From 9384f5399da39e53855beb8e7f8ded1aa56bf72e Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Tue, 27 Dec 2022 14:36:33 +0900
Subject: rename: client -> frontend

---
 packages/frontend/src/components/MkAnalogClock.vue | 225 +++++++++++++++++++++
 1 file changed, 225 insertions(+)
 create mode 100644 packages/frontend/src/components/MkAnalogClock.vue

(limited to 'packages/frontend/src/components/MkAnalogClock.vue')

diff --git a/packages/frontend/src/components/MkAnalogClock.vue b/packages/frontend/src/components/MkAnalogClock.vue
new file mode 100644
index 0000000000..40ef626aed
--- /dev/null
+++ b/packages/frontend/src/components/MkAnalogClock.vue
@@ -0,0 +1,225 @@
+<template>
+<svg class="mbcofsoe" viewBox="0 0 10 10" preserveAspectRatio="none">
+	<template v-if="props.graduations === 'dots'">
+		<circle
+			v-for="(angle, i) in graduationsMajor"
+			:cx="5 + (Math.sin(angle) * (5 - graduationsPadding))"
+			:cy="5 - (Math.cos(angle) * (5 - graduationsPadding))"
+			:r="0.125"
+			:fill="(props.twentyfour ? h : h % 12) === i ? nowColor : majorGraduationColor"
+			:opacity="!props.fadeGraduations || (props.twentyfour ? h : h % 12) === i ? 1 : Math.max(0, 1 - (angleDiff(hAngle, angle) / Math.PI) - numbersOpacityFactor)"
+		/>
+	</template>
+	<template v-else-if="props.graduations === 'numbers'">
+		<text
+			v-for="(angle, i) in texts"
+			:x="5 + (Math.sin(angle) * (5 - textsPadding))"
+			:y="5 - (Math.cos(angle) * (5 - textsPadding))"
+			text-anchor="middle"
+			dominant-baseline="middle"
+			:font-size="(props.twentyfour ? h : h % 12) === i ? 1 : 0.7"
+			:font-weight="(props.twentyfour ? h : h % 12) === i ? 'bold' : 'normal'"
+			:fill="(props.twentyfour ? h : h % 12) === i ? nowColor : 'currentColor'"
+			:opacity="!props.fadeGraduations || (props.twentyfour ? h : h % 12) === i ? 1 : Math.max(0, 1 - (angleDiff(hAngle, angle) / Math.PI) - numbersOpacityFactor)"
+		>
+			{{ i === 0 ? (props.twentyfour ? '24' : '12') : i }}
+		</text>
+	</template>
+
+	<!--
+	<line
+		:x1="5 - (Math.sin(sAngle) * (sHandLengthRatio * handsTailLength))"
+		:y1="5 + (Math.cos(sAngle) * (sHandLengthRatio * handsTailLength))"
+		:x2="5 + (Math.sin(sAngle) * ((sHandLengthRatio * 5) - handsPadding))"
+		:y2="5 - (Math.cos(sAngle) * ((sHandLengthRatio * 5) - handsPadding))"
+		:stroke="sHandColor"
+		:stroke-width="thickness / 2"
+		stroke-linecap="round"
+	/>
+	-->
+
+	<line
+		class="s"
+		:class="{ animate: !disableSAnimate && sAnimation !== 'none', elastic: sAnimation === 'elastic', easeOut: sAnimation === 'easeOut' }"
+		:x1="5 - (0 * (sHandLengthRatio * handsTailLength))"
+		:y1="5 + (1 * (sHandLengthRatio * handsTailLength))"
+		:x2="5 + (0 * ((sHandLengthRatio * 5) - handsPadding))"
+		:y2="5 - (1 * ((sHandLengthRatio * 5) - handsPadding))"
+		:stroke="sHandColor"
+		:stroke-width="thickness / 2"
+		:style="`transform: rotateZ(${sAngle}rad)`"
+		stroke-linecap="round"
+	/>
+
+	<line
+		:x1="5 - (Math.sin(mAngle) * (mHandLengthRatio * handsTailLength))"
+		:y1="5 + (Math.cos(mAngle) * (mHandLengthRatio * handsTailLength))"
+		:x2="5 + (Math.sin(mAngle) * ((mHandLengthRatio * 5) - handsPadding))"
+		:y2="5 - (Math.cos(mAngle) * ((mHandLengthRatio * 5) - handsPadding))"
+		:stroke="mHandColor"
+		:stroke-width="thickness"
+		stroke-linecap="round"
+	/>
+
+	<line
+		:x1="5 - (Math.sin(hAngle) * (hHandLengthRatio * handsTailLength))"
+		:y1="5 + (Math.cos(hAngle) * (hHandLengthRatio * handsTailLength))"
+		:x2="5 + (Math.sin(hAngle) * ((hHandLengthRatio * 5) - handsPadding))"
+		:y2="5 - (Math.cos(hAngle) * ((hHandLengthRatio * 5) - handsPadding))"
+		:stroke="hHandColor"
+		:stroke-width="thickness"
+		stroke-linecap="round"
+	/>
+</svg>
+</template>
+
+<script lang="ts" setup>
+import { ref, computed, onMounted, onBeforeUnmount, shallowRef, nextTick } from 'vue';
+import tinycolor from 'tinycolor2';
+import { globalEvents } from '@/events.js';
+
