Move the demos down a directory

demo/exampleworld/ball.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material.001
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2

demo/exampleworld/barn.mtl

@@ -0,0 +1,32 @@
+# Blender MTL File: 'barn.blend'
+# Material Count: 3
+
+newmtl post
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl roofing
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl wood
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2

demo/exampleworld/barn.obj

@@ -0,0 +1,221 @@
+# Blender v2.91.0 OBJ File: 'barn.blend'
+# www.blender.org
+mtllib barn.mtl
+o Cylinder
+v 0.000000 12.002157 -6.000000
+v 0.000000 12.002157 6.000000
+v 4.242640 10.244799 -6.000000
+v 4.242640 10.244799 6.000000
+v 5.973321 6.006279 -5.973321
+v 5.973321 6.006278 5.959068
+v -5.987575 6.006279 -5.973321
+v -5.983434 6.007652 5.945425
+v -4.242641 10.244797 -6.000000
+v -4.242641 10.244797 6.000000
+v -5.975150 -0.010399 5.918136
+v 5.946643 -0.010399 5.918136
+v -5.975150 -0.010399 5.918136
+v -5.975150 -0.010400 -5.946643
+v 5.946643 -0.010400 -5.946643
+v -2.252070 -0.010399 5.918136
+v 2.289558 -0.010399 5.918136
+v -2.252071 3.065055 5.932081
+v 2.289565 3.065055 5.934867
+v -5.987575 6.006279 -5.973321
+v -5.983434 6.007652 5.945425
+v -9.987576 5.006279 -5.973321
+v -9.983434 5.007652 5.945424
+v -8.386020 0.003052 4.737424
+v -8.386020 5.409821 4.737424
+v -8.386020 0.003052 4.248708
+v -8.386020 5.409821 4.248708
+v -7.897304 0.003052 4.737424
+v -7.897304 5.547104 4.737424
+v -7.897304 0.003052 4.248708
+v -7.897304 5.547104 4.248708
+v -8.386020 0.003052 -4.206997
+v -8.386020 5.409820 -4.206997
+v -8.386020 0.003052 -4.695714
+v -8.386020 5.409820 -4.695714
+v -7.897304 0.003052 -4.206997
+v -7.897304 5.547104 -4.206997
+v -7.897304 0.003052 -4.695714
+v -7.897304 5.547104 -4.695713
+v 0.382683 10.013505 5.984599
+v -0.000000 10.089625 5.984768
+v -1.000000 9.089624 5.975662
+v -0.707107 8.382519 5.970365
+v 0.707107 8.382519 5.971980
+v -0.382683 8.165746 5.969009
+v -0.923880 8.706942 5.972701
+v 0.382683 8.165746 5.969883
+v 1.000000 9.089625 5.977946
+v -0.707107 9.796732 5.981628
+v 0.923879 8.706942 5.974811
+v 0.923879 9.472309 5.980907
+v 0.707107 9.796732 5.983243
+v -0.382683 10.013505 5.983725
+v -0.923880 9.472309 5.978797
+v 0.000000 8.089625 5.968840
+v 4.242640 10.244799 4.159337
+v 4.242640 10.244799 1.416625
+v 0.000000 12.002157 2.181214
+v -4.242641 10.244797 -1.747424
+v -4.242641 10.244797 -5.036804
+v -2.149303 11.111887 -3.947335
+v -2.107151 11.129346 -1.846688
+vt 0.448689 0.656606
+vt 0.277979 0.465403
+vt 0.273972 0.402066
+vt 0.262560 0.348372
+vt 0.245481 0.312495
+vt 0.225334 0.299896
+vt 0.205188 0.312494
+vt 0.188108 0.348371
+vt 0.176697 0.402065
+vt 0.172689 0.465401
+vt 0.001980 0.656614
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+vt 0.539796 -0.044902
+vt 0.248827 0.952721
+vt 0.035076 0.675010
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+vt 0.550151 0.002625
+vt 0.462437 0.673949
+vt 1.470035 0.007503
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+vt 0.743820 0.999395
+vt 0.732478 0.009331
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+vt -0.001528 -0.009313
+vt 0.644990 -0.007871
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+vt 0.037541 0.955445
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+vt 0.227533 0.484420
