Merge pull request #4 from Patreon/jrsun

Jrsun

js/fox.js

@@ -1,18 +1,22 @@
 // TODO: use query params for these
 var Chance = require('chance');
-var chance = new Chance();
 
 var hsl = function (h, s, l) {
   return "hsl(" + h + "," + s + "%, " + l + "%)";
 }
 
-var Fox = function (IMG_WIDTH, IMG_HEIGHT) {
+var Fox = function (IMG_WIDTH, IMG_HEIGHT, seed) {
+  if (seed) {
+    chance = new Chance(seed);
+  } else {
+    chance = new Chance();
+  }
 
   // head top left corner
-  var origin = {x: IMG_WIDTH / 4, y: IMG_HEIGHT / 4};
   // TODO: head headWidth and height
-  var headWidth = IMG_WIDTH / 2;
+  var headWidth = 0.65 * IMG_WIDTH;
-  var headHeight = IMG_HEIGHT / 2;
+  var headHeight = 0.65 * IMG_HEIGHT;
+  var origin = {x: IMG_WIDTH / 2 - headWidth / 2, y: IMG_HEIGHT / 2 - headHeight / 2};
   var kappa = chance.floating({min: 0.2, max: 0.45})
 
   var hue = chance.integer({min: 5, max: 50});
@@ -32,21 +36,21 @@ var Fox = function (IMG_WIDTH, IMG_HEIGHT) {
         y: origin.y + (0.15 * headHeight),
         angle: angle,
         width: 0.4 * headWidth,
-        height: 0.6 * headHeight
+        height: 0.8 * headHeight
       },
       right: {
         x: origin.x + (headWidth/2) + offsetX,
         y: origin.y + (0.15 * headHeight),
         angle: -angle,
         width: 0.4 * headWidth,
-        height: 0.6 * headHeight
+        height: 0.8 * headHeight
       }
     };
   }());
 
   var eyes = (function () {
     // TODO: color
-    var offsetY = chance.floating({min: -0.05 * headHeight, max: 0.05 * headHeight});
+    var offsetY = chance.floating({min: -0.05 * headHeight, max: -0.025 * headHeight});
     var offsetX = chance.floating({min: 0.13 * headWidth, max: 0.25 * headWidth});
 
     var eyeHeight = chance.floating({min: 0.08 * headHeight, max: 0.13 * headHeight});
@@ -54,6 +58,8 @@ var Fox = function (IMG_WIDTH, IMG_HEIGHT) {
     return {
       height: eyeHeight,
       width: eyeHeight/2,
+      style: 'ellipse',
+      // style: chance.pickone(['ellipse', 'smiley']),
       left: {
         x: origin.x + (headWidth/2) - offsetX,
         y: origin.y + (headHeight/2) + offsetY
@@ -69,11 +75,21 @@ var Fox = function (IMG_WIDTH, IMG_HEIGHT) {
     return {
       x: origin.x + (headWidth/2),
       y: (eyes.left.y + 0.3 * (origin.y + headHeight - eyes.left.y)),
-      width: 0.06 * headWidth,
+      width: 0.04 * headWidth,
-      height: 0.05 * headWidth
+      height: 0.03 * headWidth
     }
   }(eyes));
 
+  var mouth = (function (nose) {
+    return {
+      x: origin.x + (headWidth/2),
+      y: (nose.y + 0.15 * (origin.y + headHeight - nose.y)),
+      width: 0.08 * headWidth,
+      height: 0.04 * headWidth,
+      style: chance.pickone(['smirk', 'cat', 'none'])
+    }
+  }(nose));
+
   return {
     canvas: {
       height: IMG_HEIGHT,
@@ -92,12 +108,12 @@ var Fox = function (IMG_WIDTH, IMG_HEIGHT) {
         kappa: kappa,
         maskColor: hsl(hue, saturation, 95),
         maskWidth: chance.integer({min: 0.5 * IMG_WIDTH, max: IMG_WIDTH}),
-        maskHeight: chance.integer({min: 0.85 * IMG_HEIGHT, max: 1 * IMG_HEIGHT})
+        maskHeight: chance.integer({min: 1.7 * (IMG_HEIGHT - eyes.left.y), max: 1.85 * (IMG_HEIGHT - eyes.left.y)})
     },
     ears: ears,
     eyes: eyes,
     nose: nose,
-    // mouth: mouth
+    mouth: mouth
   };
 };
 

