134 lines
4.8 KiB
Vue
134 lines
4.8 KiB
Vue
<!--
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SPDX-FileCopyrightText: syuilo and misskey-project
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SPDX-License-Identifier: AGPL-3.0-only
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-->
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<template>
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<span :class="$style.root">
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<span ref="el" style="display: inline-block;">
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<slot></slot>
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</span>
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<!-- なぜか path に対する key が機能しないため
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<svg :width="width" :height="height" :viewBox="`0 0 ${width} ${height}`" xmlns="http://www.w3.org/2000/svg">
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<path v-for="particle in particles" :key="particle.id" style="transform-origin: center; transform-box: fill-box;"
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:transform="`translate(${particle.x} ${particle.y})`"
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:fill="particle.color"
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d="M29.427,2.011C29.721,0.83 30.782,0 32,0C33.218,0 34.279,0.83 34.573,2.011L39.455,21.646C39.629,22.347 39.991,22.987 40.502,23.498C41.013,24.009 41.653,24.371 42.354,24.545L61.989,29.427C63.17,29.721 64,30.782 64,32C64,33.218 63.17,34.279 61.989,34.573L42.354,39.455C41.653,39.629 41.013,39.991 40.502,40.502C39.991,41.013 39.629,41.653 39.455,42.354L34.573,61.989C34.279,63.17 33.218,64 32,64C30.782,64 29.721,63.17 29.427,61.989L24.545,42.354C24.371,41.653 24.009,41.013 23.498,40.502C22.987,39.991 22.347,39.629 21.646,39.455L2.011,34.573C0.83,34.279 0,33.218 0,32C0,30.782 0.83,29.721 2.011,29.427L21.646,24.545C22.347,24.371 22.987,24.009 23.498,23.498C24.009,22.987 24.371,22.347 24.545,21.646L29.427,2.011Z"
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>
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<animateTransform
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attributeName="transform"
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attributeType="XML"
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type="rotate"
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from="0 0 0"
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to="360 0 0"
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:dur="`${particle.dur}ms`"
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repeatCount="indefinite"
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additive="sum"
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/>
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<animateTransform
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attributeName="transform"
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attributeType="XML"
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type="scale"
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:values="`0; ${particle.size}; 0`"
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:dur="`${particle.dur}ms`"
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repeatCount="indefinite"
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additive="sum"
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/>
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</path>
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</svg>
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-->
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<!-- MFMで上位レイヤーに表示されるため、リンクをクリックできるようにstyleにpointer-events: none;を付与。 -->
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<svg v-for="particle in particles" :key="particle.id" :width="width" :height="height" :viewBox="`0 0 ${width} ${height}`" xmlns="http://www.w3.org/2000/svg" style="position: absolute; top: -32px; left: -32px; pointer-events: none;">
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<path
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style="transform-origin: center; transform-box: fill-box;"
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:transform="`translate(${particle.x} ${particle.y})`"
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:fill="particle.color"
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d="M29.427,2.011C29.721,0.83 30.782,0 32,0C33.218,0 34.279,0.83 34.573,2.011L39.455,21.646C39.629,22.347 39.991,22.987 40.502,23.498C41.013,24.009 41.653,24.371 42.354,24.545L61.989,29.427C63.17,29.721 64,30.782 64,32C64,33.218 63.17,34.279 61.989,34.573L42.354,39.455C41.653,39.629 41.013,39.991 40.502,40.502C39.991,41.013 39.629,41.653 39.455,42.354L34.573,61.989C34.279,63.17 33.218,64 32,64C30.782,64 29.721,63.17 29.427,61.989L24.545,42.354C24.371,41.653 24.009,41.013 23.498,40.502C22.987,39.991 22.347,39.629 21.646,39.455L2.011,34.573C0.83,34.279 0,33.218 0,32C0,30.782 0.83,29.721 2.011,29.427L21.646,24.545C22.347,24.371 22.987,24.009 23.498,23.498C24.009,22.987 24.371,22.347 24.545,21.646L29.427,2.011Z"
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>
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<animateTransform
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attributeName="transform"
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attributeType="XML"
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type="rotate"
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from="0 0 0"
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to="360 0 0"
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:dur="`${particle.dur}ms`"
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repeatCount="1"
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additive="sum"
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/>
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<animateTransform
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attributeName="transform"
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attributeType="XML"
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type="scale"
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:values="`0; ${particle.size}; 0`"
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:dur="`${particle.dur}ms`"
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repeatCount="1"
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additive="sum"
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/>
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</path>
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</svg>
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</span>
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</template>
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<script lang="ts" setup>
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import { onMounted, onUnmounted, ref, shallowRef } from 'vue';
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const particles = ref<{
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id: string,
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x: number,
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y: number,
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size: number,
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dur: number,
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color: string
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}[]>([]);
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const el = shallowRef<HTMLElement>();
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const width = ref(0);
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const height = ref(0);
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const colors = ['#FF1493', '#00FFFF', '#FFE202', '#FFE202', '#FFE202'];
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let stop = false;
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let ro: ResizeObserver | undefined;
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onMounted(() => {
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ro = new ResizeObserver((entries, observer) => {
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if (el.value == null) return;
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width.value = el.value.offsetWidth + 64;
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height.value = el.value.offsetHeight + 64;
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});
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if (el.value) ro.observe(el.value);
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const add = () => {
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if (stop) return;
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const x = (Math.random() * (width.value - 64));
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const y = (Math.random() * (height.value - 64));
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const sizeFactor = Math.random();
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const particle = {
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id: Math.random().toString(),
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x,
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y,
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size: 0.2 + ((sizeFactor / 10) * 3),
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dur: 1000 + (sizeFactor * 1000),
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color: colors[Math.floor(Math.random() * colors.length)],
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};
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particles.value.push(particle);
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window.setTimeout(() => {
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particles.value = particles.value.filter(x => x.id !== particle.id);
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}, particle.dur - 100);
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window.setTimeout(() => {
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add();
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}, 500 + (Math.random() * 500));
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};
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add();
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});
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onUnmounted(() => {
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if (ro) ro.disconnect();
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stop = true;
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});
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</script>
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<style lang="scss" module>
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.root {
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position: relative;
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display: inline-block;
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}
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</style>
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