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- Committer: Josh C
- Date: 2013-03-10 21:55:44 UTC
- Revision ID: josh@9ix.org-20130310215544-iqzp3x2l10h9247f
reorganize code - separate X and Y physics so we can collide in each
direction separately
direction separately
added
removed
main.lua
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STRICT = true
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DEBUG = false
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DEBUG = true
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require 'zoetrope'
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__ = require 'underscore'
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_ = require 'underscore'
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--inspect = require 'inspect'
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require 'pepperprof'
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require 'getopt_alt'
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require 'sprite'
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require 'player'
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util = {
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dim = function(dir)
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if dir == 'x' then
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return 'width'
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elseif dir == 'y' then
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return 'height'
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else
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if STRICT then error('dir '..dir) end
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end
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end
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Player = Animation:extend {
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image = 'data/player.png',
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height = 32,
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width = 32,
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sequences = {
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stand = { frames = { 1 }, fps = 1 },
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walk = { frames = { 2, 3 }, fps = 5 },
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jump = { frames = { 4 }, fps = 1 }
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},
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onNew = function (self)
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self.velocity.y = 0
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self.maxVelocity.y = 400
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end,
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doPhysics = function (self, dir, elapsed)
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local vel = self.velocity
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local acc = self.acceleration
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local drag = self.drag
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local minVel = self.minVelocity
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local maxVel = self.maxVelocity
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-- check existence of properties
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if STRICT then
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assert(vel, 'active sprite has no velocity property')
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assert(acc, 'active sprite has no acceleration property')
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assert(drag, 'active sprite has no drag property')
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assert(minVel, 'active sprite has no minVelocity property')
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assert(maxVel, 'active sprite has no maxVelocity property')
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assert(_.include({'x','y','rotation'}, dir), 'direction should be x, y, or rotation')
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end
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vel.x = vel.x or 0
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vel.y = vel.y or 0
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vel.rotation = vel.rotation or 0
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-- physics
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if acc[dir] and acc[dir] ~= 0 then
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vel[dir] = vel[dir] + acc[dir] * elapsed
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else
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if drag[dir] then
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if vel[dir] > 0 then
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vel[dir] = vel[dir] - drag[dir] * elapsed
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if vel[dir] < 0 then vel[dir] = 0 end
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elseif vel[dir] < 0 then
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vel[dir] = vel[dir] + drag[dir] * elapsed
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if vel[dir] > 0 then vel[dir] = 0 end
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end
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end
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end
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if minVel[dir] and vel[dir] < minVel[dir] then vel[dir] = minVel[dir] end
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if maxVel[dir] and vel[dir] > maxVel[dir] then vel[dir] = maxVel[dir] end
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if vel[dir] ~= 0 then self[dir] = self[dir] + vel[dir] * elapsed end
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end,
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onStartFrame = function (self)
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-- this is all in startframe so it happens before
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-- physics calc at beginning of update
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-- jumping/falling updates could go in EndFrame...
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self.falling = self.velocity.y > 0
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if self.falling then self.jumping = false end
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--print(self.jumping, self.falling)
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if not self.onGround then
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self:play('jump')
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end
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self.velocity.x = 0
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self.acceleration.y = 800
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if the.keys:pressed('left') then
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self.velocity.x = -200
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if self.onGround then self:play('walk') end
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elseif the.keys:pressed('right') then
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self.velocity.x = 200
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if self.onGround then self:play('walk') end
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else
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if self.onGround then self:play('stand') end
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end
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if the.keys:justPressed('up') and self.onGround then
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self.velocity.y = -400
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self.jumping = true
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end
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end,
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update = function (self, elapsed)
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-- NOTE: this is an override, not a callback
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self:doPhysics('x', elapsed)
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self.onGround = false -- right before Y collision callbacks
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self:doPhysics('y', elapsed)
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self:collide(the.view.map)
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end,
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onCollide = function (self, other, xOverlap, yOverlap)
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-- seriously, why does this even fire?
