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- Committer: Josh C
- Date: 2013-03-02 20:40:57 UTC
- Revision ID: josh@9ix.org-20130302204057-yrra0a51zgtpq2v2
zoetrope 1.3.1
- files added:
- zoetrope/core/gamepad.lua
- files removed:
- build.sh
- data
- zoetrope/input
- files modified:
- zoetrope/core/app.lua
added
removed
main.lua
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STRICT = true
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DEBUG = true
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require 'zoetrope'
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__ = require 'underscore'
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--inspect = require 'inspect'
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require 'pepperprof'
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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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print 'dir ??'
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end
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end
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}
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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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climbLeft = { frames = { 5, 6 }, fps = 5 },
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climbRight = { frames = { 7, 8 }, fps = 5 }
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},
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collisions = {},
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onWall = false,
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leftWallAt = 0,
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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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if self[dir] < 0 then self[dir] = 0 end
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local edge = the.view.map[util.dim(dir)] -
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the.player[util.dim(dir)]
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-- TODO: take map position into account
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if self[dir] > edge then self[dir] = edge 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) and (not self.onWall) then
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self:play('jump')
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end
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self.acceleration.y = 800
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if self.onWall then
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self.acceleration.y = 0
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if self.onWall == 'right' then
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self:play('climbRight')
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elseif self.onWall == 'left' then
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self:play('climbLeft')
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end
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if the.keys:pressed('up') then
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self.velocity.y = -200
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elseif the.keys:pressed('down') then
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self.velocity.y = 200
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else
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self.velocity.y = 0
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self:freeze(self.sequences[self.currentName].frames[1])
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end
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end
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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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if self.onWall == 'right' then
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self.onWall = false
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self.leftWallAt = love.timer.getTime()
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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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if self.onWall == 'left' then
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self.onWall = false
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self.leftWallAt = love.timer.getTime()
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end
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else
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if not self.onWall then
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if self.onGround then self:play('stand') end
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self.velocity.x = 0
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end
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end
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if the.keys:justPressed('up') and
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(self.onGround or the.console.visible or
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(love.timer.getTime() - self.leftWallAt < .1) ) 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:collide(the.view.map)
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-- handle X collisions
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self.onWall = false
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for _, col in ipairs(self.collisions) do
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col.other:displaceDir(self, 'x')
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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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end
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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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-- handle Y collisions
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for _, col in ipairs(self.collisions) do
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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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col.other:displaceDir(self, 'y')
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self.velocity.y = 0
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self.jumping = false
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end
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Animation.update(self, elapsed)
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end,
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collide = function (self, ...)
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self.collisions = {}
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Animation.collide(self, ...)
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-- I could return a true/false value here if I wanted to...
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end,
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onCollide = function (self, other, xOverlap, yOverlap)
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if other == the.view.map then return end
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table.insert(self.collisions, {other = other,
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xOverlap = xOverlap,
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yOverlap = yOverlap })
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end
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}
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function Sprite:displaceDir(other, dir)
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if not self.solid or self == other or not other.solid then return end
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if STRICT then assert(other:instanceOf(Sprite), 'asked to displace a non-sprite') end
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if other.sprites then
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-- handle groups
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for _, spr in pairs(other.sprites) do
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self:displace(spr, dir)
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end
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else
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-- handle sprites
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local dim = util.dim(dir)
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local negMove = (other[dir] - self[dir]) + other[dim]
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local posMove = (self[dir] + self[dim]) - other[dir]
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-- TODO: re-add hinting?
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if negMove < posMove then
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chg = - negMove
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else
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chg = posMove
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end
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end
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other[dir] = other[dir] + chg
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end
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GameView = View:extend {
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onNew = function (self)
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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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end,
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onUpdate = function (self)
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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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}
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the.app = App:new {
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onRun = function (self)
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self.view = GameView:new()
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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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--the.profiler = newProfiler('time', 2000)
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--the.profiler = newProfiler()
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--the.profiler:start()
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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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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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