pixi.js/lib/scene/mesh-perspective/utils/applyProjectiveTransformationToPlane.mjs.map

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{"version":3,"file":"applyProjectiveTransformationToPlane.mjs","sources":["../../../../src/scene/mesh-perspective/utils/applyProjectiveTransformationToPlane.ts"],"sourcesContent":["import type { ArrayFixed } from '../../../utils/types';\nimport type { PlaneGeometry } from '../../mesh-plane/PlaneGeometry';\n\n/**\n * Apply a projective transformation to a plane geometry\n * @param width - The width of the plane\n * @param height - The height of the plane\n * @param geometry - The plane geometry to apply the transformation to\n * @param transformationMatrix - The transformation matrix to apply\n * @internal\n */\nexport function applyProjectiveTransformationToPlane(\n    width: number,\n    height: number,\n    geometry: PlaneGeometry,\n    transformationMatrix: ArrayFixed<number, 9>\n)\n{\n    const buffer = geometry.buffers[0];\n\n    // Access the vertices of the mesh\n    const vertices = buffer.data;\n\n    const { verticesX, verticesY } = geometry;\n\n    const sizeX = (width) / (verticesX - 1);\n    const sizeY = (height) / (verticesY - 1);\n\n    let index = 0;\n\n    const a00 = transformationMatrix[0];\n    const a01 = transformationMatrix[1];\n    const a02 = transformationMatrix[2];\n    const a10 = transformationMatrix[3];\n    const a11 = transformationMatrix[4];\n    const a12 = transformationMatrix[5];\n    const a20 = transformationMatrix[6];\n    const a21 = transformationMatrix[7];\n    const a22 = transformationMatrix[8];\n\n    // Apply the transformation to each vertex\n    for (let i = 0; i < vertices.length; i += 2)\n    {\n        const x = (index % verticesX) * sizeX;\n        const y = ((index / verticesX) | 0) * sizeY;\n\n        const newX = (a00 * x) + (a01 * y) + a02;\n        const newY = (a10 * x) + (a11 * y) + a12;\n        const w = (a20 * x) + (a21 * y) + a22;\n\n        vertices[i] = newX / w;\n        vertices[i + 1] = newY / w;\n\n        index++;\n    }\n\n    // Update the mesh geometry to reflect the changes\n    buffer.update();\n}\n"],"names":[],"mappings":";AAWO,SAAS,oCAAA,CACZ,KAAA,EACA,MAAA,EACA,QAAA,EACA,oBAAA,EAEJ;AACI,EAAA,MAAM,MAAA,GAAS,QAAA,CAAS,OAAA,CAAQ,CAAC,CAAA;AAGjC,EAAA,MAAM,WAAW,MAAA,CAAO,IAAA;AAExB,EAAA,MAAM,EAAE,SAAA,EAAW,SAAA,EAAU,GAAI,QAAA;AAEjC,EAAA,MAAM,KAAA,GAAS,SAAU,SAAA,GAAY,CAAA,CAAA;AACrC,EAAA,MAAM,KAAA,GAAS,UAAW,SAAA,GAAY,CAAA,CAAA;AAEtC,EAAA,IAAI,KAAA,GAAQ,CAAA;AAEZ,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAClC,EAAA,MAAM,GAAA,GAAM,qBAAqB,CAAC,CAAA;AAGlC,EAAA,KAAA,IAAS,IAAI,CAAA,EAAG,CAAA,GAAI,QAAA,CAAS,MAAA,EAAQ,KAAK,CAAA,EAC1C;AACI,IAAA,MAAM,CAAA,GAAK,QAAQ,SAAA,GAAa,KAAA;AAChC,IAAA,MAAM,CAAA,GAAA,CAAM,KAAA,GAAQ,SAAA,GAAa,CAAA,IAAK,KAAA;AAEtC,IAAA,MAAM,IAAA,GAAQ,GAAA,GAAM,CAAA,GAAM,GAAA,GAAM,CAAA,GAAK,GAAA;AACrC,IAAA,MAAM,IAAA,GAAQ,GAAA,GAAM,CAAA,GAAM,GAAA,GAAM,CAAA,GAAK,GAAA;AACrC,IAAA,MAAM,CAAA,GAAK,GAAA,GAAM,CAAA,GAAM,GAAA,GAAM,CAAA,GAAK,GAAA;AAElC,IAAA,QAAA,CAAS,CAAC,IAAI,IAAA,GAAO,CAAA;AACrB,IAAA,QAAA,CAAS,CAAA,GAAI,CAAC,CAAA,GAAI,IAAA,GAAO,CAAA;AAEzB,IAAA,KAAA,EAAA;AAAA,EACJ;AAGA,EAAA,MAAA,CAAO,MAAA,EAAO;AAClB;;;;"}