p5.js noFill() Function
The noFill() function is used to disable the filling geometry. If noStroke() and noFill() function are called simultaneously then nothing will be drawn on the screen.
Syntax:
noFill()
Parameters: This function does not accept any parameter.
Below examples illustrate the noFill() function in p5.js:
Example 1:
function setup() {           // Create Canvas of given size     createCanvas(400, 300); }   function draw() {           // Set the background color     background(220);           // Use fill() function to fill color     fill('green')     // Draw a line     rect(50, 50, 150, 150);           // Use noFill() function     noFill();         // Draw a line     rect(100, 100, 150, 150); } |
Output:
Example 2:
function setup() {           // Create Canvas of given size     createCanvas(400, 300); }   function draw() {           // Set the background color     background(220);           // Use noFill() function     noFill();           // Draw a line     circle(140, 100, 150);           // Use fill() function to fill color     fill('green')     // Draw a line     circle(240, 100, 150); } |
Output:
Reference: https://p5js.org/reference/#/p5/nofill
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