LÖVE

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player.b:applyLinearImpulse(0,((-113 + math.abs((jumpLocY-90-bump.y)/3))) *physdt )

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function love.load()


 -- credit to tentus
 
   player = {
      x = 400,
      y = 465,
      w = 20,
      h = 70,
      v = false   -- not just 0 thrust, but NO thrust at all
   }

      ground= {
      x = 0,
      y = 535,
      w = 800,
      h = 100
   }
 
   initial = -200   -- start with an upward for of 200 px per second
   falloff = -50   -- we lose 50 px of upward thrust per second
   


 Tileset = love.graphics.newImage('images/foresttiles01.png')
 TileW, TileH = 60,60
 local tilesetW, tilesetH = Tileset:getWidth(),Tileset:getHeight() 

 love.graphics.setBackgroundColor( 54, 54, 54)
 
 
local quadInfo = {
  { 'a', 0, 300 }, -- air
  { '#', 60,  0 }, -- grass
  { '*', 60, 120  }, -- flowers
  { '^', 120, 120 },  -- other flowers
  { 'g', 0, 0 } --other grass
}


Quads={}
for _,info in ipairs(quadInfo) do
  -- info[1] = character, info[2]= x, info[3] = y
Quads[info[1]] = love.graphics.newQuad(info[2], info[3], TileW, TileH, tilesetW, tilesetH)
end


 --Map Tile Layout
local tileString = [[
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
aaaaaaaaaaaaaa
*^^***^^**^^**
#g#g#g#g#g#g#g
]]


 -- Translate the characters into the right tile parts of the Tileset
TileTable = {}

local width = #(tileString:match("[^\n]+"))

for x = 1,width,1 do TileTable[x] = {} end

local rowIndex,columnIndex = 1,1
for row in tileString:gmatch("[^\n]+") do
  assert(#row == width, 'Map is not aligned: width of row ' .. tostring(rowIndex) .. ' should be ' .. tostring(width) .. ', but it is ' .. tostring(#row))
  columnIndex = 1
  for character in row:gmatch(".") do
    TileTable[columnIndex][rowIndex] = character
    columnIndex = columnIndex + 1
  end
  rowIndex=rowIndex+1
end
end





function love.update(dt)

xc = love.mouse.getX( )
yc = love.mouse.getY( )



if player.v then --movement per update
	player.v = player.v + (falloff * dt)
	player.y = player.y + (player.v * dt)
end

if player.y + player.h >= ground.y then -- stop the box when touching ground
	player.y = ground.y - player.h
	player.v = false
end

end

function love.keypressed (key)
	if key == "w" then
		if not player.v then   -- can't jump if we're already jumping
		player.v = initial
		end
	end
end

function love.draw()
lg = love.graphics
--draw the actors
   lg.rectangle("fill", player.x, player.y, player.w, player.h)
   lg.rectangle("fill", ground.x, ground.y, ground.w, ground.h)

  
--print me some debug info
lg.print("FPS: "..love.timer.getFPS(), 8,10)
lg.print("Mouse X: " ..xc, 8, 20)
lg.print("Mouse Y: " ..yc, 8, 30)
lg.print("Player Y: " ..player.x, 8, 40)
lg.print("Player X: " ..player.y, 8, 50)

-- draw the Tilemap
  for columnIndex,column in ipairs(TileTable) do
    for rowIndex,char in ipairs(column) do
      local x,y = (columnIndex-1)*TileW, (rowIndex-1)*TileH
      love.graphics.drawq(Tileset, Quads[char], x, y)
    end
  end


end