To get this branch, use:
bzr branch
http://9ix.org/bzr/zoeplat
« back to all changes in this revision
Viewing changes to main.lua
- browse files at revision 7
- compare with another revision
- download diff
- download tarball
- view history from revision 7
- Committer: Josh C
- Date: 2013-03-05 22:06:58 UTC
- Revision ID: josh@9ix.org-20130305220658-92yptjso9z57vzly
use zoetrope 288:a82a08660477 2013-02-23
- files removed:
- build.sh
- files modified:
- data/player.png
added
removed
main.lua
2
2
DEBUG = true
3
3
4
4
require 'zoetrope'
5
__ = require 'underscore'
6
--inspect = require 'inspect'
7
5
8
Player = Animation:extend {
6
Player = Tile:extend {
9
7
image = 'data/player.png',
10
height = 32,
11
width = 32,
12
sequences = {
13
stand = { frames = { 1 }, fps = 1 },
14
walk = { frames = { 2, 3 }, fps = 5 },
15
jump = { frames = { 4 }, fps = 1 }
16
},
17
collisions = {},
18
onWall = false,
19
8
onNew = function (self)
20
9
self.velocity.y = 0
21
10
self.maxVelocity.y = 400
22
11
end,
23
doPhysics = function (self, dir, elapsed)
24
local vel = self.velocity
25
local acc = self.acceleration
26
local drag = self.drag
27
local minVel = self.minVelocity
28
local maxVel = self.maxVelocity
29
30
-- check existence of properties
31
32
if STRICT then
33
assert(vel, 'active sprite has no velocity property')
34
assert(acc, 'active sprite has no acceleration property')
35
assert(drag, 'active sprite has no drag property')
36
assert(minVel, 'active sprite has no minVelocity property')
37
assert(maxVel, 'active sprite has no maxVelocity property')
38
assert(__.include({'x','y','rotation'}, dir), 'direction should be x, y, or rotation')
39
end
40
41
vel.x = vel.x or 0
42
vel.y = vel.y or 0
43
vel.rotation = vel.rotation or 0
44
45
-- physics
46
47
if acc[dir] and acc[dir] ~= 0 then
48
vel[dir] = vel[dir] + acc[dir] * elapsed
49
else
50
if drag[dir] then
51
if vel[dir] > 0 then
52
vel[dir] = vel[dir] - drag[dir] * elapsed
53
if vel[dir] < 0 then vel[dir] = 0 end
54
elseif vel[dir] < 0 then
55
vel[dir] = vel[dir] + drag[dir] * elapsed
56
if vel[dir] > 0 then vel[dir] = 0 end
57
end
58
end
59
end
60
61
if minVel[dir] and vel[dir] < minVel[dir] then vel[dir] = minVel[dir] end
62
if maxVel[dir] and vel[dir] > maxVel[dir] then vel[dir] = maxVel[dir] end
63
64
if vel[dir] ~= 0 then self[dir] = self[dir] + vel[dir] * elapsed end
65
end,
66
12
onStartFrame = function (self)
67
13
-- this is all in startframe so it happens before
68
14
-- physics calc at beginning of update
69
15
70
-- jumping/falling updates could go in EndFrame...