+// https://stackoverflow.com/questions/1878907/how-can-i-find-the-difference-between-two-angles
+const angleDiff = (a: number, b: number) => {
+	const x = Math.abs(a - b);
+	return Math.abs((x + Math.PI) % (Math.PI * 2) - Math.PI);
+};
+
+const graduationsPadding = 0.5;
+const textsPadding = 0.6;
+const handsPadding = 1;
+const handsTailLength = 0.7;
+const hHandLengthRatio = 0.75;
+const mHandLengthRatio = 1;
+const sHandLengthRatio = 1;
+const numbersOpacityFactor = 0.35;
+
+const props = withDefaults(defineProps<{
+	thickness?: number;
+	offset?: number;
+	twentyfour?: boolean;
+	graduations?: 'none' | 'dots' | 'numbers';
+	fadeGraduations?: boolean;
+	sAnimation?: 'none' | 'elastic' | 'easeOut';
+}>(), {
+	numbers: false,
+	thickness: 0.1,
+	offset: 0 - new Date().getTimezoneOffset(),
+	twentyfour: false,
+	graduations: 'dots',
+	fadeGraduations: true,
+	sAnimation: 'elastic',
+});
+
+const graduationsMajor = computed(() => {
+	const angles: number[] = [];
+	const times = props.twentyfour ? 24 : 12;
+	for (let i = 0; i < times; i++) {
+		const angle = Math.PI * i / (times / 2);
+		angles.push(angle);
+	}
+	return angles;
+});
+const texts = computed(() => {
+	const angles: number[] = [];
+	const times = props.twentyfour ? 24 : 12;
+	for (let i = 0; i < times; i++) {
+		const angle = Math.PI * i / (times / 2);
+		angles.push(angle);
+	}
+	return angles;
+});
+
+let enabled = true;
+let majorGraduationColor = $ref<string>();
+//let minorGraduationColor = $ref<string>();
+let sHandColor = $ref<string>();
+let mHandColor = $ref<string>();
+let hHandColor = $ref<string>();
+let nowColor = $ref<string>();
+let h = $ref<number>(0);
+let m = $ref<number>(0);
+let s = $ref<number>(0);
+let hAngle = $ref<number>(0);
+let mAngle = $ref<number>(0);
+let sAngle = $ref<number>(0);
+let disableSAnimate = $ref(false);
+let sOneRound = false;
+
+function tick() {
+	const now = new Date();
+	now.setMinutes(now.getMinutes() + (new Date().getTimezoneOffset() + props.offset));
+	s = now.getSeconds();
+	m = now.getMinutes();
+	h = now.getHours();
+	hAngle = Math.PI * (h % (props.twentyfour ? 24 : 12) + (m + s / 60) / 60) / (props.twentyfour ? 12 : 6);
+	mAngle = Math.PI * (m + s / 60) / 30;
+	if (sOneRound) { // 秒針が一周した際のアニメーションをよしなに処理する(これが無いと秒が59->0になったときに期待したアニメーションにならない)
+		sAngle = Math.PI * 60 / 30;
+		window.setTimeout(() => {
+			disableSAnimate = true;
+			window.setTimeout(() => {
+				sAngle = 0;
+				window.setTimeout(() => {
+					disableSAnimate = false;
+				}, 100);
+			}, 100);
+		}, 700);
+	} else {
+		sAngle = Math.PI * s / 30;
+	}
+	sOneRound = s === 59;
+}
+
+tick();
+
+function calcColors() {
+	const computedStyle = getComputedStyle(document.documentElement);
+	const dark = tinycolor(computedStyle.getPropertyValue('--bg')).isDark();
+	const accent = tinycolor(computedStyle.getPropertyValue('--accent')).toHexString();
+	majorGraduationColor = dark ? 'rgba(255, 255, 255, 0.3)' : 'rgba(0, 0, 0, 0.3)';
+	//minorGraduationColor = dark ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
+	sHandColor = dark ? 'rgba(255, 255, 255, 0.5)' : 'rgba(0, 0, 0, 0.3)';
+	mHandColor = tinycolor(computedStyle.getPropertyValue('--fg')).toHexString();
+	hHandColor = accent;
+	nowColor = accent;
+}
+
+calcColors();
+
+onMounted(() => {
+	const update = () => {
+		if (enabled) {
+			tick();
+			window.setTimeout(update, 1000);
+		}
+	};
+	update();
+
+	globalEvents.on('themeChanged', calcColors);
+});
+
+onBeforeUnmount(() => {
+	enabled = false;
+
+	globalEvents.off('themeChanged', calcColors);
+});
+</script>
+
+<style lang="scss" scoped>
+.mbcofsoe {
+	display: block;
+
+	> .s {
+		will-change: transform;
+		transform-origin: 50% 50%;
+
+		&.animate.elastic {
+			transition: transform .2s cubic-bezier(.4,2.08,.55,.44);
+		}
+
+		&.animate.easeOut {
+			transition: transform .7s cubic-bezier(0,.7,.3,1);
+		}
+	}
+}
+</style>
-- 
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