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Merge pull request #628 from sanikoyes/PR-tween-support

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thanks sanikoyes this is great!
This commit is contained in:
Juan Linietsky 2014-09-17 10:00:24 -03:00
commit 574a84b40c
7 changed files with 2409 additions and 0 deletions
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11
demos/misc/tween/engine.cfg Normal file
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[application]
name="Tween Demo"
main_scene="res://main.xml"
icon="icon.png"
target_fps=60
[display]
stretch_mode="2d"
stretch_aspect="keep_width"

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demos/misc/tween/main.gd Normal file
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extends Control
# member variables here, example:
# var a=2
# var b="textvar"
var trans = ["linear", "sine", "quint", "quart", "quad", "expo", "elastic", "cubic", "circ", "bounce", "back"]
var eases = ["in", "out", "in_out", "out_in"]
var modes = ["move", "color", "scale", "rotate", "callback", "follow", "repeat", "pause"]
var state = {
trans = Tween.TRANS_LINEAR,
eases = Tween.EASE_IN,
}
func _ready():
for index in range(trans.size()):
var name = trans[index]
get_node("trans/" + name).connect("pressed", self, "on_trans_changed", [name, index])
for index in range(eases.size()):
var name = eases[index]
get_node("eases/" + name).connect("pressed", self, "on_eases_changed", [name, index])
for index in range(modes.size()):
var name = modes[index]
get_node("modes/" + name).connect("pressed", self, "on_modes_changed", [name])
get_node("color/color_from").set_color(Color(1, 0, 0, 1))
get_node("color/color_from").connect("color_changed", self, "on_color_changed")
get_node("color/color_to").set_color(Color(0, 1, 1, 1))
get_node("color/color_to").connect("color_changed", self, "on_color_changed")
get_node("trans/linear").set_pressed(true)
get_node("eases/in").set_pressed(true)
get_node("modes/move").set_pressed(true)
get_node("modes/repeat").set_pressed(true)
reset_tween()
# Initalization here
pass
func on_trans_changed(name, index):
for index in range(trans.size()):
var pressed = trans[index] == name
var btn = get_node("trans/" + trans[index])
btn.set_pressed(pressed)
btn.set_ignore_mouse(pressed)
state.trans = index
reset_tween()
func on_eases_changed(name, index):
for index in range(eases.size()):
var pressed = eases[index] == name
var btn = get_node("eases/" + eases[index])
btn.set_pressed(pressed)
btn.set_ignore_mouse(pressed)
state.eases = index
reset_tween()
func on_modes_changed(name):
var tween = get_node("tween")
if name == "pause":
if get_node("modes/pause").is_pressed():
tween.stop_all()
get_node("timeline").set_ignore_mouse(false)
else:
tween.resume_all()
get_node("timeline").set_ignore_mouse(true)
else:
reset_tween()
func on_color_changed(color):
reset_tween()
func reset_tween():
var tween = get_node("tween")
var pos = tween.tell()
tween.reset_all()
tween.remove_all()
var sprite = get_node("tween/area/sprite")
var follow = get_node("tween/area/follow")
var follow_2 = get_node("tween/area/follow_2")
var size = get_node("tween/area").get_size()
if get_node("modes/move").is_pressed():
tween.interpolate_method(sprite, "set_pos", Vector2(0,0), Vector2(size.width, size.height), 2, state.trans, state.eases)
tween.interpolate_property(sprite, "transform/pos", Vector2(size.width,size.height), Vector2(0, 0), 2, state.trans, state.eases, 2)
if get_node("modes/color").is_pressed():
tween.interpolate_method(sprite, "set_modulate", get_node("color/color_from").get_color(), get_node("color/color_to").get_color(), 2, state.trans, state.eases)
tween.interpolate_property(sprite, "modulate", get_node("color/color_to").get_color(), get_node("color/color_from").get_color(), 2, state.trans, state.eases, 2)
else:
sprite.set_modulate(Color(1, 1, 1, 1))
if get_node("modes/scale").is_pressed():
tween.interpolate_method(sprite, "set_scale", Vector2(0.5,0.5), Vector2(1.5, 1.5), 2, state.trans, state.eases)
tween.interpolate_property(sprite, "transform/scale", Vector2(1.5,1.5), Vector2(0.5, 0.5), 2, state.trans, state.eases, 2)
else:
sprite.set_scale(Vector2(1, 1))
if get_node("modes/rotate").is_pressed():
tween.interpolate_method(sprite, "_set_rotd", 0, 360, 2, state.trans, state.eases)
tween.interpolate_property(sprite, "transform/rot", 360, 0, 2, state.trans, state.eases, 2)
if get_node("modes/callback").is_pressed():
tween.interpolate_callback(self, "on_callback", 0.5, "0.5 second's after")
tween.interpolate_callback(self, "on_callback", 1.2, "1.2 second's after")
if get_node("modes/follow").is_pressed():
follow.show()
follow_2.show()
tween.follow_method(follow, "set_pos", Vector2(0, size.height), sprite, "get_pos", 2, state.trans, state.eases)