71
self.falling = self.velocity.y > 0
72
if self.falling then self.jumping = false end
73
--print(self.jumping, self.falling)
74
75
if (not self.onGround) and (not self.onWall) then
76
self:play('jump')
77
end
78
79
16
self.velocity.x = 0
80
17
self.acceleration.y = 800
81
18
82
if self.onWall then
83
self.acceleration.y = 0
84
85
if the.keys:pressed('up') then
86
self.velocity.y = -200
87
self:play('stand')
88
elseif the.keys:pressed('down') then
89
self.velocity.y = 200
90
self:play('stand')
91
else
92
self.velocity.y = 0
93
self:play('stand')
94
end
95
end
96
97
19
if the.keys:pressed('left') then
98
20
self.velocity.x = -200
99
if self.onGround then self:play('walk') end
100
if self.onWall == 'right' then self.onWall = false end
101
if self.onWall == 'right' then self.onWall = false end
102
21
elseif the.keys:pressed('right') then
103
22
self.velocity.x = 200
104
if self.onGround then self:play('walk') end
105
if self.onWall == 'left' then self.onWall = false end
106
else
107
if self.onGround then self:play('stand') end
108
23
end
109
24
110
if the.keys:justPressed('up') and self.onGround then
25
if the.keys:justPressed('up') then
111
26
self.velocity.y = -400
112
self.jumping = true
113
27
end
114
28
end,
115
update = function (self, elapsed)
116
-- NOTE: this is an override, not a callback
117
118
self:doPhysics('x', elapsed)
119
self:collide(the.view.map)
120
121
-- handle X collisions
122
for _, col in ipairs(self.collisions) do
123
col.other:displaceDir(self, 'x')
124
if self.velocity.x > 0 then
125
self.onWall = 'right'
126
elseif self.velocity.x < 0 then
127
self.onWall = 'left'
128
else
129
print 'x ??'
130
end
131
end
132
133
self.onGround = false -- right before Y collision callbacks
134
self:doPhysics('y', elapsed)
135
self:collide(the.view.map)
136
137
-- handle Y collisions
138
for _, col in ipairs(self.collisions) do
139
if self.velocity.y > 0 then
140
self.onGround = true
141
end
142
143
col.other:displaceDir(self, 'y')
144
self.velocity.y = 0
145
self.jumping = false
146
end
147
148
Animation.update(self, elapsed)
149
end,
150
collide = function (self, ...)
151
self.collisions = {}
152
Animation.collide(self, ...)
153
-- I could return a true/false value here if I wanted to...
154
end,
155
onCollide = function (self, other, xOverlap, yOverlap)
156
if other == the.view.map then return end
157
158
table.insert(self.collisions, {other = other,
159
xOverlap = xOverlap,
160
yOverlap = yOverlap })
161
end
29
onUpdate = function (self)
30
-- this is called after physics, so this makes sense here
31
the.view.map:subdisplace(self)
32
end
162
33
}
163
34
164
function Sprite:displaceDir(other, dir)
165
if not self.solid or self == other or not other.solid then return end
166
if STRICT then assert(other:instanceOf(Sprite), 'asked to displace a non-sprite') end
167
168
if other.sprites then
169
-- handle groups
170
171
for _, spr in pairs(other.sprites) do
172
self:displace(spr, dir)
173
end
174
else
175
-- handle sprites
176
local dim
177
if dir == 'x' then
178
dim = 'width'
179
elseif dir == 'y' then
180
dim = 'height'
181
else
182
print 'dir ??'
183
end
184
185
local negMove = (other[dir] - self[dir]) + other[dim]
186
local posMove = (self[dir] + self[dim]) - other[dir]
187
188
-- TODO: re-add hinting?
189
if negMove < posMove then
190
chg = - negMove
191
else
192
chg = posMove
193
end
194
end
195
196
other[dir] = other[dir] + chg
197
end
198
199
35
GameView = View:extend {
200
36
onNew = function (self)
201
37
self:loadLayers('data/map.lua')
202
38
self.focus = the.player
203
39
self:clampTo(self.map)
204
end,
205
onUpdate = function (self)
206
--print('tick')
207
--the.player:collide(self.map)
208
--self.map:collide(the.player)
209
end
40
end
210
41
}
211
42
212
43
the.app = App:new {
213
44
onRun = function (self)
214
45
self.view = GameView:new()
215
self.console:watch('onGround', 'the.player.onGround')
216
self.console:watch('onWall', 'the.player.onWall')
217
46
end,
218
47
onUpdate = function (self, dt)
219
if the.keys:justPressed('escape') and
220
not self.console.visible then
221
self.quit()
48
if the.keys:justPressed('escape') then
49
love.event.quit()
222
50
end
223
51
end
224
52
}
b'\\ No newline at end of file'
Loggerhead is a web-based interface for Breezy
Version: 2.0.1