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if other == the.view.map then return end
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--print(string.format('col s{x=%i y=%i w=%i h=%i} %s', self.x, self.y, self.width, self.height, tostring(other)))
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--print('vel.x:'..self.velocity.x.." vel.y:"..self.velocity.y)
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-- assumption: any other collision is with a solid map tile
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if yOverlap > xOverlap then
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other:displace(self)
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if self.velocity.x > 0 then
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self.onWall = 'right'
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elseif self.velocity.x < 0 then
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self.onWall = 'left'
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else
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print 'x ??'
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end
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elseif xOverlap > yOverlap then
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-- check if we've moved since collisions were generated
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local xov, yov = self:overlap(other.x, other.y,
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other.width, other.height)
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if xov ~= 0 and yov ~= 0 then
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--print('y collision')
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if self.velocity.y > 0 then
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self.onGround = true
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end
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self.velocity.y = 0
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other:displace(self)
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self.jumping = false
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end
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else
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print('xy ??')
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end
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end,
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}
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GameView = View:extend {
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self:loadLayers('data/map.lua')
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self.focus = the.player
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self:clampTo(self.map)
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the.recorder = Recorder:new{mousePosInterval = 9999}
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the.app.meta:add(the.recorder)
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if the.app.record then
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the.recorder:startRecording()
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elseif the.app.playback then
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local storage = Storage:new{filename = 'record.lua'}
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storage:load()
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--print(inspect(storage.data))
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the.recorder.record = storage.data
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the.recorder:startPlaying()
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end
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end,
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onUpdate = function (self)
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--print('drawTook: ', the.drawTook)
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--print('tick')
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--the.player:collide(self.map)
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--self.map:collide(the.player)
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end,
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-- draw = function (self, x, y)
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-- View.draw(self, x, y)
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-- love.graphics.print('FPS:' .. love.timer.getFPS(), 20, 20)
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-- end
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end
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}
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the.app = App:new {
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record = true,
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onRun = function (self)
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self.view = GameView:new()
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if DEBUG then
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self.console:watch('onGround', 'the.player.onGround')
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self.console:watch('onWall', 'the.player.onWall')
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self.console:watch('updateTook', 'the.updateTook')
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self.console:watch('drawTook', 'the.drawTook')
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self.console:watch('recorder state', 'the.recorder.state')
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end
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--the.profiler = newProfiler('time', 2000)
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--the.profiler = newProfiler()
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--the.profiler:start()
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--print(inspect(_(the.app):keys()))
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self.console:watch('onGround', 'the.player.onGround')
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self.console:watch('onWall', 'the.player.onWall')
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end,
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onUpdate = function (self, dt)
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if the.keys:justPressed('escape') then
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if the.profiler then
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the.profiler:stop()
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local outfile = io.open( "profile.txt", "w+" )
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the.profiler:report( outfile )
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outfile:close()
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end
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if self.record then
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if not love.filesystem.remove('record.lua') then
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print('could not remove record.lua')
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end
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local storage = Storage:new{
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data = the.recorder.record,
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filename = 'record.lua'
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}
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storage:save(false)
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--print(inspect(the.recorder.record))
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end
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if the.keys:justPressed('escape') and
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not self.console.visible then
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self.quit()
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end
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end,
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update = function (self, dt)
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the.updateStart = love.timer.getMicroTime()
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App.update(self, dt)
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if the.updateStart then
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the.updateTook = love.timer.getMicroTime() - the.updateStart
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end
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end
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}
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function love.load (arg)
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opts = getopt(arg, '')
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if opts['p'] then
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the.app.playback = true
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the.app.record = false
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elseif opts['r'] then
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the.app.record = true
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end
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the.app:run()
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end
b'\\ No newline at end of file'
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end
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}
b'\\ No newline at end of file'
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