From cef4707307a4022d2a63a75a822261529bf489d3 Mon Sep 17 00:00:00 2001
From: doomtube <doomtube@realms.pub>
Date: Sun, 11 Jan 2026 17:57:59 -0500
Subject: [PATCH] fixes lol

---
 .../lib/components/ScreensaverOverlay.svelte  |   4 +-
 .../screensavers/FractalCrystalline.svelte    |  24 +-
 .../screensavers/MandelbrotZoom.svelte        | 209 ++++++++++++++++++
 frontend/src/lib/stores/screensaver.js        |   8 +-
 4 files changed, 232 insertions(+), 13 deletions(-)
 create mode 100644 frontend/src/lib/components/screensavers/MandelbrotZoom.svelte

diff --git a/frontend/src/lib/components/ScreensaverOverlay.svelte b/frontend/src/lib/components/ScreensaverOverlay.svelte
index 4718531..9779447 100644
--- a/frontend/src/lib/components/ScreensaverOverlay.svelte
+++ b/frontend/src/lib/components/ScreensaverOverlay.svelte
@@ -4,11 +4,13 @@
     import { screensaver, isScreensaverActive, activeScreensaverType } from '$lib/stores/screensaver';
     import Snowfall from './screensavers/Snowfall.svelte';
     import FractalCrystalline from './screensavers/FractalCrystalline.svelte';
+    import MandelbrotZoom from './screensavers/MandelbrotZoom.svelte';
 
     // Map type to component
     const screensaverComponents = {
         snowfall: Snowfall,
-        fractal_crystalline: FractalCrystalline
+        fractal_crystalline: FractalCrystalline,
+        mandelbrot_zoom: MandelbrotZoom
     };
 
     // Dismiss on any interaction
diff --git a/frontend/src/lib/components/screensavers/FractalCrystalline.svelte b/frontend/src/lib/components/screensavers/FractalCrystalline.svelte
index b8dfb8f..f6dde85 100644
--- a/frontend/src/lib/components/screensavers/FractalCrystalline.svelte
+++ b/frontend/src/lib/components/screensavers/FractalCrystalline.svelte
@@ -24,7 +24,7 @@
         maxBranches: 800,           // Max simultaneous branch tips
         branchChance: 0.03,         // Chance to spawn new branch per frame
         turnAngle: 0.3,             // Max random turn per frame (radians)
-        hueShiftSpeed: 0.2,         // Color cycling speed
+        hueShiftSpeed: 0.5,         // Color cycling speed (faster for more color variety)
         maxPoints: 15000,           // Max crystal points (kept for reference)
         shatterDuration: 2500,      // Milliseconds for shatter effect
         lineWidth: 2
@@ -112,11 +112,14 @@
             ctx.fillRect(0, 0, width, height);
         }
 
-        // Create seed points at random locations
+        // Create seed points at random locations with spread colors
         for (let i = 0; i < CONFIG.seedCount; i++) {
             const x = Math.random() * width;
             const y = Math.random() * height;
 
+            // Base hue for this seed - spread evenly across spectrum
+            const seedHue = (i * 360 / CONFIG.seedCount) + Math.random() * 30;
+
             // Each seed spawns multiple branches in different directions
             const branchCount = 3 + Math.floor(Math.random() * 4);
             for (let j = 0; j < branchCount; j++) {
@@ -125,7 +128,7 @@
                     x,
                     y,
                     angle,
-                    hue: Math.random() * 360,
+                    hue: (seedHue + j * 25 + Math.random() * 20) % 360,  // Each branch gets varied hue
                     age: 0,
                     generation: 0
                 });
@@ -178,9 +181,11 @@
                 hue: (branch.hue + branch.age * 0.5) % 360
             });
 
-            // Draw the branch segment
-            const h = (branch.hue + branch.age * 0.5) % 360;
-            ctx.strokeStyle = `hsla(${h}, 80%, 60%, 0.9)`;
+            // Draw the branch segment with varied colors
+            const h = (branch.hue + branch.age * 1.5) % 360;  // Faster hue shift
+            const s = 70 + Math.sin(branch.age * 0.1) * 20;   // Saturation varies 50-90%
+            const l = 50 + Math.cos(branch.age * 0.05) * 15;  // Lightness varies 35-65%
+            ctx.strokeStyle = `hsla(${h}, ${s}%, ${l}%, 0.9)`;
             ctx.lineWidth = CONFIG.lineWidth;
             ctx.beginPath();
             ctx.moveTo(branch.x, branch.y);
@@ -192,14 +197,14 @@
             branch.y = newY;
             branch.age++;
 
