增加带旋转的远景 - Project1

#==============================================================================
# ■ 新增带旋转的远景
#------------------------------------------------------------------------------
# 用法：$game_map.set_parallax(远景图形,旋转速度,位置) 事件脚本中调用
# 旋转速度正负旋转方向相反
# 位置：数组[屏幕X,屏幕Y,原点] 原点 0 = 左上角 1 = 中心默认为中心
# 范例：$game_map.set_parallax("1.png",0.2) 默认放在画面中间
# $game_map.set_parallax("1.png",0.2,[320,240,0]) 放置在320，240位置原点为左上角
#==============================================================================
class Game_Map
attr_accessor :parallax_2nd
attr_accessor :parallax_rotate
attr_accessor :parallax_pos
#设置新增远景
def set_parallax(name,rotate,pos = [544/2,416/2,1])
@parallax_pos = pos
@parallax_2nd = name
@parallax_rotate = rotate
end
end
class Spriteset_Map
#加入初始化
alias old_init_lin initialize
def initialize
old_init_lin
create_parallax_2nd
end
#创建新远景
def create_parallax_2nd
@parallax1 = Sprite.new(@viewport1)
@parallax1.z = -99
end
#新远景刷新
def update_parallax_2nd
if $game_map.parallax_2nd != "" and $game_map.parallax_2nd != nil
@parallax1.bitmap = Cache.parallax($game_map.parallax_2nd) if @parallax1.bitmap == nil
if $game_map.parallax_pos[0] != @pos
@parallax1.x = $game_map.parallax_pos[0]
@parallax1.y = $game_map.parallax_pos[1]
if $game_map.parallax_pos[2] == 1
@parallax1.ox = @parallax1.bitmap.width/2
@parallax1.oy = @parallax1.bitmap.height/2
end
end
if $game_map.parallax_rotate != 0 and $game_map.parallax_rotate != nil
@parallax1.angle += $game_map.parallax_rotate / 2.0
while @parallax1.angle < 0
@parallax1.angle += 360
end
@parallax1.angle %= 360
end
end
end
#新远景释放
def dispose_parallax_2nd
@parallax1.dispose
end
#增加新远景刷新
alias old_update_lin update
def update
old_update_lin
update_parallax_2nd
end
#增加新远景释放
alias old_dispose_lin dispose
def dispose
old_dispose_lin
dispose_parallax_2nd
end
end

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