diff --git a/bezier-1.js b/bezier-1.js
deleted file mode 100644
index e625457..0000000
--- a/bezier-1.js
+++ /dev/null
@@ -1,67 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const common_js_1 = require("./common.js");
-let points = [];
-function update(ctx, time) {
-    ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-    const p = (Math.sin(0.001 * time) + 1.0) * 0.5;
-    if (points.length == 2) {
-        const [start, end] = points;
-        (0, common_js_1.drawCircle)(ctx, (0, common_js_1.lerp)(start, end, p), 1, 0xFF0000);
-    }
-    else if (points.length === 3) {
-        const [a, b, c] = points;
-        const ab = (0, common_js_1.lerp)(a, b, p);
-        const bc = (0, common_js_1.lerp)(b, c, p);
-        const abc = (0, common_js_1.lerp)(ab, bc, p);
-        (0, common_js_1.drawDashedLine)(ctx, ab, bc, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, ab, 1, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, bc, 1, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, abc, 1, 0xFFFFFF);
-    }
-    else if (points.length === 4) {
-        const [a, b, c, d] = points;
-        const ab = (0, common_js_1.lerp)(a, b, p);
-        const bc = (0, common_js_1.lerp)(b, c, p);
-        const cd = (0, common_js_1.lerp)(c, d, p);
-        const abc = (0, common_js_1.lerp)(ab, bc, p);
-        const bcd = (0, common_js_1.lerp)(bc, cd, p);
-        const abcd = (0, common_js_1.lerp)(abc, bcd, p);
-        (0, common_js_1.drawDashedLine)(ctx, ab, bc, 0xFF0000);
-        (0, common_js_1.drawDashedLine)(ctx, bc, cd, 0xFF0000);
-        (0, common_js_1.drawDashedLine)(ctx, abc, bcd, 0xFFFF00);
-        (0, common_js_1.drawCircle)(ctx, ab, 1, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, bc, 1, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, cd, 1, 0xFF0000);
-        (0, common_js_1.drawCircle)(ctx, abc, 1, 0xFFFF00);
-        (0, common_js_1.drawCircle)(ctx, bcd, 1, 0xFFFF00);
-        (0, common_js_1.drawCircle)(ctx, abcd, 1, 0xFFFFFF);
-    }
-    for (let i = 0; i < points.length - 1; ++i) {
-        const current = points[i];
-        const next = points[i + 1];
-        (0, common_js_1.drawLine)(ctx, current, next, 0xFF00FF);
-    }
-    for (const point of points) {
-        (0, common_js_1.drawCircle)(ctx, point, 1, 0xFF00FF);
-    }
-    window.requestAnimationFrame(t => update(ctx, t));
-}
-function init() {
-    const canvas = document.getElementById("game");
-    if (!canvas)
-        throw new Error("unable to get canvas HTML element");
-    const ctx = canvas.getContext("2d");
-    if (!ctx)
-        throw new Error("unable to get canvas 2D context");
-    (0, common_js_1.resizeCanvas)(ctx); // Init canvas to full window size
-    canvas.addEventListener("click", (evt) => {
-        const { clientX, clientY } = evt;
-        if (points.length < 4) {
-            points.push({ x: clientX, y: clientY });
-        }
-    });
-    window.addEventListener('resize', () => (0, common_js_1.resizeCanvas)(ctx));
-    window.requestAnimationFrame(t => update(ctx, t));
-}
-init();
diff --git a/bezier-2.js b/bezier-2.js
deleted file mode 100644
index 8031ae1..0000000
--- a/bezier-2.js
+++ /dev/null
@@ -1,58 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const common_js_1 = require("./common.js");
-function drawPoints(ctx, points) {
-    const [a, b, c, d] = points;
-    (0, common_js_1.drawLine)(ctx, a, b, 0xFF00FF);
-    (0, common_js_1.drawLine)(ctx, c, d, 0xFF00FF);
