Method set

src/webgl/p5.Camera.js:1426–1449

* Sets the camera’s position, orientation, and projection by copying another * camera. * * The parameter, `cam`, is the `p5.Camera` object to copy. For example, calling * `cam2.set(cam1)` will set `cam2` using `cam1`’s configuration. * * @param {p5.Camera} cam camera to copy. *

(cam)

   * }
   */
  set(cam) {
    const keyNamesOfThePropToCopy = [
      'eyeX', 'eyeY', 'eyeZ',
      'centerX', 'centerY', 'centerZ',
      'upX', 'upY', 'upZ',
      'cameraFOV', 'aspectRatio', 'cameraNear', 'cameraFar', 'cameraType',
      'yScale', 'useLinePerspective'
    ];
    for (const keyName of keyNamesOfThePropToCopy) {
      this[keyName] = cam[keyName];
    }

    this.cameraMatrix = cam.cameraMatrix.copy();
    this.projMatrix = cam.projMatrix.copy();

    if (this._isActive()) {
      this._renderer.states.setValue('uModelMatrix', this._renderer.states.uModelMatrix.clone());
      this._renderer.states.setValue('uViewMatrix', this._renderer.states.uViewMatrix.clone());
      this._renderer.states.setValue('uPMatrix', this._renderer.states.uPMatrix.clone());
      this._renderer.states.uModelMatrix.reset();
      this._renderer.states.uViewMatrix.set(this.cameraMatrix);
      this._renderer.states.uPMatrix.set(this.projMatrix);
    }
  }
  /**
   * Sets the camera’s position and orientation to values that are in-between
   * those of two other cameras.