Repository navigation
Expand file tree
/
Copy pathmain.lua
More file actions
170 lines (144 loc) · 4.52 KB
/
Copy pathmain.lua
File metadata and controls
170 lines (144 loc) · 4.52 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
local evolved = require 'evolved'
local STAGES = {
ON_SETUP = evolved.builder()
:name('STAGES.ON_SETUP')
:build(),
ON_UPDATE = evolved.builder()
:name('STAGES.ON_UPDATE')
:build(),
ON_RENDER = evolved.builder()
:name('STAGES.ON_RENDER')
:build(),
}
local FRAGMENTS = {
POSITION_X = evolved.builder()
:name('FRAGMENTS.POSITION_X')
:default(0)
:build(),
POSITION_Y = evolved.builder()
:name('FRAGMENTS.POSITION_Y')
:default(0)
:build(),
VELOCITY_X = evolved.builder()
:name('FRAGMENTS.VELOCITY_X')
:default(0)
:build(),
VELOCITY_Y = evolved.builder()
:name('FRAGMENTS.VELOCITY_Y')
:default(0)
:build(),
}
local PREFABS = {
CIRCLE = evolved.builder()
:name('PREFABS.CIRCLE')
:prefab()
:set(FRAGMENTS.POSITION_X)
:set(FRAGMENTS.POSITION_Y)
:set(FRAGMENTS.VELOCITY_X)
:set(FRAGMENTS.VELOCITY_Y)
:build(),
}
---
---
---
---
---
evolved.builder()
:name('SYSTEMS.STARTUP')
:group(STAGES.ON_SETUP)
:prologue(function()
evolved.multi_clone_nr(500, PREFABS.CIRCLE, nil, function(chunk, b_place, e_place)
local screen_width, screen_height = love.graphics.getDimensions()
---@type number[], number[]
local position_xs, position_ys = chunk:components(
FRAGMENTS.POSITION_X, FRAGMENTS.POSITION_Y)
---@type number[], number[]
local velocity_xs, velocity_ys = chunk:components(
FRAGMENTS.VELOCITY_X, FRAGMENTS.VELOCITY_Y)
for i = b_place, e_place do
local px = math.random() * screen_width
local py = math.random() * screen_height
local vx = math.random(-100, 100)
local vy = math.random(-100, 100)
position_xs[i], position_ys[i] = px, py
velocity_xs[i], velocity_ys[i] = vx, vy
end
end)
end):build()
evolved.builder()
:name('SYSTEMS.MOVEMENT')
:group(STAGES.ON_UPDATE)
:include(FRAGMENTS.POSITION_X, FRAGMENTS.POSITION_Y)
:include(FRAGMENTS.VELOCITY_X, FRAGMENTS.VELOCITY_Y)
:execute(function(chunk, _, entity_count, delta_time)
local screen_width, screen_height = love.graphics.getDimensions()
---@type number[], number[]
local position_xs, position_ys = chunk:components(
FRAGMENTS.POSITION_X, FRAGMENTS.POSITION_Y)
---@type number[], number[]
local velocity_xs, velocity_ys = chunk:components(
FRAGMENTS.VELOCITY_X, FRAGMENTS.VELOCITY_Y)
for i = 1, entity_count do
local px, py = position_xs[i], position_ys[i]
local vx, vy = velocity_xs[i], velocity_ys[i]
px = px + vx * delta_time
py = py + vy * delta_time
if px < 0 and vx < 0 then
vx = -vx
elseif px > screen_width and vx > 0 then
vx = -vx
end
if py < 0 and vy < 0 then
vy = -vy
elseif py > screen_height and vy > 0 then
vy = -vy
end
position_xs[i], position_ys[i] = px, py
velocity_xs[i], velocity_ys[i] = vx, vy
end
end):build()
evolved.builder()
:name('SYSTEMS.RENDERING')
:group(STAGES.ON_RENDER)
:include(FRAGMENTS.POSITION_X, FRAGMENTS.POSITION_Y)
:execute(function(chunk, _, entity_count)
---@type number[], number[]
local position_xs, position_ys = chunk:components(
FRAGMENTS.POSITION_X, FRAGMENTS.POSITION_Y)
for i = 1, entity_count do
local x, y = position_xs[i], position_ys[i]
love.graphics.circle('fill', x, y, 5)
end
end):build()
evolved.builder()
:name('SYSTEMS.DEBUGGING')
:group(STAGES.ON_RENDER)
:epilogue(function()
local fps = love.timer.getFPS()
local mem = collectgarbage('count')
love.graphics.print(string.format('FPS: %d', fps), 10, 10)
love.graphics.print(string.format('MEM: %d KB', mem), 10, 30)
end):build()
---
---
---
---
---
---@type love.load
function love.load()
evolved.process(STAGES.ON_SETUP)
end
---@type love.update
function love.update(dt)
evolved.process_with(STAGES.ON_UPDATE, dt)
end
---@type love.draw
function love.draw()
evolved.process(STAGES.ON_RENDER)
end
---@type love.keypressed
function love.keypressed(key)
if key == 'escape' then
love.event.quit()
end
end