-            // Chance to spawn a new branch (fork)
+            // Chance to spawn a new branch (fork) with distinct color
             if (Math.random() < CONFIG.branchChance && branches.length + newBranches.length < CONFIG.maxBranches) {
                 const forkAngle = branch.angle + (Math.random() > 0.5 ? 1 : -1) * (0.3 + Math.random() * 0.7);
                 newBranches.push({
                     x: newX,
                     y: newY,
                     angle: forkAngle,
-                    hue: (branch.hue + 20 + Math.random() * 40) % 360,
+                    hue: (branch.hue + 30 + Math.random() * 90) % 360,  // More color variation
                     age: 0,
                     generation: branch.generation + 1
                 });
@@ -228,6 +233,7 @@
 
             // Only spawn if we found an unoccupied spot
             if (!isOccupied(x, y)) {
+                const seedHue = Math.random() * 360;  // Random base hue for new seed
                 const branchCount = 2 + Math.floor(Math.random() * 3);
                 for (let j = 0; j < branchCount; j++) {
                     const angle = Math.random() * Math.PI * 2;
@@ -235,7 +241,7 @@
                         x,
                         y,
                         angle,
-                        hue: Math.random() * 360,
+                        hue: (seedHue + j * 40 + Math.random() * 30) % 360,  // Varied colors
                         age: 0,
                         generation: 0
                     });
diff --git a/frontend/src/lib/components/screensavers/MandelbrotZoom.svelte b/frontend/src/lib/components/screensavers/MandelbrotZoom.svelte
new file mode 100644
index 0000000..3b82359
--- /dev/null
+++ b/frontend/src/lib/components/screensavers/MandelbrotZoom.svelte
@@ -0,0 +1,209 @@
+<script>
+    import { onMount, onDestroy } from 'svelte';
+    import { browser } from '$app/environment';
+
+    let canvas;
+    let ctx;
+    let animationId;
+    let width, height;
+
+    // Mandelbrot parameters
+    let centerX = -0.743643887037151;  // Interesting zoom point
+    let centerY = 0.131825904205330;
+    let zoom = 1;
+    let zoomSpeed = 1.02;  // Zoom multiplier per frame
+
+    // Alternative interesting points to cycle through
+    const interestingPoints = [
+        { x: -0.743643887037151, y: 0.131825904205330 },   // Seahorse valley
+        { x: -0.74529, y: 0.113075 },                       // Spiral
+        { x: -0.16, y: 1.0405 },                            // Branch
+        { x: -1.25066, y: 0.02012 },                        // Mini mandelbrot
+        { x: -0.235125, y: 0.827215 },                      // Tendril
+    ];
+    let currentPointIndex = 0;
+
+    const CONFIG = {
+        maxIterations: 150,
+        zoomResetThreshold: 1e12,  // Reset zoom after this level
+        colorCycles: 3            // Number of color cycles in the gradient
+    };
+
+    function initCanvas() {
+        if (!canvas) return;
+        width = window.innerWidth;
+        height = window.innerHeight;
+        canvas.width = width;
+        canvas.height = height;
+        ctx = canvas.getContext('2d');
+    }
+
+    function resetZoom() {
+        // Pick next interesting point
+        currentPointIndex = (currentPointIndex + 1) % interestingPoints.length;
+        const point = interestingPoints[currentPointIndex];
+        centerX = point.x;
+        centerY = point.y;
+        zoom = 1;
+    }
+
+    // Gold color palette
+    function getGoldColor(iteration, maxIter) {
+        if (iteration === maxIter) return { r: 0, g: 0, b: 0 };  // Black for inside
+
+        const t = iteration / maxIter;
+        const cycled = (t * CONFIG.colorCycles) % 1;
+
+        // Gold gradient: dark brown -> gold -> bright gold -> white gold
+        let r, g, b;
+
+        if (cycled < 0.25) {
+            // Dark brown to gold
+            const s = cycled / 0.25;
+            r = Math.floor(40 + s * 175);   // 40 -> 215
+            g = Math.floor(20 + s * 155);   // 20 -> 175
+            b = Math.floor(5 + s * 30);     // 5 -> 35
+        } else if (cycled < 0.5) {
+            // Gold to bright gold
+            const s = (cycled - 0.25) / 0.25;
+            r = Math.floor(215 + s * 40);   // 215 -> 255
+            g = Math.floor(175 + s * 40);   // 175 -> 215
+            b = Math.floor(35 + s * 65);    // 35 -> 100
+        } else if (cycled < 0.75) {
+            // Bright gold to white gold
+            const s = (cycled - 0.5) / 0.25;
+            r = 255;
+            g = Math.floor(215 + s * 30);   // 215 -> 245
+            b = Math.floor(100 + s * 100);  // 100 -> 200
+        } else {
+            // White gold back to dark brown
+            const s = (cycled - 0.75) / 0.25;
+            r = Math.floor(255 - s * 215);  // 255 -> 40
