computeRectWithPinnedLine 是不是应该以中心点还原旋转

[yiminghe]

而不是现在的绕原点？

rotate-resize/rotateResize.js

Lines 134 to 159 in ad556a7

	export const computeRectWithPinnedLine = (pinnedPoints, dragPoint, angle) => {
	const [rotateP0, rotateP1] = pinnedPoints.map(p => rotatePosition(p, -angle))
	const rotateDrag = rotatePosition(dragPoint, -angle)
	let w, h, rotatedCenter
	if (roughlyEqual(rotateP0.y, rotateP1.y)) {
	w = Math.abs(rotateP0.x - rotateP1.x)
	h = Math.abs(rotateDrag.y - rotateP0.y)
	rotatedCenter = {
	x: (rotateP0.x + rotateP1.x) / 2,
	y: (rotateP0.y + rotateDrag.y) / 2
	}
	} else if (roughlyEqual(rotateP0.x, rotateP1.x)) {
	h = Math.abs(rotateP0.y - rotateP1.y)
	w = Math.abs(rotateDrag.x - rotateP0.x)
	rotatedCenter = {
	x: (rotateP0.x + rotateDrag.x) / 2,
	y: (rotateP0.y + rotateP1.y) / 2
	}
	}
	const center = rotatePosition(rotatedCenter, angle)
	const x = center.x - w / 2
	const y = center.y - h / 2
	return {
	x, y, w, h, r: angle
	}
	}

export const computeRectWithPinnedLine = (pinnedPoints, dragPoint, e) => {
  const angle = e.rect.r;
  const center = e.center;
  const [rotateP0, rotateP1] = pinnedPoints.map(p => rotatePositionRelatively(p,center, -angle))
  const rotateDrag = rotatePositionRelatively(dragPoint, center,-angle)
  let w, h, rotatedCenter
  if (roughlyEqual(rotateP0.y, rotateP1.y)) {
    w = Math.abs(rotateP0.x - rotateP1.x)
    h = Math.abs(rotateDrag.y - rotateP0.y)
    rotatedCenter = {
      x: (rotateP0.x + rotateP1.x) / 2,
      y: (rotateP0.y + rotateDrag.y) / 2
    }
  } else if (roughlyEqual(rotateP0.x, rotateP1.x)) {
    h = Math.abs(rotateP0.y - rotateP1.y)
    w = Math.abs(rotateDrag.x - rotateP0.x)
    rotatedCenter = {
      x: (rotateP0.x + rotateDrag.x) / 2,
      y: (rotateP0.y + rotateP1.y) / 2
    }
  }
  const center2 = rotatePositionRelatively(rotatedCenter,center, angle)
  const x = center2.x - w / 2
  const y = center2.y - h / 2
  return {
    x, y, w, h, r: angle
  }
}

[ioslh]

@yiminghe 才看到这个 issue，我回忆了下当时的思路，感觉确实是有问题的；我晚上用你这个算法修改试试。