+vt 0.458781 0.484422
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+vt 2.204045 -0.009312
+vt 2.221146 0.980935
+vt 0.239229 0.748702
+vt 0.269849 0.748702
+vt 0.269849 0.779322
+vt 0.239229 0.779322
+vt 0.918917 0.574529
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+vt 0.999913 0.430918
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+vt 0.176697 0.528738
+vt 0.188109 0.582432
+vt 0.205188 0.618309
+vt 0.225334 0.630908
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+vt 0.273972 0.528739
+vt 0.225335 0.947443
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+vt -0.151097 1.381976
+vt 0.634041 1.381976
+vt -0.441446 1.381977
+vt -0.636302 1.381977
+vt -0.631969 2.241306
+vt 0.631216 2.241305
+vt 0.631217 -1.202265
+vt -0.630524 -1.201730
+vt -0.636302 -0.341921
+vt 0.183855 -0.341921
+vt 0.532075 -0.341921
+vt 0.634041 -0.341921
+vt 0.416742 0.083369
+vt 0.194363 0.091932
+vt -0.636302 0.520028
+vt 0.742673 -1.662150
+vt -0.859941 -1.661471
+vt -0.860192 -1.711059
+vt 0.742429 -1.711738
+vt 1.073623 -1.241022
+vt 1.073623 1.008689
+vt 0.634689 1.008404
+vt 0.634688 -1.241306
+vt 1.305423 -1.711738
+vt 1.374063 -1.711738
+vt 1.374063 -1.594569
+vt 1.305423 -1.594569
+vt 0.000087 0.723871
+vt 0.000087 0.574703
+vt 0.081083 0.574703
+vt 0.081083 0.723872
+vt -0.619781 1.620252
+vt -0.353799 0.525439
+vt -0.867279 0.525439
+vt -0.867279 1.620252
+vt -1.073724 0.142970
+vt 1.612726 0.148805
+vt 1.612429 0.493274
+vt -1.074021 0.487440
+vt 1.680344 0.837889
+vt -1.074318 0.831910
+vt 1.680046 1.182359
+vt -1.074616 1.176377
+vt 1.611537 1.526681
+vt -1.074913 1.520847
+vt -1.546928 0.762659
+vt 2.365793 0.812032
+vt 2.363954 1.313756
+vt -1.548768 1.264385
+vt -1.541410 -0.742515
+vt 2.371313 -0.693142
+vt 2.468821 -0.190165
+vt -1.543249 -0.240789
+vt 2.466981 0.311560
+vt -1.545088 0.260933
+vn -0.0007 -0.0099 1.0000
+vn 0.0000 -0.0054 -1.0000
+vn 0.0000 -0.0044 -1.0000
+vn 1.0000 -0.0044 -0.0000
+vn -0.0006 -0.0058 1.0000
+vn -1.0000 -0.0017 0.0002
+vn 0.0000 -1.0000 -0.0000
+vn 0.0000 -0.0091 1.0000
+vn 0.3827 0.9239 0.0000
+vn 0.9258 0.3780 0.0000
+vn -0.9248 0.3804 0.0001
+vn -0.3827 0.9239 0.0000
+vn 0.0000 0.0000 1.0000
+vn 0.2425 -0.9701 0.0000
+vn -0.2704 0.9627 0.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 1.0000 0.0000 0.0000
+usemtl wood
+s off
+f 4/1/1 48/2/1 50/3/1 44/4/1 47/5/1 55/6/1 45/7/1 43/8/1 46/9/1 42/10/1 10/11/1 8/12/1 6/13/1
+f 1/14/2 3/15/2 5/16/2 7/17/2 9/18/2
+f 14/19/3 7/20/3 5/21/3 15/22/3
+f 15/22/4 5/21/4 6/23/4 12/24/4
+f 12/25/5 6/26/5 8/27/5 11/28/5 16/29/5 18/30/5 19/31/5 17/32/5
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+f 34/39/7 38/40/7 36/41/7 32/42/7
+f 10/11/8 42/10/8 54/43/8 49/44/8 53/45/8 41/46/8 40/47/8 52/48/8 51/49/8 48/2/8 4/1/8 2/50/8
+usemtl roofing
+f 1/51/9 58/52/9 57/53/9 3/54/9
+f 3/54/10 57/53/10 56/55/10 4/56/10 6/57/10 5/58/10
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+f 31/76/15 27/77/15 25/78/15 29/79/15
+f 39/80/15 35/81/15 33/82/15 37/83/15
+f 56/84/9 58/85/9 2/86/9 4/87/9
+usemtl post
+f 24/88/16 25/89/16 27/90/16 26/91/16
+f 26/91/17 27/90/17 31/92/17 30/93/17
+f 30/93/18 31/92/18 29/94/18 28/95/18
+f 28/95/13 29/94/13 25/96/13 24/97/13
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+f 38/105/18 39/104/18 37/106/18 36/107/18
+f 36/107/13 37/106/13 33/99/13 32/98/13

