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rutan/rtween.rb

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Tweenアニメーションさん for RGSS3 http://d.hatena.ne.jp/ru_shalm/20130506/rgss_tween
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rtween.rb
# coding: utf-8
#===============================================================================
# ■ Tweenアニメーションさん for RGSS3
#-------------------------------------------------------------------------------
# 2013/05/11　Ru/むっくRu
#-------------------------------------------------------------------------------
# FlashなどではおなじみのTweenアニメーションを扱う機能をRGSS3に追加します。
# 指定したプロパティを指定時間で変化させることが可能になります。
# 詳細は解説記事をどうぞ。
#-------------------------------------------------------------------------------
# 【注意】
# このスクリプトはRGSSに機能を追加するものであり、
# このスクリプトだけで何か効果があるわけではありません。
#-------------------------------------------------------------------------------
# 【更新履歴】
# 2013/05/11 メソッド名間違えていたのを修正
# 2013/05/06 公開
#-------------------------------------------------------------------------------
#===============================================================================
# ↓ 以下、スクリプト部 ↓
#===============================================================================
module HZM_VXA
module Tween
#---------------------------------------------------------------------------
# ■ 全Tweenアニメーションの管理
#---------------------------------------------------------------------------
module Manager
#-------------------------------------------------------------------------
# ● 初期化
#-------------------------------------------------------------------------
def self.init
@list = []
end
#-------------------------------------------------------------------------
# ● フレーム更新
#-------------------------------------------------------------------------
def self.update
@list.delete_if do |animation|
animation.update_from_manager
!animation.play?
end
end
#-------------------------------------------------------------------------
# ● アニメーションの追加
#-------------------------------------------------------------------------
def self.push(animation)
@list.push animation unless @list.include?(animation)
end
#-------------------------------------------------------------------------
# ● 再生中？
#-------------------------------------------------------------------------
def self.play?
@list.size > 0
end
end
#---------------------------------------------------------------------------
# ■ 各Tweenアニメーション用クラス
#---------------------------------------------------------------------------
class Animation
#-------------------------------------------------------------------------
# ● 生成
#-------------------------------------------------------------------------
def initialize(obj, *params)
@obj = obj
@animation_params = params
@playing = false
end
#-------------------------------------------------------------------------
# ● 再生開始
#-------------------------------------------------------------------------
def play
@playing = true
@timer = 0
@index = 0
init_animation
Manager.push(self)
end
#-------------------------------------------------------------------------
# ● 再生停止
#-------------------------------------------------------------------------
def stop
@playing = false
end
#-------------------------------------------------------------------------
# ● 再生中か
#-------------------------------------------------------------------------
def play?
@playing
end
#-------------------------------------------------------------------------
# ● 更新（Managerから呼び出される）
#-------------------------------------------------------------------------
def update_from_manager
# 停止中は処理しない
return unless @playing
# 再生時間の増加
@timer += 1
# 各要素を更新
begin
@playing_params.each do |key, value|
n = @transition_method.call(@timer, value[1], value[2], @timer_max)
value[0].call(n.to_i)
end
rescue RGSSError
# 既に解放済みなので強制終了する
stop
return
end
# 再生が完了したら次のステップへ
unless @timer < @timer_max
@index += 1
init_animation
end
end
private
#-------------------------------------------------------------------------
# ● アニメーション開始の準備
#-------------------------------------------------------------------------
def init_animation
# 全アニメーションが終了していたら再生停止
return stop unless @index < @animation_params.size
# 初期化
@timer = 0.0
# 再生時間の確認
@timer_max = @animation_params[@index][:time].to_f
# トランジションメソッドの確認
transition = @animation_params[@index][:transition]
transition = nil if transition == :default
if transition == nil
transition = Transition.default
elsif transition.class == Symbol
begin
transition = Transition.method_cache(transition)
rescue
transition = Transition.default
end
end
@transition_method = transition
# 各要素の初期値、ターゲット値を準備
params = {}
@animation_params[@index].each do |key, value|
next if key == :time or key == :transition
method = @obj.method("#{key}=".to_sym)
start = @obj.method(key).call.to_i
change = value.to_i - start
params[key] = [method, start.to_f, change.to_f]
end
@playing_params = params
true
end
end
#---------------------------------------------------------------------------
# ■ 標準トランジション用モジュール
# 新たに追加したくなった場合は、ここに追加する
#---------------------------------------------------------------------------
# 参考元URL
# http://www.robertpenner.com/easing/
# http://gizma.com/easing/
#---------------------------------------------------------------------------
module Transition
@@caches = {}
#-------------------------------------------------------------------------
# ● 標準トランジションの取得
#-------------------------------------------------------------------------
def self.default
self.method_cache(:linear)
end
#-------------------------------------------------------------------------
# ● メソッドキャッシュの取得
#-------------------------------------------------------------------------
def self.method_cache(name)
@@caches[name] ||= self.method(name)
end
#-------------------------------------------------------------------------
# ● Linear
#-------------------------------------------------------------------------
def self.linear(time, begin_value, change_value, duration)
begin_value + change_value * time / duration
end
#-------------------------------------------------------------------------
# ● Easing In Quad
#-------------------------------------------------------------------------
def self.ease_in_quad(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * time * time
end
#-------------------------------------------------------------------------
# ● Easing Out Quad
#-------------------------------------------------------------------------
def self.ease_out_quad(time, begin_value, change_value, duration)
time /= duration
begin_value - change_value * time * (time - 2)
end
#-------------------------------------------------------------------------
# ● Easing In/Out Quad
#-------------------------------------------------------------------------
def self.ease_in_out_quad(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if time < 1
begin_value + change_value * time * time
else
time -= 1
