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molstar

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A comprehensive macromolecular library.

github.com/molstar/molstar

molstar/molstar

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export declare const common_frag_params = "\nuniform int uObjectId;\nuniform int uInstanceCount;\nuniform int uGroupCount;\n\nuniform int uPickType;\nuniform int uMarkingType;\n\nuniform vec4 uCameraPlane;\nuniform vec4 uLod;\n\n#if dClipObjectCount != 0\n uniform int uClipObjectType[dClipObjectCount];\n uniform bool uClipObjectInvert[dClipObjectCount];\n uniform vec3 uClipObjectPosition[dClipObjectCount];\n uniform vec4 uClipObjectRotation[dClipObjectCount];\n uniform vec3 uClipObjectScale[dClipObjectCount];\n uniform mat4 uClipObjectTransform[dClipObjectCount];\n\n #if defined(dClipping)\n #if __VERSION__ == 100 || defined(dClippingType_instance) || !defined(dVaryingGroup)\n varying float vClipping;\n #else\n flat in float vClipping;\n #endif\n #endif\n#endif\n\n#if defined(dColorMarker)\n uniform vec3 uHighlightColor;\n uniform vec3 uSelectColor;\n uniform vec3 uDimColor;\n uniform float uHighlightStrength;\n uniform float uSelectStrength;\n uniform float uDimStrength;\n uniform int uMarkerPriority;\n uniform float uMarkerAverage;\n#endif\n\n#if defined(dNeedsMarker)\n uniform float uMarker;\n #if __VERSION__ == 100 || defined(dMarkerType_instance) || !defined(dVaryingGroup)\n varying float vMarker;\n #else\n flat in float vMarker;\n #endif\n#endif\n\n#if defined(dRenderVariant_colorDpoit)\n #define MAX_DPOIT_DEPTH 99999.0 // NOTE constant also set in TypeScript\n uniform sampler2D tDpoitDepth;\n uniform sampler2D tDpoitFrontColor;\n#endif\n\nvarying vec3 vModelPosition;\nvarying vec3 vViewPosition;\n\nuniform vec2 uViewOffset;\n\nuniform float uNear;\nuniform float uFar;\nuniform float uIsOrtho;\n\nuniform bool uFog;\nuniform float uFogNear;\nuniform float uFogFar;\nuniform vec3 uFogColor;\n\nuniform float uAlpha;\nuniform float uPickingAlphaThreshold;\nuniform bool uTransparentBackground;\n\nuniform bool uDoubleSided;\nuniform float uInteriorDarkening;\nuniform bool uInteriorColorFlag;\nuniform vec3 uInteriorColor;\nbool interior;\n\nuniform float uXrayEdgeFalloff;\nuniform float uCelSteps;\nuniform float uExposure;\n\nuniform mat4 uProjection;\n\nuniform int uRenderMask;\nuniform bool uMarkingDepthTest;\n\nuniform sampler2D tDepth;\nuniform vec2 uDrawingBufferSize;\n\nfloat getDepthPacked(const in vec2 coords) {\n return unpackRGBAToDepth(texture2D(tDepth, coords));\n}\n\nfloat getDepth(const in vec2 coords) {\n #ifdef depthTextureSupport\n return texture2D(tDepth, coords).r;\n #else\n return unpackRGBAToDepth(texture2D(tDepth, coords));\n #endif\n}\n\nfloat calcDepth(const in vec3 pos) {\n vec2 clipZW = pos.z * uProjection[2].zw + uProjection[3].zw;\n return 0.5 + 0.5 * clipZW.x / clipZW.y;\n}\n\n// \"Bump Mapping Unparametrized Surfaces on the GPU\" Morten S. Mikkelsen\n// https://mmikk.github.io/papers3d/mm_sfgrad_bump.pdf\nvec3 perturbNormal(in vec3 position, in vec3 normal, in float height, in float scale) {\n vec3 sigmaS = dFdx(position);\n vec3 sigmaT = dFdy(position);\n\n vec3 r1 = cross(sigmaT, normal);\n vec3 r2 = cross(normal, sigmaS);\n float det = dot(sigmaS, r1);\n if (det == 0.0) return normal;\n\n float bs = dFdx(height);\n float bt = dFdy(height);\n\n vec3 surfGrad = sign(det) * (bs * r1 + bt * r2);\n return normalize(abs(det) * normal - scale * surfGrad);\n}\n\nfloat hash(in float h) {\n return fract(sin(h) * 43758.5453123);\n}\n\nfloat noise(in vec3 x) {\n vec3 p = floor(x);\n vec3 f = fract(x);\n f = f * f * (3.0 - 2.0 * f);\n\n float n = p.x + p.y * 157.0 + 113.0 * p.z;\n return mix(\n mix(mix(hash(n + 0.0), hash(n + 1.0), f.x),\n mix(hash(n + 157.0), hash(n + 158.0), f.x), f.y),\n mix(mix(hash(n + 113.0), hash(n + 114.0), f.x),\n mix(hash(n + 270.0), hash(n + 271.0), f.x), f.y), f.z);\n}\n\nfloat fbm(in vec3 p) {\n float f = 0.0;\n f += 0.5 * noise(p);\n p *= 2.01;\n f += 0.25 * noise(p);\n p *= 2.02;\n f += 0.125 * noise(p);\n\n return f;\n}\n\n#ifdef dXrayShaded\n float calcXrayShadedAlpha(in float alpha, const in vec3 normal) {\n #if defined(dXrayShaded_on)\n alpha *= 1.0 - pow(abs(dot(normal, vec3(0.0, 0.0, 1.0))), uXrayEdgeFalloff);\n #elif defined(dXrayShaded_inverted)\n alpha *= pow(abs(dot(normal, vec3(0.0, 0.0, 1.0))), uXrayEdgeFalloff);\n #endif\n return clamp(alpha, 0.001, 0.999);\n }\n#endif\n";