| 1 |
- {"ast":null,"code":"import { Vector3, Matrix } from \"../Maths/math.vector.js\";\n/**\n * Class containing a set of static utilities functions for managing Pivots\n * @internal\n */\nexport class PivotTools {\n /**\n * @internal\n */\n static _RemoveAndStorePivotPoint(mesh) {\n if (mesh && PivotTools._PivotCached === 0) {\n // Save old pivot and set pivot to 0,0,0\n mesh.getPivotPointToRef(PivotTools._OldPivotPoint);\n PivotTools._PivotPostMultiplyPivotMatrix = mesh._postMultiplyPivotMatrix;\n if (!PivotTools._OldPivotPoint.equalsToFloats(0, 0, 0)) {\n mesh.setPivotMatrix(Matrix.IdentityReadOnly);\n PivotTools._OldPivotPoint.subtractToRef(mesh.getPivotPoint(), PivotTools._PivotTranslation);\n PivotTools._PivotTmpVector.copyFromFloats(1, 1, 1);\n PivotTools._PivotTmpVector.subtractInPlace(mesh.scaling);\n PivotTools._PivotTmpVector.multiplyInPlace(PivotTools._PivotTranslation);\n mesh.position.addInPlace(PivotTools._PivotTmpVector);\n }\n }\n PivotTools._PivotCached++;\n }\n /**\n * @internal\n */\n static _RestorePivotPoint(mesh) {\n if (mesh && !PivotTools._OldPivotPoint.equalsToFloats(0, 0, 0) && PivotTools._PivotCached === 1) {\n mesh.setPivotPoint(PivotTools._OldPivotPoint);\n mesh._postMultiplyPivotMatrix = PivotTools._PivotPostMultiplyPivotMatrix;\n PivotTools._PivotTmpVector.copyFromFloats(1, 1, 1);\n PivotTools._PivotTmpVector.subtractInPlace(mesh.scaling);\n PivotTools._PivotTmpVector.multiplyInPlace(PivotTools._PivotTranslation);\n mesh.position.subtractInPlace(PivotTools._PivotTmpVector);\n }\n this._PivotCached--;\n }\n}\n// Stores the state of the pivot cache (_oldPivotPoint, _pivotTranslation)\n// store/remove pivot point should only be applied during their outermost calls\nPivotTools._PivotCached = 0;\nPivotTools._OldPivotPoint = new Vector3();\nPivotTools._PivotTranslation = new Vector3();\nPivotTools._PivotTmpVector = new Vector3();\nPivotTools._PivotPostMultiplyPivotMatrix = false;","map":{"version":3,"names":["Vector3","Matrix","PivotTools","_RemoveAndStorePivotPoint","mesh","_PivotCached","getPivotPointToRef","_OldPivotPoint","_PivotPostMultiplyPivotMatrix","_postMultiplyPivotMatrix","equalsToFloats","setPivotMatrix","IdentityReadOnly","subtractToRef","getPivotPoint","_PivotTranslation","_PivotTmpVector","copyFromFloats","subtractInPlace","scaling","multiplyInPlace","position","addInPlace","_RestorePivotPoint","setPivotPoint"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Misc/pivotTools.js"],"sourcesContent":["import { Vector3, Matrix } from \"../Maths/math.vector.js\";\n/**\n * Class containing a set of static utilities functions for managing Pivots\n * @internal\n */\nexport class PivotTools {\n /**\n * @internal\n */\n static _RemoveAndStorePivotPoint(mesh) {\n if (mesh && PivotTools._PivotCached === 0) {\n // Save old pivot and set pivot to 0,0,0\n mesh.getPivotPointToRef(PivotTools._OldPivotPoint);\n PivotTools._PivotPostMultiplyPivotMatrix = mesh._postMultiplyPivotMatrix;\n if (!PivotTools._OldPivotPoint.equalsToFloats(0, 0, 0)) {\n mesh.setPivotMatrix(Matrix.IdentityReadOnly);\n PivotTools._OldPivotPoint.subtractToRef(mesh.getPivotPoint(), PivotTools._PivotTranslation);\n PivotTools._PivotTmpVector.copyFromFloats(1, 1, 1);\n PivotTools._PivotTmpVector.subtractInPlace(mesh.scaling);\n PivotTools._PivotTmpVector.multiplyInPlace(PivotTools._PivotTranslation);\n mesh.position.addInPlace(PivotTools._PivotTmpVector);\n }\n }\n PivotTools._PivotCached++;\n }\n /**\n * @internal\n */\n static _RestorePivotPoint(mesh) {\n if (mesh && !PivotTools._OldPivotPoint.equalsToFloats(0, 0, 0) && PivotTools._PivotCached === 1) {\n mesh.setPivotPoint(PivotTools._OldPivotPoint);\n mesh._postMultiplyPivotMatrix = PivotTools._PivotPostMultiplyPivotMatrix;\n PivotTools._PivotTmpVector.copyFromFloats(1, 1, 1);\n PivotTools._PivotTmpVector.subtractInPlace(mesh.scaling);\n PivotTools._PivotTmpVector.multiplyInPlace(PivotTools._PivotTranslation);\n mesh.position.subtractInPlace(PivotTools._PivotTmpVector);\n }\n this._PivotCached--;\n }\n}\n// Stores the state of the pivot cache (_oldPivotPoint, _pivotTranslation)\n// store/remove pivot point should only be applied during their outermost calls\nPivotTools._PivotCached = 0;\nPivotTools._OldPivotPoint = new Vector3();\nPivotTools._PivotTranslation = new Vector3();\nPivotTools._PivotTmpVector = new Vector3();\nPivotTools._PivotPostMultiplyPivotMatrix = 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