OpenP

os.loadAPI("mouseAPI")

local bridge = peripheral.wrap("back")
bridge.clear()

local _text = bridge.addText(0,0,"Drag your mouse to the bottom right-hand corner until the red box covers the entire screen.", 0x000000)

mouseAPI.setScreenSize(mouseAPI.getScreenSize("SumDicax"))
_text.delete()


local myBox = bridge.addBox(10,10,10,10,0x33CC33, 0.5)
local currentWidth = 10

mouseAPI.startMouse(2,0xCC0000,0.7)
while true do
    local x, y = mouseAPI.waitForClick("SumDicax")
    x,y = math.abs(x), math.abs(y)
    term.clear() term.setCursorPos(1,1)
    term.write("X: "..x)
    term.write("Y: "..y)
    if x<=10+currentWidth and x>=10 and y>=10 and y<=10+currentWidth then
        currentWidth = currentWidth + 5
        myBox.setWidth(currentWidth)
        myBox.setHeight(currentWidth)
    end
end