Sara/behaviour-tree-test
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Transform mesh's AABB to skeleton's space when calculate mesh's bounds.

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This commit is contained in:
ShirenY 2023-11-04 22:09:33 +08:00
parent 3e7f638d7b
commit 27f71c4e78
11 changed files with 122 additions and 25 deletions
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30
scene/2d/polygon_2d.cpp
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@ -101,7 +101,12 @@ void Polygon2D::_skeleton_bone_setup_changed() {
}
void Polygon2D::_notification(int p_what) {
if (p_what == NOTIFICATION_TRANSFORM_CHANGED && !Engine::get_singleton()->is_editor_hint()) {
return; // Mesh recreation for NOTIFICATION_TRANSFORM_CHANGED is only needed in editor.
}
switch (p_what) {
case NOTIFICATION_TRANSFORM_CHANGED:
case NOTIFICATION_DRAW: {
if (polygon.size() < 3) {
return;
@ -364,7 +369,30 @@ void Polygon2D::_notification(int p_what) {
arr[RS::ARRAY_INDEX] = index_array;
RS::get_singleton()->mesh_add_surface_from_arrays(mesh, RS::PRIMITIVE_TRIANGLES, arr, Array(), Dictionary(), RS::ARRAY_FLAG_USE_2D_VERTICES);
RS::SurfaceData sd;
if (skeleton_node) {
// Compute transform between mesh and skeleton for runtime AABB compute.
const Transform2D mesh_transform = get_global_transform();
const Transform2D skeleton_transform = skeleton_node->get_global_transform();
const Transform2D mesh_to_sk2d = mesh_transform * skeleton_transform.affine_inverse();
// Convert 2d transform to 3d.
sd.mesh_to_skeleton_xform.basis.rows[0][0] = mesh_to_sk2d.columns[0][0];
sd.mesh_to_skeleton_xform.basis.rows[0][1] = mesh_to_sk2d.columns[0][1];
sd.mesh_to_skeleton_xform.origin.x = mesh_to_sk2d.get_origin().x;
sd.mesh_to_skeleton_xform.basis.rows[1][0] = mesh_to_sk2d.columns[1][0];
sd.mesh_to_skeleton_xform.basis.rows[1][1] = mesh_to_sk2d.columns[1][1];
sd.mesh_to_skeleton_xform.origin.y = mesh_to_sk2d.get_origin().y;
}
Error err = RS::get_singleton()->mesh_create_surface_data_from_arrays(&sd, RS::PRIMITIVE_TRIANGLES, arr, Array(), Dictionary(), RS::ARRAY_FLAG_USE_2D_VERTICES);
if (err != OK) {
return;
}
RS::get_singleton()->mesh_add_surface(mesh, sd);
RS::get_singleton()->canvas_item_add_mesh(get_canvas_item(), mesh, Transform2D(), Color(1, 1, 1), texture.is_valid() ? texture->get_rid() : RID());
}