},{"./AStar":6,"./Builder":8,"./Channel":9,"./utils":11}],11:[function(require,module,exports){
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'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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@@ -1278,239 +1530,4 @@ var Utils = function () {
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module.exports = Utils;
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-},{}],8:[function(require,module,exports){
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-'use strict';
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-
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-require('./nav-mesh');
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-require('./nav-agent');
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-require('./system');
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-
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-},{"./nav-agent":9,"./nav-mesh":10,"./system":11}],9:[function(require,module,exports){
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-'use strict';
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-
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-module.exports = AFRAME.registerComponent('nav-agent', {
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- schema: {
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- destination: { type: 'vec3' },
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- active: { default: false },
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- speed: { default: 2 }
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- },
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- init: function init() {
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- this.system = this.el.sceneEl.systems.nav;
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- this.system.addAgent(this);
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- this.group = null;
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- this.path = [];
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- this.raycaster = new THREE.Raycaster();
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- },
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- remove: function remove() {
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- this.system.removeAgent(this);
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- },
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- update: function update() {
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- this.path.length = 0;
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- },
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- tick: function () {
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- var vDest = new THREE.Vector3();
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- var vDelta = new THREE.Vector3();
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- var vNext = new THREE.Vector3();
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-
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- return function (t, dt) {
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- var el = this.el;
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- var data = this.data;
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- var raycaster = this.raycaster;
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- var speed = data.speed * dt / 1000;
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-
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- if (!data.active) return;
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-
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- // Use PatrolJS pathfinding system to get shortest path to target.
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- if (!this.path.length) {
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- var position = this.el.object3D.position;
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- this.group = this.group || this.system.getGroup(position);
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- this.path = this.system.getPath(position, vDest.copy(data.destination), this.group);
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- this.path = this.path || [];
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- el.emit('nav-start');
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- }
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-
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- // If no path is found, exit.
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- if (!this.path.length) {
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- console.warn('[nav] Unable to find path to %o.', data.destination);
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- this.el.setAttribute('nav-agent', { active: false });
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- el.emit('nav-end');
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- return;
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- }
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-
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- // Current segment is a vector from current position to next waypoint.
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- var vCurrent = el.object3D.position;
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- var vWaypoint = this.path[0];
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- vDelta.subVectors(vWaypoint, vCurrent);
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-
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- var distance = vDelta.length();
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- var gazeTarget = void 0;
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-
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- if (distance < speed) {
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- // If <1 step from current waypoint, discard it and move toward next.
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- this.path.shift();
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-
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- // After discarding the last waypoint, exit pathfinding.
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- if (!this.path.length) {
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- this.el.setAttribute('nav-agent', { active: false });
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- el.emit('nav-end');
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- return;
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- } else {
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- gazeTarget = this.path[0];
|
|
|
- }
|
|
|
- } else {
|
|
|
- // If still far away from next waypoint, find next position for
|
|
|
- // the current frame.
|
|
|
- vNext.copy(vDelta.setLength(speed)).add(vCurrent);
|
|
|
- gazeTarget = vWaypoint;
|
|
|
- }
|
|
|
-
|
|
|
- // Look at the next waypoint.
|
|
|
- gazeTarget.y = vCurrent.y;
|
|
|
- el.object3D.lookAt(gazeTarget);
|
|
|
-
|
|
|
- // Raycast against the nav mesh, to keep the agent moving along the
|
|
|
- // ground, not traveling in a straight line from higher to lower waypoints.
|
|
|
- raycaster.ray.origin.copy(vNext);
|
|
|
- raycaster.ray.origin.y += 1.5;
|
|
|
- raycaster.ray.direction.y = -1;
|
|
|
- var intersections = raycaster.intersectObject(this.system.getNavMesh());
|
|
|
-
|
|
|
- if (!intersections.length) {
|
|
|
- // Raycasting failed. Step toward the waypoint and hope for the best.
|
|
|
- vCurrent.copy(vNext);
|
|
|
- } else {
|
|
|
- // Re-project next position onto nav mesh.
|
|
|
- vDelta.subVectors(intersections[0].point, vCurrent);
|
|
|
- vCurrent.add(vDelta.setLength(speed));
|
|
|
- }
|
|
|
- };
|
|
|
- }()
|
|
|
-});
|
|
|
-
|
|
|
-},{}],10:[function(require,module,exports){
|
|
|
-'use strict';
|
|
|
-
|
|
|
-/**
|
|
|
- * nav-mesh
|
|
|
- *
|
|
|
- * Waits for a mesh to be loaded on the current entity, then sets it as the
|
|
|
- * nav mesh in the pathfinding system.
