diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/models.c | 67 | ||||
| -rw-r--r-- | src/raylib.h | 1 |
2 files changed, 0 insertions, 68 deletions
diff --git a/src/models.c b/src/models.c index 2683cc89..d52dc83f 100644 --- a/src/models.c +++ b/src/models.c @@ -2352,73 +2352,6 @@ void MeshBinormals(Mesh *mesh) } } -// Smooth (average) vertex normals -void MeshNormalsSmooth(Mesh *mesh) -{ - #define EPSILON 0.000001 // A small number - - int uvCounter = 0; - Vector3 *uniqueVertices = (Vector3 *)RL_CALLOC(mesh->vertexCount, sizeof(Vector3)); - Vector3 *summedNormals = (Vector3 *)RL_CALLOC(mesh->vertexCount, sizeof(Vector3)); - - int *uniqueIndices = (int *)RL_CALLOC(mesh->vertexCount, sizeof(int)); - - // Sum normals grouped by vertex - for (int i = 0; i < mesh->vertexCount; i++) - { - Vector3 v = { mesh->vertices[(i + 0)*3 + 0], mesh->vertices[(i + 0)*3 + 1], mesh->vertices[(i + 0)*3 + 2] }; - Vector3 n = { mesh->normals[(i + 0)*3 + 0], mesh->normals[(i + 0)*3 + 1], mesh->normals[(i + 0)*3 + 2] }; - - bool matched = false; - - // TODO: Matching vertices is brute force O(N^2). Do it more efficiently? - for (int j = 0; j < uvCounter; j++) - { - Vector3 uv = uniqueVertices[j]; - - bool match = true; - match = match && fabs(uv.x - v.x) < EPSILON; - match = match && fabs(uv.y - v.y) < EPSILON; - match = match && fabs(uv.z - v.z) < EPSILON; - - if (match) - { - matched = true; - summedNormals[j] = Vector3Add(summedNormals[j], n); - uniqueIndices[i] = j; - break; - } - } - - if (!matched) - { - int j = uvCounter++; - uniqueVertices[j] = v; - summedNormals[j] = n; - uniqueIndices[i] = j; - } - } - - // Average and update normals - for (int i = 0; i < mesh->vertexCount; i++) - { - int j = uniqueIndices[i]; - Vector3 n = Vector3Normalize(summedNormals[j]); - mesh->normals[(i + 0)*3 + 0] = n.x; - mesh->normals[(i + 0)*3 + 1] = n.y; - mesh->normals[(i + 0)*3 + 2] = n.z; - } - - // 2=normals, see rlUpdateMeshAt() - rlUpdateMesh(*mesh, 2, mesh->vertexCount); - - RL_FREE(uniqueVertices); - RL_FREE(summedNormals); - RL_FREE(uniqueIndices); - - TRACELOG(LOG_INFO, "MESH: Normals smoothed (%d vertices, %d unique)", mesh->vertexCount, uvCounter); -} - // Draw a model (with texture if set) void DrawModel(Model model, Vector3 position, float scale, Color tint) { diff --git a/src/raylib.h b/src/raylib.h index 4703ea5b..47dfa05f 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -1378,7 +1378,6 @@ RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); RLAPI BoundingBox MeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits RLAPI void MeshTangents(Mesh *mesh); // Compute mesh tangents RLAPI void MeshBinormals(Mesh *mesh); // Compute mesh binormals -RLAPI void MeshNormalsSmooth(Mesh *mesh); // Smooth (average) vertex normals // Model drawing functions RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set) |