+            g = Math.floor(245 - s * 225);  // 245 -> 20
+            b = Math.floor(200 - s * 195);  // 200 -> 5
+        }
+
+        return { r, g, b };
+    }
+
+    function mandelbrot(cx, cy, maxIter) {
+        let x = 0, y = 0;
+        let iteration = 0;
+
+        while (x * x + y * y <= 4 && iteration < maxIter) {
+            const xTemp = x * x - y * y + cx;
+            y = 2 * x * y + cy;
+            x = xTemp;
+            iteration++;
+        }
+
+        // Smooth coloring
+        if (iteration < maxIter) {
+            const logZn = Math.log(x * x + y * y) / 2;
+            const nu = Math.log(logZn / Math.log(2)) / Math.log(2);
+            iteration = iteration + 1 - nu;
+        }
+
+        return iteration;
+    }
+
+    function render() {
+        if (!ctx) return;
+
+        const imageData = ctx.createImageData(width, height);
+        const data = imageData.data;
+
+        // Calculate view bounds
+        const aspectRatio = width / height;
+        const viewWidth = 4 / zoom;
+        const viewHeight = viewWidth / aspectRatio;
+
+        const minX = centerX - viewWidth / 2;
+        const maxX = centerX + viewWidth / 2;
+        const minY = centerY - viewHeight / 2;
+        const maxY = centerY + viewHeight / 2;
+
+        // Adaptive iteration count based on zoom
+        const iterations = Math.min(CONFIG.maxIterations + Math.log2(zoom) * 20, 500);
+
+        // Render with reduced resolution for performance, then scale
+        const scale = zoom > 1000 ? 2 : 1;  // Lower res at high zoom for performance
+
+        for (let py = 0; py < height; py += scale) {
+            for (let px = 0; px < width; px += scale) {
+                const x0 = minX + (px / width) * (maxX - minX);
+                const y0 = minY + (py / height) * (maxY - minY);
+
+                const iter = mandelbrot(x0, y0, iterations);
+                const color = getGoldColor(iter, iterations);
+
+                // Fill pixels (handle scaling)
+                for (let dy = 0; dy < scale && py + dy < height; dy++) {
+                    for (let dx = 0; dx < scale && px + dx < width; dx++) {
+                        const idx = ((py + dy) * width + (px + dx)) * 4;
+                        data[idx] = color.r;
+                        data[idx + 1] = color.g;
+                        data[idx + 2] = color.b;
+                        data[idx + 3] = 255;
+                    }
+                }
+            }
+        }
+
+        ctx.putImageData(imageData, 0, 0);
+
+        // Update zoom
+        zoom *= zoomSpeed;
+
+        // Reset if zoomed too far
+        if (zoom > CONFIG.zoomResetThreshold) {
+            resetZoom();
+        }
+    }
+
+    function startAnimation() {
+        function loop() {
+            render();
+            animationId = requestAnimationFrame(loop);
+        }
+        loop();
+    }
+
+    function handleResize() {
+        initCanvas();
+    }
+
+    onMount(() => {
+        if (!browser) return;
+
+        // Randomly pick starting point
+        currentPointIndex = Math.floor(Math.random() * interestingPoints.length);
+        const point = interestingPoints[currentPointIndex];
+        centerX = point.x;
+        centerY = point.y;
+
+        initCanvas();
+        startAnimation();
+
+        window.addEventListener('resize', handleResize);
+    });
+
+    onDestroy(() => {
+        if (animationId) {
+            cancelAnimationFrame(animationId);
+        }
+        if (browser) {
+            window.removeEventListener('resize', handleResize);
+        }
+    });
+</script>
+
+<canvas bind:this={canvas} class="mandelbrot-canvas"></canvas>
+
+<style>
+    .mandelbrot-canvas {
+        position: absolute;
+        inset: 0;
+        pointer-events: none;
+    }
+</style>
diff --git a/frontend/src/lib/stores/screensaver.js b/frontend/src/lib/stores/screensaver.js
index 95fd232..90ee6d5 100644
--- a/frontend/src/lib/stores/screensaver.js
+++ b/frontend/src/lib/stores/screensaver.js
@@ -93,9 +93,11 @@ function createScreensaverStore() {
                 // Check if idle time exceeds timeout
                 if (newIdleTime >= state.timeoutMinutes * 60) {
                     // Resolve random type at activation time
-                    const activeType = state.type === 'random'
-                        ? (Math.random() < 0.5 ? 'snowfall' : 'fractal_crystalline')
-                        : state.type;
+                    let activeType = state.type;
+                    if (state.type === 'random') {
+                        const types = ['snowfall', 'fractal_crystalline', 'mandelbrot_zoom'];
+                        activeType = types[Math.floor(Math.random() * types.length)];
+                    }
                     return { ...newState, active: true, activeType };
                 }