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Wrote my own generate_normals method as apparently surface tool creates new vertices during normal generation.

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Relintai 2022-01-19 02:10:22 +01:00
parent 2e2d22574d
commit 04e95a0814
1 changed files with 44 additions and 1 deletions
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45
game/addons/mesh_data_resource_editor/utilities/mdred_mesh_utils.gd
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@ -625,10 +625,53 @@ static func add_into_surface_tool(mdr : MeshDataResource, st : SurfaceTool) -> v
for ind in indices:
st.add_index(ind)
static func generate_normals(mdr : MeshDataResource) -> void:
var arrays : Array = mdr.get_array()
if arrays.size() != ArrayMesh.ARRAY_MAX:
arrays.resize(ArrayMesh.ARRAY_MAX)
if arrays[ArrayMesh.ARRAY_INDEX] == null:
return
if arrays.size() != ArrayMesh.ARRAY_MAX:
arrays.resize(ArrayMesh.ARRAY_MAX)
var vertices : PoolVector3Array = arrays[ArrayMesh.ARRAY_VERTEX]
var indices : PoolIntArray = arrays[ArrayMesh.ARRAY_INDEX]
var normals : PoolVector3Array = PoolVector3Array()
normals.resize(vertices.size())
var nc : PoolIntArray = PoolIntArray()
nc.resize(vertices.size())
for i in range(vertices.size()):
nc[i] = 0
for i in range(0, indices.size(), 3):
var i0 : int = indices[i]
var v0 : Vector3 = vertices[i0]
var v1 : Vector3 = vertices[indices[i + 1]]
var v2 : Vector3 = vertices[indices[i + 2]]
var n = Plane(v0, v1, v2).normal
if nc[i0] == 0:
nc[i0] = 1
normals[i0] = n
else:
normals[i0] = lerp(normals[i0], n, 0.5).normalized()
arrays[ArrayMesh.ARRAY_NORMAL] = normals
mdr.array = arrays
# Apparently surfacetool adds more verts during normal generation
# Keeping this here for now
static func generate_normals_surface_tool(mdr : MeshDataResource) -> void:
var arrays : Array = mdr.get_array()
if arrays.size() != ArrayMesh.ARRAY_MAX:
arrays.resize(ArrayMesh.ARRAY_MAX)