Touches

--# Main

function setup()
    rects = {}
    nbRects = 5
    for i=1, nbRects do
        local x = math.random()*WIDTH
        local y = math.random()*HEIGHT
        table.insert(rects, Rectangle(x, y, 100, 100))
    end

end

function draw()
    background(40, 40, 50)
    for i=1, nbRects do
        rects[i]:draw()
    end

end

function touched(touch)
    for i=1, nbRects do
        rects[i]:touched(touch)
    end
end
--# Rectangle
Rectangle = class()

function Rectangle:init(x, y, w, h)
    self.x = x
    self.y = y
    self.w = w
    self.h = h
    local r = math.random()*255
    local g = math.random()*255
    local b = math.random()*255
    self.col = color(r, g, b, 255)

end

function Rectangle:draw()
    fill(self.col)
    rect(self.x, self.y, self.w, self.h)
end

function Rectangle:touched(touch)
    local x = self.x
    local y = self.y
    local w = self.w
    local h = self.h
    if touch.x > x and touch.y > y and touch.x < x+w and touch.y < y+h then
        self.x = touch.x-w/2
        self.y = touch.y-h/2
    end
end