【Ruby】用ruby在3D软件Sketchup中开发贪吃蛇小游戏
sketchup是非常简单易用的三维建模软件，可以利用ruby 做二次开发，
今天在su中做了一款小游戏 贪吃蛇，说一下步骤
展示
主要思路：
我制作的的玩法是这样的
关于入口文件
# ----------------------------- # # email：bc8web@126.com # # ------------------------------# # 入口文件 require 'json' require_relative 'help.rb' # 帮助文件 module NaiveSnake $game = nil # 用于保存蛇类实例变量 class Index @@dig = nil @@setDig = nil @@lydig = nil def initialize cmd = UI::Command.new("NaiveSnake") { # 主窗口 @@dig = UI::WebDialog.new "NaiveSnake", false, "", 229, 172, 5, 90, false @@dig.set_file __dir__+'/index.html' # 设置窗口 @@setDig = UI::WebDialog.new "NaiveSnake_set", false, "", 262, 315, 235, 90, false @@setDig.set_file __dir__+'/set.html' # 排行窗口 @@lydig = UI::WebDialog.new "NaiveSnake_琅琊榜", false, "", 290, 320, 5, 260, false @@lydig.set_url 'http://00a00.com/snake/' @@dig.show if not @@dig.visible? @@dig.add_action_callback 'start' do # 检测是否有模型 if Sketchup.active_model.active_entities.length > 0 is = UI.messagebox("检测到有模型存在，是否清空？\r\n（注：清空才可进入游戏）",MB_YESNO) if is == 6 Sketchup.active_model.active_entities.clear! load __dir__+'/Base.rb' require_relative 'Camera.rb' require_relative 'Map.rb' load __dir__+'/Food.rb' load __dir__+'/Snake.rb' load __dir__+'/SnakeTool.rb' Camera.new # 初始化相机 Map.new.show # 显示场景 Food.new.show # 显示食物 $game = Snake.new # 蛇实例 $game.start # 开始游戏 Sketchup.active_model.select_tool SnakeTool.new # 选择工具 @@dig.close if @@dig.visible? # 关闭窗口 @@setDig.close if @@dig.visible? # 关闭窗口 @@lydig.close if @@dig.visible? # 关闭窗口 else next end end end # ready @@dig.add_action_callback 'ready' do # 生成随机名字 len = 8 chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a newpass = "" 1.upto(len) { |i| newpass << chars[rand(chars.size-1)] } config 'nickname', newpass end # 设置按钮 @@dig.add_action_callback 'set' do @@setDig.show end # 琅琊榜 @@dig.add_action_callback 'langYa' do @@lydig.show end # 确认按钮 @@setDig.add_action_callback('ok'){|dig, json| hash = JSON.parse json hash.each{|k, v| config k, v } dig.close } # 默认按钮 @@setDig.add_action_callback('rec'){|dig, json| json = configRec() @@setDig.execute_script "fill(#{json})" } # 页面刷新 @@setDig.add_action_callback('init'){|dig, json| json = configAll() @@setDig.execute_script "data = #{json}" } } # 工具栏 cmd.small_icon = cmd.large_icon = __dir__+"/assets/icon.png" cmd.menu_text = "NaiveSnake" toolbar = UI::Toolbar.new "NaiveSnake" toolbar = toolbar.add_item cmd toolbar.show # 菜单 menu = UI.menu('Plugins').add_submenu('NaiveSnake（贪吃蛇）') menu.add_item end end end NaiveSnake::Index.new
初始化基类
# ----------------------------- # # email：bc8web@126.com # # ------------------------------# # 基类 module NaiveSnake class Base @@model = Sketchup.active_model # 模型 @@view = @@model.active_view # 视 @@ent = @@model.active_entities # 实体 @@mat = @@model.materials # 材质 @@mapWidth = config('mapWidth').to_i # 地图宽 @@mapHeight = config('mapHeight').to_i # 地图高 @@snakeHeight = config('snakeHeight').to_i # 蛇高度 @@snakeWidth = config('snakeWidth').to_i # 蛇宽度 @@snakeNums = config('snakeNums').to_i # 蛇身数 @@level = config('级别') # 级别 @@direction = UP # 初始方向 @@currentSnake = [] # 当前蛇body @@snakeArr = [] # 出生蛇body @@foot = [] # 储存食物 @@blackList = [] # 食物黑名单 @@time_id = nil # 定时器 @@score = 0 # 分数 end end
初始化相机
# ----------------------------- # # email：bc8web@126.com # # ------------------------------# # 相机类 module NaiveSnake class Camera < Base def initialize start end def start eye = [0, 0,1300]; target = [0,0,0]; up = [0,1,0] start_camera = Sketchup::Camera.new eye, target, up @@view.camera = start_camera end end end
初始化场景
# ----------------------------- # # email：bc8web@126.com # # ------------------------------# # 场景类 module NaiveSnake class Map < Base def show grassland # 草地 end def grassland filename = __dir__+'/assets/grassland.skm' material = @@mat.load(filename) pt1 = Geom::Point3d.new -@@mapWidth/2, -@@mapHeight/2, 0 pt2 = Geom::Point3d.new @@mapWidth/2, -@@mapHeight/2, 0 pt3 = Geom::Point3d.new @@mapWidth/2, @@mapHeight/2, 0 pt4 = Geom::Point3d.new -@@mapWidth/2, @@mapHeight/2, 0 grp = @@ent.add_group grp.entities.add_face pt1, pt2, pt3, pt4 grp.material = material end end end
初始化蛇类