demo/exampleworld/capsule.mtl

@@ -0,0 +1,10 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl None
+Ns 500
+Ka 0.8 0.8 0.8
+Kd 0.8 0.8 0.8
+Ks 0.8 0.8 0.8
+d 1
+illum 2

demo/exampleworld/cube.mtl

@@ -0,0 +1,10 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl None
+Ns 500
+Ka 0.8 0.8 0.8
+Kd 0.8 0.8 0.8
+Ks 0.8 0.8 0.8
+d 1
+illum 2

demo/exampleworld/cube.obj

@@ -0,0 +1,40 @@
+# Blender v2.91.0 OBJ File: ''
+# www.blender.org
+mtllib cube.mtl
+o Cube_Cube.001
+v -1.000000 -1.000000 1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 -1.000000
+vt 0.375000 0.000000
+vt 0.625000 0.000000
+vt 0.625000 0.250000
+vt 0.375000 0.250000
+vt 0.625000 0.500000
+vt 0.375000 0.500000
+vt 0.625000 0.750000
+vt 0.375000 0.750000
+vt 0.625000 1.000000
+vt 0.375000 1.000000
+vt 0.125000 0.500000
+vt 0.125000 0.750000
+vt 0.875000 0.500000
+vt 0.875000 0.750000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 1.0000
+vn 0.0000 -1.0000 0.0000
+vn 0.0000 1.0000 0.0000
+usemtl None
+s off
+f 1/1/1 2/2/1 4/3/1 3/4/1
+f 3/4/2 4/3/2 8/5/2 7/6/2
+f 7/6/3 8/5/3 6/7/3 5/8/3
+f 5/8/4 6/7/4 2/9/4 1/10/4
+f 3/11/5 7/6/5 5/8/5 1/12/5
+f 8/5/6 4/13/6 2/14/6 6/7/6

demo/exampleworld/ground.mtl

@@ -0,0 +1,13 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material.001
+Ns 20.935559
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 1
+map_Kd /home/dane/dev/games/trough/godot/environment/raw/grass_lowres.png

demo/exampleworld/ground.obj

@@ -0,0 +1,16 @@
+# Blender v2.91.0 OBJ File: ''
+# www.blender.org
+mtllib ground.mtl
+o Plane
+v -1.000000 0.000000 1.000000
+v 1.000000 0.000000 1.000000
+v -1.000000 0.000000 -1.000000
+v 1.000000 0.000000 -1.000000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+vn 0.0000 1.0000 0.0000
+usemtl Material.001
+s off
+f 1/1/1 2/2/1 4/3/1 3/4/1

