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✨ feat: add theme toggle functionality and update related files

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This commit is contained in:
Till Tomczak
2025-05-02 18:52:18 +02:00
parent 699127f41f
commit a99f82d4cf
3 changed files with 273 additions and 142 deletions
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218
static/neural-network-background.js
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@@ -252,178 +252,122 @@ class NeuralNetworkBackground {
if (progress >= 1) {
// Flow beenden
connection.active = false;
connection.flowProgress = 0;
this.activeConnections.delete(connectionId);
} else {
connection.flowProgress = progress;
}
}
// Neue aktive Verbindungen starten
if (this.activeConnections.size < this.config.flowDensity && Math.random() < 0.05) {
// Zufälligen Knoten auswählen
const nodeIndex = Math.floor(Math.random() * this.nodes.length);
const node = this.nodes[nodeIndex];
// Neue Flows starten, wenn unter dem Limit
if (this.activeConnections.size < this.config.flowDensity) {
// Wähle eine zufällige Verbindung
const availableConnections = this.connections.filter(c => !c.active);
// Anzahl der aktiven Verbindungen für diesen Knoten zählen
const activeConnectionsCount = Array.from(this.activeConnections)
.filter(id => {
const [from, to] = id.split('-').map(Number);
return from === nodeIndex || to === nodeIndex;
}).length;
// Nur neue Verbindung aktivieren, wenn Knoten noch nicht zu viele aktive hat
if (activeConnectionsCount < this.config.maxFlowsPerNode) {
// Verfügbare Verbindungen für diesen Knoten finden
const availableConnections = node.connections.filter(conn => !conn.active);
if (availableConnections.length > 0) {
const randomIndex = Math.floor(Math.random() * availableConnections.length);
const connection = availableConnections[randomIndex];
if (availableConnections.length > 0) {
// Zufällige Verbindung auswählen
const connection = availableConnections[Math.floor(Math.random() * availableConnections.length)];
// Verbindung aktivieren
connection.active = true;
connection.flowProgress = 0;
connection.flowStart = now;
connection.flowDuration = this.config.flowDuration[0] +
Math.random() * (this.config.flowDuration[1] - this.config.flowDuration[0]);
this.activeConnections.add(connection.id);
}
}
}
// Verbindungsdistanzen neu berechnen
for (let i = 0; i < this.connections.length; i++) {
const connection = this.connections[i];
const nodeA = this.nodes[connection.from];
const nodeB = this.nodes[connection.to];
const dx = nodeA.x - nodeB.x;
const dy = nodeA.y - nodeB.y;
const distance = Math.sqrt(dx * dx + dy * dy);
connection.distance = distance;
// Bei zu großer Distanz Verbindung deaktivieren
if (distance > this.config.connectionDistance) {
connection.opacity = 0;
// Aktiviere die Verbindung
connection.active = true;
connection.flowProgress = 0;
connection.flowStart = now;
connection.flowDuration = this.config.flowDuration[0] +
Math.random() * (this.config.flowDuration[1] - this.config.flowDuration[0]);
if (connection.active) {
connection.active = false;
connection.flowProgress = 0;
this.activeConnections.delete(connection.id);
}
} else {
// Verbesserte Berechnung der Opazität für einen natürlicheren Look
const opacityFactor = document.documentElement.classList.contains('dark') ? 1.0 : 0.85;
connection.opacity = Math.max(0.08, (1 - (distance / this.config.connectionDistance)) * this.config.connectionOpacity * opacityFactor);
this.activeConnections.add(connection.id);
}
}
}
render(now) {
// Canvas löschen
this.ctx.clearRect(0, 0, this.canvas.width / (window.devicePixelRatio || 1), this.canvas.height / (window.devicePixelRatio || 1));
// Aktualisiere Farbpalette basierend auf aktuellem Theme
// Aktualisiere Farben basierend auf aktuellem Theme
this.currentColors = document.documentElement.classList.contains('dark')
? this.colors.dark
: this.colors.light;
const colors = this.currentColors;
const width = this.canvas.width / (window.devicePixelRatio || 1);
const height = this.canvas.height / (window.devicePixelRatio || 1);
// Hintergrund löschen
this.ctx.fillStyle = colors.background;
this.ctx.fillRect(0, 0, width, height);
// Verbindungen zeichnen (statisch)
this.ctx.strokeStyle = colors.connectionColor;
this.ctx.lineWidth = 1.2;
for (const connection of this.connections) {
const fromNode = this.nodes[connection.from];
const toNode = this.nodes[connection.to];
// Light Mode mit zusätzlichem Blur-Effekt für weicheres Erscheinungsbild
if (!document.documentElement.classList.contains('dark')) {
this.ctx.filter = 'blur(0.5px)';
} else {
this.ctx.filter = 'none';
this.ctx.globalAlpha = connection.opacity * 0.5;
this.ctx.beginPath();
this.ctx.moveTo(fromNode.x, fromNode.y);
