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Added flip switch to generate_normals

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This commit is contained in:
Chaosus 2018-02-14 22:14:23 +03:00
parent 79f48cde3d
commit 399e553829
3 changed files with 11 additions and 4 deletions
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3
doc/classes/SurfaceTool.xml
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@ -196,8 +196,11 @@
<method name="generate_normals">
<return type="void">
</return>
<argument index="0" name="flip" type="bool" default="false">
</argument>
<description>
Generates normals from Vertices so you do not have to do it manually.
Setting "flip" [code]true[/code] inverts resulting normals.
</description>
</method>
<method name="generate_tangents">

10
scene/resources/surface_tool.cpp
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@ -861,7 +861,7 @@ void SurfaceTool::generate_tangents() {
}
}
void SurfaceTool::generate_normals() {
void SurfaceTool::generate_normals(bool p_flip) {
ERR_FAIL_COND(primitive != Mesh::PRIMITIVE_TRIANGLES);
@ -887,7 +887,11 @@ void SurfaceTool::generate_normals() {
ERR_FAIL_COND(!v[2]);
E = v[2]->next();
Vector3 normal = Plane(v[0]->get().vertex, v[1]->get().vertex, v[2]->get().vertex).normal;
Vector3 normal;
if (!p_flip)
normal = Plane(v[0]->get().vertex, v[1]->get().vertex, v[2]->get().vertex).normal;
else
normal = Plane(v[2]->get().vertex, v[1]->get().vertex, v[0]->get().vertex).normal;
if (smooth) {
@ -980,7 +984,7 @@ void SurfaceTool::_bind_methods() {
ClassDB::bind_method(D_METHOD("index"), &SurfaceTool::index);
ClassDB::bind_method(D_METHOD("deindex"), &SurfaceTool::deindex);
ClassDB::bind_method(D_METHOD("generate_normals"), &SurfaceTool::generate_normals);
ClassDB::bind_method(D_METHOD("generate_normals", "flip"), &SurfaceTool::generate_normals, DEFVAL(false));
ClassDB::bind_method(D_METHOD("generate_tangents"), &SurfaceTool::generate_tangents);
ClassDB::bind_method(D_METHOD("add_to_format", "flags"), &SurfaceTool::add_to_format);

2
scene/resources/surface_tool.h
View file

@ -116,7 +116,7 @@ public:
void index();
void deindex();
void generate_normals();
void generate_normals(bool p_flip = false);
void generate_tangents();
void add_to_format(int p_flags) { format |= p_flags; }