demo/exampleworld/main.lua

@@ -0,0 +1,229 @@
+local min = math.min
+local max = math.max
+local cube
+local physics_ball
+local character
+local ball
+local camera
+local die_cube
+
+local total = 0.0
+
+local vx = 0.0
+local vy = 0.0
+local vz = 0.0
+
+local character_move_vec = couch.Vector3(0.0, 0.0, 0.0)
+
+local ballvy = -1.0
+
+local cam_rot_x = 0.0
+local cam_rot_y = 0.0
+
+local SPEED = 30
+
+local WHITE = couch.Vector3(1.0, 1.0, 1.0)
+local RED = couch.Vector3(1.0, 0.0, 0.0)
+local BLUE = couch.Vector3(0.0, 0.0, 1.0)
+
+local light
+
+function init()
+   local material
+   local transform
+   
+   camera = couch.Camera()
+   camera:MakeCurrent()
+   camera:Translate(couch.Vector3(0.0, 0.0, 10.0))
+
+   local light = couch.DirectionalLight()
+   light.direction = couch.Vector3(0.0, -1.0, -1.0)
+   light.color = couch.Vector3(1.0, 1.0, 1.0)
+   light.ambient = 0.2
+   light.diffuse = 1.0
+   light.specular = 0.1
+   couch.Node.GetRoot():AddChild(light:Instance())
+
+   local skybox = couch.Skybox.FromFiles(
+      "skybox/px.png",
+      "skybox/nx.png",
+      "skybox/py.png",
+      "skybox/ny.png",
+      "skybox/pz.png",
+      "skybox/nz.png"
+   )
+   couch.Node.GetRoot():AddChild(skybox:Instance())
+
+   local physics_ball_prefab = couch.Rigidbody()
+   local physics_ball_mesh = couch.Mesh.FromFile("ball.obj")
+   material = physics_ball_mesh:GetMaterial(0)
+   material.ambient = BLUE
+   material.diffuse = BLUE
+   physics_ball_mesh:SetMaterial(0, material)
+   physics_ball_prefab:AddChild(physics_ball_mesh);
+   physics_ball_prefab:Translate(couch.Vector3(0.0, 30.0, -10.0))
+   physics_ball = physics_ball_prefab:Instance()
+   couch.Node.GetRoot():AddChild(physics_ball)
+
+   make_ground()
+
+   local character_prefab = couch.Mesh.FromFile("capsule.obj")
+   material = character_prefab:GetMaterial(0)
+   material.ambient = BLUE
+   material.diffuse = BLUE
+   material.specular = WHITE * 0.1
+   character_prefab:SetMaterial(0, material)
+   local character_body = couch.Rigidbody()
+   character_body:SetMass(1.0)
+   character_body:SetCollisionShape(couch.CapsuleCollisionShape(1.0, 1.0))
+   character_body:SetCharacter(true)
+   character_body:AddChild(character_prefab)
+   character_body:Translate(couch.Vector3(0.0, 3.0, 0.0))
+   character = character_body:Instance()
+   couch.Node.GetRoot():AddChild(character)
+
+   local cube_prefab = couch.Mesh.FromFile("cube.obj")
+   material = cube_prefab:GetMaterial(0)
+   material.ambient = RED
+   material.diffuse = RED
+   cube_prefab:SetMaterial(0, material)
+   local orbiter = couch.Mesh.FromFile("ball.obj")
+   orbiter:UniformScale(0.25);
+   orbiter:Translate(couch.Vector3(1.0, 0.0, 0.0))
+   cube_prefab:AddChild(orbiter)
+   cube = cube_prefab:Instance()
+   couch.Node.GetRoot():AddChild(cube)
+   die_cube = cube_prefab:Instance()
+   couch.Node.GetRoot():AddChild(die_cube)
+   die_cube:Translate(couch.Vector3(0.0, 0.0, 3.0))
+   
+   local ball_prefab = couch.Mesh.FromFile("ball.obj")
+   material = ball_prefab:GetMaterial(0)
+   ball_prefab:SetMaterial(0, material)
+   ball = ball_prefab:Instance()
+   couch.Node.GetRoot():AddChild(ball)
+
+   ball:Translate(couch.Vector3(0.0, 3.0, 0.0))
+
+   local trough_prefab = couch.TexturedMesh("trough.obj", "wood_lowres.png")
+   trough = trough_prefab:Instance()
+   couch.Node.GetRoot():AddChild(trough)
+   trough:Translate(couch.Vector3(10.0, 0.0, 0.0))
+
+   local scaffold_prefab = couch.TexturedMesh("scaffold.obj", "grate_floor_lowres.png", "railing.png")
+   local scaffold = scaffold_prefab:Instance()
+   material = scaffold:GetMaterial(0)
+   material.alphaScissor = 0.9
+   scaffold:SetMaterial(0, material)
+   material = scaffold:GetMaterial(1)
+   material.cullBack = false
+   scaffold:SetMaterial(1, material)
