molstar
Version:
A comprehensive macromolecular library.
10 lines • 2.98 kB
JavaScript
"use strict";
/**
* Copyright (c) 2019-2021 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.spheres_frag = void 0;
exports.spheres_frag = "\nprecision highp float;\nprecision highp int;\n\n#include common\n#include common_frag_params\n#include color_frag_params\n#include light_frag_params\n#include common_clip\n\nvarying float vRadius;\nvarying float vRadiusSq;\nvarying vec3 vPoint;\nvarying vec3 vPointViewPosition;\n\nvec3 cameraPos;\nvec3 cameraNormal;\n\nbool Impostor(out vec3 cameraPos, out vec3 cameraNormal){\n vec3 cameraSpherePos = -vPointViewPosition;\n cameraSpherePos.z += vRadius;\n\n vec3 rayOrigin = mix(vec3(0.0, 0.0, 0.0), vPoint, uIsOrtho);\n vec3 rayDirection = mix(normalize(vPoint), vec3(0.0, 0.0, 1.0), uIsOrtho);\n vec3 cameraSphereDir = mix(cameraSpherePos, rayOrigin - cameraSpherePos, uIsOrtho);\n\n float B = dot(rayDirection, cameraSphereDir);\n float det = B * B + vRadiusSq - dot(cameraSphereDir, cameraSphereDir);\n\n if (det < 0.0){\n discard;\n return false;\n }\n\n float sqrtDet = sqrt(det);\n float posT = mix(B + sqrtDet, B + sqrtDet, uIsOrtho);\n float negT = mix(B - sqrtDet, sqrtDet - B, uIsOrtho);\n\n cameraPos = rayDirection * negT + rayOrigin;\n\n\n if (calcDepth(cameraPos) <= 0.0) {\n cameraPos = rayDirection * posT + rayOrigin;\n interior = true;\n } else {\n interior = false;\n }\n\n cameraNormal = normalize(cameraPos - cameraSpherePos);\n cameraNormal *= float(!interior) * 2.0 - 1.0;\n\n return !interior;\n}\n\nvoid main(void){\n #include clip_pixel\n\n bool flag = Impostor(cameraPos, cameraNormal);\n #ifndef dDoubleSided\n if (interior)\n discard;\n #endif\n\n vec3 vViewPosition = cameraPos;\n gl_FragDepthEXT = calcDepth(vViewPosition);\n if (!flag && gl_FragDepthEXT >= 0.0) {\n gl_FragDepthEXT = 0.0 + (0.0000001 / vRadius);\n }\n\n // bugfix (mac only?)\n if (gl_FragDepthEXT < 0.0) discard;\n if (gl_FragDepthEXT > 1.0) discard;\n\n float fragmentDepth = gl_FragDepthEXT;\n #include assign_material_color\n\n #if defined(dRenderVariant_pick)\n #include check_picking_alpha\n gl_FragColor = material;\n #elif defined(dRenderVariant_depth)\n gl_FragColor = material;\n #elif defined(dRenderVariant_marking)\n gl_FragColor = material;\n #elif defined(dRenderVariant_color)\n #ifdef dIgnoreLight\n gl_FragColor = material;\n #else\n vec3 normal = -cameraNormal;\n #include apply_light_color\n #endif\n\n #include apply_interior_color\n #include apply_marker_color\n #include apply_fog\n #include wboit_write\n #endif\n}\n";
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