UNPKG

@cesium/engine

Version:

CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

cesium.com/cesiumjs/

CesiumGS/cesium

14 lines (13 loc) • 746 B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
//This file is automatically rebuilt by the Cesium build process. export default "#ifdef HAS_CONSTANT_LOD\n\ // Extract model scale to compensate for minimumPixelSize scaling\n\ float modelScaleX = length(czm_model[0].xyz);\n\ float modelScaleY = length(czm_model[1].xyz);\n\ float modelScaleZ = length(czm_model[2].xyz);\n\ float modelScale = (modelScaleX + modelScaleY + modelScaleZ) / 3.0;\n\ \n\ // Transform model position through ENU but as direction only (w=0) to avoid position-dependent rotation\n\ vec3 enuDir = (u_constantLodWorldToEnu * czm_model * vec4(v_positionMC, 0.0)).xyz;\n\ v_constantLodUvCustom.xy = (enuDir.yx + u_constantLodOffset) / modelScale;\n\ v_constantLodUvCustom.z = u_constantLodDistance / modelScale;\n\ #endif";