-    for (const p of points) {
-        (0, common_js_1.drawCircle)(ctx, p, 2, 0xFF00FF);
-    }
-}
-function drawCurve(ctx, curve) {
-    for (let i = 0; i < curve.length - 1; ++i) {
-        (0, common_js_1.drawLine)(ctx, curve[i], curve[i + 1], 0xFFFFFF);
-    }
-}
-function init() {
-    const canvas = document.getElementById("game");
-    if (!canvas)
-        throw new Error("unable to get canvas HTML element");
-    const ctx = canvas.getContext("2d");
-    if (!ctx)
-        throw new Error("unable to get canvas 2D context");
-    let selection = undefined;
-    let points = [
-        { x: 227, y: 434 },
-        { x: 341, y: 234 },
-        { x: 649, y: 255 },
-        { x: 765, y: 450 },
-    ];
-    (0, common_js_1.resizeCanvas)(ctx); // Init canvas
-    drawPoints(ctx, points);
-    const bezier = (0, common_js_1.cubicBezier)(...points);
-    drawCurve(ctx, bezier);
-    canvas.onmousedown = (evt) => {
-        const { clientX, clientY } = evt;
-        for (const p of points) {
-            if (Math.abs(p.x - clientX) < 10 && Math.abs(p.y - clientY) < 10) {
-                selection = points.indexOf(p);
-            }
-        }
-    };
-    canvas.onmousemove = (evt) => {
-        if (selection !== undefined) {
-            points[selection].x = evt.clientX;
-            points[selection].y = evt.clientY;
-            // redraw
-            ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-            const bezier = (0, common_js_1.cubicBezier)(...points);
-            drawCurve(ctx, bezier);
-            drawPoints(ctx, points);
-        }
-    };
-    canvas.onmouseup = () => {
-        selection = undefined;
-    };
-}
-init();
diff --git a/common.js b/common.js
deleted file mode 100644
index 4a8cf6a..0000000
--- a/common.js
+++ /dev/null
@@ -1,68 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.lerp = lerp;
-exports.quadraticBezier = quadraticBezier;
-exports.cubicBezier = cubicBezier;
-exports.resizeCanvas = resizeCanvas;
-exports.drawCircle = drawCircle;
-exports.drawLine = drawLine;
-exports.drawDashedLine = drawDashedLine;
-function lerp(a, b, p) {
-    return {
-        x: a.x + (b.x - a.x) * p,
-        y: a.y + (b.y - a.y) * p
-    };
-}
-function quadraticBezier(a, b, c, res = 0.05) {
-    const eps = 0.001; // to prevent issues with float comparaison (p <= 1)
-    const curve = [];
-    for (let p = 0; p - 1 < eps; p += res) {
-        const ab = lerp(a, b, p);
-        const bc = lerp(b, c, p);
-        const abc = lerp(ab, bc, p);
-        curve.push(abc);
-    }
-    return curve;
-}
-function cubicBezier(a, b, c, d, res = 0.05) {
-    const eps = 0.001; // to prevent issues with float comparaison (p <= 1)
-    const curve = [];
-    for (let p = 0; p - 1 < eps; p += res) {
-        const ab = lerp(a, b, p);
-        const bc = lerp(b, c, p);
-        const cd = lerp(c, d, p);
-        const abc = lerp(ab, bc, p);
-        const bcd = lerp(bc, cd, p);
-        const abcd = lerp(abc, bcd, p);
-        curve.push(abcd);
-    }
-    return curve;
-}
-function resizeCanvas(ctx) {
-    ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-    ctx.canvas.width = window.innerWidth;
-    ctx.canvas.height = window.innerHeight;
-}
-function drawCircle(ctx, center, radius, color) {
-    ctx.save();
-    ctx.beginPath();
-    ctx.arc(center.x, center.y, radius, 0, 2 * Math.PI);
-    ctx.strokeStyle = `#${color.toString(16)}`;
-    ctx.lineWidth = 5;
-    ctx.stroke();
-    ctx.restore();
-}
