build the blog with nix

1 files changed, 0 insertions, 74 deletions

diff --git a/assets/trading-in-the-rain/RainCanvas.js b/assets/trading-in-the-rain/RainCanvas.js
deleted file mode 100644
index 5396eb5..0000000
--- a/assets/trading-in-the-rain/RainCanvas.js
+++ /dev/null
@@ -1,74 +0,0 @@
-function RainCanvas(canvasDOM) {
-  this.canvas = canvasDOM;
-  this.ctx = this.canvas.getContext("2d");
-
-  this.drops = [];
-  this.tick = 0;
-
-  // drop: {x, y, intensity, color} (all in range [0, 1], except color which is
-  // an array [r,g,b])
-  this.newDrop = (newDrop) => {
-    if (!document.hasFocus()) return;
-
-    // scale intensity up a bit right off the bat. If the intensity was near 0
-    // the drop wouldn't actually show up at all.
-    newDrop.intensity = distribute(newDrop.intensity, 0, 1, 0.1, 1);
-    newDrop.tick = this.tick;
-    this.drops.push(newDrop);
-  };
-
-  // alpha isn't really alpha, it's used to determine line width, but it plays
-  // the same role.
-  this.drawDrop = (drop, alpha) => {
-    let cW = this.canvas.width, cH = this.canvas.height;
-    let minDim = Math.min(cW, cH);
-
-    let tickDiff = this.tick - drop.tick;
-    let radius = tickDiff * (minDim / 250);
-    let x = distribute(drop.x, 0, 1, cW*0.1, cW*0.9);
-    let y = distribute(drop.y, 0, 1, cH*0.1, cH*0.9);
-
-    this.ctx.beginPath();
-    this.ctx.arc(x, y, radius, 0, Math.PI * 2, false);
-    this.ctx.closePath();
-
-    // multiple lineWidth by alpha so that the line width drops over time in
-    // correspondence with the opacity.
-    this.ctx.lineWidth = distribute(drop.intensity, 0, 1, 2, 9) * alpha;
-
-    let r = drop.color[0], g = drop.color[1], b = drop.color[2];
-    this.ctx.strokeStyle = `rgba(${r}, ${g}, ${b}, 1)`;
-    this.ctx.stroke();
-  };
-
-  let requestAnimationFrame = 
-    window.requestAnimationFrame || 
-    window.mozRequestAnimationFrame || 
-    window.webkitRequestAnimationFrame || 
-    window.msRequestAnimationFrame;
-
-  this.doTick = () => {
-    this.canvas.width = window.innerWidth;
-    this.canvas.height = window.innerHeight;
-    this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
-
-    let newDrops = [];
-    for (let i in this.drops) {
-      let drop = this.drops[i];
-      let alpha = distribute(
-        this.tick - drop.tick,
-        0, 200 * drop.intensity,
-        1, 0,
-      );
-      if (alpha <= 0) continue;
-
-      this.drawDrop(drop, alpha);
-      newDrops.push(drop);
-    }
-    this.drops = newDrops;
-
-    this.tick++;
-    requestAnimationFrame(this.doTick);
-  };
-  requestAnimationFrame(this.doTick);
-}