|
|
|
- */
|
|
|
-
|
|
|
-module.exports = AFRAME.registerComponent('nav-mesh', {
|
|
|
- init: function init() {
|
|
|
- this.system = this.el.sceneEl.systems.nav;
|
|
|
- this.loadNavMesh();
|
|
|
- this.el.addEventListener('model-loaded', this.loadNavMesh.bind(this));
|
|
|
- },
|
|
|
-
|
|
|
- loadNavMesh: function loadNavMesh() {
|
|
|
- var object = this.el.getObject3D('mesh');
|
|
|
-
|
|
|
- if (!object) return;
|
|
|
-
|
|
|
- var navMesh = void 0;
|
|
|
- object.traverse(function (node) {
|
|
|
- if (node.isMesh) navMesh = node;
|
|
|
- });
|
|
|
-
|
|
|
- if (!navMesh) return;
|
|
|
-
|
|
|
- this.system.setNavMesh(navMesh);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-},{}],11:[function(require,module,exports){
|
|
|
-'use strict';
|
|
|
-
|
|
|
-var Path = require('three-pathfinding');
|
|
|
-
|
|
|
-var pathfinder = new Path();
|
|
|
-var ZONE = 'level';
|
|
|
-
|
|
|
-/**
|
|
|
- * nav
|
|
|
- *
|
|
|
- * Pathfinding system, using PatrolJS.
|
|
|
- */
|
|
|
-module.exports = AFRAME.registerSystem('nav', {
|
|
|
- init: function init() {
|
|
|
- this.navMesh = null;
|
|
|
- this.agents = new Set();
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {THREE.Mesh} mesh
|
|
|
- */
|
|
|
- setNavMesh: function setNavMesh(mesh) {
|
|
|
- var geometry = mesh.geometry.isBufferGeometry ? new THREE.Geometry().fromBufferGeometry(mesh.geometry) : mesh.geometry;
|
|
|
- this.navMesh = new THREE.Mesh(geometry);
|
|
|
- pathfinder.setZoneData(ZONE, Path.createZone(this.navMesh.geometry));
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @return {THREE.Mesh}
|
|
|
- */
|
|
|
- getNavMesh: function getNavMesh() {
|
|
|
- return this.navMesh;
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {NavAgent} ctrl
|
|
|
- */
|
|
|
- addAgent: function addAgent(ctrl) {
|
|
|
- this.agents.add(ctrl);
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {NavAgent} ctrl
|
|
|
- */
|
|
|
- removeAgent: function removeAgent(ctrl) {
|
|
|
- this.agents.remove(ctrl);
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {THREE.Vector3} start
|
|
|
- * @param {THREE.Vector3} end
|
|
|
- * @param {number} groupID
|
|
|
- * @return {Array<THREE.Vector3>}
|
|
|
- */
|
|
|
- getPath: function getPath(start, end, groupID) {
|
|
|
- return pathfinder.findPath(start, end, ZONE, groupID);
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {THREE.Vector3} position
|
|
|
- * @return {number}
|
|
|
- */
|
|
|
- getGroup: function getGroup(position) {
|
|
|
- return pathfinder.getGroup(ZONE, position);
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {THREE.Vector3} position
|
|
|
- * @param {number} groupID
|
|
|
- * @return {Node}
|
|
|
- */
|
|
|
- getNode: function getNode(position, groupID) {
|
|
|
- return pathfinder.getClosestNode(position, ZONE, groupID, true);
|
|
|
- },
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {THREE.Vector3} start Starting position.
|
|
|
- * @param {THREE.Vector3} end Desired ending position.
|
|
|
- * @param {number} groupID
|
|
|
- * @param {Node} node
|
|
|
- * @param {THREE.Vector3} endTarget (Output) Adjusted step end position.
|
|
|
- * @return {Node} Current node, after step is taken.
|
|
|
- */
|
|
|
- clampStep: function clampStep(start, end, groupID, node, endTarget) {
|
|
|
- if (!this.navMesh || !node) {
|
|
|
- endTarget.copy(end);
|
|
|
- return this.navMesh ? this.getNode(end, groupID) : null;
|
|
|
- }
|
|
|
- return pathfinder.clampStep(start, end, node, ZONE, groupID, endTarget);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-},{"three-pathfinding":6}]},{},[1]);
|
|
|
+},{}]},{},[1]);
|