+   material = scaffold:GetMaterial(1)
+   material.alphaScissor = 0.1
+   scaffold:SetMaterial(1, material)
+   couch.Node.GetRoot():AddChild(scaffold)
+   scaffold:Translate(couch.Vector3(-3.0, 3.0, 0.0))
+
+   local barn_prefab = couch.TexturedMesh("barn.obj", "paintedwood.jpg", "barnroof_lowres.png", "wood_lowres.png")
+   local barn = barn_prefab:Instance()
+   material = barn:GetMaterial(0)
+   material.cullBack = false
+   barn:SetMaterial(0, material)
+   material = barn:GetMaterial(1)
+   material.cullBack = false
+   barn:SetMaterial(1, material)
+   couch.Node.GetRoot():AddChild(barn)
+   barn:Translate(couch.Vector3(-15.0, 0.0, 0.0))
+end
+
+function update(delta)
+   total = total + delta
+   local move_vec = couch.Vector3()
+   local camera_transform = camera:GetTransform()
+   move_vec = camera_transform.position + camera_transform:Forward() * delta * vz * SPEED
+   move_vec = move_vec + camera_transform:Right() * delta * vx * SPEED
+   move_vec = move_vec + camera_transform:Up() * delta * vy * SPEED
+   camera_transform.position = move_vec
+   
+   camera_transform.rotation.y = camera_transform.rotation.y - cam_rot_x * delta
+   cam_rot_x = 0.0
+   camera_transform.rotation.x = camera_transform.rotation.x - cam_rot_y * delta
+   camera_transform.rotation.x = min(max(camera_transform.rotation.x, -3.14 / 2.0), 3.14 / 2.0)
+   cam_rot_y = 0.0
+
+   camera:SetTransform(camera_transform)
+
+   local loc = ball:GetTransform().position
+   if loc.y > 4.0 then
+      ballvy = -1.0
+   elseif loc.y < 2.0 then
+      ballvy = 1.0
+   end
+   ball:Translate(couch.Vector3(0.0, ballvy * delta, 0.0))
+
+   cube:RotateY(2.0 * delta)
+   cube:RotateZ(1.0 * delta)
+
+   character:ApplyForce(character_move_vec * 10.0)
+
+   if total > 1.0 and die_cube then
+      die_cube:QueueFree()
+      die_cube = nil
+   end
+end
+
+function action_dir(key, action, pos, neg, curr)
+   if key == pos and action == couch.ACTION_PRESS then
+      return 1.0
+   elseif key == neg and action == couch.ACTION_PRESS then
+      return -1.0
+   elseif (key == pos or key == neg) and action == couch.ACTION_RELEASE then
+      return 0.0
+   else
+      return curr
+   end
+end
+
+function onkey(key, code, action, mod)
+   vz = action_dir(key, action, couch.KEY_W, couch.KEY_S, vz)
+   vx = action_dir(key, action, couch.KEY_D, couch.KEY_A, vx)
+   vy = action_dir(key, action, couch.KEY_SPACE, couch.KEY_LEFT_CONTROL, vy)
+   
+   if key == couch.KEY_J and action == couch.ACTION_PRESS then
+      physics_ball:ApplyImpulse(couch.Vector3(0.0, 1.0, 0.0) * 10)
+   end
+
+   character_move_vec.z = action_dir(key, action, couch.KEY_DOWN, couch.KEY_UP, character_move_vec.z)
+end
+
+function onmousemotion(_, _, relx, rely)
+   cam_rot_x = relx
+   cam_rot_y = rely
+end
+
+function make_ground()
+   local ground_prefab = couch.TexturedMesh("ground.obj", "grass_lowres.png")
+   
+   local ground_prefab_transform = ground_prefab:GetTransform()
+   ground_prefab_transform.position = couch.Vector3(0.0, -2.0, 0.0)
+   ground_prefab_transform.scale = couch.Vector3(3.0, 1.0, 3.0)
+   ground_prefab:SetTransform(ground_prefab_transform)
+
+   ground = couch.Spatial():Instance()
+   couch.Node.GetRoot():AddChild(ground)
+
+   -- Add a collisionshape
+   local ground_shape_prefab = couch.Rigidbody()
+   ground_shape_prefab:SetMass(0.0)
+   ground_shape_prefab:SetCollisionShape(couch.BoxCollisionShape(180.0, 1.0, 180.0))
+   ground_shape_prefab:Translate(couch.Vector3(0.0, -2.5, 0.0))
+   ground:AddChild(ground_shape_prefab:Instance())
+
+   for x = -20, 20, 1 do
+      for z = -20, 20, 1 do
+	 local piece = ground_prefab:Instance()
+	 piece:Translate(couch.Vector3(6.0 * x, -2.0, 6.0 * z))
+	 ground:AddChild(piece)
+      end
+   end
+end

