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Fix dual grid debug mesh not making cubes properly; check for emptyness

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This commit is contained in:
Marc Gilleron 2019-04-20 18:08:00 +01:00
parent 1181cfa59f
commit a12435266f
1 changed files with 13 additions and 3 deletions
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16
dmc/voxel_mesher_dmc.cpp
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@ -311,6 +311,10 @@ Ref<ArrayMesh> generate_debug_octree_mesh(OctreeNode *root) {
add_cube.max_depth = get_max_depth.max_depth;
foreach_node(root, add_cube);
if (arrays.positions.size() == 0) {
return Ref<ArrayMesh>();
}
Array surface;
surface.resize(Mesh::ARRAY_MAX);
surface[Mesh::ARRAY_VERTEX] = arrays.positions;
@ -373,14 +377,20 @@ Ref<ArrayMesh> generate_debug_dual_grid_mesh(const DualGrid &grid) {
const DualCell &cell = grid.cells[i];
int vi = positions.size();
for (int j = 0; j < 8; ++j) {
positions.push_back(cell.corners[j]);
}
for (int j = 0; j < Cube::EDGE_COUNT; ++j) {
indices.push_back(vi + Cube::g_edge_corners[j][0]);
indices.push_back(vi + Cube::g_edge_corners[j][1]);
}
}
for (int i = 0; i < positions.size(); ++i) {
indices.push_back(i);
indices.push_back(i + 1);
if (positions.size() == 0) {
return Ref<ArrayMesh>();
}
Array surface;