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Make the reactive signal field visible #3

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Merged
ClaudiuSchuster merged 1 commit into from
Aug 30, 2026
Merged

Make the reactive signal field visible #3

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2 changes: 1 addition & 1 deletion scripts/build-site.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ copy_file assets/brand/oss-singularity-mark.svg assets/brand/oss-singularity-mar
copy_file assets/projects/pdrive-control-center-v080.webp assets/projects/pdrive-control-center-v080.webp
copy_file assets/projects/chatgpt-usage-v030.webp assets/projects/chatgpt-usage-v030.webp
copy_file assets/projects/nemo-action-bar.webp assets/projects/nemo-action-bar.webp
copy_file assets/scripts/reactive-field.js assets/scripts/reactive-field.js
copy_file assets/scripts/reactive-field-v2.js assets/scripts/reactive-field-v2.js
copy_file assets/social/oss-singularity-social-preview.png assets/social/oss-singularity-social-preview.png
copy_file assets/styles/site-v1.css assets/styles/site-v1.css

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4 changes: 2 additions & 2 deletions scripts/check-site.py
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ def main() -> int:
"assets/projects/chatgpt-usage-v030.webp",
"assets/projects/nemo-action-bar.webp",
"assets/projects/pdrive-control-center-v080.webp",
"assets/scripts/reactive-field.js",
"assets/scripts/reactive-field-v2.js",
"assets/social/oss-singularity-social-preview.png",
"assets/styles/site-v1.css",
}
Expand Down Expand Up @@ -146,7 +146,7 @@ def main() -> int:
css_bytes = (root / "assets/styles/site-v1.css").stat().st_size
if css_bytes > 40_000:
fail(f"CSS budget exceeded: {css_bytes} bytes")
script_bytes = (root / "assets/scripts/reactive-field.js").stat().st_size
script_bytes = (root / "assets/scripts/reactive-field-v2.js").stat().st_size
if script_bytes > 8_000:
fail(f"JavaScript budget exceeded: {script_bytes} bytes")
for image in (root / "assets/projects").iterdir():
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90 changes: 66 additions & 24 deletions site/assets/scripts/reactive-field.js → site/assets/scripts/reactive-field-v2.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,13 +32,13 @@
})();

const createParticles = () => {
const density = Math.floor(width * height / 26000);
const count = Math.max(28, Math.min(72, density));
const density = Math.floor(width * height / 15000);
const count = Math.max(48, Math.min(96, density));
particles = Array.from({ length: count }, (_, index) => ({
x: random() * width,
y: random() * height,
depth: .28 + random() * .72,
size: .45 + random() * 1.15,
size: .65 + random() * 1.4,
phase: random() * Math.PI * 2,
accent: index % 7 === 0,
}));
Expand All @@ -55,19 +55,19 @@
};

const positionParticle = (particle, time) => {
let x = particle.x + pointer.easedX * particle.depth * 15;
let y = particle.y + pointer.easedY * particle.depth * 10;
x += Math.sin(time * .00016 + particle.phase) * 2.5 * particle.depth;
y += Math.cos(time * .00012 + particle.phase) * 2 * particle.depth;
let x = particle.x + pointer.easedX * particle.depth * 28;
let y = particle.y + pointer.easedY * particle.depth * 20;
x += Math.sin(time * .00016 + particle.phase) * 4 * particle.depth;
y += Math.cos(time * .00012 + particle.phase) * 3 * particle.depth;

if (pointer.active) {
const offsetX = x - pointer.x;
const offsetY = y - pointer.y;
const distance = Math.hypot(offsetX, offsetY) || 1;
const reach = 190;
const reach = 270;

if (distance < reach) {
const lens = (1 - distance / reach) * 18 * particle.depth;
const lens = (1 - distance / reach) * 48 * particle.depth;
x += offsetX / distance * lens;
y += offsetY / distance * lens;
}
Expand All @@ -81,71 +81,113 @@
return;
}

const glow = context.createRadialGradient(pointer.x, pointer.y, 0, pointer.x, pointer.y, 230);
glow.addColorStop(0, "rgba(101, 229, 255, .075)");
glow.addColorStop(.48, "rgba(255, 99, 200, .035)");
const glow = context.createRadialGradient(pointer.x, pointer.y, 0, pointer.x, pointer.y, 300);
glow.addColorStop(0, "rgba(101, 229, 255, .16)");
glow.addColorStop(.48, "rgba(255, 99, 200, .08)");
glow.addColorStop(1, "rgba(3, 8, 17, 0)");
context.fillStyle = glow;
context.fillRect(pointer.x - 230, pointer.y - 230, 460, 460);
context.fillRect(pointer.x - 300, pointer.y - 300, 600, 600);
};

