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@RnbwNoise
Last active December 26, 2022 07:21
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A program for drawing a heart at isitchristmas.com: https://twitter.com/konklone/status/416399871231275008/
var a = 0.0;
var t = 0;
var drawHeart = function() {
if(a < Math.PI / 2 || a > Math.PI * 3/2)
a += 0.20; // for old ghost values: 0.35;
else
a += 0.10; // for old ghost values: 0.25; // the top part is more detailed
if(a >= Math.PI * 2)
a = 0;
// Madeloid formula is from http://johnthemathguy.blogspot.com/2013/02/the-function-of-heart.html
var n = Math.PI - Math.abs(Math.PI - a); // the flipping function
var p = 2.0 * (1 - n / Math.PI) + // this is half-wing function, but together with
0.3 * n * (Math.PI - n) + // flipping function it makes a full-wing function
0.6 * n * (Math.PI - n) * (n - Math.PI / 2);
var px = -p * Math.sin(a);
var py = p * Math.cos(a);
// t++; - with new ghost values - don't move the heart
var event = {
clientX: 400 + 100 * Math.sin(t / 100) + /* old ghost values: 50 */ 100 * px,
clientY: 400 + 100 * Math.cos(t / 100) + /* old ghost values: 50 */ 100 * py,
button: 2
};
mouseMove(event);
mouseClick(event);
me.angle = Math.atan2(py, px) / Math.PI * 180 + 90; // this is terrible
setRotate(me.flag, me.angle);
emit('scroll', {id: me.id, angle: me.angle});
setTimeout(drawHeart, 200);
};
drawHeart();
@konklone
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