如何简单实现角色拖影效果？ - Project1

module BFS_Shadow
attr_accessor :_shadow
def shadow_on
@_shadow = true
end
def shadow_off
@_shadow = false
end
end
class Spriteset_Map
alias cy_ini initialize
def initialize
[url=home.php?mod=space&uid=134219]@Time[/url] = 0
@canying = []
cy_ini
end
alias cy_update update
def update
cy_update
if @time == 2
@time = 0
else
@time += 1
end
for i in @character_sprites
if i.character._shadow and i.character.moving? and @time == 1
sprite = Sprite_Canying.new(@viewport1, i.character)
sprite.z = i.z
@canying.push sprite
end
end
@canying.each{|s|s.opacity <= 0 ? (s.visible = false ; @canying.delete(s)) : (s.opacity -= 15 ; s.update)} if @canying != []
end
end
class Game_Player
include BFS_Shadow
end
class Game_Event
include BFS_Shadow
end
class Sprite_Canying < Sprite_Character
def initialize(viewport, character = nil)
@shadow_x = character.real_x
@shadow_y = character.real_y
@shadow_jump_peak = character.jump_peak
@shadow_jump_count = character.jump_count
@first_create = true
super(viewport, character)
end
def update
if @first_create
super
@first_create = false
else
self.x = get_screen_x
self.y = get_screen_y
end
end
def get_screen_x
return (@shadow_x - $game_map.display_x + 3) / 4 + 16
end
def get_screen_y
y = (@shadow_y - $game_map.display_y + 3) / 4 + 32
if @shadow_jump_count >= @shadow_jump_peak
n = @shadow_jump_count - @shadow_jump_peak
else
n = @shadow_jump_peak - @shadow_jump_count
end
return y - (@shadow_jump_peak * @shadow_jump_peak - n * n) / 2
end
end
class Game_Character
attr_accessor :jump_peak
attr_accessor :jump_count
end

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