Scallability messes up collision detection
Posted: Mon Mar 20, 2017 3:51 pm
I'm making an android game and because I want it to be compatible with many devices of different sizes I made it resizable and also scale-able using the love.graphcs.scale function in the love.draw function
The width and height of my game is 720 x 1280
In the main menu, I have a button that is set to be in the middle of the screen when you press it, it is supposed to get you to the next screen, my problem is that when I resize the game from conf.lua for example change 720 to 360 and 1280 to 640 the "collision" detection with the mouse coordinates and the button coordinates don't mach. Here's the code:
The button is drawn on the draw function and I also drew a rectangle around it just to test things out
If anyone could help me out with this that would be awesome, thanks!
Code: Select all
function love.draw()
love.graphics.scale(Width/720, Height/1280)
end
In the main menu, I have a button that is set to be in the middle of the screen when you press it, it is supposed to get you to the next screen, my problem is that when I resize the game from conf.lua for example change 720 to 360 and 1280 to 640 the "collision" detection with the mouse coordinates and the button coordinates don't mach. Here's the code:
Code: Select all
function menu:mousepressed(x,y,bytton,istouch)
if AABB(x,y,1,1, playBtn.x-playBtn.w/2,playBtn.y-playBtn.h/2,playBtn.w,playBtn.h) then
print("button pressed")
print(x .. " " .. y)
end
end
--On an different file
function AABB(x1,y1,w1,h1, x2,y2,w2,h2)
return x1 < x2+w2 and
x2 < x1+w1 and
y1 < y2+h2 and
y2 < y1+h1
end
Code: Select all
function menu:draw()
love.graphics.draw(bg,0,0)
love.graphics.draw(title.img,title.x,title.y,r,1,1,360,250)
love.graphics.draw(playBtn.img,playBtn.x,playBtn.y,0,1,1,playBtn.w/2,playBtn.h/2)
love.graphics.rectangle("line",playBtn.x-playBtn.w/2,playBtn.y-playBtn.h/2,playBtn.w,playBtn.h)
end