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@needle-tools/three

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JavaScript 3D library

threejs.org

mrdoob/three.js

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export default /* glsl */` float specularStrength; #ifdef USE_SPECULARMAP vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv ); specularStrength = texelSpecular.r; #else specularStrength = 1.0; #endif `;