begin_value - change_value * (time * (time - 2) - 1)
end
end
#-------------------------------------------------------------------------
# ● Easing In Cubic
#-------------------------------------------------------------------------
def self.ease_in_cubic(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (time ** 3)
end
#-------------------------------------------------------------------------
# ● Easing Out Cubic
#-------------------------------------------------------------------------
def self.ease_out_cubic(time, begin_value, change_value, duration)
time /= duration
time -= 1
begin_value + change_value * (time ** 3 + 1)
end
#-------------------------------------------------------------------------
# ● Easing In/Out Cubic
#-------------------------------------------------------------------------
def self.ease_in_out_cubic(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if time < 1
begin_value + change_value * (time ** 3)
else
time -= 2
begin_value + change_value * (time ** 3 + 2)
end
end
#-------------------------------------------------------------------------
# ● Easing In Quartic
#-------------------------------------------------------------------------
def self.ease_in_quart(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (time ** 4)
end
#-------------------------------------------------------------------------
# ● Easing Out Quartic
#-------------------------------------------------------------------------
def self.ease_out_quart(time, begin_value, change_value, duration)
time /= duration
time -= 1
begin_value - change_value * (time ** 4 - 1)
end
#-------------------------------------------------------------------------
# ● Easing In/Out Quartic
#-------------------------------------------------------------------------
def self.ease_in_out_quart(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if time < 1
begin_value + change_value * (time ** 4)
else
time -= 2
begin_value - change_value * (time ** 4 - 2)
end
end
#-------------------------------------------------------------------------
# ● Easing In Quintic
#-------------------------------------------------------------------------
def self.ease_in_quint(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (time ** 5)
end
#-------------------------------------------------------------------------
# ● Easing Out Quintic
#-------------------------------------------------------------------------
def self.ease_out_quint(time, begin_value, change_value, duration)
time /= duration
time -= 1
begin_value + change_value * (time ** 5 + 1)
end
#-------------------------------------------------------------------------
# ● Easing In/Out Quintic
#-------------------------------------------------------------------------
def self.ease_in_out_quint(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if time < 1
begin_value + change_value * (time ** 5)
else
time -= 2
begin_value + change_value * (time ** 5 + 2)
end
end
#-------------------------------------------------------------------------
# ● Easing In Sine
#-------------------------------------------------------------------------
def self.ease_in_sine(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (1 - Math.cos(time * (Math::PI / 2)))
end
#-------------------------------------------------------------------------
# ● Easing Out Sine
#-------------------------------------------------------------------------
def self.ease_out_sine(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * Math.sin(time * (Math::PI / 2))
end
#-------------------------------------------------------------------------
# ● Easing In/Out Sine
#-------------------------------------------------------------------------
def self.ease_in_out_sine(time, begin_value, change_value, duration)
time /= duration
begin_value - change_value / 2 * (Math.cos(Math::PI * time) - 1)
end
#-------------------------------------------------------------------------
# ● Easing In Exponential
#-------------------------------------------------------------------------
def self.ease_in_expo(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (2 ** (10 * (time - 1)))
end
#-------------------------------------------------------------------------
# ● Easing Out Exponential
#-------------------------------------------------------------------------
def self.ease_out_expo(time, begin_value, change_value, duration)
time /= duration
begin_value + change_value * (1 - (2 ** (-10 * time)))
end
#-------------------------------------------------------------------------
# ● Easing In/Out Exponential
#-------------------------------------------------------------------------
def self.ease_in_out_expo(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if time < 1
begin_value + change_value * (2 ** (10 * (time - 1)))
else
begin_value + change_value * (-2 ** (10 * (time - 1)) + 2)
end
end
#-------------------------------------------------------------------------
# ● Easing In Circular
#-------------------------------------------------------------------------
def self.ease_in_circ(time, begin_value, change_value, duration)
time /= duration
begin_value - change_value * (Math.sqrt(1 - time * time) - 1)
end
#-------------------------------------------------------------------------
# ● Easing Out Circular
#-------------------------------------------------------------------------
def self.ease_out_circ(time, begin_value, change_value, duration)
time /= duration
time -= 1
begin_value + change_value * Math.sqrt(1 - time * time)
end
#-------------------------------------------------------------------------
# ● Easing In/Out Circular
#-------------------------------------------------------------------------
def self.ease_in_out_circ(time, begin_value, change_value, duration)
time /= duration / 2
change_value /= 2
if (time < 1)
begin_value - change_value * (Math.sqrt(1 - time * time) - 1)
else
begin_value + change_value * (Math.sqrt(1 - time * time) + 1)
end
end
end
end
end
#===============================================================================
# ■ SceneManager
#===============================================================================
class << SceneManager
#-----------------------------------------------------------------------------
# ● 実行（エイリアス）
#-----------------------------------------------------------------------------
alias hzm_vxa_tween_run run
def run
HZM_VXA::Tween::Manager.init
hzm_vxa_tween_run
end
end
#===============================================================================
# ■ Scene_Base
#===============================================================================
class Scene_Base
#-----------------------------------------------------------------------------
# ● フレーム更新（基本）（エイリアス）
#-----------------------------------------------------------------------------
alias hzm_vxa_tween_update_basic update_basic
def update_basic
HZM_VXA::Tween::Manager.update
hzm_vxa_tween_update_basic
end
end
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