矩形位图转换梯形 - Project1

#==============================================================================
# ■ Sprite_Draw_3D
# 中文名:梯形(扭曲)位图
# 作者:END66RPG
# 原理:以X坐标分成WIDTH个精灵位图,每个精灵进行Y轴缩小.
# 因此,图片太大会较卡.可以改成1个SPRITE这样不卡,不过大概不行.
#------------------------------------------------------------------------------
# mirror = 左(false)右(true)
# name = 图片名字
#==============================================================================
class Sprite_Draw_3D < Sprite
#--------------------------------------------------------------------------
# ● 初始化对像
# viewport : 显示端口
#--------------------------------------------------------------------------
def initialize(viewport,mirror=false,name="法帝斯回忆2")
super(viewport)
# 将活动块设置为可见
@draw_name = name
self.visible = false
# 设置活动块的坐标
self.x = 0
self.y = 40
self.z = 99
self.bitmap = RPG::Cache.picture(@draw_name)
self.mirror = mirror
if mirror == false
for i in 0..self.bitmap.width
i = i
eval(
"
@p#{i} = Sprite.new(viewport);
@p#{i}.bitmap = RPG::Cache.picture(@draw_name);
@p#{i}.x = self.x+i;
@p#{i}.z = self.z;
@p#{i}.y = self.y-(i.to_f/5);
@p#{i}.src_rect.set(i, 0, 1, self.bitmap.height);
@p#{i}.zoom_y = i.to_f / self.bitmap.width.to_f + 0.2
"
)
#p""
end
else
i = -1
while i != self.bitmap.width
i += 1
eval(
"
@p#{i} = Sprite.new(viewport);
@p#{i}.bitmap = RPG::Cache.picture(@draw_name);
@p#{i}.x = self.x+i+220;
@p#{i}.z = self.z;
@p#{i}.y = self.y+(i.to_f/5)-22;
@p#{i}.src_rect.set(i, 0, 1, self.bitmap.height);
@p#{i}.zoom_y = (self.bitmap.width-i).to_f / self.bitmap.width.to_f + 0.2
"
)
end
end
# update
end
#--------------------------------------------------------------------------
# ● 释放
#--------------------------------------------------------------------------
def dispose
if self.bitmap != nil
for i in 0..self.bitmap.width
eval(
"
@p#{i}.bitmap.dispose
"
)
end
self.bitmap.dispose
end
super
end
#--------------------------------------------------------------------------
# ● 更新图片
#--------------------------------------------------------------------------
def update(name)
@draw_name = name
for i in 0..self.bitmap.width
eval(
"
@p#{i}.bitmap = RPG::Cache.picture(@draw_name)
"
)
end
end
end

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