# ----------------------------- #
# email：bc8web@126.com #
# ------------------------------#
# 蛇类
module NaiveSnake
class Snake < Base
def initialize
@@snakeArr = initSnake @@snakeNums
@up = 38; @down = 40; @left = 37; @right = 39
@direction = @@direction
@x = rand(-@@mapWidth..@@mapWidth)/2/10*10
@y = rand(-@@mapHeight..@@mapHeight)/2/10*10
end
def start
createSnake # 绘制蛇
speed = 0.5
case @@level
when '普通'; speed = 0.4
when '勇士'; speed = 0.1
when '地狱'; speed = 0.03
when '噩梦'; speed = 0.006
end
time = 1
@@time_id = UI.start_timer(speed, true) do
move(@direction)
time += 1
end
end
def set(direction)
@direction = direction
end
# 绘制蛇
def createSnake
@@currentSnake.clear # 清空蛇当前状态
@@snakeArr.each do |box|
xBaseValue = @@snakeWidth/2
yBaseValue = @@snakeWidth/2
point1 = Geom::Point3d.new(box[0]-xBaseValue, box[1]-yBaseValue, 0)
point2 = Geom::Point3d.new(box[0]+xBaseValue, box[1]-yBaseValue, 0)
point3 = Geom::Point3d.new(box[0]+xBaseValue, box[1]+yBaseValue, 0)
point4 = Geom::Point3d.new(box[0]-xBaseValue, box[1]+yBaseValue, 0)
boxGroup = @@ent.add_group
face = boxGroup.entities.add_face point1, point2, point3, point4
face.reverse!.pushpull @@snakeHeight
@@currentSnake.push boxGroup # 重新设置蛇身体
end
end
# 移动
def move(direction)
tmpArray = [] # 临时容器
head = @@snakeArr.last # 蛇头
# 判断蛇头是否碰到黑名单
@@blackList.each{|list|
if head == list # Game Over
gameOver
return
end
}
#判断蛇头是否碰到边缘
if head[0].abs >= @@mapWidth/2 || head[1].abs >= @@mapHeight/2
gameOver
return
end
# 判断蛇头是否碰到食物
if head == @@foot
# 加分
@@score += 10
# 将食物列入黑名单
@@blackList.push @@foot
# 蛇头随机移动
@x = rand(-(@@mapWidth-50)..@@mapWidth-50)/2/10*10
@y = rand(-@@mapHeight..@@mapHeight)/2/10*10
@@snakeArr.push [@x+@@snakeWidth/2, @y+@@snakeHeight/2]
# 再次显示食物
Food.new.show
end
# 移动数组前一位
lastValue = @@snakeArr.last.clone;
for i in 0...@@snakeArr.size-1
tmpArray[i] = @@snakeArr[i+1]
end
tmpArray.push(lastValue)
case direction
when @up; tmpArray.last[1] += @@snakeWidth
when @down; tmpArray.last[1] -= @@snakeWidth
when @right; tmpArray.last[0] += @@snakeWidth
when @left; tmpArray.last[0] -= @@snakeWidth
end
@@snakeArr = tmpArray # 重新设置蛇body
deleteSnake # 删除
createSnake # 再次绘制
end
def deleteSnake
@@currentSnake.each do |ent|
ent.entities.each{|ent| @@ent.erase_entities ent}
end # 删除原来
end
def gameOver
UI.stop_timer @@time_id
UI.messagebox "游戏结束！\r\n得分："+@@score.to_s
updateScore # 更新分数
end
def updateScore
hash = {
:nickname => config('nickname'),
:score => @@score,
:level => config('级别'),
:tk => 'qwertyuioplkjhgfdsazxcvbnm',
}
request = Sketchup::Http::Request.new("http://00a00.com/snake/save.php", Sketchup::Http::POST)
request.body= httpBuild(hash)
request.start do |request, response|
p '琅琊榜更新成功' if response
end
end
def httpBuild(hash)
str = ''
hash.each{|k, v|
str+= k.to_s+'='+v.to_s+'&'
}
str.chop!
end
def initSnake(n)
array = []
n.times{|i|
array.push [@@snakeWidth/2+@@snakeWidth*i, @@snakeWidth/2]
next if i == 0
}
array
end
end
end
初始化食物类
# ----------------------------- # # email：bc8web@126.com # # ------------------------------# # 食物类 module NaiveSnake class Food < Base def initialize @x = rand(-@@mapWidth..@@mapWidth)/2/10*10 @y = rand(-@@mapHeight..@@mapHeight)/2/10*10 end def show filename = __dir__+'/assets/food.skm' material = @@mat.load(filename) point = [] unless isFull? point[0] = [@x, @y, 0] point[1] = [@x+@@snakeWidth, @y, 0] point[2] = [@x+@@snakeWidth, @y+@@snakeWidth, 0] point[3] = [@x, @y+@@snakeWidth, 0] group = @@ent.add_group @@foot = [@x+@@snakeWidth/2, @y+@@snakeHeight/2] face = group.entities.add_face point face.material = material face.reverse!.pushpull @@snakeHeight @foot = face else @x = rand(-@@mapWidth..@@mapWidth) @y = rand(-@@mapHeight..@@mapHeight) end end def isFull? return @@snakeArr.include? [@x, @y] end end end
