forked from bartvdbraak/blender
BLI_rand: add BLI_rng_get_float_unit_v2
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@ -50,6 +50,7 @@ int BLI_rng_get_int(struct RNG *rng);
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unsigned int BLI_rng_get_uint(struct RNG *rng);
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double BLI_rng_get_double(struct RNG *rng);
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float BLI_rng_get_float(struct RNG *rng);
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void BLI_rng_get_float_unit_v2(struct RNG *rng, float v[2]);
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void BLI_rng_get_float_unit_v3(struct RNG *rng, float v[3]);
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void BLI_rng_shuffle_array(struct RNG *rng, void *data, unsigned int elem_size_i, unsigned int elem_tot);
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@ -117,6 +117,13 @@ float BLI_rng_get_float(RNG *rng)
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return (float) BLI_rng_get_int(rng) / 0x80000000;
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}
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void BLI_rng_get_float_unit_v2(RNG *rng, float v[2])
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{
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float a = (float)(M_PI * 2.0) * BLI_rng_get_float(rng);
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v[0] = cosf(a);
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v[1] = sinf(a);
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}
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void BLI_rng_get_float_unit_v3(RNG *rng, float v[3])
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{
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float r;
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