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- {"ast":null,"code":"import { Color4, Vector2, Vector3, TmpVectors, Quaternion } from \"../Maths/math.js\";\n/**\n * Represents one particle of a points cloud system.\n */\nexport class CloudPoint {\n /**\n * Creates a Point Cloud object.\n * Don't create particles manually, use instead the PCS internal tools like _addParticle()\n * @param particleIndex (integer) is the particle index in the PCS pool. It's also the particle identifier.\n * @param group (PointsGroup) is the group the particle belongs to\n * @param groupId (integer) is the group identifier in the PCS.\n * @param idxInGroup (integer) is the index of the particle in the current point group (ex: the 10th point of addPoints(30))\n * @param pcs defines the PCS it is associated to\n */\n constructor(particleIndex, group, groupId, idxInGroup, pcs) {\n /**\n * particle global index\n */\n this.idx = 0;\n /**\n * The color of the particle\n */\n this.color = new Color4(1.0, 1.0, 1.0, 1.0);\n /**\n * The world space position of the particle.\n */\n this.position = Vector3.Zero();\n /**\n * The world space rotation of the particle. (Not use if rotationQuaternion is set)\n */\n this.rotation = Vector3.Zero();\n /**\n * The uv of the particle.\n */\n this.uv = new Vector2(0.0, 0.0);\n /**\n * The current speed of the particle.\n */\n this.velocity = Vector3.Zero();\n /**\n * The pivot point in the particle local space.\n */\n this.pivot = Vector3.Zero();\n /**\n * Must the particle be translated from its pivot point in its local space ?\n * In this case, the pivot point is set at the origin of the particle local space and the particle is translated.\n * Default : false\n */\n this.translateFromPivot = false;\n /**\n * Index of this particle in the global \"positions\" array (Internal use)\n * @internal\n */\n this._pos = 0;\n /**\n * @internal Index of this particle in the global \"indices\" array (Internal use)\n */\n this._ind = 0;\n /**\n * Group id of this particle\n */\n this.groupId = 0;\n /**\n * Index of the particle in its group id (Internal use)\n */\n this.idxInGroup = 0;\n /**\n * @internal Still set as invisible in order to skip useless computations (Internal use)\n */\n this._stillInvisible = false;\n /**\n * @internal Last computed particle rotation matrix\n */\n this._rotationMatrix = [1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0];\n /**\n * Parent particle Id, if any.\n * Default null.\n */\n this.parentId = null;\n /**\n * @internal Internal global position in the PCS.\n */\n this._globalPosition = Vector3.Zero();\n this.idx = particleIndex;\n this._group = group;\n this.groupId = groupId;\n this.idxInGroup = idxInGroup;\n this._pcs = pcs;\n }\n /**\n * get point size\n */\n get size() {\n return this.size;\n }\n /**\n * Set point size\n */\n set size(scale) {\n this.size = scale;\n }\n /**\n * Legacy support, changed quaternion to rotationQuaternion\n */\n get quaternion() {\n return this.rotationQuaternion;\n }\n /**\n * Legacy support, changed quaternion to rotationQuaternion\n */\n set quaternion(q) {\n this.rotationQuaternion = q;\n }\n /**\n * Returns a boolean. True if the particle intersects a mesh, else false\n * The intersection is computed on the particle position and Axis Aligned Bounding Box (AABB) or Sphere\n * @param target is the object (point or mesh) what the intersection is computed against\n * @param isSphere is boolean flag when false (default) bounding box of mesh is used, when true the bounding sphere is used\n * @returns true if it intersects\n */\n intersectsMesh(target, isSphere) {\n if (!target.hasBoundingInfo) {\n return false;\n }\n if (!this._pcs.mesh) {\n throw new Error(\"Point Cloud System doesnt contain the Mesh\");\n }\n if (isSphere) {\n return