molstar
Version:
A comprehensive macromolecular library.
28 lines (25 loc) • 1.19 kB
JavaScript
"use strict";
/**
* 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_linear = void 0;
exports.texture3d_from_2d_linear = `
vec4 texture3dFrom2dLinear(sampler2D tex, vec3 pos, vec3 gridDim, vec2 texDim) {
float zSlice0 = floor(pos.z * gridDim.z);
float column0 = intMod(zSlice0 * gridDim.x, texDim.x) / gridDim.x;
float row0 = floor(intDiv(zSlice0 * gridDim.x, texDim.x));
vec2 coord0 = (vec2(column0 * gridDim.x, row0 * gridDim.y) + (pos.xy * gridDim.xy)) / texDim;
vec4 color0 = texture2D(tex, coord0);
float zSlice1 = zSlice0 + 1.0;
float column1 = intMod(zSlice1 * gridDim.x, texDim.x) / gridDim.x;
float row1 = floor(intDiv(zSlice1 * gridDim.x, texDim.x));
vec2 coord1 = (vec2(column1 * gridDim.x, row1 * gridDim.y) + (pos.xy * gridDim.xy)) / texDim;
vec4 color1 = texture2D(tex, coord1);
float delta0 = abs((pos.z * gridDim.z) - zSlice0);
return mix(color0, color1, delta0);
}
`;