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Merge pull request #4 from Patreon/jrsun

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Jrsun
This commit is contained in:
Jeffrey Sun 2016-12-16 10:07:33 -08:00 committed by GitHub
commit ba45a27c77
2 changed files with 75 additions and 17 deletions
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40
js/fox.js
View file

@ -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 headHeight = IMG_HEIGHT / 2;
var headWidth = 0.65 * IMG_WIDTH;
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,
height: 0.05 * headWidth
width: 0.04 * 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
};
};

48
server.js
View file

@ -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');