145 lines
3.6 KiB
Lua
145 lines
3.6 KiB
Lua
require "Tserial"
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function move(accel, axis, direction)
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-- with acceleration
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if accel and (direction == "right" or direction == "down")then
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if axis < player.speed then
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axis = axis + (player.speed*player.accel)
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end
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--note the NEGATIVE player.speed
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elseif accel and (direction == "left" or direction == "up") then
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if axis > -player.speed then
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axis = axis - (player.speed*player.accel)
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end
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elseif not accel and (direction == "right" or direction == "down") then
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if axis > 0 then
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axis = axis - (player.speed*player.accel)
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end
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elseif not accel and (direction == "left" or direction == "up") then
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if axis < 0 then
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axis = axis + (player.speed*player.accel)
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end
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end
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return axis
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end
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function love.load()
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love.filesystem.setIdentity("tommy")
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saveFile = "test.lua"
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-- Check if Save file exists
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save_exists = love.filesystem.exists(saveFile)
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player = {}
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player.x = 100
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player.y = 100
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player.w = 25
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player.h = 25
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player.speed = 500
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player.current_speed = {}
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player.current_speed.left = 0
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player.current_speed.right = 0
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player.current_speed.up = 0
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player.current_speed.down = 0
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player.current_speed.x = 0
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player.current_speed.y = 0
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player.kill_engines = false
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--Must be less than 1
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--if I understand correctly, the second number should be how many frames
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--it takes to get to top speed
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player.accel = 1/120
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end
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function love.keyreleased(key)
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if key == "q" then
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love.event.quit()
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end
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-- save
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if key == "s" then
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love.filesystem.write(saveFile, Tserial.pack(player, false, true))
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end
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-- Load
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if key == "l" then
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if save_exists then
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player = Tserial.unpack( love.filesystem.read( saveFile ) )
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end
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end
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if key == "z" then
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if player.kill_engines == false then
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player.kill_engines = true
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else
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player.kill_engines = false
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end
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end
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end
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function love.update(dt)
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--Move character left or right
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if love.keyboard.isDown("right") then
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player.kill_engines = false
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player.current_speed.right = move(true, player.current_speed.right, "right")
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print ("RIGHT ".. player.current_speed.right)
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elseif love.keyboard.isDown("left") then
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player.kill_engines = false
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player.current_speed.left = move(true, player.current_speed.left, "left")
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print ("LEFT ".. player.current_speed.left)
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-- player.x = player.x - player.current_speed.left*dt
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end
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player.x = player.x + (player.current_speed.right + player.current_speed.left)*dt
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--Also able to move or up down at the same time as one of the above
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if love.keyboard.isDown("up") then
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player.kill_engines = false
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player.current_speed.up = move(true, player.current_speed.up, "up")
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elseif love.keyboard.isDown ("down") then
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player.killengines = false
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player.current_speed.down = move(true, player.current_speed.down, "down")
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end
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player.y = player.y + (player.current_speed.up + player.current_speed.down)*dt
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-- Decel
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if not player.kill_engines then
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if not love.keyboard.isDown("up") then
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player.current_speed.up = move(false, player.current_speed.up, "up")
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end
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if not love.keyboard.isDown("down") then
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player.current_speed.down = move(false, player.current_speed.down, "down")
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end
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if not love.keyboard.isDown("right") then
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player.current_speed.right = move(false, player.current_speed.right, "right")
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end
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if not love.keyboard.isDown("left") then
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player.current_speed.left = move(false, player.current_speed.left, "left")
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end
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end
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end
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function love.draw()
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--draw the rectangle. Fill/line for the type,
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--(x,y, width, height)
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love.graphics.rectangle("line", player.x, player.y, player.w, player.h)
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end
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