The translate() function in p5.js is used to specify the amount to displace objects within the display window. The x parameter is used to specify the left/right translation and y parameter is used to specify up/down translation.
Syntax:
translate(x, y, [z])
or
translate(vector)
Parameters: This function accepts three parameters as mentioned above and described below:
- x: This parameter stores the value of left/right translation.
- y: This parameter stores the value of up/down translation.
- z: This parameter stores the value of forward/backward translation.
In another syntax, we can only provide the p5 vector object.
Below programs illustrate the translate() function in p5.js:
Example 1: This example uses translate() function to specify the amount to displace objects.
function setup() { // Create Canvas of given size createCanvas(580, 450); } function draw() { // Set the background color background(220); // Fill the color fill('lightgreen'); // Set the border weight strokeWeight(5); // Create rectangle rect(10, 10, 400, 300); // Translate the rectangle translate(30, 30); // Create rectangle rect(10, 10, 400, 300); // Translate the rectangle translate(30, 30); // Create rectangle rect(10, 10, 400, 300); } |
Output:
Example 2: This example uses translate() function to specify the amount to displace objects within the display window.
function setup() { // Create Canvas of given size createCanvas(580, 450); } function draw() { // Set the background color background(220); for(var i=0, j=255; i<255, j>0; i++, j--) { fill(i, j, i); } // Set the stroke weight strokeWeight(5); // Use translate function translate(width / 2, height / 2); translate(p5.Vector.fromAngle(millis() / 1000, 200)); // Create rectangle rect(10, 10, 40, 30); } |
Output:
Reference: https://p5js.org/reference/#/p5/translate
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