target.getBoundingInfo().boundingSphere.intersectsPoint(this.position.add(this._pcs.mesh.position));\n }\n const bbox = target.getBoundingInfo().boundingBox;\n const maxX = bbox.maximumWorld.x;\n const minX = bbox.minimumWorld.x;\n const maxY = bbox.maximumWorld.y;\n const minY = bbox.minimumWorld.y;\n const maxZ = bbox.maximumWorld.z;\n const minZ = bbox.minimumWorld.z;\n const x = this.position.x + this._pcs.mesh.position.x;\n const y = this.position.y + this._pcs.mesh.position.y;\n const z = this.position.z + this._pcs.mesh.position.z;\n return minX <= x && x <= maxX && minY <= y && y <= maxY && minZ <= z && z <= maxZ;\n }\n /**\n * get the rotation matrix of the particle\n * @internal\n */\n getRotationMatrix(m) {\n let quaternion;\n if (this.rotationQuaternion) {\n quaternion = this.rotationQuaternion;\n } else {\n quaternion = TmpVectors.Quaternion[0];\n const rotation = this.rotation;\n Quaternion.RotationYawPitchRollToRef(rotation.y, rotation.x, rotation.z, quaternion);\n }\n quaternion.toRotationMatrix(m);\n }\n}\n/**\n * Represents a group of points in a points cloud system\n * * PCS internal tool, don't use it manually.\n */\nexport class PointsGroup {\n /**\n * Get or set the groupId\n * @deprecated Please use groupId instead\n */\n get groupID() {\n return this.groupId;\n }\n set groupID(groupID) {\n this.groupId = groupID;\n }\n /**\n * Creates a points group object. This is an internal reference to produce particles for the PCS.\n * PCS internal tool, don't use it manually.\n * @internal\n */\n constructor(id, posFunction) {\n this.groupId = id;\n this._positionFunction = posFunction;\n }\n}","map":{"version":3,"names":["Color4","Vector2","Vector3","TmpVectors","Quaternion","CloudPoint","constructor","particleIndex","group","groupId","idxInGroup","pcs","idx","color","position","Zero","rotation","uv","velocity","pivot","translateFromPivot","_pos","_ind","_stillInvisible","_rotationMatrix","parentId","_globalPosition","_group","_pcs","size","scale","quaternion","rotationQuaternion","q","intersectsMesh","target","isSphere","hasBoundingInfo","mesh","Error","getBoundingInfo","boundingSphere","intersectsPoint","add","bbox","boundingBox","maxX","maximumWorld","x","minX","minimumWorld","maxY","y","minY","maxZ","z","minZ","getRotationMatrix","m","RotationYawPitchRollToRef","toRotationMatrix","PointsGroup","groupID","id","posFunction","_positionFunction"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Particles/cloudPoint.js"],"sourcesContent":["import { Color4, Vector2, Vector3, TmpVectors, Quaternion } from \"../Maths/math.js\";\n/**\n * Represents one particle of a points cloud system.\n */\nexport class CloudPoint {\n /**\n * Creates a Point Cloud object.\n * Don't create particles manually, use instead the PCS internal tools like _addParticle()\n * @param particleIndex (integer) is the particle index in the PCS pool. It's also the particle identifier.\n * @param group (PointsGroup) is the group the particle belongs to\n * @param groupId (integer) is the group identifier in the PCS.\n * @param idxInGroup (integer) is the index of the particle in the current point group (ex: the 10th point of addPoints(30))\n * @param pcs defines the PCS it is associated to\n */\n constructor(particleIndex, group, groupId, idxInGroup, pcs) {\n /**\n * particle global index\n */\n this.idx = 0;\n /**\n * The color of the particle\n */\n this.color = new Color4(1.0, 1.0, 1.0, 1.0);\n /**\n * The world space position of the particle.\n */\n this.position = Vector3.Zero();\n /**\n * The world space rotation of the particle. (Not use if rotationQuaternion is set)\n */\n this.rotation = Vector3.Zero();\n /**\n * The uv of the particle.\n */\n this.uv = new Vector2(0.0, 0.0);\n /**\n * The current speed of the particle.\n */\n this.velocity = Vector3.Zero();\n /**\n * The pivot point in the particle local space.