如何在 love2d 中随机绘制物体

在love.load()中生成方块位置

--VIRTUAL_WIDTH, VIRTUAL_HEIGHT  = love .graphics .getDimensions( )

block_pos  = {}  --  存储方块位置的表格
rows, columns  = 5, 8  --  你可以决定行与列的数量，从0开始

chance_of_block  = 75  --  放置方块的概率

block_width  = math .floor( VIRTUAL_WIDTH /columns )
block_height  = math .floor( VIRTUAL_HEIGHT /rows )

for  row = 0,  rows -1  do
    for  col = 0,  columns -1  do

        if love .math .random() *100 <= chance_of_block then
            local xpos  = col *block_width
            local ypos  = row *block_height

            local red   = love .math .random()
            local green = love .math .random()
            local blue  = love .math .random()

            block_pos[ #block_pos +1 ] = { x = xpos,  y = ypos,  r = red,  g = green,  b = blue }
        end  --  rand

    end  --  #columns
end  --  #rows

（编辑：注意行和列应该从0索引开始，这样它们才能在屏幕上对齐）

然后使用love.draw()绘制它们

for b = 1, #block_pos do
    local block  = block_pos[b]

    love .graphics .setColor( block.r,  block.g,  block.b )
    love .graphics .rectangle( 'fill',  block.x,  block.y,  block_width,  block_height )
end  --  #block_pos

好的，编辑了一下问题，这听起来更符合你的意思。只需去掉那个 #column循环，并将其设置为在最后一列创建单元格。

love.load()

--VIRTUAL_WIDTH, VIRTUAL_HEIGHT  = love .graphics .getDimensions()

block_pos  = {}  --  存储块位置的表
rows, columns  = 30, 20  --  你决定有多少

chance_of_block  = 33  --  放置块的几率%

block_width  = math .floor( VIRTUAL_WIDTH /columns )
block_height  = math .floor( VIRTUAL_HEIGHT /rows )

col  = columns -1  --  不要循环遍历列，只需使用最后一列

for  row = 0,  rows -1  do

    if love .math .random() *100 <= chance_of_block then
        local xpos  = col *block_width
        local ypos  = row *block_height

        block_pos[ #block_pos +1 ] = { x = xpos,  y = ypos }
    end  --  rand

end  --  #columns

r, g, b  = 0.5, 0.5, 0.0
love .graphics .setColor( r, g, b )

love.draw()

for b = 1, #block_pos do
    local block  = block_pos[b]

    love .graphics .rectangle( 'line',  block.x,  block.y,  block_width,  block_height )
end  --  #block_pos