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refactor

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syuilo
2026-04-08 15:24:17 +09:00
parent 5e4d128f68
commit 25ed41ba64
1 changed files with 17 additions and 53 deletions
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70
packages/frontend/src/utility/room/utility.ts
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@@ -392,65 +392,29 @@ export function createPlaneUvMapper(mesh: BABYLON.Mesh) {
const dy = uvs[uvIndexes[3] + 1];
return (srcAspect: number, targetAspect: number, method: 'cover' | 'contain' | 'stretch') => {
let newAx = ax;
let newAy = ay;
let newBx = bx;
let newBy = by;
let newCx = cx;
let newCy = cy;
let newDx = dx;
let newDy = dy;
let uScale = 1;
let vScale = 1;
const ratio = targetAspect / srcAspect;
if (method === 'cover') {
const ratio = targetAspect / srcAspect;
const uRange = ratio < 1 ? ratio : 1;
const vRange = ratio < 1 ? 1 : 1 / ratio;
const uMin = (1 - uRange) / 2;
const uMax = uMin + uRange;
const vMin = (1 - vRange) / 2;
const vMax = vMin + vRange;
newAx = uMin;
newAy = 1 - vMax;
newBx = uMax;
newBy = 1 - vMax;
newCx = uMin;
newCy = 1 - vMin;
newDx = uMax;
newDy = 1 - vMin;
uScale = ratio < 1 ? ratio : 1;
vScale = ratio < 1 ? 1 : 1 / ratio;
} else if (method === 'contain') {
const ratio = targetAspect / srcAspect;
const uRange = ratio > 1 ? ratio : 1;
const vRange = ratio > 1 ? 1 : 1 / ratio;
const uMin = (1 - uRange) / 2;
const uMax = uMin + uRange;
const vMin = (1 - vRange) / 2;
const vMax = vMin + vRange;
newAx = uMin;
newAy = 1 - vMax;
newBx = uMax;
newBy = 1 - vMax;
newCx = uMin;
newCy = 1 - vMin;
newDx = uMax;
newDy = 1 - vMin;
uScale = ratio > 1 ? ratio : 1;
vScale = ratio > 1 ? 1 : 1 / ratio;
} else if (method === 'stretch') {
// nop
}
uvs[uvIndexes[0]] = newAx;
uvs[uvIndexes[0] + 1] = newAy;
uvs[uvIndexes[1]] = newBx;
uvs[uvIndexes[1] + 1] = newBy;
uvs[uvIndexes[2]] = newCx;
uvs[uvIndexes[2] + 1] = newCy;
uvs[uvIndexes[3]] = newDx;
uvs[uvIndexes[3] + 1] = newDy;
/* eslint-disable @stylistic/no-multi-spaces */
// (0,0)を隅ではなく中心として扱いたいので0.5引いて計算してから最後に0.5足す
uvs[uvIndexes[0]] = ((ax - 0.5) * uScale) + 0.5;
uvs[uvIndexes[0] + 1] = ((ay - 0.5) * vScale) + 0.5;
uvs[uvIndexes[1]] = ((bx - 0.5) * uScale) + 0.5;
uvs[uvIndexes[1] + 1] = ((by - 0.5) * vScale) + 0.5;
uvs[uvIndexes[2]] = ((cx - 0.5) * uScale) + 0.5;
uvs[uvIndexes[2] + 1] = ((cy - 0.5) * vScale) + 0.5;
uvs[uvIndexes[3]] = ((dx - 0.5) * uScale) + 0.5;
uvs[uvIndexes[3] + 1] = ((dy - 0.5) * vScale) + 0.5;
mesh.updateVerticesData(BABYLON.VertexBuffer.UVKind, uvs);
};