\n */\n this.pivot = Vector3.Zero();\n /**\n * Must the particle be translated from its pivot point in its local space ?\n * In this case, the pivot point is set at the origin of the particle local space and the particle is translated.\n * Default : false\n */\n this.translateFromPivot = false;\n /**\n * Index of this particle in the global \"positions\" array (Internal use)\n * @internal\n */\n this._pos = 0;\n /**\n * @internal Index of this particle in the global \"indices\" array (Internal use)\n */\n this._ind = 0;\n /**\n * Group id of this particle\n */\n this.groupId = 0;\n /**\n * Index of the particle in its group id (Internal use)\n */\n this.idxInGroup = 0;\n /**\n * @internal Still set as invisible in order to skip useless computations (Internal use)\n */\n this._stillInvisible = false;\n /**\n * @internal Last computed particle rotation matrix\n */\n this._rotationMatrix = [1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0];\n /**\n * Parent particle Id, if any.\n * Default null.\n */\n this.parentId = null;\n /**\n * @internal Internal global position in the PCS.\n */\n this._globalPosition = Vector3.Zero();\n this.idx = particleIndex;\n this._group = group;\n this.groupId = groupId;\n this.idxInGroup = idxInGroup;\n this._pcs = pcs;\n }\n /**\n * get point size\n */\n get size() {\n return this.size;\n }\n /**\n * Set point size\n */\n set size(scale) {\n this.size = scale;\n }\n /**\n * Legacy support, changed quaternion to rotationQuaternion\n */\n get quaternion() {\n return this.rotationQuaternion;\n }\n /**\n * Legacy support, changed quaternion to rotationQuaternion\n */\n set quaternion(q) {\n this.rotationQuaternion = q;\n }\n /**\n * Returns a boolean. True if the particle intersects a mesh, else false\n * The intersection is computed on the particle position and Axis Aligned Bounding Box (AABB) or Sphere\n * @param target is the object (point or mesh) what the intersection is computed against\n * @param isSphere is boolean flag when false (default) bounding box of mesh is used, when true the bounding sphere is used\n * @returns true if it intersects\n */\n intersectsMesh(target, isSphere) {\n if (!target.hasBoundingInfo) {\n return false;\n }\n if (!this._pcs.mesh) {\n throw new Error(\"Point Cloud System doesnt contain the Mesh\");\n }\n if (isSphere) {\n return target.getBoundingInfo().boundingSphere.intersectsPoint(this.position.add(this._pcs.mesh.position));\n }\n const bbox = target.getBoundingInfo().boundingBox;\n const maxX = bbox.maximumWorld.x;\n const minX = bbox.minimumWorld.x;\n const maxY = bbox.maximumWorld.y;\n const minY = bbox.minimumWorld.y;\n const maxZ = bbox.maximumWorld.z;\n const minZ = bbox.minimumWorld.z;\n const x = this.position.x + this._pcs.mesh.position.x;\n const y = this.position.y + this._pcs.mesh.position.y;\n const z = this.position.z + this._pcs.mesh.position.z;\n return minX <= x && x <= maxX && minY <= y && y <= maxY && minZ <= z && z <= maxZ;\n }\n /**\n * get the rotation matrix of the particle\n * @internal\n */\n getRotationMatrix(m) {\n let quaternion;\n if (this.rotationQuaternion) {\n quaternion = this.rotationQuaternion;\n }\n else {\n quaternion = TmpVectors.Quaternion[0];\n const rotation = this.rotation;\n Quaternion.RotationYawPitchRollToRef(rotation.y, rotation.x, rotation.z, quaternion);\n }\n quaternion.toRotationMatrix(m);\n }\n}\n/**\n * Represents a group of points in a points cloud system\n * * PCS internal tool, don't use it manually.\n */\nexport class PointsGroup {\n /**\n * Get or set the groupId\n * @deprecated Please use groupId instead\n */\n get groupID() {\n return this.groupId;\n }\n set groupID(groupID) {\n this.groupId = groupID;\n }\n /**\n * Creates a points group object. 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