demo/exampleworld/scaffold.mtl

@@ -0,0 +1,22 @@
+# Blender MTL File: 'scaffold.blend'
+# Material Count: 2
+
+newmtl grate
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl railing
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2

demo/exampleworld/scaffold.obj

@@ -0,0 +1,52 @@
+# Blender v2.91.0 OBJ File: 'scaffold.blend'
+# www.blender.org
+mtllib scaffold.mtl
+o Cube
+v 1.934654 0.106465 -3.000000
+v 1.934654 0.010658 -3.000000
+v 1.934654 0.106465 3.000000
+v 1.934654 0.010658 3.000000
+v -1.956436 0.106465 -3.000000
+v -1.956436 0.010658 -3.000000
+v -1.956436 0.106465 3.000000
+v -1.956436 0.010658 3.000000
+v 1.934654 2.092319 -3.000000
+v 1.934654 2.092319 3.000000
+vt 0.003780 1.006212
+vt 0.003780 0.005796
+vt 0.994847 0.005796
+vt 0.994847 1.006212
+vt 0.426341 0.196745
+vt 0.393727 0.196745
+vt 0.393727 0.000079
+vt 0.426341 0.000079
+vt 0.426341 0.999921
+vt 0.393727 0.999921
+vt 0.393727 0.696666
+vt 0.426341 0.696666
+vt 1.986373 0.005796
+vt 1.986373 1.006211
+vt 0.995306 1.006212
+vt 0.995306 0.005796
+vt 0.426341 0.500001
+vt 0.393727 0.500001
+vt 0.000072 0.000073
+vt 0.999928 0.000072
+vt 0.999928 0.998269
+vt 0.000072 0.998269
+vn 0.0000 1.0000 0.0000
+vn 0.0000 0.0000 1.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 -1.0000 0.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+usemtl grate
+s off
+f 1/1/1 5/2/1 7/3/1 3/4/1
+f 4/5/2 3/6/2 7/7/2 8/8/2
+f 8/9/3 7/10/3 5/11/3 6/12/3
+f 6/13/4 2/14/4 4/15/4 8/16/4
+f 2/17/5 1/18/5 3/6/5 4/5/5
+f 6/12/6 5/11/6 1/18/6 2/17/6
+usemtl railing
+f 3/19/5 1/20/5 9/21/5 10/22/5

