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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
require 'honey.std'
-- initialize honey
window = honey.init()
window:setInputMode(glfw.CURSOR, glfw.CURSOR_DISABLED)
-- setup vector graphics
local vg = nvg.CreateContext()
local november = nvg.CreateFont(vg, "November", "assets/november.regular.ttf")
local vw, vh = 640, 480
-- setup physics
local space = ode.HashSpaceCreate(ode.Space0)
local world = ode.WorldCreate()
ode.WorldSetGravity(world, 0, -10, 0)
ode.WorldSetCFM(world, 1e-5)
local physicsGc = honey.util.gc_canary(function()
ode.SpaceDestroy(space)
ode.WorldDestroy(world)
end)
-- setup ecs
local entities = honey.ecs.EntityDb()
local systems = honey.ecs.SystemDb(entities)
local script = honey.ecs.script
systems:addSystem(honey.ecs.node.system)
systems:addSystem(honey.ecs.render.system)
systems:addSystem(honey.ecs.script.system)
systems:addSystem(honey.ecs.collision.system, {space=space})
systems:addSystem(honey.ecs.physics.system, {space=space, world=world})
function setupEntities()
local terrain = entities:createEntityWithComponents{
node = {
matrix = Mat4():identity():translate(Vec3{4,0,0}),
},
renderMesh = {
textures = {
ourTexture = {
filename = "assets/green+grass-1024x1024.jpg",
},
},
shader = {
vertex = "vertex.glsl",
fragment = "fragment.glsl",
},
mesh = { filename = "assets/terrain.obj", index=1 },
},
collision = {
class = "trimesh",
filename = "assets/terrain.obj",
},
}
-- local plane = entities:createEntity()
-- entities:addComponents(plane, {
-- node = {
-- matrix = Mat4()
-- :identity()
-- :rotateZ(math.rad(5))
-- },
-- collision = {
-- class = "plane",
-- },
-- })
--
-- local planeMesh = entities:createEntityWithComponents{
-- node = {
-- parent = plane,
-- matrix = Mat4():identity():rotateX(0.5*math.pi):scale(Vec3{20,20,20}),
-- },
-- renderMesh = {
-- textures = {
-- ourTexture={
-- filename="assets/green+grass-1024x1024.jpg"
-- }
-- },
-- shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
-- mesh = { filename="builtin.quad", index=1 },
-- },
-- }
local id = entities:createEntity()
entities:addComponents(id, {
renderMesh = {
textures = {
ourTexture={ filename="77155.png" }
},
shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
mesh = { filename="assets/icosahedron.obj", index=1 },
},
node = {
matrix = Mat4()
:identity()
:translate(Vec3{0,1,0})
:rotateZ(math.rad(45)),
},
collision = {
class = "sphere",
radius = 1,
},
physics = {
mass = {
class = "sphere",
density = 1,
radius = 1,
},
surface = true,
velocity = Vec3{ 0, 0, 0 },
angularVelocity = Vec3{ 0, 0, 0 },
},
})
local id2 = entities:createEntity()
entities:addComponents(id2, {
renderMesh = {
shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
--mesh = { filename="assets/tetrahedron.obj", index=1 },
mesh = { filename="builtin.quad", index=1 },
},
node = {
parent=id,
matrix=Mat4():identity():translate(Vec3{0, 2, 0}),
},
})
local quad = entities:createEntity()
entities:addComponents(quad, {
renderQuad = {
shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
textures = { ourTexture = { filename = "44d9a0ec1c18e6126a5e9d9d9317f5ac.png" } },
},
})
require('character')(entities)
local skybox = entities:createEntityWithComponents{
node = {
matrix = Mat4():identity():scale(Vec3{2,2,2}):rotateX(math.rad(90))
},
renderMesh = {
mesh = {
filename="assets/skybox.obj",
index=1,
},
shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
textures = {
ourTexture = {
filename = "assets/skyboxsun5deg2_tn.jpg"
--filename = "assets/skybox.png"
}
},
},
}
local misc = entities:createEntityWithComponents{
onKey = { script = "scripts.loadSaveQuit" },
onFramebufferSize = { script = "scripts.viewportResize" },
}
end
setupEntities()
-- connect event handler scripts
window:bindEvents(entities)
--entities:load("save")
-- main loop
local time = 0
honey.loop(window, function(dt)
time = time + dt
if time > 1 then
time = time-1
print(collectgarbage("count"))
end
gl.ClearColor(0.2, 0.4, 1.0, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT + gl.DEPTH_BUFFER_BIT + gl.STENCIL_BUFFER_BIT)
gl.Enable(gl.DEPTH_TEST)
gl.Disable(gl.CULL_FACE)
systems:update(dt)
nvg.BeginFrame(vg, vw, vh, 1.0)
nvg.StrokeColor(vg, nvg.RGBf(1, 1, 1))
nvg.FontFace(vg, "November")
nvg.Text(vg, 50, 50, "fps: "..tostring(math.floor(1/dt)))
nvg.EndFrame(vg)
end)
-- clean up
honey.terminate()
|