Wall and floor collision

[fridays18]

Ive been using love2d for a bit and the way ive done collision is just like

Code: Select all

if key == "up" then
if player.y > 0 then
player.y = player.y + player.speed * dt
end
end

but now that im trying to branch out into things like actual level design with multiple objects rather than just a general boarder, can someone point me in the right direction on where to learn how to do this, ive been trying to use bump but despite the tons of documentation on it its still kinda hard to actually understand how its collision system works so Ive been a bit lost on this topic. Any help is appreciated


NOTE: I know how to do general collision detection just not how to link that to wall / level collision since ive only ever used it for entity / item / bullet collision

[fridays18]

Little demo I made

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		for i,v in ipairs(walls) do
		check = CheckCollision(player.x ,player.y ,player.w ,player.h ,v.x ,v.y ,v.w ,v.h )
		if check == false then
		    if love.keyboard.isDown("a") then
        player.x = player.x - player.speed * dt
    elseif love.keyboard.isDown("d") then
        player.x = player.x + player.speed * dt
		elseif love.keyboard.isDown("w") then
        player.y = player.y - player.speed * dt
		elseif love.keyboard.isDown("s") then
		player.y = player.y + player.speed * dt
	end
		end
		end

its checking if the player values collide with a box class I made, only issue is I dont know how to make this so that the player wont just stop moving

[fridays18]

Update

Code: Select all

		for i,v in ipairs(walls) do
		checkTop = CheckCollision(player.x ,player.y ,player.w ,player.h ,v.x ,v.y ,v.w ,1 )
		checkBottom = CheckCollision(player.x ,player.y ,player.w ,player.h ,v.x ,v.y + v.h ,v.w ,1 )
		checkLeft = CheckCollision(player.x ,player.y ,player.w ,player.h ,v.x ,v.y ,1 ,v.h )
		checkRight = CheckCollision(player.x ,player.y ,player.w ,player.h ,v.x + v.w ,v.y ,1 ,v.h )


		    if love.keyboard.isDown("a") then
			if checkRight == false then
        player.x = player.x - player.speed * dt
			end
    elseif love.keyboard.isDown("d") then
			if checkLeft == false then
        player.x = player.x + player.speed * dt
			end
		elseif love.keyboard.isDown("w") then
			if checkBottom == false then
        player.y = player.y - player.speed * dt
			end
		elseif love.keyboard.isDown("s") then
			if checkTop == false then
		player.y = player.y + player.speed * dt
			end
	end
		end

this code checks through all the box class and checks each of the boxs dimensions and gets a collision based off that. this sytem works perfectly...unless theres more than one box since it looping based on how many box's there are so if theres 2 box's the player does their movements 2x