server.js

@@ -52,6 +52,7 @@ var renderFox = function (canvas, opts) {
     // draw nose
     renderNose(ctx, opts.nose);
     // draw mouth
+    renderMouth(ctx, opts.mouth);
 };
 
 function renderHead(ctx, opts) {
@@ -84,8 +85,30 @@ function renderEars(ctx, opts) {
 }
 
 function renderEyes(ctx, opts) {
+    switch (opts.style) {
+      case "ellipse":
         drawEllipseByCenter(ctx, opts.left.x, opts.left.y, opts.width, opts.height, "black", null, 0.5);
         drawEllipseByCenter(ctx, opts.right.x, opts.right.y, opts.width, opts.height, "black", null, 0.5);
+        break;
+      case "smiley":
+        ctx.strokeStyle = "black";
+        ctx.beginPath();
+        ctx.moveTo(opts.left.x - opts.width, opts.left.y + opts.height);
+        ctx.bezierCurveTo(opts.left.x - opts.width, opts.left.y + opts.height, opts.left.x, opts.left.y, opts.left.x + opts.width, opts.left.y + opts.height);
+        ctx.lineWidth = 2;
+        ctx.stroke();
+        ctx.closePath();
+
+        ctx.beginPath();
+        ctx.moveTo(opts.right.x - opts.width, opts.right.y + opts.height);
+        ctx.bezierCurveTo(opts.right.x - opts.width, opts.right.y + opts.height, opts.right.x, opts.right.y, opts.right.x + opts.width, opts.right.y + opts.height);
+        ctx.lineWidth = 2;
+        ctx.stroke();
+        ctx.closePath();
+        break;
+      case "none":
+        break;
+    }
 }
 
 function renderNose(ctx, opts) {
@@ -96,9 +119,29 @@ function renderNose(ctx, opts) {
   ctx.bezierCurveTo(opts.x - opts.width/2, opts.y - opts.height/2, opts.x, opts.y - opts.height, opts.x + opts.width/2, opts.y - opts.height/2);
   ctx.bezierCurveTo(opts.x + opts.width/2, opts.y - opts.height/2, opts.x + opts.width/2, opts.y + opts.height/2, opts.x, opts.y + opts.height/2);
   ctx.bezierCurveTo(opts.x, opts.y + opts.height/2, opts.x - opts.width/2, opts.y + opts.height/2, opts.x - opts.width/2, opts.y - opts.height/2);
-    // drawEllipseByCenter(ctx, opts.x, opts.y, opts.width, opts.height, "black", null, 0.5);
+  ctx.fillStyle = "black";
   ctx.fill();
-  //ctx.closePath(); // not used correctly, see comments (use to close off open path)
+  ctx.stroke();
+}
+
+function renderMouth(ctx, opts) {
+  ctx.strokeStyle = "black";
+  ctx.lineWidth = 2;
+  ctx.beginPath();
+  switch (opts.style) {
+    case "smirk":
+      ctx.moveTo(opts.x - opts.width/2, opts.y - opts.height/2);
+      ctx.bezierCurveTo(opts.x - opts.width/2, opts.y - opts.height/2,
+        opts.x - opts.width/2, opts.y + opts.height/2,
+        opts.x + opts.width/2, opts.y
+      )
+      break;
+    case "cat":
+      ctx.moveTo(opts.x - opts.width/2, opts.y + opts.height/2);
+      ctx.lineTo(opts.x, opts.y - opts.height/2);
+      ctx.lineTo(opts.x + opts.width/2, opts.y + opts.height/2);
+      break;
+  }
   ctx.stroke();
 }
 
@@ -188,6 +231,5 @@ app.get('/', function(req, res) {
     res.send(images.join(''));
 });
 
-
 app.listen(process.env.PORT || 3000);
 console.log('listening on http://localhost:3000');