@arcgis/core
Version:
ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
21 lines (20 loc) • 603 B
JavaScript
/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{glsl as x}from"../../shaderModules/glsl.js";function y(y){y.code.add(x`mat3 quaternionToRotationMatrix(vec4 q) {
float x2 = q.x + q.x;
float y2 = q.y + q.y;
float z2 = q.z + q.z;
float xx = x2 * q.x;
float yy = y2 * q.y;
float zz = z2 * q.z;
float xy = x2 * q.y;
float xz = x2 * q.z;
float yz = y2 * q.z;
float wx = x2 * q.w;
float wy = y2 * q.w;
float wz = z2 * q.w;
return mat3(
1.0 - (yy + zz), xy - wz, xz + wy,
xy + wz, 1.0 - (xx + zz), yz - wx,
xz - wy, yz + wx, 1.0 - (xx + yy)
);
}`)}export{y as QuaternionToRotationMatrix};