Changed alot of things.

node_modules/canvacord/plugins/convolute.js

@@ -0,0 +1,46 @@
+module.exports = (ctx, canvas, matrix, opaque) => {
+    const side = Math.round(Math.sqrt(matrix.length));
+    const halfSide = Math.floor(side / 2);
+    const pixels = ctx.getImageData(0, 0, canvas.width, canvas.height);
+    const src = pixels.data;
+    const sw = pixels.width;
+    const sh = pixels.height;
+    const w = sw;
+    const h = sh;
+    const output = ctx.getImageData(0, 0, canvas.width, canvas.height);
+    const dst = output.data;
+    const alphaFac = opaque ? 1 : 0;
+
+    for (let y = 0; y < h; y++) {
+        for (let x = 0; x < w; x++) {
+            const sy = y;
+            const sx = x;
+            const dstOff = (y * w + x) * 4;
+            let r = 0;
+            let g = 0;
+            let b = 0;
+            let a = 0;
+            for (let cy = 0; cy < side; cy++) {
+                for (let cx = 0; cx < side; cx++) {
+                    const scy = sy + cy - halfSide;
+                    const scx = sx + cx - halfSide;
+                    if (scy >= 0 && scy < sh && scx >= 0 && scx < sw) {
+                        const srcOff = (scy * sw + scx) * 4;
+                        const wt = matrix[cy * side + cx];
+                        r += src[srcOff] * wt;
+                        g += src[srcOff + 1] * wt;
+                        b += src[srcOff + 2] * wt;
+                        a += src[srcOff + 3] * wt;
+                    }
+                }
+            }
+            dst[dstOff] = r;
+            dst[dstOff + 1] = g;
+            dst[dstOff + 2] = b;
+            dst[dstOff + 3] = a + alphaFac * (255 - a);
+        }
+    }
+
+    ctx.putImageData(output, 0, 0);
+    return ctx;
+};