41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "catmullclark_coefficients.h"
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namespace embree
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{
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CatmullClarkPrecomputedCoefficients CatmullClarkPrecomputedCoefficients::table;
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CatmullClarkPrecomputedCoefficients::CatmullClarkPrecomputedCoefficients()
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{
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/* precompute cosf(2.0f*M_PI/n) */
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for (size_t n=0; n<=MAX_RING_FACE_VALENCE; n++)
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table_cos_2PI_div_n[n] = set_cos_2PI_div_n(n);
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/* precompute limit tangents coefficients */
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for (size_t n=0; n<=MAX_RING_FACE_VALENCE; n++)
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{
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table_limittangent_a[n] = new float[n];
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table_limittangent_b[n] = new float[n];
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for (size_t i=0; i<n; i++) {
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table_limittangent_a[n][i] = set_limittangent_a(i,n);
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table_limittangent_b[n][i] = set_limittangent_b(i,n);
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}
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}
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for (size_t n=0; n<=MAX_RING_FACE_VALENCE; n++)
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table_limittangent_c[n] = set_limittangent_c(n);
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}
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CatmullClarkPrecomputedCoefficients::~CatmullClarkPrecomputedCoefficients()
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{
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for (size_t n=0; n<=MAX_RING_FACE_VALENCE; n++)
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{
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delete [] table_limittangent_a[n];
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delete [] table_limittangent_b[n];
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}
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}
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}
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