molstar
Version:
A comprehensive macromolecular library.
19 lines (18 loc) • 807 B
JavaScript
;
/**
* Copyright (c) 2017-2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author Michael Krone <michael.krone@uni-tuebingen.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.texture3d_from_2d_nearest = void 0;
exports.texture3d_from_2d_nearest = `
vec4 texture3dFrom2dNearest(sampler2D tex, vec3 pos, vec3 gridDim, vec2 texDim) {
float zSlice = floor(pos.z * gridDim.z + 0.5); // round to nearest z-slice
float column = intMod(zSlice * gridDim.x, texDim.x) / gridDim.x;
float row = floor(intDiv(zSlice * gridDim.x, texDim.x));
vec2 coord = (vec2(column * gridDim.x, row * gridDim.y) + (pos.xy * gridDim.xy)) / texDim;
return texture2D(tex, coord);
}
`;