tween.targeting_method(follow, "set_pos", sprite, "get_pos", Vector2(0, size.height), 2, state.trans, state.eases, 2)
tween.targeting_property(follow_2, "transform/pos", sprite, "transform/pos", Vector2(size.width, 0), 2, state.trans, state.eases)
tween.follow_property(follow_2, "transform/pos", Vector2(size.width, 0), sprite, "transform/pos", 2, state.trans, state.eases, 2)
else:
follow.hide()
follow_2.hide()
tween.set_repeat(get_node("modes/repeat").is_pressed())
tween.start()
tween.seek(pos)
if get_node("modes/pause").is_pressed():
tween.stop_all()
get_node("timeline").set_ignore_mouse(false)
get_node("timeline").set_value(0)
else:
tween.resume_all()
get_node("timeline").set_ignore_mouse(true)
func _on_tween_step( object, key, elapsed, value ):
var timeline = get_node("timeline")
var tween = get_node("tween")
var runtime = tween.get_runtime()
var ratio = 100 * (elapsed / runtime)
timeline.set_value(ratio)
func _on_timeline_value_changed( value ):
if !get_node("modes/pause").is_pressed():
return
var tween = get_node("tween")
var runtime = tween.get_runtime()
tween.seek(runtime * value / 100)
func on_callback(arg):
var label = get_node("tween/area/label")
label.add_text("on_callback -> " + arg + "\n")

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demos/misc/tween/main.xml Normal file
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scene/animation/tween.cpp Normal file
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scene/animation/tween.h Normal file
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/*************************************************************************/
/* tween.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef TWEEN_H
#define TWEEN_H
#include "scene/main/node.h"
class Tween : public Node {
OBJ_TYPE( Tween, Node );
public:
enum TweenProcessMode {
TWEEN_PROCESS_FIXED,
TWEEN_PROCESS_IDLE,
};
enum TransitionType {
TRANS_LINEAR,
TRANS_SINE,
TRANS_QUINT,
TRANS_QUART,
TRANS_QUAD,
TRANS_EXPO,
TRANS_ELASTIC,
TRANS_CUBIC,
TRANS_CIRC,
TRANS_BOUNCE,
TRANS_BACK,
TRANS_COUNT,
};
enum EaseType {
EASE_IN,
EASE_OUT,
EASE_IN_OUT,
EASE_OUT_IN,
EASE_COUNT,
};
private:
enum InterpolateType {
INTER_PROPERTY,
INTER_METHOD,
FOLLOW_PROPERTY,
FOLLOW_METHOD,
TARGETING_PROPERTY,
TARGETING_METHOD,
INTER_CALLBACK,
};
struct InterpolateData {
bool active;
InterpolateType type;
bool finish;
real_t elapsed;
NodePath path;
StringName key;
Variant initial_val;
Variant delta_val;
Variant final_val;
NodePath target;
StringName target_key;
real_t times_in_sec;
TransitionType trans_type;
EaseType ease_type;
real_t delay;
Variant arg;
};
String autoplay;
TweenProcessMode tween_process_mode;
bool processing;
bool active;
bool repeat;
float speed_scale;
List<InterpolateData> interpolates;
typedef real_t (*interpolater)(real_t t, real_t b, real_t c, real_t d);
static interpolater interpolaters[TRANS_COUNT][EASE_COUNT];
real_t _run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d);
Variant& _get_delta_val(InterpolateData& p_data);
Variant& _get_initial_val(InterpolateData& p_data);
Variant _run_equation(InterpolateData& p_data);
bool _calc_delta_val(const Variant& p_initial_val, const Variant& p_final_val, Variant& p_delta_val);
bool _apply_tween_value(InterpolateData& p_data, Variant& value);
void _tween_process(float p_delta);
void _set_process(bool p_process,bool p_force=false);
protected:
bool _set(const StringName& p_name, const Variant& p_value);
bool _get(const StringName& p_name,Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _notification(int p_what);
static void _bind_methods();
public:
bool is_active() const;
void set_active(bool p_active);
bool is_repeat() const;
void set_repeat(bool p_repeat);
void set_tween_process_mode(TweenProcessMode p_mode);
TweenProcessMode get_tween_process_mode() const;
void set_speed(float p_speed);
float get_speed() const;
bool start();
bool reset(Node *p_node, String p_key);
bool reset_all();
bool stop(Node *p_node, String p_key);
bool stop_all();
bool resume(Node *p_node, String p_key);
bool resume_all();
bool remove(Node *p_node, String p_key);
bool remove_all();
bool seek(real_t p_time);
real_t tell() const;
real_t get_runtime() const;
bool interpolate_property(Node *p_node
, String p_property
, Variant p_initial_val
, Variant p_final_val
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
bool interpolate_method(Node *p_node
, String p_method
, Variant p_initial_val
, Variant p_final_val
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
bool interpolate_callback(Node *p_node
, String p_callback
, real_t p_times_in_sec
, Variant p_arg = Variant()
);
bool follow_property(Node *p_node
, String p_property
, Variant p_initial_val
, Node *p_target
