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Project.lua

--# Main

--[[TITLE: flies]]
--[[AUTHOR: dave1707]]
--[[DESCRIPTION: Smash the files to get highest score.
]]
displayMode(FULLSCREEN)

function setup()
    fx=WIDTH/2
    fy=HEIGHT/2
    dx,dy=0,0
    x1,y1=0,0
    hit=0
    miss=0
    score=0
end

function draw()
    background(40, 40, 50)
    if math.random(2)==1 then
        sprite("Platformer Art:Battor Flap 1",fx,fy)
    else
        sprite("Platformer Art:Battor Flap 2",fx,fy)
    end

    x1=x1-1
    if x1<0 then
        dx=math.random(-1,1)*score  -- change fly x direction
        x1=20
    end

    y1=y1-1
    if y1<0 then
        dy=math.random(-1,1)*score  -- change fly y direction
        y1=20
    end

    fx=fx+dx    -- update fly position
    fy=fy+dy

    if fx>WIDTH then    -- check if fly is off screen
        fx=0
    end
    if fx<0 then
        fx=WIDTH
    end

    if fy>HEIGHT then   -- check if fly is off screen
        fy=0
    end
    if fy<0 then
        fy=HEIGHT
    end

    fontSize(20)    
    fill(255)
    text("Hits  "..hit,WIDTH/2,HEIGHT-50)
    text("Miss  "..miss,WIDTH/2,HEIGHT-100)

    fontSize(40)
    score=hit-miss
    if score<0 then
        score=0
    end
    text("Score  "..score,WIDTH/2,HEIGHT-150)
end

function touched(t)
    if t.state==BEGAN then
        v1=vec2(fx,fy)  -- center of fly
        d=v1:dist(vec2(t.x,t.y))    -- check touch distance to center of the fly
        if d<40 then
            hit=hit+1   -- fly was hit
            fx=math.random(50,WIDTH-50)
            fy=math.random(50,HEIGHT-50)
        else
            miss=miss+1 -- fly was missed
        end
    end
end