-function drawLine(ctx, start, end, color, dashed = false) {
-    ctx.save();
-    ctx.beginPath();
-    if (dashed)
-        ctx.setLineDash([5, 5]);
-    ctx.strokeStyle = `#${color.toString(16)}`;
-    ctx.moveTo(start.x, start.y);
-    ctx.lineTo(end.x, end.y);
-    ctx.stroke();
-    ctx.restore();
-}
-function drawDashedLine(ctx, start, end, color) {
-    drawLine(ctx, start, end, color, true);
-}
diff --git a/image.js b/image.js
deleted file mode 100644
index ef52e1f..0000000
--- a/image.js
+++ /dev/null
@@ -1,96 +0,0 @@
-"use strict";
-const canvas = document.getElementById("game");
-if (!canvas)
-    throw new Error("unable to get canvas HTML element");
-const ctx = canvas.getContext("2d");
-if (!ctx)
-    throw new Error("unable to get canvas 2D context");
-const img = new Image();
-img.crossOrigin = "anonymous";
-img.src = "/rose.png";
-img.onload = () => {
-    /*canvas.offscreenCanvas = document.createElement("canvas");
-    canvas.offscreenCanvas.height = img.height;
-    canvas.offscreenCanvas.width = img.width;
-    canvas.offscreenCanvas.getContext("2d").drawImage(img, 0, 0);
-    */
-    ctx.drawImage(img, 0, 0);
-};
-function invert(imgData) {
-    const data = imgData.data;
-    for (let i = 0; i < data.length; i += 4) {
-        //const avg = (data[i] + data[i + 1] + data[i + 2]) / 3;
-        data[i] = 255 - data[i];
-        data[i + 1] = 255 - data[i + 1];
-        data[i + 2] = 255 - data[i + 2];
-    }
-}
-function greyscale(imgData) {
-    const data = imgData.data;
-    for (let i = 0; i < data.length; i += 4) {
-        const avg = (data[i] + data[i + 1] + data[i + 2]) / 3;
-        data[i] = avg;
-        data[i + 1] = avg;
-        data[i + 2] = avg;
-    }
-}
-function clamp(x, min, max) {
-    return Math.min(Math.max(x, min), max);
-}
-function convolve(imageData, kernel) {
-    const width = imageData.width;
-    const height = imageData.height;
-    const data = imageData.data;
-    const out = new ImageData(width, height);
-    const kernelSize = Math.sqrt(kernel.length); // Assuming kernel is square
-    const halfKernel = Math.floor(kernelSize / 2);
-    for (let y = 0; y < height; y++) {
-        for (let x = 0; x < width; x++) {
-            let r = 0, g = 0, b = 0;
-            for (let ky = -halfKernel; ky <= halfKernel; ky++) {
-                for (let kx = -halfKernel; kx <= halfKernel; kx++) {
-                    const px = x + kx;
-                    const py = y + ky;
-                    if (px >= 0 && px < width && py >= 0 && py < height) {
-                        const idx = (py * width + px) * 4;
-                        const kernelValue = kernel[(ky + halfKernel) * kernelSize + (kx + halfKernel)];
-                        r += data[idx] * kernelValue;
-                        g += data[idx + 1] * kernelValue;
-                        b += data[idx + 2] * kernelValue;
-                    }
-                }
-            }
-            out.data[(y * width + x) * 4] = r;
-            out.data[(y * width + x) * 4 + 1] = g;
-            out.data[(y * width + x) * 4 + 2] = b;
-            out.data[(y * width + x) * 4 + 3] = data[(y * width + x) * 4 + 3]; // preserve original alpha
-        }
-    }
-    return out;
-}
-// multiply two 3x3 matrices
-function matMult(a, b) {
-    const result = new Array(9).fill(0);
-    for (let j = 0; j < 3; ++j) {
-        for (let i = 0; i < 3; ++i) {
-            for (let k = 0; k < 3; ++k) {
-                result[j * 3 + i] += a[j * 3 + k] * b[k * 3 + i];
