tldraw/dist-esm/lib/ui/components/Minimap/minimap-webgl-shapes.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../../src/lib/ui/components/Minimap/minimap-webgl-shapes.ts"],
  "sourcesContent": ["import { Box, HALF_PI, PI, PI2, Vec } from '@tldraw/editor'\n\nexport const numArcSegmentsPerCorner = 10\n\nexport const roundedRectangleDataSize =\n\t// num triangles in corners\n\t4 * 6 * numArcSegmentsPerCorner +\n\t// num triangles in center rect\n\t12 +\n\t// num triangles in outer rects\n\t4 * 12\n\nexport function pie(\n\tarray: Float32Array,\n\t{\n\t\tcenter,\n\t\tradius,\n\t\tnumArcSegments = 20,\n\t\tstartAngle = 0,\n\t\tendAngle = PI2,\n\t\toffset = 0,\n\t}: {\n\t\tcenter: Vec\n\t\tradius: number\n\t\tnumArcSegments?: number\n\t\tstartAngle?: number\n\t\tendAngle?: number\n\t\toffset?: number\n\t}\n) {\n\tconst angle = (endAngle - startAngle) / numArcSegments\n\tlet i = offset\n\tfor (let a = startAngle; a < endAngle; a += angle) {\n\t\tarray[i++] = center.x\n\t\tarray[i++] = center.y\n\t\tarray[i++] = center.x + Math.cos(a) * radius\n\t\tarray[i++] = center.y + Math.sin(a) * radius\n\t\tarray[i++] = center.x + Math.cos(a + angle) * radius\n\t\tarray[i++] = center.y + Math.sin(a + angle) * radius\n\t}\n\treturn array\n}\n\n/** @internal **/\nexport function rectangle(\n\tarray: Float32Array,\n\toffset: number,\n\tx: number,\n\ty: number,\n\tw: number,\n\th: number\n) {\n\tarray[offset++] = x\n\tarray[offset++] = y\n\tarray[offset++] = x\n\tarray[offset++] = y + h\n\tarray[offset++] = x + w\n\tarray[offset++] = y\n\n\tarray[offset++] = x + w\n\tarray[offset++] = y\n\tarray[offset++] = x\n\tarray[offset++] = y + h\n\tarray[offset++] = x + w\n\tarray[offset++] = y + h\n}\n\nexport function roundedRectangle(data: Float32Array, box: Box, radius: number): number {\n\tconst numArcSegments = numArcSegmentsPerCorner\n\tradius = Math.min(radius, Math.min(box.w, box.h) / 2)\n\t// first draw the inner box\n\tconst innerBox = Box.ExpandBy(box, -radius)\n\tif (innerBox.w <= 0 || innerBox.h <= 0) {\n\t\t// just draw a circle\n\t\tpie(data, { center: box.center, radius: radius, numArcSegments: numArcSegmentsPerCorner * 4 })\n\t\treturn numArcSegmentsPerCorner * 4 * 6\n\t}\n\tlet offset = 0\n\t// draw center rect first\n\trectangle(data, offset, innerBox.minX, innerBox.minY, innerBox.w, innerBox.h)\n\toffset += 12\n\t// then top rect\n\trectangle(data, offset, innerBox.minX, box.minY, innerBox.w, radius)\n\toffset += 12\n\t// then right rect\n\trectangle(data, offset, innerBox.maxX, innerBox.minY, radius, innerBox.h)\n\toffset += 12\n\t// then bottom rect\n\trectangle(data, offset, innerBox.minX, innerBox.maxY, innerBox.w, radius)\n\toffset += 12\n\t// then left rect\n\trectangle(data, offset, box.minX, innerBox.minY, radius, innerBox.h)\n\toffset += 12\n\n\t// draw the corners\n\n\t// top left\n\tpie(data, {\n\t\tnumArcSegments,\n\t\toffset,\n\t\tcenter: innerBox.point,\n\t\tradius,\n\t\tstartAngle: PI,\n\t\tendAngle: PI * 1.5,\n\t})\n\n\toffset += numArcSegments * 6\n\n\t// top right\n\tpie(data, {\n\t\tnumArcSegments,\n\t\toffset,\n\t\tcenter: Vec.Add(innerBox.point, new Vec(innerBox.w, 0)),\n\t\tradius,\n\t\tstartAngle: PI * 1.5,\n\t\tendAngle: PI2,\n\t})\n\n\toffset += numArcSegments * 6\n\n\t// bottom right\n\tpie(data, {\n\t\tnumArcSegments,\n\t\toffset,\n\t\tcenter: Vec.Add(innerBox.point, innerBox.size),\n\t\tradius,\n\t\tstartAngle: 0,\n\t\tendAngle: HALF_PI,\n\t})\n\n\toffset += numArcSegments * 6\n\n\t// bottom left\n\tpie(data, {\n\t\tnumArcSegments,\n\t\toffset,\n\t\tcenter: Vec.Add(innerBox.point, new Vec(0, innerBox.h)),\n\t\tradius,\n\t\tstartAngle: HALF_PI,\n\t\tendAngle: PI,\n\t})\n\n\treturn roundedRectangleDataSize\n}\n"],
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}