zink/animated_wallpaper
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Shadow on receiving voxel from edge to center

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Richard Zink committed 2026-10-06 18:07:23 +02:00
1 parent e912721303
commit 5ae08e1368
1 file changed
+23 -23
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assets/index.html
+23 -23
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@@ -198,46 +198,46 @@
var hLeftNeighbor = heightMap[(wx - TILE) + ',' + wy] || 0; var hLeftNeighbor = heightMap[(wx - TILE) + ',' + wy] || 0;
var hFrontNeighbor = heightMap[wx + ',' + (wy + TILE)] || 0; var hFrontNeighbor = heightMap[wx + ',' + (wy + TILE)] || 0;
var shadowOnRight = h - hLeftNeighbor; var shadowFromRight = hLeftNeighbor - h;
var shadowOnFront = h - hFrontNeighbor; var shadowFromFront = hFrontNeighbor - h;
if (shadowOnRight > 0) { if (shadowFromRight > 0) {
var shadowW = Math.min(shadowOnRight * 2, TILE); var shadowW = Math.min(shadowFromRight * 2, TILE);
var tt = shadowW / TILE; var tt = shadowW / TILE;
var origin1 = project(wx + GAP/2, wy + TILE - GAP/2, h * HEIGHT_UNIT); var target2 = project((wx - TILE) + GAP/2, wy + TILE - GAP/2, h * HEIGHT_UNIT);
var origin4 = project(wx + GAP/2, wy + GAP/2, h * HEIGHT_UNIT); var target3 = project((wx - TILE) + GAP/2, wy + GAP/2, h * HEIGHT_UNIT);
var p1 = project((wx - TILE) + GAP/2 + shadowW, wy + TILE - GAP/2, hLeftNeighbor * HEIGHT_UNIT); var origin4 = project(wx + GAP/2 + shadowW, wy + TILE - GAP/2 - shadowW, h * HEIGHT_UNIT);
var p2 = project((wx - TILE) + GAP/2 + shadowW, wy + GAP/2, hLeftNeighbor * HEIGHT_UNIT); var origin1 = project(wx + GAP/2 + shadowW, wy + GAP/2 + shadowW, h * HEIGHT_UNIT);
renderList.push({ renderList.push({
type: 'shadow', type: 'shadow',
points: [ points: [
{ x: target2[0], y: target2[1] },
{ x: origin4[0], y: origin4[1] }, { x: origin4[0], y: origin4[1] },
{ x: p1[0], y: p1[1] }, { x: origin1[0], y: origin1[1] },
{ x: p2[0], y: p2[1] }, { x: target3[0], y: target3[1] }
{ x: origin1[0], y: origin1[1] }
], ],
depth: (wx - TILE) + wy + hLeftNeighbor + 0.999 depth: (wx - TILE) + wy + h + 0.999
}); });
} }
if (shadowOnFront > 0) { if (shadowFromFront > 0) {
var shadowW = Math.min(shadowOnFront * 2, TILE); var shadowW = Math.min(shadowFromFront * 2, TILE);
var tt = shadowW / TILE; var tt = shadowW / TILE;
var origin3 = project(wx + TILE - GAP/2, wy + GAP/2, h * HEIGHT_UNIT); var target1 = project(wx + GAP/2, (wy + TILE) - GAP/2, h * HEIGHT_UNIT);
var origin4 = project(wx + GAP/2, wy + GAP/2, h * HEIGHT_UNIT); var target2 = project(wx + TILE - GAP/2, (wy + TILE) - GAP/2, h * HEIGHT_UNIT);
var p1 = project(wx + GAP/2, (wy + TILE) - GAP/2 - shadowW, hFrontNeighbor * HEIGHT_UNIT); var origin4 = project(wx + GAP/2 + shadowW, wy + GAP/2 + shadowW, h * HEIGHT_UNIT);
var p2 = project(wx + TILE - GAP/2, (wy + TILE) - GAP/2 - shadowW, hFrontNeighbor * HEIGHT_UNIT); var origin3 = project(wx + TILE - GAP/2 - shadowW, wy + GAP/2 + shadowW, h * HEIGHT_UNIT);
renderList.push({ renderList.push({
type: 'shadow', type: 'shadow',
points: [ points: [
{ x: origin4[0], y: origin4[1] }, { x: target1[0], y: target1[1] },
{ x: p1[0], y: p1[1] }, { x: target2[0], y: target2[1] },
{ x: p2[0], y: p2[1] }, { x: origin3[0], y: origin3[1] },
{ x: origin3[0], y: origin3[1] } { x: origin4[0], y: origin4[1] }
], ],
depth: wx + (wy + TILE) + hFrontNeighbor + 0.999 depth: wx + (wy + TILE) + h + 0.999
}); });
} }
} }