nothoughts/node_modules/pixi.js/lib/scene/graphics/shared/buildCommands/buildArcTo.mjs.map

{"version":3,"file":"buildArcTo.mjs","sources":["../../../../../src/scene/graphics/shared/buildCommands/buildArcTo.ts"],"sourcesContent":["import { buildArc } from './buildArc';\n\n/**\n * The arcTo() method creates an arc/curve between two tangents on the canvas.\n *\n * \"borrowed\" from https://code.google.com/p/fxcanvas/ - thanks google!\n * @param points\n * @param x1\n * @param y1\n * @param x2\n * @param y2\n * @param radius\n */\nexport function buildArcTo(\n    points: number[],\n    x1: number, y1: number,\n    x2: number, y2: number,\n    radius: number,\n): void\n{\n    const fromX = points[points.length - 2];\n    const fromY = points[points.length - 1];\n\n    const a1 = fromY - y1;\n    const b1 = fromX - x1;\n    const a2 = y2 - y1;\n    const b2 = x2 - x1;\n    const mm = Math.abs((a1 * b2) - (b1 * a2));\n\n    if (mm < 1.0e-8 || radius === 0)\n    {\n        if (points[points.length - 2] !== x1 || points[points.length - 1] !== y1)\n        {\n            points.push(x1, y1);\n        }\n\n        return;\n    }\n\n    const dd = (a1 * a1) + (b1 * b1);\n    const cc = (a2 * a2) + (b2 * b2);\n    const tt = (a1 * a2) + (b1 * b2);\n    const k1 = radius * Math.sqrt(dd) / mm;\n    const k2 = radius * Math.sqrt(cc) / mm;\n    const j1 = k1 * tt / dd;\n    const j2 = k2 * tt / cc;\n    const cx = (k1 * b2) + (k2 * b1);\n    const cy = (k1 * a2) + (k2 * a1);\n    const px = b1 * (k2 + j1);\n    const py = a1 * (k2 + j1);\n    const qx = b2 * (k1 + j2);\n    const qy = a2 * (k1 + j2);\n    const startAngle = Math.atan2(py - cy, px - cx);\n    const endAngle = Math.atan2(qy - cy, qx - cx);\n\n    buildArc(points,\n        (cx + x1),\n        (cy + y1),\n        radius,\n        startAngle,\n        endAngle,\n        b1 * a2 > b2 * a1\n    );\n}\n"],"names":[],"mappings":";;;AAaO,SAAS,WACZ,MACA,EAAA,EAAA,EAAY,EACZ,EAAA,EAAA,EAAY,IACZ,MAEJ,EAAA;AACI,EAAA,MAAM,KAAQ,GAAA,MAAA,CAAO,MAAO,CAAA,MAAA,GAAS,CAAC,CAAA,CAAA;AACtC,EAAA,MAAM,KAAQ,GAAA,MAAA,CAAO,MAAO,CAAA,MAAA,GAAS,CAAC,CAAA,CAAA;AAEtC,EAAA,MAAM,KAAK,KAAQ,GAAA,EAAA,CAAA;AACnB,EAAA,MAAM,KAAK,KAAQ,GAAA,EAAA,CAAA;AACnB,EAAA,MAAM,KAAK,EAAK,GAAA,EAAA,CAAA;AAChB,EAAA,MAAM,KAAK,EAAK,GAAA,EAAA,CAAA;AAChB,EAAA,MAAM,KAAK,IAAK,CAAA,GAAA,CAAK,EAAK,GAAA,EAAA,GAAO,KAAK,EAAG,CAAA,CAAA;AAEzC,EAAI,IAAA,EAAA,GAAK,IAAU,IAAA,MAAA,KAAW,CAC9B,EAAA;AACI,IAAI,IAAA,MAAA,CAAO,MAAO,CAAA,MAAA,GAAS,CAAC,CAAA,KAAM,EAAM,IAAA,MAAA,CAAO,MAAO,CAAA,MAAA,GAAS,CAAC,CAAA,KAAM,EACtE,EAAA;AACI,MAAO,MAAA,CAAA,IAAA,CAAK,IAAI,EAAE,CAAA,CAAA;AAAA,KACtB;AAEA,IAAA,OAAA;AAAA,GACJ;AAEA,EAAM,MAAA,EAAA,GAAM,EAAK,GAAA,EAAA,GAAO,EAAK,GAAA,EAAA,CAAA;AAC7B,EAAM,MAAA,EAAA,GAAM,EAAK,GAAA,EAAA,GAAO,EAAK,GAAA,EAAA,CAAA;AAC7B,EAAM,MAAA,EAAA,GAAM,EAAK,GAAA,EAAA,GAAO,EAAK,GAAA,EAAA,CAAA;AAC7B,EAAA,MAAM,EAAK,GAAA,MAAA,GAAS,IAAK,CAAA,IAAA,CAAK,EAAE,CAAI,GAAA,EAAA,CAAA;AACpC,EAAA,MAAM,EAAK,GAAA,MAAA,GAAS,IAAK,CAAA,IAAA,CAAK,EAAE,CAAI,GAAA,EAAA,CAAA;AACpC,EAAM,MAAA,EAAA,GAAK,KAAK,EAAK,GAAA,EAAA,CAAA;AACrB,EAAM,MAAA,EAAA,GAAK,KAAK,EAAK,GAAA,EAAA,CAAA;AACrB,EAAM,MAAA,EAAA,GAAM,EAAK,GAAA,EAAA,GAAO,EAAK,GAAA,EAAA,CAAA;AAC7B,EAAM,MAAA,EAAA,GAAM,EAAK,GAAA,EAAA,GAAO,EAAK,GAAA,EAAA,CAAA;AAC7B,EAAM,MAAA,EAAA,GAAK,MAAM,EAAK,GAAA,EAAA,CAAA,CAAA;AACtB,EAAM,MAAA,EAAA,GAAK,MAAM,EAAK,GAAA,EAAA,CAAA,CAAA;AACtB,EAAM,MAAA,EAAA,GAAK,MAAM,EAAK,GAAA,EAAA,CAAA,CAAA;AACtB,EAAM,MAAA,EAAA,GAAK,MAAM,EAAK,GAAA,EAAA,CAAA,CAAA;AACtB,EAAA,MAAM,aAAa,IAAK,CAAA,KAAA,CAAM,EAAK,GAAA,EAAA,EAAI,KAAK,EAAE,CAAA,CAAA;AAC9C,EAAA,MAAM,WAAW,IAAK,CAAA,KAAA,CAAM,EAAK,GAAA,EAAA,EAAI,KAAK,EAAE,CAAA,CAAA;AAE5C,EAAA,QAAA;AAAA,IAAS,MAAA;AAAA,IACJ,EAAK,GAAA,EAAA;AAAA,IACL,EAAK,GAAA,EAAA;AAAA,IACN,MAAA;AAAA,IACA,UAAA;AAAA,IACA,QAAA;AAAA,IACA,EAAA,GAAK,KAAK,EAAK,GAAA,EAAA;AAAA,GACnB,CAAA;AACJ;;;;"}