demo/exampleworld/trough.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'trough.blend'
+# Material Count: 1
+
+newmtl Material
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2

demo/exampleworld/trough.obj

@@ -0,0 +1,80 @@
+# Blender v2.91.0 OBJ File: 'trough.blend'
+# www.blender.org
+mtllib trough.mtl
+o Cube
+v 0.559649 0.176655 1.457162
+v 0.559649 0.176655 -1.457162
+v -0.559649 0.176655 1.457162
+v -0.559649 0.176655 -1.457162
+v 0.768938 1.259425 2.002092
+v 0.615018 0.029390 1.601327
+v 0.768938 1.259425 -2.002092
+v 0.615018 0.029390 -1.601327
+v -0.768938 1.259425 2.002092
+v -0.615018 0.029390 1.601327
+v -0.768938 1.259425 -2.002092
+v -0.615018 0.029390 -1.601327
+v 0.695141 1.259425 -1.809946
+v 0.695141 1.259425 1.809946
+v -0.695141 1.259425 -1.809946
+v -0.695141 1.259425 1.809946
+vt 0.686031 0.303372
+vt 0.701491 0.673315
+vt 0.962419 0.711595
+vt 0.971650 0.340317
+vt -0.300445 0.304089
+vt -0.298284 0.709022
+vt 0.099821 0.696156
+vt 0.134610 0.334567
+vt 0.599830 0.530280
+vt 0.599830 0.643491
+vt 0.894598 0.643491
+vt 0.894598 0.530280
+vt 0.272975 0.302381
+vt 0.272886 0.674376
+vt 0.599830 0.000171
+vt 0.607295 0.019606
+vt 0.747924 0.019606
+vt 0.747925 0.385756
+vt 0.755388 0.405188
+vt 0.755388 0.000170
+vt -0.066641 0.235731
+vt -0.225881 0.232306
+vt -0.204799 0.717963
+vt -0.061225 0.757944
+vt 1.229174 0.237805
+vt 0.663827 0.254265
+vt 0.728179 0.721933
+vt 1.245199 0.723908
+vt 0.923761 0.405529
+vt 0.599830 0.405529
+vt 0.599830 0.529940
+vt 0.923761 0.529940
+vt 0.471728 0.284766
+vt 0.491305 0.770590
+vt 0.599832 0.405188
+vt 0.607295 0.385755
+vn 0.0000 0.3098 0.9508
+vn 0.9923 0.1242 0.0000
+vn 0.0000 1.0000 0.0000
+vn -0.9923 0.1242 0.0000
+vn 0.0000 0.3098 -0.9508
+vn 0.0000 -0.3098 -0.9508
+vn -0.9923 -0.1242 0.0000
+vn 0.0000 -1.0000 0.0000
+vn 0.9923 -0.1242 0.0000
+vn 0.0000 -0.3098 0.9508
+usemtl Material
+s off
+f 2/1/1 13/2/1 15/3/1 4/4/1
+f 4/5/2 15/6/2 16/7/2 3/8/2
+f 3/9/3 1/10/3 2/11/3 4/12/3
+f 1/13/4 14/14/4 13/2/4 2/1/4
+f 3/8/5 16/7/5 14/14/5 1/13/5
+f 5/15/3 14/16/3 16/17/3 15/18/3 11/19/3 9/20/3
+f 8/21/6 12/22/6 11/23/6 7/24/6
+f 12/25/7 10/26/7 9/27/7 11/28/7
+f 10/29/8 12/30/8 8/31/8 6/32/8
+f 6/33/9 8/21/9 7/24/9 5/34/9
+f 10/26/10 6/33/10 5/34/10 9/27/10
+f 14/16/3 5/15/3 7/35/3 11/19/3 15/18/3 13/36/3