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Complete rewrite of Tweens

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* Tweens were changed from Node to RefCounted. New API is inspired by DOTween.
* Tweens are created and managed by SceneTree, similar to SceneTreeTimer, which makes them ultra cheap to use a lot.
* Animating with Tweens is done by creating sequences of Tweeners. You create them from code and they autostart by default (fire-and-forget).
* There are 4 Tweeners that cover the former Tween functionality: PropertyTweener, IntervalTweener, CallbackTweener and MethodTweener.
* The methods were simplified a lot. Long argument lists are replaced with chained calls on Tweens and Tweeners.
* Tweeners by default execute in sequence, so it's easy to create complex chained animations.
* You can bind a Tween to a node. Tween will be removed automatically when the bound node is freed.
This commit is contained in:
Tomasz Chabora
2020-09-05 03:05:30 +02:00
committed by kobewi
parent 12e0f10c74
commit 900b2e0fdc
16 changed files with 1399 additions and 2005 deletions
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9
scene/main/node.cpp
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@@ -35,6 +35,7 @@
#include "core/object/message_queue.h"
#include "core/string/print_string.h"
#include "instance_placeholder.h"
#include "scene/animation/tween.h"
#include "scene/debugger/scene_debugger.h"
#include "scene/resources/packed_scene.h"
#include "scene/scene_string_names.h"
@@ -1683,6 +1684,13 @@ int Node::get_index() const {
return data.pos;
}
Ref<Tween> Node::create_tween() {
ERR_FAIL_COND_V_MSG(!data.tree, nullptr, "Can't create Tween when not inside scene tree.");
Ref<Tween> tween = get_tree()->create_tween();
tween->bind_node(this);
return tween;
}
void Node::remove_and_skip() {
ERR_FAIL_COND(!data.parent);
@@ -2552,6 +2560,7 @@ void Node::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_physics_processing_internal"), &Node::is_physics_processing_internal);
ClassDB::bind_method(D_METHOD("get_tree"), &Node::get_tree);
ClassDB::bind_method(D_METHOD("create_tween"), &Node::create_tween);
ClassDB::bind_method(D_METHOD("duplicate", "flags"), &Node::duplicate, DEFVAL(DUPLICATE_USE_INSTANCING | DUPLICATE_SIGNALS | DUPLICATE_GROUPS | DUPLICATE_SCRIPTS));
ClassDB::bind_method(D_METHOD("replace_by", "node", "keep_groups"), &Node::replace_by, DEFVAL(false));