3e928718f4
* Rename ol.vec.Mat4.fromMatrix to ol.vec.Mat4.fromTransform * Make result from ol.vec.Mat4.fromTransform immutable by adding result matrix as argument.
26 lines
665 B
JavaScript
26 lines
665 B
JavaScript
goog.provide('ol.vec.Mat4');
|
|
|
|
|
|
/**
|
|
* @return {Array.<number>} 4x4 matrix representing a 3D identity transform.
|
|
*/
|
|
ol.vec.Mat4.create = function() {
|
|
return [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1];
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {Array.<number>} mat4 Flattened 4x4 matrix receiving the result.
|
|
* @param {ol.Transform} transform Transformation matrix.
|
|
* @return {Array.<number>} 2D transformation matrix as flattened 4x4 matrix.
|
|
*/
|
|
ol.vec.Mat4.fromTransform = function(mat4, transform) {
|
|
mat4[0] = transform[0];
|
|
mat4[1] = transform[1];
|
|
mat4[4] = transform[2];
|
|
mat4[5] = transform[3];
|
|
mat4[12] = transform[4];
|
|
mat4[13] = transform[5];
|
|
return mat4;
|
|
};
|