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https://gitlab1.ptb.de/waltem01/Matrix
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better commentary
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@ -1,16 +1,21 @@
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<script lang="ts">
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<script lang="ts">
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import { onMount } from 'svelte';
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import { onMount } from 'svelte';
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// Data structure to keep track of clock
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interface Clock {
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interface Clock {
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// Clock circle radius
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body: number;
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body: number;
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// Clock hand radii
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hands: {
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hands: {
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minute: number;
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minute: number;
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hour: number;
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hour: number;
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};
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};
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// Clock time percentages
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time: {
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time: {
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minute: number;
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minute: number;
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hour: number;
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hour: number;
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};
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};
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// Clock hand positions
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positions?: {
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positions?: {
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minute: {
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minute: {
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x: number;
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x: number;
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@ -21,9 +26,11 @@
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y: number;
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y: number;
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};
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};
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};
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};
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// Clock update speed in seconds
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speed: number;
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speed: number;
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}
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}
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//.System variables
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const clock: Clock = {
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const clock: Clock = {
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body: 50,
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body: 50,
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hands: {
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hands: {
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@ -39,8 +46,8 @@
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const TWO_PI = 2 * Math.PI;
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const TWO_PI = 2 * Math.PI;
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const HALF_PI = Math.PI / 2;
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const HALF_PI = Math.PI / 2;
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// (x = r * cos(a), y = r * sin(a))
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function calcPos(time: 'minute' | 'hour', operation: 'sin' | 'cos') {
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function calcPos(time: 'minute' | 'hour', operation: 'sin' | 'cos') {
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// Calculate (x = r * cos(a), y = r * sin(a))
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const radius = clock.hands[time];
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const radius = clock.hands[time];
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const angle = TWO_PI * clock.time[time];
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const angle = TWO_PI * clock.time[time];
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const relative = Math[operation](angle - HALF_PI);
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const relative = Math[operation](angle - HALF_PI);
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@ -52,10 +59,12 @@
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const current = new Date();
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const current = new Date();
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const time = current.toTimeString();
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const time = current.toTimeString();
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const [hour, minute, _] = time.split(' ')[0].split(':');
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const [hour, minute, _] = time.split(' ')[0].split(':');
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// Update time variables
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clock.time = {
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clock.time = {
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hour: Number(hour) / 12,
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hour: Number(hour) / 12,
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minute: Number(minute) / 60
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minute: Number(minute) / 60
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};
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};
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// Update hand positions
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clock.positions = {
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clock.positions = {
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minute: {
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minute: {
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x: calcPos('minute', 'cos'),
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x: calcPos('minute', 'cos'),
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@ -74,8 +83,10 @@
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});
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});
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</script>
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</script>
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<!-- Virtual clock display using SVG -->
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<div class="bg-black">
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<div class="bg-black">
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<svg class="text-white" viewBox="0 0 100 100">
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<svg class="text-white" viewBox="0 0 100 100">
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<!-- Clock body -->
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<circle class="stroke-current" cx="50" cy="50" r={clock.body} fill="none" stroke-width="2" />
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<circle class="stroke-current" cx="50" cy="50" r={clock.body} fill="none" stroke-width="2" />
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<line
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<line
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class="stroke-current"
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class="stroke-current"
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@ -85,6 +96,7 @@
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y2={clock.positions?.minute.y ?? 0}
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y2={clock.positions?.minute.y ?? 0}
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stroke-width="1"
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stroke-width="1"
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/>
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/>
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<!-- Clock hours hand -->
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<line
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<line
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class="stroke-current"
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class="stroke-current"
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x1="50"
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x1="50"
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