this.ctx.lineTo(toNode.x, toNode.y);
this.ctx.stroke();
}
// Verbindungen zeichnen
for (let i = 0; i < this.connections.length; i++) {
const connection = this.connections[i];
// Aktive Verbindungen zeichnen (Flows)
this.ctx.strokeStyle = colors.flowColor;
this.ctx.lineWidth = 2.5;
for (const connectionId of this.activeConnections) {
const connection = this.connections.find(c => c.id === connectionId);
if (!connection) continue;
if (connection.opacity <= 0) continue;
const fromNode = this.nodes[connection.from];
const toNode = this.nodes[connection.to];
const nodeA = this.nodes[connection.from];
const nodeB = this.nodes[connection.to];
// Glühen-Effekt
this.ctx.globalAlpha = Math.sin(connection.flowProgress * Math.PI) * 0.8;
this.ctx.strokeStyle = this.currentColors.connectionColor;
this.ctx.globalAlpha = connection.opacity;
// Linie zeichnen
this.ctx.beginPath();
this.ctx.moveTo(nodeA.x, nodeA.y);
this.ctx.lineTo(nodeB.x, nodeB.y);
this.ctx.moveTo(fromNode.x, fromNode.y);
this.ctx.lineTo(toNode.x, toNode.y);
this.ctx.stroke();
// Aktive Verbindungen mit Fluss darstellen
if (connection.active) {
const fromX = nodeA.x;
const fromY = nodeA.y;
const toX = nodeB.x;
const toY = nodeB.y;
// Position des Flusspunkts
const x = fromX + (toX - fromX) * connection.flowProgress;
const y = fromY + (toY - fromY) * connection.flowProgress;
// Fluss-Effekt zeichnen
const pulseSize = document.documentElement.classList.contains('dark') ? 3 : 4;
const pulseOpacity = document.documentElement.classList.contains('dark') ? 0.8 : 0.85;
// Pulse-Effekt
this.ctx.fillStyle = this.currentColors.flowColor;
this.ctx.globalAlpha = pulseOpacity;
this.ctx.beginPath();
this.ctx.arc(x, y, pulseSize, 0, Math.PI * 2);
this.ctx.fill();
// Glow-Effekt
const gradient = this.ctx.createRadialGradient(x, y, 0, x, y, pulseSize * 2);
gradient.addColorStop(0, this.hexToRgba(this.currentColors.flowColor, 0.4));
gradient.addColorStop(1, this.hexToRgba(this.currentColors.flowColor, 0));
this.ctx.fillStyle = gradient;
this.ctx.globalAlpha = 0.8;
this.ctx.beginPath();
this.ctx.arc(x, y, pulseSize * 2, 0, Math.PI * 2);
this.ctx.fill();
}
// Fließendes Partikel
const progress = connection.flowProgress;
const x = fromNode.x + (toNode.x - fromNode.x) * progress;
const y = fromNode.y + (toNode.y - fromNode.y) * progress;
this.ctx.globalAlpha = 0.9;
this.ctx.fillStyle = colors.flowColor;
this.ctx.beginPath();
this.ctx.arc(x, y, 2, 0, Math.PI * 2);
this.ctx.fill();
}
// Knoten zeichnen
for (let i = 0; i < this.nodes.length; i++) {
const node = this.nodes[i];
const isPulsing = now - node.lastPulse < 300;
for (const node of this.nodes) {
// Pulsierende Knoten
const timeSinceLastPulse = now - node.lastPulse;
const isPulsing = timeSinceLastPulse < 800;
const pulseProgress = isPulsing ? timeSinceLastPulse / 800 : 0;
// Erhöhte Helligkeit für pulsierende Knoten
const nodeColor = isPulsing ? this.currentColors.nodePulse : this.currentColors.nodeColor;
const glowSize = isPulsing ? node.size * 2.5 : node.size * 1.5;
// Knoten selbst
this.ctx.globalAlpha = 1;
this.ctx.fillStyle = isPulsing
? colors.nodePulse
: colors.nodeColor;
// Glow-Effekt
const gradient = this.ctx.createRadialGradient(
node.x, node.y, 0,
node.x, node.y, glowSize
);
gradient.addColorStop(0, this.hexToRgba(nodeColor, isPulsing ? 0.6 : 0.3));
gradient.addColorStop(1, this.hexToRgba(nodeColor, 0));
this.ctx.fillStyle = gradient;
this.ctx.globalAlpha = document.documentElement.classList.contains('dark') ? 0.7 : 0.5;
this.ctx.beginPath();
this.ctx.arc(node.x, node.y, glowSize, 0, Math.PI * 2);
this.ctx.arc(node.x, node.y, node.size + (isPulsing ? 1 * Math.sin(pulseProgress * Math.PI) : 0), 0, Math.PI * 2);
this.ctx.fill();
// Knoten selbst zeichnen
this.ctx.fillStyle = nodeColor;
this.ctx.globalAlpha = 0.8;
// Wenn pulsierend, füge einen Glow-Effekt hinzu
if (isPulsing) {
this.ctx.globalAlpha = 0.5 * (1 - pulseProgress);
this.ctx.beginPath();
this.ctx.arc(node.x, node.y, node.size, 0, Math.PI * 2);
this.ctx.arc(node.x, node.y, node.size + 5 * pulseProgress, 0, Math.PI * 2);
this.ctx.fill();
}
}
// Zurücksetzen der Globalwerte
this.ctx.globalAlpha = 1;
this.ctx.filter = 'none';
}
destroy() {
@@ -447,9 +391,6 @@ class NeuralNetworkBackground {
}
hexToRgb(hex) {
const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, (m, r, g, b) => r + r + g + g + b + b);
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
@@ -457,11 +398,6 @@ class NeuralNetworkBackground {
b: parseInt(result[3], 16)
} : null;
}
hexToRgba(hex, alpha) {
const rgb = this.hexToRgb(hex);
return rgb ? `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, ${alpha})` : `rgba(0, 0, 0, ${alpha})`;
}
}
// Initialisiert den Hintergrund, sobald die Seite geladen ist