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120 lines
2.8 KiB
120 lines
2.8 KiB
<template> |
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<div class="line-container"> |
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<!-- 第一个圆点 --> |
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<div class="dot dot-start"></div> |
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<!-- 第一条直线 --> |
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<div |
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class="line line1" |
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:style="{ |
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transform: `rotate(${angle1}deg)`, |
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width: lineWidth1Rem + 'rem' |
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}" |
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></div> |
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<!-- 中间圆点 --> |
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<div |
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class="dot dot-mid" |
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:style="{ |
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top: (1 + Math.sin((angle1 * Math.PI) / 180) * lineWidth1Rem - 0.025) + 'rem', |
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left: (1 + Math.cos((angle1 * Math.PI) / 180) * lineWidth1Rem - 0.025) + 'rem' |
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}" |
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></div> |
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<!-- 第二条直线 --> |
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<div |
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class="line line2" |
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:style="{ |
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top: (1 + Math.sin((angle1 * Math.PI) / 180) * lineWidth1Rem) + 'rem', |
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left: (1 + Math.cos((angle1 * Math.PI) / 180) * lineWidth1Rem) + 'rem', |
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transform: `rotate(${angle2}deg)`, |
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width: lineWidth2Rem + 'rem' |
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}" |
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></div> |
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<!-- 最后一个圆点 --> |
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<div |
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class="dot dot-end" |
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:style="{ |
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top: endDotTop + 'rem', |
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left: endDotLeft + 'rem' |
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}" |
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></div> |
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</div> |
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</template> |
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<script> |
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export default { |
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props: { |
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// 第一条直线的角度 |
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angle1: { |
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type: Number, |
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default: 0 |
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}, |
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// 第二条直线的角度 |
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angle2: { |
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type: Number, |
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default: 0 |
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}, |
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// 第一条直线的宽度(px) |
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lineWidth1: { |
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type: Number, |
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default: 100 |
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}, |
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// 第二条直线的宽度(px) |
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lineWidth2: { |
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type: Number, |
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default: 100 |
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} |
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}, |
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computed: { |
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lineWidth1Rem() { |
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return this.lineWidth1 / 100; |
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}, |
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lineWidth2Rem() { |
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return this.lineWidth2 / 100; |
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}, |
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endDotTop() { |
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// 第一条直线终点的 y 坐标 |
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const firstLineEndY = 1 + Math.sin((this.angle1 * Math.PI) / 180) * this.lineWidth1Rem; |
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// 第二条直线在第一条直线基础上终点的 y 坐标偏移量 |
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const secondLineYOffset = Math.sin((this.angle2 * Math.PI) / 180) * this.lineWidth2Rem; |
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return firstLineEndY + secondLineYOffset - 0.025; |
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}, |
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endDotLeft() { |
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// 第一条直线终点的 x 坐标 |
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const firstLineEndX = 1 + Math.cos((this.angle1 * Math.PI) / 180) * this.lineWidth1Rem; |
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// 第二条直线在第一条直线基础上终点的 x 坐标偏移量 |
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const secondLineXOffset = Math.cos((this.angle2 * Math.PI) / 180) * this.lineWidth2Rem; |
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return firstLineEndX + secondLineXOffset - 0.025; |
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} |
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} |
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}; |
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</script> |
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<style scoped> |
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.line-container { |
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position: relative; |
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} |
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.line { |
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position: absolute; |
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height: 1px; |
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background-color: rgba(0, 255, 255, 0.5); |
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transform-origin: left center; |
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} |
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.line1 { |
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top: 1rem; |
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left: 1rem; |
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} |
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.dot { |
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position: absolute; |
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width: 0.05rem; |
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height: 0.05rem; |
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background-color: aqua; |
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border-radius: 50%; |
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} |
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.dot-start { |
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top: 0.97rem; |
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left: 0.97rem; |
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} |
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</style> |