const drawPointerSignal = (time) => {
if (!pointer.active) {
return;
}

context.save();
context.translate(pointer.x, pointer.y);
context.rotate(time * .00022);
context.setLineDash([3, 9]);
context.lineCap = "round";

context.beginPath();
context.arc(0, 0, 58, -.2, Math.PI * 1.18);
context.strokeStyle = "rgba(101, 229, 255, .48)";
context.lineWidth = 1.1;
context.stroke();

context.rotate(-time * .00046);
context.beginPath();
context.arc(0, 0, 86, .35, Math.PI * 1.45);
context.strokeStyle = "rgba(255, 99, 200, .38)";
context.lineWidth = .9;
context.stroke();

context.setLineDash([]);
context.beginPath();
context.arc(0, 0, 4, 0, Math.PI * 2);
context.strokeStyle = "rgba(185, 243, 255, .72)";
context.lineWidth = 1;
context.stroke();
context.restore();
};

const draw = (time) => {
if (!visible) {
return;
}

pointer.easedX += ((pointer.active ? pointer.x / width - .5 : 0) - pointer.easedX) * .045;
pointer.easedY += ((pointer.active ? pointer.y / height - .5 : 0) - pointer.easedY) * .045;
pointer.easedX += ((pointer.active ? pointer.x / width - .5 : 0) - pointer.easedX) * .075;
pointer.easedY += ((pointer.active ? pointer.y / height - .5 : 0) - pointer.easedY) * .075;

context.clearRect(0, 0, width, height);
context.save();
context.globalCompositeOperation = "lighter";
drawGlow();

const positions = particles.map((particle) => positionParticle(particle, time));

if (pointer.active) {
positions.forEach((point) => {
positions.forEach((point, index) => {
const distance = Math.hypot(point.x - pointer.x, point.y - pointer.y);

if (distance < 165) {
if (distance < 260) {
context.beginPath();
context.moveTo(pointer.x, pointer.y);
context.lineTo(point.x, point.y);
context.strokeStyle = `rgba(255, 99, 200, ${(1 - distance / 165) * .16})`;
context.lineWidth = .7;
const opacity = (1 - distance / 260) * .44;
context.strokeStyle = particles[index].accent
? `rgba(255, 99, 200, ${opacity})`
: `rgba(101, 229, 255, ${opacity})`;
context.lineWidth = 1;
context.stroke();
}
});
}

drawPointerSignal(time);

for (let first = 0; first < positions.length; first += 1) {
for (let second = first + 1; second < positions.length; second += 1) {
const distance = Math.hypot(
positions[first].x - positions[second].x,
positions[first].y - positions[second].y,
);

if (distance < 108) {
if (distance < 145) {
context.beginPath();
context.moveTo(positions[first].x, positions[first].y);
context.lineTo(positions[second].x, positions[second].y);
context.strokeStyle = `rgba(101, 229, 255, ${(1 - distance / 108) * .085})`;
context.lineWidth = .6;
context.strokeStyle = `rgba(101, 229, 255, ${(1 - distance / 145) * .19})`;
context.lineWidth = .75;
context.stroke();
}
}
}

particles.forEach((particle, index) => {
const point = positions[index];
const pulse = .58 + Math.sin(time * .001 + particle.phase) * .22;
const pulse = .7 + Math.sin(time * .001 + particle.phase) * .25;
context.beginPath();
context.arc(point.x, point.y, particle.size, 0, Math.PI * 2);
context.fillStyle = particle.accent
? `rgba(255, 99, 200, ${pulse})`
: `rgba(185, 243, 255, ${pulse * .72})`;
: `rgba(185, 243, 255, ${pulse * .88})`;
context.fill();
});

context.restore();

frame = window.requestAnimationFrame(draw);
};

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2 changes: 1 addition & 1 deletion site/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
<link rel="icon" href="/assets/brand/oss-singularity-mark.svg" type="image/svg+xml">
<link rel="manifest" href="/site.webmanifest">
<link rel="stylesheet" href="/assets/styles/site-v1.css">
<script src="/assets/scripts/reactive-field.js" defer></script>
<script src="/assets/scripts/reactive-field-v2.js" defer></script>
<meta property="og:type" content="website">
<meta property="og:site_name" content="OSS Singularity">
<meta property="og:title" content="OSS Singularity — Engineering beyond the event horizon">
Expand Down