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#497 Add dynamic glow effect for selected #1162

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#497 Add dynamic glow effect for selected #1162

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7a4c1a8
Initial plan
Copilot Sep 13, 2025
2dabe78
Implement dynamic glow effect for selected elements
Copilot Sep 13, 2025
98c4c3d
Update glow effect: yellow color, faster animation, clearer edges, ap…
Copilot Sep 13, 2025
16d2d1c
change anime time
thekingofcity Sep 13, 2025
a0b84c9
show/hide glow effect with `filter={isSelected ? 'url(#selected-glow)…
thekingofcity Sep 13, 2025
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1 change: 1 addition & 0 deletions src/components/svg-canvas-graph.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -444,6 +444,7 @@ const SvgCanvas = () => {
<>
<SvgLayer
elements={elements}
selected={selected}
handlePointerDown={handlePointerDown}
handlePointerMove={handlePointerMove}
handlePointerUp={handlePointerUp}
Expand Down
47 changes: 41 additions & 6 deletions src/components/svg-layer.tsx
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import React from 'react';
import { LineId, MiscNodeId, StnId } from '../constants/constants';
import { Id, LineId, MiscNodeId, StnId } from '../constants/constants';
import { ExternalLineStyleAttributes, LineStyleComponentProps } from '../constants/lines';
import { MiscNodeType } from '../constants/nodes';
import { StationType } from '../constants/stations';
Expand All @@ -11,6 +11,7 @@ import { default as allStations } from './svgs/stations/stations';

interface SvgLayerProps {
elements: Element[];
selected: Set<Id>;
handlePointerDown: (node: StnId | MiscNodeId, e: React.PointerEvent<SVGElement>) => void;
handlePointerMove: (node: StnId | MiscNodeId, e: React.PointerEvent<SVGElement>) => void;
handlePointerUp: (node: StnId | MiscNodeId, e: React.PointerEvent<SVGElement>) => void;
Expand All @@ -24,7 +25,8 @@ type StyleComponent = React.FC<

const SvgLayer = React.memo(
(props: SvgLayerProps) => {
const { elements, handlePointerDown, handlePointerMove, handlePointerUp, handleEdgePointerDown } = props;
const { elements, selected, handlePointerDown, handlePointerMove, handlePointerUp, handleEdgePointerDown } =
props;

const layers = Object.fromEntries(
Array.from({ length: 21 }, (_, i) => [
Expand Down Expand Up @@ -56,7 +58,8 @@ const SvgLayer = React.memo(
}

const StyleComponent = (lineStyles[style]?.component ?? UnknownLineStyle) as StyleComponent;
layers[element.line!.attr.zIndex].main.push(
const isSelected = selected.has(element.id);
const component = (
<StyleComponent
key={element.id}
id={element.id as LineId}
Expand All @@ -68,6 +71,16 @@ const SvgLayer = React.memo(
/>
);

layers[element.line!.attr.zIndex].main.push(
isSelected ? (
<g key={`${element.id}-glow`} filter="url(#selected-glow)">
{component}
</g>
) : (
component
)
);

const PostStyleComponent = lineStyles[style]?.postComponent as StyleComponent | undefined;
if (PostStyleComponent) {
layers[element.line!.attr.zIndex].post.push(
Expand Down Expand Up @@ -103,7 +116,8 @@ const SvgLayer = React.memo(
}

const StationComponent = allStations[type]?.component ?? UnknownNode;
layers[element.station!.zIndex].main.push(
const isSelected = selected.has(element.id);
const component = (
<StationComponent
key={element.id}
id={element.id as StnId}
Expand All @@ -116,6 +130,16 @@ const SvgLayer = React.memo(
/>
);

layers[element.station!.zIndex].main.push(
isSelected ? (
<g key={`${element.id}-glow`} filter="url(#selected-glow)">
{component}
</g>
) : (
component
)
);

const PostStationComponent = allStations[type]?.postComponent;
if (PostStationComponent) {
layers[element.station!.zIndex].post.push(
Expand Down Expand Up @@ -153,7 +177,8 @@ const SvgLayer = React.memo(
}

const MiscNodeComponent = miscNodes[type]?.component ?? UnknownNode;
layers[element.miscNode!.zIndex].main.push(
const isSelected = selected.has(element.id);
const component = (
<MiscNodeComponent
key={element.id}
id={element.id as MiscNodeId}
Expand All @@ -167,6 +192,16 @@ const SvgLayer = React.memo(
/>
);

layers[element.miscNode!.zIndex].main.push(
isSelected ? (
<g key={`${element.id}-glow`} filter="url(#selected-glow)">
{component}
</g>
) : (
component
)
);

const PostMiscNodeComponent = miscNodes[type]?.postComponent;
if (PostMiscNodeComponent) {
layers[element.miscNode!.zIndex].post.push(
Expand All @@ -192,7 +227,7 @@ const SvgLayer = React.memo(

return jsxElements;
},
(prevProps, nextProps) => prevProps.elements === nextProps.elements
(prevProps, nextProps) => prevProps.elements === nextProps.elements && prevProps.selected === nextProps.selected
);

export default SvgLayer;
20 changes: 20 additions & 0 deletions src/components/svg-wrapper.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -476,6 +476,26 @@ const SvgWrapper = () => {
<rect x="0" y="0" width="2.5" height="2.5" fill="black" fillOpacity="50%" />
<rect x="2.5" y="2.5" width="2.5" height="2.5" fill="black" fillOpacity="50%" />
</pattern>
<filter id="selected-glow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur stdDeviation="3" result="coloredBlur" />
<feMerge>
<feMergeNode in="coloredBlur" />
<feMergeNode in="SourceGraphic" />
</feMerge>
<feColorMatrix
values="0.2 0.4 1 0 0 0.2 0.4 1 0 0 0.2 0.4 1 0 0 0 0 0 1 0"
result="blueGlow"
/>
<feGaussianBlur in="blueGlow" stdDeviation="2" result="blur1" />
<feGaussianBlur in="blueGlow" stdDeviation="4" result="blur2">
<animate attributeName="stdDeviation" values="2;6;2" dur="2s" repeatCount="indefinite" />
</feGaussianBlur>
<feMerge>
<feMergeNode in="blur2" />
<feMergeNode in="blur1" />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
</defs>
{gridLines && (
<GridLines
Expand Down