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REVIEWED: GenMeshTangents(), avoid crash on missing texcoords data #2927

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Ray 2023-02-21 23:55:55 +01:00
parent b4d824d6fc
commit 153470d605
1 changed files with 7 additions and 1 deletions
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8
src/rmodels.c
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@ -3326,9 +3326,15 @@ BoundingBox GetMeshBoundingBox(Mesh mesh)
// Compute mesh tangents // Compute mesh tangents
// NOTE: To calculate mesh tangents and binormals we need mesh vertex positions and texture coordinates // NOTE: To calculate mesh tangents and binormals we need mesh vertex positions and texture coordinates
// Implementation base don: https://answers.unity.com/questions/7789/calculating-tangents-vector4.html // Implementation based on: https://answers.unity.com/questions/7789/calculating-tangents-vector4.html
void GenMeshTangents(Mesh *mesh) void GenMeshTangents(Mesh *mesh)
{ {
if ((mesh->vertices == NULL) || (mesh->texcoords == NULL))
{
TRACELOG(LOG_WARNING, "MESH: Tangents generation requires texcoord vertex attribute data");
return;
}
if (mesh->tangents == NULL) mesh->tangents = (float *)RL_MALLOC(mesh->vertexCount*4*sizeof(float)); if (mesh->tangents == NULL) mesh->tangents = (float *)RL_MALLOC(mesh->vertexCount*4*sizeof(float));
else else
{ {