Perlin noise: Difference between revisions
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const int32_t BB = p[B + 1] + Z; // THE 8 CUBE CORNERS, |
const int32_t BB = p[B + 1] + Z; // THE 8 CUBE CORNERS, |
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return lerp(w, lerp(v, lerp(u, grad(p[AA ], x , y , z ), // AND ADD |
return lerp(w, lerp(v, lerp(u, grad(p[AA ], x , y , z ), // AND ADD |
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grad(p[BA ], x - 1, y , z )), // BLENDED |
grad(p[BA ], x - 1, y , z )), // BLENDED |
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lerp(u, grad(p[AB ], x , y - 1, z ), // RESULTS |
lerp(u, grad(p[AB ], x , y - 1, z ), // RESULTS |
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grad(p[BB ], x - 1, y - 1, z ))),// FROM 8 |
grad(p[BB ], x - 1, y - 1, z ))), // FROM 8 |
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lerp(v, lerp(u, grad(p[AA + 1], x , y , z - 1), // CORNERS |
lerp(v, lerp(u, grad(p[AA + 1], x , y , z - 1), // CORNERS |
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grad(p[BA + 1], x - 1, y , z - 1)), // OF CUBE |
grad(p[BA + 1], x - 1, y , z - 1)), // OF CUBE |
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lerp(u, grad(p[AB + 1], x , y - 1, z - 1), |
lerp(u, grad(p[AB + 1], x , y - 1, z - 1), |
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grad(p[BB + 1], x - 1, y - 1, z - 1)))); |
grad(p[BB + 1], x - 1, y - 1, z - 1)))); |
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