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Diffstat (limited to 'scene/2d/path_2d.cpp')
-rw-r--r--scene/2d/path_2d.cpp61
1 files changed, 50 insertions, 11 deletions
diff --git a/scene/2d/path_2d.cpp b/scene/2d/path_2d.cpp
index b5945a4562..823b8d56e3 100644
--- a/scene/2d/path_2d.cpp
+++ b/scene/2d/path_2d.cpp
@@ -106,18 +106,57 @@ void Path2D::_notification(int p_what) {
#else
const real_t line_width = get_tree()->get_debug_paths_width();
#endif
- _cached_draw_pts.resize(curve->get_point_count() * 8);
- int count = 0;
-
- for (int i = 0; i < curve->get_point_count(); i++) {
- for (int j = 0; j < 8; j++) {
- real_t frac = j * (1.0 / 8.0);
- Vector2 p = curve->sample(i, frac);
- _cached_draw_pts.set(count++, p);
+ real_t interval = 10;
+ const real_t length = curve->get_baked_length();
+
+ if (length > CMP_EPSILON) {
+ const int sample_count = int(length / interval) + 2;
+ interval = length / (sample_count - 1); // Recalculate real interval length.
+
+ Vector<Transform2D> frames;
+ frames.resize(sample_count);
+
+ {
+ Transform2D *w = frames.ptrw();
+
+ for (int i = 0; i < sample_count; i++) {
+ w[i] = curve->sample_baked_with_rotation(i * interval, false);
+ }
}
- }
- draw_polyline(_cached_draw_pts, get_tree()->get_debug_paths_color(), line_width, true);
+ const Transform2D *r = frames.ptr();
+ // Draw curve segments
+ {
+ PackedVector2Array v2p;
+ v2p.resize(sample_count);
+ Vector2 *w = v2p.ptrw();
+
+ for (int i = 0; i < sample_count; i++) {
+ w[i] = r[i].get_origin();
+ }
+ draw_polyline(v2p, get_tree()->get_debug_paths_color(), line_width, false);
+ }
+
+ // Draw fish bones
+ {
+ PackedVector2Array v2p;
+ v2p.resize(3);
+ Vector2 *w = v2p.ptrw();
+
+ for (int i = 0; i < sample_count; i++) {
+ const Vector2 p = r[i].get_origin();
+ const Vector2 side = r[i].columns[0];
+ const Vector2 forward = r[i].columns[1];
+
+ // Fish Bone.
+ w[0] = p + (side - forward) * 5;
+ w[1] = p;
+ w[2] = p + (-side - forward) * 5;
+
+ draw_polyline(v2p, get_tree()->get_debug_paths_color(), line_width * 0.5, false);
+ }
+ }
+ }
} break;
}
}
@@ -177,7 +216,7 @@ void PathFollow2D::_update_transform() {
}
if (rotates) {
- Transform2D xform = c->sample_baked_with_rotation(progress, cubic, loop, lookahead);
+ Transform2D xform = c->sample_baked_with_rotation(progress, cubic);
xform.translate_local(v_offset, h_offset);
set_rotation(xform[1].angle());
set_position(xform[2]);