77 lines
1.7 KiB
JavaScript
77 lines
1.7 KiB
JavaScript
export const Kernel =
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{
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Corners:
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[
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[ 1, 1, -1],
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[ 1, -1, -1],
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[-1, 1, -1],
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[-1, -1, -1],
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[ 1, 1, 1],
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[ 1, -1, 1],
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[-1, 1, 1],
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[-1, -1, 1]
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],
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Cardinal:
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[
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[ 1, 0, 0],
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[ 0, 1, 0],
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[-1, 0, 0],
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[ 0, -1, 0],
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[ 0, 0, 1],
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[ 0, 0, -1]
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],
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Loop(inList, inVector, inHandler)
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{
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for(let i=0; i<inList.length; i++)
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{
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let delta = inList[i];
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if(inHandler(inVector[0]+delta[0], inVector[1]+delta[1], inVector[2]+delta[2]))
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{
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return;
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}
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}
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}
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};
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export const Region =
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{
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Create()
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{
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return {filled:[]};
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},
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I(inX, inY, inZ)
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{
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return inX + inY*32 + inZ*1024;
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},
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XYZ(inI)
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{
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let zWhole = Math.floor(inI / 1024);
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let zPart = inI % 1024;
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let yWhole = Math.floor(zPart / 32);
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let yPart = zPart % 32;
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return [yPart, yWhole, zWhole];
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},
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Surface(inRegion)
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{
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let surface = [];
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inRegion.filled.forEach(inIndex =>
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{
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let coords = Region.XYZ(inIndex);
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Kernel.Loop(Kernel.Corners, coords, (inX, inY, inZ)=>
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{
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let index = Region.I(inX, inY, inZ);
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if(inRegion.filled[index] === undefined)
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{
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console.log(inX, inY, inZ, "surface");
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surface.push(inIndex);
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return true;
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}
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else
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{
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console.log(inX, inY, inZ, "filled");
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}
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});
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});
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return surface;
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}
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};
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