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Working with Graphic Elements > Classes > Matrix4 > Matrix4.rotate

Matrix4.rotate

Syntax

rotate(alpha: number, v: PP.Vector3);

Parameters

alpha. Rotation angle in medians.

v. Vector.

Description

The rotate method rotates model and view matrix.

Example

To execute this example, in the HEAD tag of HTML page specify links to the following JS and CSS files: PP.js, PP.GraphicBase.js. Create a new matrix:

// Create a matrix
matrix = new PP.Matrix4([
4.717621803283691, 0, 0, 0, 
0, 10.385396957397461, 0, 0,
0, 0, -1.0000020265579224, -1, 
0, 0, -0.002000001957640052, 0
]);
// Create a vector
vector = new PP.Vector3(1, 0.5, 2);
// Rotate matrix
matrix.rotate(1, vector);
// Get matrix values
matrix.getData();
// -> 
// [-4.499267578125, 19.86509132385254, -0.4986609220504761, -0.4986599087715149,
//  -6.855144023895264, -13.485318183898926, -1.3011713027954102, -1.30116868019104,
//   6.322230815887451, -3.964867115020752, -0.4253787398338318, -0.42537787556648254,
//   0, 0, -0.002000001957640052, 0]

After executing the example the matrix is rotated.

See also:

Matrix4