1. basic use of p5.Font.textToPoints()
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<title>Document</title> | |
<script src="https://cdn.jsdelivr.net/npm/p5@1.1.9/lib/p5.js"></script> | |
</head> | |
<body> | |
<script> | |
/* | |
1. basic use of p5.Font.textToPoints() | |
*/ | |
let font | |
let fSize // font size | |
let msg // text to write | |
let pts = [] // store path data | |
function preload() { | |
// preload OTF font file | |
font = loadFont('../ChunkFive-Regular.otf') | |
} | |
function setup() { | |
createCanvas(800, 500) | |
fSize = 256 | |
textFont(font) | |
textSize(fSize) | |
msg = 'point' | |
pts = font.textToPoints(msg, 0, 0, fSize, { | |
sampleFactor: 0.1, // increase for more points | |
simplifyThreshold: 0.0 // increase to remove collinear points | |
}) | |
console.log(pts) // { x, y, path angle } | |
stroke(255) | |
strokeWeight(2) | |
noFill(); | |
} | |
function draw() { | |
background(0) | |
// 1. interactive | |
// const d = dist(mouseX, mouseY, width/2, height/2) | |
// const angle = atan2(mouseY-height/2, mouseX-width/2) | |
// 2. animate on its own | |
const d = 10 + sin(frameCount/50.) * 50 | |
const angle = frameCount/100. | |
push() | |
translate(60, height*5/8) | |
for (let i = 0; i < pts.length; i++) { | |
const p = pts[i] | |
push() | |
translate(p.x, p.y) | |
rotate(angle) | |
line(-d, -d, +d, +d) | |
pop() | |
} | |
pop() | |
} | |
</script> | |
</body> | |
</html> |
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