-            }
-        }
-    }
-    return result;
-}
-canvas.onclick = () => {
-    const imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
-    ctx.clearRect(0, 0, canvas.height, canvas.width);
-    //invert(imgData);
-    //greyscale(imgData);
-    //const identityKernel = [0, 0, 0, 0, 1, 0, 0, 0, 0];
-    const gaussianKernel = [0.075, 0.124, 0.075, 0.124, 0.204, 0.124, 0.075, 0.124, 0.075];
-    const convolved = convolve(imgData, gaussianKernel);
-    ctx.putImageData(convolved, 0, 0);
-};
-const matrixA = [1, 2, 3, 4, 5, 6, 7, 8, 9];
-const matrixB = [9, 8, 7, 6, 5, 4, 3, 2, 1];
-const result = matMult(matrixA, matrixB);
-console.log(result);
diff --git a/spline.js b/spline.js
deleted file mode 100644
index 2914c11..0000000
--- a/spline.js
+++ /dev/null
@@ -1,87 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const common_js_1 = require("./common.js");
-function drawPoints(ctx, points) {
-    for (const p of points) {
-        (0, common_js_1.drawCircle)(ctx, p, 2, 0xFF00FF);
-    }
-}
-function drawCurve(ctx, curve) {
-    for (let i = 0; i < curve.length - 1; ++i) {
-        (0, common_js_1.drawLine)(ctx, curve[i], curve[i + 1], 0xFFFFFF);
-    }
-}
-function draw(ctx, points) {
-    let start = 0;
-    while (true) {
-        const sl = points.slice(start, start + 4);
-        if (sl.length === 4) {
-            const bezier = (0, common_js_1.cubicBezier)(...sl);
-            drawCurve(ctx, bezier);
-            start += 3;
-        }
-        else if (sl.length === 3) {
-            const bezier = (0, common_js_1.quadraticBezier)(...sl);
-            drawCurve(ctx, bezier);
-            start += 2;
-        }
-        else {
-            break;
-        }
-    }
-    drawPoints(ctx, points);
-}
-function init() {
-    const canvas = document.getElementById("game");
-    if (!canvas)
-        throw new Error("unable to get canvas HTML element");
-    const ctx = canvas.getContext("2d");
-    if (!ctx)
-        throw new Error("unable to get canvas 2D context");
-    let selection = undefined;
-    let points = [
-        { x: 227, y: 434 },
-        { x: 341, y: 234 },
-        { x: 649, y: 255 },
-        { x: 765, y: 450 },
-        { x: 800, y: 500 },
-        { x: 850, y: 450 },
-        { x: 900, y: 550 },
-    ];
-    (0, common_js_1.resizeCanvas)(ctx); // Init canvas
-    draw(ctx, points);
-    canvas.oncontextmenu = (evt) => {
-        evt.preventDefault();
-        points = [];
-        // redraw
-        ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-        draw(ctx, points);
-    };
-    canvas.onmousedown = (evt) => {
-        const { clientX, clientY } = evt;
-        for (const p of points) {
-            if (Math.abs(p.x - clientX) < 10 && Math.abs(p.y - clientY) < 10) {
-                selection = points.indexOf(p);
-            }
-        }
-        if (selection === undefined) {
-            points.push({ x: clientX, y: clientY });
-            // redraw
-            ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-            draw(ctx, points);
-        }
-    };
-    canvas.onmousemove = (evt) => {
-        if (selection !== undefined) {
-            points[selection].x = evt.clientX;
-            points[selection].y = evt.clientY;
-            // redraw
-            ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
-            draw(ctx, points);
-        }
-    };
-    canvas.onmouseup = () => {
-        selection = undefined;
-    };
-}
-init();