, String p_target_property
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
bool follow_method(Node *p_node
, String p_method
, Variant p_initial_val
, Node *p_target
, String p_target_method
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
bool targeting_property(Node *p_node
, String p_property
, Node *p_initial
, String p_initial_property
, Variant p_final_val
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
bool targeting_method(Node *p_node
, String p_method
, Node *p_initial
, String p_initial_method
, Variant p_final_val
, real_t p_times_in_sec
, TransitionType p_trans_type
, EaseType p_ease_type
, real_t p_delay = 0
);
Tween();
~Tween();
};
VARIANT_ENUM_CAST( Tween::TweenProcessMode );
VARIANT_ENUM_CAST( Tween::TransitionType );
VARIANT_ENUM_CAST( Tween::EaseType );
#endif

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scene/animation/tween_interpolaters.cpp Normal file
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/*************************************************************************/
/* tween.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "tween.h"
const real_t pi = 3.1415926535898;
///////////////////////////////////////////////////////////////////////////
// linear
///////////////////////////////////////////////////////////////////////////
namespace linear {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c * t / d + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return c * t / d + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
return c * t / d + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return c * t / d + b;
}
};
///////////////////////////////////////////////////////////////////////////
// sine
///////////////////////////////////////////////////////////////////////////
namespace sine {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return -c * cos(t / d * (pi / 2)) + c + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return c * sin(t / d * (pi / 2)) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
return -c / 2 * (cos(pi * t / d) - 1) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// quint
///////////////////////////////////////////////////////////////////////////
namespace quint {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c * pow(t / d, 5) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return c * (pow(t / d - 1, 5) + 1) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
t = t / d * 2;
if (t < 1) return c / 2 * pow(t, 5) + b;
return c / 2 * (pow(t - 2, 5) + 2) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// quart
///////////////////////////////////////////////////////////////////////////
namespace quart {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c * pow(t / d, 4) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return -c * (pow(t / d - 1, 4) - 1) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
t = t / d * 2;
if (t < 1) return c / 2 * pow(t, 4) + b;
return -c / 2 * (pow(t - 2, 4) - 2) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// quad
///////////////////////////////////////////////////////////////////////////
namespace quad {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c * pow(t / d, 2) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
t = t / d;
return -c * t * (t - 2) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
t = t / d * 2;
if (t < 1) return c / 2 * pow(t, 2) + b;
return -c / 2 * ((t - 1) * (t - 3) - 1) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// expo
///////////////////////////////////////////////////////////////////////////
namespace expo {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
if (t == 0) return b;
return c * pow(2, 10 * (t / d - 1)) + b - c * 0.001;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
if (t == d) return b + c;
return c * 1.001 * (-pow(2, -10 * t / d) + 1) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
if (t == 0) return b;
if (t == d) return b + c;
t = t / d * 2;
if (t < 1) return c / 2 * pow(2, 10 * (t - 1)) + b - c * 0.0005;
return c / 2 * 1.0005 * (-pow(2, -10 * (t - 1)) + 2) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// elastic
///////////////////////////////////////////////////////////////////////////
namespace elastic {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
if (t == 0) return b;
if ((t /= d) == 1) return b + c;
float p = d * 0.3f;
float a = c;
float s = p / 4;
float postFix = a * pow(2,10 * (t -= 1)); // this is a fix, again, with post-increment operators
return -(postFix * sin((t * d - s) * (2 * pi) / p )) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
if (t == 0) return b;
if ((t /= d) == 1) return b + c;
float p = d * 0.3f;
float a = c;
float s = p / 4;
