33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
/**
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* Bratonien Adventskalender – Türchen-Positionierung (2025)
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* ---------------------------------------------------------
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* Liest data-top / data-left / data-width aus jedem .door
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* und positioniert die Elemente exakt auf dem sichtbaren Bild.
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*/
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const SCALE_FACTOR = 0.9; // 0.9 = etwas kleiner, 1.0 = originalgröße
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function positionAllDoors() {
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const cont = document.querySelector('.kalenderbild');
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const img = cont?.querySelector('img');
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if (!cont || !img) return;
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const imgRect = img.getBoundingClientRect();
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const contRect = cont.getBoundingClientRect();
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document.querySelectorAll('.door').forEach(door => {
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const topPct = parseFloat(door.dataset.top) || 0;
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const leftPct = parseFloat(door.dataset.left) || 0;
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const widthPct = (parseFloat(door.dataset.width) || 10) * SCALE_FACTOR;
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const w = imgRect.width * (widthPct / 100);
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door.style.position = 'absolute';
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door.style.width = w + 'px';
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door.style.height = w + 'px';
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door.style.top = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
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door.style.left = (imgRect.left - contRect.left + imgRect.width * (leftPct / 100)) + 'px';
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});
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}
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window.addEventListener('load', positionAllDoors);
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window.addEventListener('resize', positionAllDoors); |