godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-11-04 12:00:25 +00:00
Code Releases Wiki Activity

draw fish bones for Path2D and Path3D

Browse Source 
These fish bones are add to indicate the direction and local transforms alone the path.
This commit is contained in:
Yaohua Xiong
2022-11-13 08:24:54 +08:00
parent 63578e208c
commit 9bdc0cb16f
4 changed files with 116 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
editor/plugins/path_3d_editor_plugin.cpp
View File

@@ -240,38 +240,63 @@ void Path3DGizmo::redraw() {
return;
}
Vector<Vector3> v3a = c->tessellate();
//Vector<Vector3> v3a=c->get_baked_points();
real_t interval = 0.1;
const real_t length = c->get_baked_length();
int v3s = v3a.size();
if (v3s == 0) {
return;
}
Vector<Vector3> v3p;
const Vector3 *r = v3a.ptr();
// 1. Draw curve and bones.
if (length > CMP_EPSILON) {
const int sample_count = int(length / interval) + 2;
interval = length / (sample_count - 1); // Recalculate real interval length.
// BUG: the following won't work when v3s, avoid drawing as a temporary workaround.
for (int i = 0; i < v3s - 1; i++) {
v3p.push_back(r[i]);
v3p.push_back(r[i + 1]);
//v3p.push_back(r[i]);
//v3p.push_back(r[i]+Vector3(0,0.2,0));
}
Vector<Transform3D> frames;
frames.resize(sample_count);
{
Transform3D *w = frames.ptrw();
for (int i = 0; i < sample_count; i++) {
w[i] = c->sample_baked_with_rotation(i * interval, true, true);
}
}
const Transform3D *r = frames.ptr();
Vector<Vector3> v3p;
for (int i = 0; i < sample_count - 1; i++) {
const Vector3 p1 = r[i].origin;
const Vector3 p2 = r[i + 1].origin;
const Vector3 side = r[i].basis.get_column(0);
const Vector3 up = r[i].basis.get_column(1);
const Vector3 forward = r[i].basis.get_column(2);
// Curve segment.
v3p.push_back(p1);
v3p.push_back(p2);
// Fish Bone.
v3p.push_back(p1);
v3p.push_back(p1 + (side - forward) * 0.06);
v3p.push_back(p1);
v3p.push_back(p1 + (-side - forward) * 0.06);
v3p.push_back(p1);
v3p.push_back(p1 + up * 0.03);
}
if (v3p.size() > 1) {
add_lines(v3p, path_material);
add_collision_segments(v3p);
}
// 2. Draw handles.
if (Path3DEditorPlugin::singleton->get_edited_path() == path) {
v3p.clear();
Vector<Vector3> v3p;
Vector<Vector3> handle_points;
Vector<Vector3> sec_handle_points;
for (int i = 0; i < c->get_point_count(); i++) {
Vector3 p = c->get_point_position(i);
handle_points.push_back(p);
// push Out points first so they get selected if the In and Out points are on top of each other.
// Push out points first so they get selected if the In and Out points are on top of each other.
if (i < c->get_point_count() - 1) {
v3p.push_back(p);
v3p.push_back(p + c->get_point_out(i));