Letters
Letters can be drawn to the screen by loading a font, setting its characteristics and then drawing the letters. This example uses a for loop and unicode reference numbers to automatically fill the canvas with characters in a grid. Vowels are selected and given a specific fill color.
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let font,
fontsize = 32;
function preload() {
// Ensure the .ttf or .otf font stored in the assets directory
// is loaded before setup() and draw() are called
font = loadFont('assets/SourceSansPro-Regular.otf');
}
function setup() {
createCanvas(710, 400);
// Set text characteristics
textFont(font);
textSize(fontsize);
textAlign(CENTER, CENTER);
}
function draw() {
background(160);
// Set the gap between letters and the left and top margin
let gap = 52;
let margin = 10;
translate(margin * 4, margin * 4);
// Set the counter to start at the character you want
// in this case 35, which is the # symbol
let counter = 35;
// Loop as long as there is space on the canvas
for (let y = 0; y < height - gap; y += gap) {
for (let x = 0; x < width - gap; x += gap) {
// Use the counter to retrieve individual letters by their Unicode number
let letter = char(counter);
// Add different color to the vowels and other characters
if (
letter === 'A' ||
letter === 'E' ||
letter === 'I' ||
letter === 'O' ||
letter === 'U'
) {
fill('#ed225d');
} else {
fill(255);
}
// Draw the letter to the screen
text(letter, x, y);
// Increment the counter
counter++;
}
}
}