return (a * pow(2, -10 * t) * sin((t * d - s) * (2 * pi) / p ) + c + b);
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
if (t == 0) return b;
if ((t /= d / 2) == 2) return b + c;
float p = d * (0.3f * 1.5f);
float a = c;
float s = p / 4;
if (t < 1) {
float postFix = a * pow(2, 10 * (t -= 1)); // postIncrement is evil
return -0.5f * (postFix * sin((t * d - s) * (2 * pi) / p)) + b;
}
float postFix = a * pow(2, -10 * (t -= 1)); // postIncrement is evil
return postFix * sin((t * d - s) * (2 * pi) / p ) * 0.5f + c + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// cubic
///////////////////////////////////////////////////////////////////////////
namespace cubic {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c * (t /= d) * t * t + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return c * ((t = t / d - 1) * t * t + 1) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
return c / 2 * ((t -= 2) * t * t + 2) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// circ
///////////////////////////////////////////////////////////////////////////
namespace circ {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return -c * (sqrt(1 - (t /= d) * t) - 1) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
return c * sqrt(1 - (t = t / d - 1) * t) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
if ((t /= d / 2) < 1) return -c / 2 * (sqrt(1 - t * t) - 1) + b;
return c / 2 * (sqrt(1 - t * (t -= 2)) + 1) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// bounce
///////////////////////////////////////////////////////////////////////////
namespace bounce {
static real_t out(real_t t, real_t b, real_t c, real_t d);
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
return c - out(d - t, 0, c, d) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
if ((t /= d) < (1 / 2.75f)) {
return c*(7.5625f*t*t) + b;
} else if (t < (2/2.75f)) {
float postFix = t-=(1.5f/2.75f);
return c*(7.5625f*(postFix)*t + .75f) + b;
} else if (t < (2.5/2.75)) {
float postFix = t-=(2.25f/2.75f);
return c*(7.5625f*(postFix)*t + .9375f) + b;
} else {
float postFix = t-=(2.625f/2.75f);
return c*(7.5625f*(postFix)*t + .984375f) + b;
}
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? in(t * 2, b, c / 2, d)
: out((t * 2) - d, b + c / 2, c / 2, d)
;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
///////////////////////////////////////////////////////////////////////////
// back
///////////////////////////////////////////////////////////////////////////
namespace back {
static real_t in(real_t t, real_t b, real_t c, real_t d)
{
float s = 1.70158f;
float postFix = t /= d;
return c * (postFix) * t * ((s + 1) * t - s) + b;
}
static real_t out(real_t t, real_t b, real_t c, real_t d)
{
float s = 1.70158f;
return c * ((t = t / d- 1) * t * ((s + 1) * t + s) + 1) + b;
}
static real_t in_out(real_t t, real_t b, real_t c, real_t d)
{
float s = 1.70158f;
if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525f)) + 1) * t - s)) + b;
float postFix = t -= 2;
return c / 2 * ((postFix) * t * (((s *= (1.525f)) + 1) * t + s) + 2) + b;
}
static real_t out_in(real_t t, real_t b, real_t c, real_t d)
{
return (t < d / 2)
? out(t * 2, b, c / 2, d)
: in((t * 2) - d, b + c / 2, c / 2, d)
;
}
};
Tween::interpolater Tween::interpolaters[Tween::TRANS_COUNT][Tween::EASE_COUNT] = {
{ &linear::in, &linear::out, &linear::in_out, &linear::out_in },
{ &sine::in, &sine::out, &sine::in_out, &sine::out_in },
{ &quint::in, &quint::out, &quint::in_out, &quint::out_in },
{ &quart::in, &quart::out, &quart::in_out, &quart::out_in },
{ &quad::in, &quad::out, &quad::in_out, &quad::out_in },
{ &expo::in, &expo::out, &expo::in_out, &expo::out_in },
{ &elastic::in, &elastic::out, &elastic::in_out, &elastic::out_in },
{ &cubic::in, &cubic::out, &cubic::in_out, &cubic::out_in },
{ &circ::in, &circ::out, &circ::in_out, &circ::out_in },
{ &bounce::in, &bounce::out, &bounce::in_out, &bounce::out_in },
{ &back::in, &back::out, &back::in_out, &back::out_in },
};
real_t Tween::_run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d) {
interpolater cb = interpolaters[p_trans_type][p_ease_type];
ERR_FAIL_COND_V(cb == NULL, b);
return cb(t, b, c, d);
}

2
scene/register_scene_types.cpp
View File

@ -108,6 +108,7 @@
#include "scene/animation/animation_player.h"
#include "scene/animation/animation_tree_player.h"
#include "scene/animation/tween.h"
#include "scene/main/scene_main_loop.h"
#include "scene/main/resource_preloader.h"
#include "scene/resources/packed_scene.h"
@ -369,6 +370,7 @@ void register_scene_types() {
ObjectTypeDB::register_type<Spatial>();
ObjectTypeDB::register_type<Skeleton>();
ObjectTypeDB::register_type<AnimationPlayer>();
ObjectTypeDB::register_type<Tween>();
OS::get_singleton()->yield(); //may take time to init