68 lines
1.0 KiB
JavaScript
68 lines
1.0 KiB
JavaScript
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/**
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* Uniform Utilities
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*/
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var UniformsUtils = {
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merge: function ( uniforms ) {
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var merged = {};
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for ( var u = 0; u < uniforms.length; u ++ ) {
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var tmp = this.clone( uniforms[ u ] );
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for ( var p in tmp ) {
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merged[ p ] = tmp[ p ];
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}
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}
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return merged;
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},
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clone: function ( uniforms_src ) {
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var uniforms_dst = {};
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for ( var u in uniforms_src ) {
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uniforms_dst[ u ] = {};
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for ( var p in uniforms_src[ u ] ) {
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var parameter_src = uniforms_src[ u ][ p ];
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if ( parameter_src && ( parameter_src.isColor ||
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parameter_src.isMatrix3 || parameter_src.isMatrix4 ||
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parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||
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parameter_src.isTexture ) ) {
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uniforms_dst[ u ][ p ] = parameter_src.clone();
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} else if ( Array.isArray( parameter_src ) ) {
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uniforms_dst[ u ][ p ] = parameter_src.slice();
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} else {
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uniforms_dst[ u ][ p ] = parameter_src;
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}
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}
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}
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return uniforms_dst;
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}
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};
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export { UniformsUtils };
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