v2_copy( src->uv, pvert->uv );
}
- for( u32 i=0; i<sm->indice_count; i++ )
- dst_indices[i] = src_indices[i] + ctx->vertex_count;
+ u32 real_indices = 0;
+ for( u32 i=0; i<sm->indice_count/3; i++ ){
+ u32 *tri = &src_indices[i*3];
+
+ v3f ab, ac, tn;
+ v3_sub( src_verts[tri[2]].co, src_verts[tri[0]].co, ab );
+ v3_sub( src_verts[tri[1]].co, src_verts[tri[0]].co, ac );
+ v3_cross( ac, ab, tn );
+
+ if( v3_length2( tn ) <= 0.00001f )
+ continue;
+
+ dst_indices[real_indices+0] = tri[0] + ctx->vertex_count;
+ dst_indices[real_indices+1] = tri[1] + ctx->vertex_count;
+ dst_indices[real_indices+2] = tri[2] + ctx->vertex_count;
+
+ real_indices += 3;
+ }
+
+ if( real_indices != sm->indice_count )
+ vg_warn( "Zero area triangles in model\n" );
ctx->vertex_count += sm->vertex_count;
- ctx->indice_count += sm->indice_count;
+ ctx->indice_count += real_indices;
}
/*