The createSlider() function in p5.js is used to create a slider (input) element in the DOM (Document Object Model). This function includes the p5.dom library. Add the following syntax in the head section.
Syntax:
createSlider( min, max, value, step )
Parameters: This function accepts four parameters as mentioned above and described below:
- min: It holds the minimum value of the slider.
- max: It holds the maximum value of the slider.
- value: It holds the default value of the slider.
- step: It holds the step size of the slider.
Below programs illustrates the createSlider() function in p5.js:
Example: This example uses createSlider() function to change the r value of the background-color (in rgb format) using a slider.
// Create a variable for the slider object var color_slider; function setup() { // Create a canvas of given size createCanvas(600, 300); // Create the slider color_slider = createSlider(0, 255, 125); // Set the position of slider on the canvas color_slider.position(150, 200); } function draw() { // Get the value of the slider // using .value() function col = color_slider.value(); // Set the value of the background-color background(col, 200, 100); } |
Output:
Reference: https://p5js.org/reference/#/p5/createSlider
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