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p5.Camera move() Method

  • Last Updated : 28 Jul, 2020

The move() method of p5.Camera in p5.js is used to move the camera along its local axes by the specified amount. It maintains the current camera orientation while moving.

Syntax:

move( x, y, z )

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

  • x: It is a number that denotes the amount to move the camera along its left-right axis.
  • y: It is a number that denotes the amount to move the camera along its up-down axis.
  • z: It is a number that denotes the amount to move the camera along its forward-backward axis.

The example below illustrates the move() method in p5.js:

Example 1:



Javascript




let currCamera;
  
function setup() {
  createCanvas(500, 500, WEBGL);
  helpText = createP(
    "Click the buttons to move the " +
    "camera in that direction");
  helpText.position(20, 0);
  
  currCamera = createCamera();
  
  // Create three buttons for moving the
  // position camera
  newCameraBtn = createButton("Move Left");
  newCameraBtn.position(20, 40);
  newCameraBtn.mouseClicked(moveCameraLeft);
    
  newCameraBtn = createButton("Move Right");
  newCameraBtn.position(120, 40);
  newCameraBtn.mouseClicked(moveCameraRight);
  
  newCameraBtn = createButton("Move Up");
  newCameraBtn.position(20, 70);
  newCameraBtn.mouseClicked(moveCameraUp);
  
  newCameraBtn = createButton("Move Down");
  newCameraBtn.position(120, 70);
  newCameraBtn.mouseClicked(moveCameraDown);
}
  
function moveCameraLeft() {
  
  // Look at the given position
  // in the world space
  currCamera.move(-15, 0, 0);
}
  
function moveCameraRight() {
  
  // Look at the given position
  // in the world space
  currCamera.move(15, 0, 0);
}
  
function moveCameraUp() {
  
  // Look at the given position
  // in the world space
  currCamera.move(0, -15, 0);
}
  
function moveCameraDown() {
  
  // Look at the given position
  // in the world space
  currCamera.move(0, 15, 0);
}
  
function draw() {
  clear();
  normalMaterial();
  
  // Create three boxes at three positions
  translate(-150, 0);
  box(65);
  translate(150, 0);
  box(65);
  translate(150, 0);
  box(65);
}

Output:

Example 2:

Javascript




let currCamera;
  
function setup() {
  createCanvas(500, 500, WEBGL);
  helpText = createP(
    "Move the sliders to keep moving " +
    "the camera in a direction"
  );
  helpText.position(20, 0);
  
  // Create the camera
  currCamera = createCamera();
  
  // Create three sliders for moving the
  // position of the camera
  xPosSlider = createSlider(-2, 2, 0);
  xPosSlider.position(20, 40);
  
  yPosSlider = createSlider(-2, 2, 0);
  yPosSlider.position(20, 70);
  
  zPosSlider = createSlider(-2, 2, 0);
  zPosSlider.position(20, 100);
}
  
function draw() {
  clear();
  lights();
  normalMaterial();
  debugMode();
  
  // Get the x, y, z values from the
  // sliders
  let currX = xPosSlider.value();
  let currY = yPosSlider.value();
  let currZ = zPosSlider.value();
  
  // Keep moving the camera according to
  // to the given amount
  currCamera.move(currX, currY, currZ);
  
  box(90);
}

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.Camera/move




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