啊~要是让小草也随风摆动多好 - Project1

class Game_Picture
#--------------------------------------------------------------------------
# ● 定义实例变量
#--------------------------------------------------------------------------
attr_reader :number # 图片编号
attr_reader :name # 文件名
attr_reader :origin # 原点
attr_reader :x # X 坐标
attr_reader :y # Y 坐标
attr_reader :zoom_x # X 方向放大率
attr_reader :zoom_y # Y 方向放大率
attr_reader :opacity # 不透明度
attr_reader :blend_type # 合成方式
attr_reader :tone # 色调
attr_reader :angle # 旋转角度
#--------------------------------------------------------------------------
# ● 初始化对像
# number : 图片编号
#--------------------------------------------------------------------------
def initialize(number)
@number = number
@name = ""
@origin = 0
@x = 0.0
@y = 0.0
@zoom_x = 100.0
@zoom_y = 100.0
@opacity = 255.0
@blend_type = 1
@duration = 0
@target_x = @x
@target_y = @y
@target_zoom_x = @zoom_x
@target_zoom_y = @zoom_y
@target_opacity = @opacity
@tone = Tone.new(0, 0, 0, 0)
@tone_target = Tone.new(0, 0, 0, 0)
@tone_duration = 0
@angle = 0
@rotate_speed = 0
end
#--------------------------------------------------------------------------
# ● 显示图片
# name : 文件名
# origin : 原点
# x : X 坐标
# y : Y 坐标
# zoom_x : X 方向放大率
# zoom_y : Y 方向放大率
# opacity : 不透明度
# blend_type : 合成方式
#--------------------------------------------------------------------------
def show(name, origin, x, y, zoom_x, zoom_y, opacity, blend_type)
@name = name
@origin = origin
@x = x.to_f
@y = y.to_f
@zoom_x = zoom_x.to_f
@zoom_y = zoom_y.to_f
@opacity = opacity.to_f
@blend_type = blend_type
@duration = 0
@target_x = @x
@target_y = @y
@target_zoom_x = @zoom_x
@target_zoom_y = @zoom_y
@target_opacity = @opacity
@tone = Tone.new(0, 0, 0, 0)
@tone_target = Tone.new(0, 0, 0, 0)
@tone_duration = 0
@angle = 0
@rotate_speed = 0
end
#--------------------------------------------------------------------------
# ● 移动图片
# duration : 时间
# origin : 原点
# x : X 坐标
# y : Y 坐标
# zoom_x : X 方向放大率
# zoom_y : Y 方向放大率
# opacity : 不透明度
# blend_type : 合成方式
#--------------------------------------------------------------------------
def move(duration, origin, x, y, zoom_x, zoom_y, opacity, blend_type)
@duration = duration
@origin = origin
@target_x = x.to_f
@target_y = y.to_f
@target_zoom_x = zoom_x.to_f
@target_zoom_y = zoom_y.to_f
@target_opacity = opacity.to_f
@blend_type = blend_type
end
#--------------------------------------------------------------------------
# ● 更改旋转速度
# speed : 旋转速度
#--------------------------------------------------------------------------
def rotate(speed)
@rotate_speed = speed
end
#--------------------------------------------------------------------------
# ● 开始更改色调
# tone : 色调
# duration : 时间
#--------------------------------------------------------------------------
def start_tone_change(tone, duration)
@tone_target = tone.clone
@tone_duration = duration
if @tone_duration == 0
@tone = @tone_target.clone
end
end
#--------------------------------------------------------------------------
# ● 消除图片
#--------------------------------------------------------------------------
def erase
@name = ""
end
#--------------------------------------------------------------------------
# ● 刷新画面
#--------------------------------------------------------------------------
def update
if @duration >= 1
d = @duration
@x = (@x * (d - 1) + @target_x) / d
@y = (@y * (d - 1) + @target_y) / d
@zoom_x = (@zoom_x * (d - 1) + @target_zoom_x) / d
@zoom_y = (@zoom_y * (d - 1) + @target_zoom_y) / d
@opacity = (@opacity * (d - 1) + @target_opacity) / d
@duration -= 1
end
if @tone_duration >= 1
d = @tone_duration
@tone.red = (@tone.red * (d - 1) + @tone_target.red) / d
@tone.green = (@tone.green * (d - 1) + @tone_target.green) / d
@tone.blue = (@tone.blue * (d - 1) + @tone_target.blue) / d
@tone.gray = (@tone.gray * (d - 1) + @tone_target.gray) / d
@tone_duration -= 1
end
if @rotate_speed != 0
@angle += @rotate_speed / 2.0
while @angle < 0
@angle += 360
end
@angle %= 360
end
end
end

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