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p5.js | createVector() function

  • Last Updated : 05 Oct, 2021

The createVector() function in p5.js is used to create the new p5 vector which contains both magnitude and direction. This provides a two or three-dimensional vector, specifically a geometric vector.

Syntax: 

createVector([x], [y], [z])

Parameters: This function accepts three parameters as mentioned above and described below:  

  • x: This parameter stores the x component of the vector.
  • y: This parameter stores the y component of the vector.
  • z: This parameter stores the z component of the vector.

Below programs illustrate the createVector() function in p5.js:

Example 1: This example uses createVector() function to draw a line.  

Javascript




function setup() {
 
    // Create a Canvas
    createCanvas(500, 550);
}
 
function draw() {
    
    // Vector initialisation
    // using createVector
    t1 = createVector(10, 40);
    t2 = createVector(411, 500);
    
    // Set background color 
    background(200);
    
    // Set stroke weight
    strokeWeight(2);
    
    // line using vector
    line(t1.x, t1.y, t2.x, t2.y);
    
    translate(12, 54);
  
    line(t1.x, t1.y, t2.x, t2.y);
}

Output: 

Example 2: This example uses createVector() function to draw a circle. 

Javascript




function setup() {
 
    // Create a Canvas
    createCanvas(500, 550);
}
  
function draw() {
    
    // Vector initialisation
    // using createVector
    t1 = createVector(10, 40);
    t2 = createVector(41, 50);
    
    // Set background color 
    background(200);
    
    // Set stroke weight
    strokeWeight(2);
    
    // Fill yellow
    fill('yellow');
    
    // ellipse using vector
    ellipse(t1.x*millis() / 1000 * 20,
            t1.y, t2.x+100, t2.y+100);
}

Output: 

Reference: https://p5js.org/reference/#/p5/createVector
 

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