160 lines
6.1 KiB
Ruby
160 lines
6.1 KiB
Ruby
#==============================================================================
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# ■ Game_Picture
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#------------------------------------------------------------------------------
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# ピクチャを扱うクラスです。このクラスは Game_Pictures クラスの内部で、特定
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# の番号のピクチャが必要になったときだけ作成されます。
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#==============================================================================
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class Game_Picture
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#--------------------------------------------------------------------------
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# ● 公開インスタンス変数
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#--------------------------------------------------------------------------
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attr_reader :number # ピクチャ番号
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attr_reader :name # ファイル名
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attr_reader :origin # 原点
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attr_reader :x # X 座標
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attr_reader :y # Y 座標
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attr_reader :zoom_x # X 方向拡大率
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attr_reader :zoom_y # Y 方向拡大率
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attr_reader :opacity # 不透明度
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attr_reader :blend_type # ブレンド方法
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attr_reader :tone # 色調
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attr_reader :angle # 回転角度
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#--------------------------------------------------------------------------
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# ● オブジェクト初期化
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#--------------------------------------------------------------------------
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def initialize(number)
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@number = number
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init_basic
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init_target
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init_tone
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init_rotate
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end
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#--------------------------------------------------------------------------
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# ● 基本変数の初期化
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#--------------------------------------------------------------------------
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def init_basic
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@name = ""
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@origin = @x = @y = 0
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@zoom_x = @zoom_y = 100.0
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@opacity = 255.0
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@blend_type = 1
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end
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#--------------------------------------------------------------------------
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# ● 移動目標の初期化
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#--------------------------------------------------------------------------
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def init_target
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@target_x = @x
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@target_y = @y
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@target_zoom_x = @zoom_x
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@target_zoom_y = @zoom_y
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@target_opacity = @opacity
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@duration = 0
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end
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#--------------------------------------------------------------------------
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# ● 色調の初期化
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#--------------------------------------------------------------------------
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def init_tone
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@tone = Tone.new
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@tone_target = Tone.new
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@tone_duration = 0
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end
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#--------------------------------------------------------------------------
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# ● 回転の初期化
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#--------------------------------------------------------------------------
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def init_rotate
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@angle = 0
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@rotate_speed = 0
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end
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#--------------------------------------------------------------------------
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# ● ピクチャの表示
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#--------------------------------------------------------------------------
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def show(name, origin, x, y, zoom_x, zoom_y, opacity, blend_type)
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@name = name
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@origin = origin
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@x = x.to_f
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@y = y.to_f
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@zoom_x = zoom_x.to_f
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@zoom_y = zoom_y.to_f
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@opacity = opacity.to_f
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@blend_type = blend_type
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init_target
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init_tone
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init_rotate
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end
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#--------------------------------------------------------------------------
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# ● ピクチャの移動
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#--------------------------------------------------------------------------
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def move(origin, x, y, zoom_x, zoom_y, opacity, blend_type, duration)
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@origin = origin
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@target_x = x.to_f
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@target_y = y.to_f
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@target_zoom_x = zoom_x.to_f
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@target_zoom_y = zoom_y.to_f
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@target_opacity = opacity.to_f
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@blend_type = blend_type
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@duration = duration
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end
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#--------------------------------------------------------------------------
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# ● 回転速度の変更
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#--------------------------------------------------------------------------
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def rotate(speed)
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@rotate_speed = speed
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end
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#--------------------------------------------------------------------------
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# ● 色調変更の開始
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#--------------------------------------------------------------------------
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def start_tone_change(tone, duration)
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@tone_target = tone.clone
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@tone_duration = duration
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@tone = @tone_target.clone if @tone_duration == 0
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end
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#--------------------------------------------------------------------------
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# ● ピクチャの消去
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#--------------------------------------------------------------------------
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def erase
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@name = ""
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end
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#--------------------------------------------------------------------------
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# ● フレーム更新
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#--------------------------------------------------------------------------
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def update
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update_move
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update_tone_change
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update_rotate
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end
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#--------------------------------------------------------------------------
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# ● ピクチャ移動の更新
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#--------------------------------------------------------------------------
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def update_move
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return if @duration == 0
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d = @duration
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@x = (@x * (d - 1) + @target_x) / d
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@y = (@y * (d - 1) + @target_y) / d
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@zoom_x = (@zoom_x * (d - 1) + @target_zoom_x) / d
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@zoom_y = (@zoom_y * (d - 1) + @target_zoom_y) / d
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@opacity = (@opacity * (d - 1) + @target_opacity) / d
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@duration -= 1
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end
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#--------------------------------------------------------------------------
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# ● 色調変更の更新
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#--------------------------------------------------------------------------
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def update_tone_change
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return if @tone_duration == 0
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d = @tone_duration
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@tone.red = (@tone.red * (d - 1) + @tone_target.red) / d
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@tone.green = (@tone.green * (d - 1) + @tone_target.green) / d
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@tone.blue = (@tone.blue * (d - 1) + @tone_target.blue) / d
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@tone.gray = (@tone.gray * (d - 1) + @tone_target.gray) / d
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@tone_duration -= 1
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end
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#--------------------------------------------------------------------------
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# ● 回転の更新
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#--------------------------------------------------------------------------
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def update_rotate
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return if @rotate_speed == 0
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@angle += @rotate_speed / 2.0
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@angle += 360 while @angle < 0
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@angle %= 360
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end
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end
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