initialize clock page

This commit is contained in:
waltem01 2024-02-22 13:43:56 +01:00
parent 5de98094f8
commit 149c03e82f

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@ -0,0 +1,58 @@
<script lang="ts">
interface Clock {
body: number;
hands: {
minute: number;
hour: number;
};
time: {
minute: number;
hour: number;
};
}
const clock = {
body: 50,
hands: {
minute: 45,
hour: 25
},
time: {
minute: 0,
hour: 0
}
} as Clock;
const TWO_PI = 2 * Math.PI;
const HALF_PI = Math.PI / 2;
// (x = r * cos(a), y = r * sin(a))
function calcPos(time: 'minute' | 'hour', operation: 'sin' | 'cos') {
const radius = clock.hands[time];
const angle = TWO_PI * clock.time[time];
const relative = Math[operation](angle - HALF_PI);
return 50 + radius * relative;
}
</script>
<div class="bg-black">
<svg class="text-white" viewBox="0 0 100 100">
<circle class="stroke-current" cx="50" cy="50" r={clock.body} fill="none" stroke-width="2" />
<line
class="stroke-current"
x1="50"
y1="50"
x2={calcPos('minute', 'cos')}
y2={calcPos('minute', 'sin')}
stroke-width="1"
/>
<line
class="stroke-current"
x1="50"
y1="50"
x2={calcPos('hour', 'cos')}
y2={calcPos('hour', 'sin')}
stroke-width="2"
/>
</svg>
</div>