programmering:flower1-code
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>flower1</title>
<script src="../libraries/p5.min.js" type="text/javascript"></script>
<style> body {padding: 0; margin: 0;} canvas {vertical-align: top;} </style>
<script>
var t,t_direction;
function setup() {
createCanvas(400,400);
background(0);
stroke(255,100);
strokeWeight(5);
t=width/8;
t_direction=1;
}
function drawOne(l) {
line(0,0,
l*cos(radians(67.5)),l*sin(radians(67.5)));
line(l*cos(radians(67.5)),l*sin(radians(67.5)),
0,l*sin(radians(135))/sin(radians(22.5)));
line(0,0,
l*cos(radians(180-67.5)),l*sin(radians(180-67.5)));
line(l*cos(radians(180-67.5)),l*sin(radians(180-67.5)),
0,l*sin(radians(135))/sin(radians(22.5)));
}
function draw() {
background(0);
translate(width/2,height/2);
for (var i=0; i<64; i++) {
rotate(radians(22.5*i/4));
drawOne(t);
}
if (t<width/8) { t_direction=1; }
if (t>width/4) { t_direction=-1; }
t=t+t_direction;
}
</script>
</head>
<body>
</body>
</html>
programmering/flower1-code.txt · Last modified: 2023/10/21 19:19 by 127.0.0.1