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Moved the new helper to the bottom of the mesh utils. Also the reflect helpers will reflect v2 instead of v1.

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Relintai 2022-01-14 15:50:54 +01:00
parent 8e546e113f
commit bdb0b956a7
2 changed files with 73 additions and 66 deletions
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6
game/addons/mesh_data_resource_editor/MIDGizmo.gd
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@ -384,7 +384,13 @@ func add_quad() -> void:
MDRMeshUtils.add_quad(_mdr)
func add_triangle_at() -> void:
if selection_mode == SelectionMode.SELECTION_MODE_VERTEX:
#todo
pass
elif selection_mode == SelectionMode.SELECTION_MODE_EDGE:
#should_flip_reflected_triangle
else:
add_triangle()
func add_quad_at() -> void:
pass

131
game/addons/mesh_data_resource_editor/utilities/mdred_mesh_utils.gd
View File

@ -1,71 +1,6 @@
tool
extends Object
# There are probably better ways to do this
static func should_flip_reflected_triangle(v0 : Vector3, v1 : Vector3, v2 : Vector3) -> bool:
var reflected : Vector3 = reflect_vertex(v0, v1, v2)
var nn : Vector3 = get_face_normal(v0, v1, v2)
return should_triangle_flip(v0, reflected, v2, nn)
static func reflect_vertex(v0 : Vector3, v1 : Vector3, v2 : Vector3) -> Vector3:
return (v1 - v0).reflect(v2 - v0) + v0
static func get_face_normal_arr_ti(verts : PoolVector3Array, indices : PoolIntArray, triangle_index : int, flipped : bool = false) -> Vector3:
return get_face_normal_arr(verts, indices, triangle_index * 3, flipped)
static func get_face_normal_arr(verts : PoolVector3Array, indices : PoolIntArray, index : int, flipped : bool = false) -> Vector3:
var v0 : Vector3 = verts[indices[index]]
var v1 : Vector3 = verts[indices[index + 1]]
var v2 : Vector3 = verts[indices[index + 2]]
return get_face_normal(v0, v1, v2, flipped)
static func get_face_normal(v0 : Vector3, v1 : Vector3, v2 : Vector3, flipped : bool = false) -> Vector3:
if !flipped:
return Plane(v0, v1, v2).normal
else:
return Plane(v2, v1, v0).normal
static func should_triangle_flip(v0 : Vector3, v1 : Vector3, v2 : Vector3, similar_dir_normal : Vector3) -> bool:
var normal : Vector3 = get_face_normal(v0, v1, v2)
var ndns : float = normal.dot(similar_dir_normal)
return ndns < 0
static func is_normal_similar(v0 : Vector3, v1 : Vector3, v2 : Vector3, similar_dir_normal : Vector3) -> bool:
var normal : Vector3 = get_face_normal(v0, v1, v2)
var ndns : float = normal.dot(similar_dir_normal)
return ndns >= 0
static func flip_triangle_ti(mdr : MeshDataResource, triangle_index : int) -> void:
flip_triangle(mdr, triangle_index * 3)
static func flip_triangle(mdr : MeshDataResource, index : int) -> 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
var indices : PoolIntArray = arrays[ArrayMesh.ARRAY_INDEX]
var i0 : int = indices[index]
var i2 : int = indices[index + 2]
indices[index] = i2
indices[index + 2] = i0
arrays[ArrayMesh.ARRAY_INDEX] = indices
mdr.set_array(arrays)
static func add_triangle_at(mdr : MeshDataResource, v0 : Vector3, v1 : Vector3, v2 : Vector3, flip : bool = false) -> void:
var st : SurfaceTool = SurfaceTool.new()
@ -411,3 +346,69 @@ static func get_arrays_prepared(mdr : MeshDataResource) -> Array:
arrays[ArrayMesh.ARRAY_INDEX] = PoolIntArray()
return arrays
# There are probably better ways to do this
static func should_flip_reflected_triangle(v0 : Vector3, v1 : Vector3, v2 : Vector3) -> bool:
var reflected : Vector3 = reflect_vertex(v0, v1, v2)
var nn : Vector3 = get_face_normal(v0, v1, v2)
return should_triangle_flip(v0, v1, reflected, nn)
static func reflect_vertex(v0 : Vector3, v1 : Vector3, v2 : Vector3) -> Vector3:
return (v2 - v0).reflect(v1 - v0) + v0
static func get_face_normal_arr_ti(verts : PoolVector3Array, indices : PoolIntArray, triangle_index : int, flipped : bool = false) -> Vector3:
return get_face_normal_arr(verts, indices, triangle_index * 3, flipped)
static func get_face_normal_arr(verts : PoolVector3Array, indices : PoolIntArray, index : int, flipped : bool = false) -> Vector3:
var v0 : Vector3 = verts[indices[index]]
var v1 : Vector3 = verts[indices[index + 1]]
var v2 : Vector3 = verts[indices[index + 2]]
return get_face_normal(v0, v1, v2, flipped)
static func get_face_normal(v0 : Vector3, v1 : Vector3, v2 : Vector3, flipped : bool = false) -> Vector3:
if !flipped:
return Plane(v0, v1, v2).normal
else:
return Plane(v2, v1, v0).normal
static func should_triangle_flip(v0 : Vector3, v1 : Vector3, v2 : Vector3, similar_dir_normal : Vector3) -> bool:
var normal : Vector3 = get_face_normal(v0, v1, v2)
var ndns : float = normal.dot(similar_dir_normal)
return ndns < 0
static func is_normal_similar(v0 : Vector3, v1 : Vector3, v2 : Vector3, similar_dir_normal : Vector3) -> bool:
var normal : Vector3 = get_face_normal(v0, v1, v2)
var ndns : float = normal.dot(similar_dir_normal)
return ndns >= 0
static func flip_triangle_ti(mdr : MeshDataResource, triangle_index : int) -> void:
flip_triangle(mdr, triangle_index * 3)
static func flip_triangle(mdr : MeshDataResource, index : int) -> 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
var indices : PoolIntArray = arrays[ArrayMesh.ARRAY_INDEX]
var i0 : int = indices[index]
var i2 : int = indices[index + 2]
indices[index] = i2
indices[index + 2] = i0
arrays[ArrayMesh.ARRAY_INDEX] = indices
mdr.set_array(arrays)