The dist() function calculates the Euclidean distance in 2D or 3D. Means the p5.js | dist() Function is used to measure the distance between two points in 2D or 3D. Below is the formula for distance in 2D and 3D.
- 2D formula:
- 3D formula:
Syntax:
dist(x1, y1, x2, y2)
dist(x1, y1, z1, x2, y2, z2)
Parameters:
- x1: These parameters holds the x-coordinate of the first point.
- y1: These parameters hold the y-coordinate of the first point.
- z1: These parameters hold the z-coordinate of the first point.
- x2: These parameters hold the x-coordinate of the second point.
- y2: These parameters hold the y-coordinate of the second point.
- z2: These parameters hold the z-coordinate of the second point.
Return value: Distance between two points.
Example: This example calculates and prints the distance between a fixed point and the cursor.
function setup() {     // Create a canvas     createCanvas(400, 400); }   function draw() {     // set background color     background(50);     // coordinates of the fixed point     var x1 = 200;     var y1 = 200;     // coordinates of the cursor     var x2 = mouseX;     var y2 = mouseY;     // set line color and weight     stroke(255);     strokeWeight(2);     // draw a line connecting 2 points     line(x1, y1, x2, y2);     fill("red");     // draw a circle centered at each point     ellipse(x1, y1, 10);     ellipse(x2, y2, 10);     // calculate the distance between 2 points     d = dist(x1, y1, x2, y2);     noStroke();     fill("lightgreen");     // set text size and alignment     textSize(20);     textAlign(CENTER);     // display the distance calculated     text("distance = "+ str(d), 200, 350); } |
Output:
Online editor: https://editor.p5js.org/
Environment Setup: https://www.geeksforgeeks.org/p5-js-soundfile-object-installation-and-methods/
Reference: https://p5js.org/reference/#/p5/dist
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