render all shapes

22 files changed, 1033 insertions, 279 deletions

diff --git a/44d9a0ec1c18e6126a5e9d9d9317f5ac.png b/44d9a0ec1c18e6126a5e9d9d9317f5ac.png
new file mode 100644
index 0000000..531b895
--- /dev/null
+++ b/44d9a0ec1c18e6126a5e9d9d9317f5ac.png
diff --git a/77155.png b/77155.png
new file mode 100644
index 0000000..0209e70
--- /dev/null
+++ b/77155.png
diff --git a/assets/Cube.png b/assets/Cube.png
new file mode 100644
index 0000000..413a785
--- /dev/null
+++ b/assets/Cube.png
diff --git a/assets/Icosphere.png b/assets/Icosphere.png
new file mode 100644
index 0000000..47c48f4
--- /dev/null
+++ b/assets/Icosphere.png
diff --git a/assets/cube.obj b/assets/cube.obj
index 59558f1..01d923d 100644
--- a/assets/cube.obj
+++ b/assets/cube.obj
@@ -1,7 +1,7 @@
 # Blender v3.4.1 OBJ File: ''
 # www.blender.org
 mtllib cube.mtl
-o Cube_Cube.001
+o Cube_Cube.003
 v -1.000000 -1.000000 1.000000
 v -1.000000 1.000000 1.000000
 v -1.000000 -1.000000 -1.000000
@@ -10,19 +10,45 @@ 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
+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
+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 0.625000 0.000000
+vt 0.375000 0.250000
+vt 0.375000 0.000000
 vt 0.625000 0.250000
+vt 0.375000 0.500000
 vt 0.375000 0.250000
 vt 0.625000 0.500000
+vt 0.375000 0.750000
 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 0.375000 0.750000
+vt 0.375000 0.500000
 vt 0.125000 0.750000
+vt 0.125000 0.500000
 vt 0.875000 0.500000
+vt 0.625000 0.750000
+vt 0.625000 0.500000
+vt 0.625000 0.250000
+vt 0.625000 0.500000
+vt 0.625000 0.750000
+vt 0.625000 1.000000
+vt 0.375000 0.750000
 vt 0.875000 0.750000
 vn -1.0000 0.0000 0.0000
 vn 0.0000 0.0000 -1.0000
@@ -32,9 +58,15 @@ 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
+f 13/1/1 9/2/1 11/3/1
+f 16/4/2 17/5/2 10/6/2
+f 20/7/3 21/8/3 18/9/3
+f 24/10/4 12/11/4 22/12/4
+f 7/13/5 1/14/5 3/15/5
+f 4/16/6 6/17/6 8/18/6
+f 13/1/1 15/19/1 9/2/1
+f 16/4/2 19/20/2 17/5/2
+f 20/7/3 23/21/3 21/8/3
+f 24/10/4 14/22/4 12/11/4
+f 7/13/5 5/23/5 1/14/5
+f 4/16/6 2/24/6 6/17/6
diff --git a/assets/dodecahedron.mtl b/assets/dodecahedron.mtl
index f231bdf..a891989 100644
--- a/assets/dodecahedron.mtl
+++ b/assets/dodecahedron.mtl
@@ -1,10 +1,12 @@
 # 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
+newmtl None.001
+Ns 499.999983
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.800000 0.800000 0.800000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
 illum 2
diff --git a/assets/dodecahedron.obj b/assets/dodecahedron.obj
index 9378634..d833481 100644
--- a/assets/dodecahedron.obj
+++ b/assets/dodecahedron.obj
@@ -1,114 +1,114 @@
 # Blender v3.4.1 OBJ File: ''
 # www.blender.org
 mtllib dodecahedron.mtl
-o Circle
-v 0.000000 0.000000 0.000000
-v -0.000000 -0.000000 -1.000000
-v -0.951057 0.000000 -0.309017
-v -0.587785 0.000000 0.809017
-v 0.587785 0.000000 0.809017
-v 0.951057 0.000000 -0.309017
-v -0.951060 1.618035 -1.309021
-v -0.000001 1.000000 -1.618033
-v -0.000005 -0.000000 -1.000000
-v -0.951065 -0.000000 -0.309022
-v -1.538849 1.000000 -0.500007
-v -0.688196 0.723607 -0.947217
-v 0.000002 1.000000 -1.618033
-v 0.951057 1.618035 -1.309011
-v 1.538839 1.000001 -0.499991
-v 0.951053 -0.000000 -0.309012
-v -0.000000 -0.000000 -1.000000
-v 0.688190 0.723607 -0.947210
-v 1.113522 0.723607 0.361803
-v 1.538852 1.000000 -0.499999
-v 0.951066 -0.000000 -0.309018
-v 0.587789 -0.000000 0.809014
-v 0.951057 1.000000 1.309016
-v 1.538846 1.618035 0.500001
-v 0.000000 1.618035 1.618039
-v -0.951055 1.000000 1.309017
-v -0.587781 -0.000000 0.809020
-v 0.587790 -0.000000 0.809026
-v 0.951058 1.000000 1.309027
-v 0.000002 0.723607 1.170826
-v -1.113521 0.723607 0.361807
-v -0.951065 1.000000 1.309022
-v -0.587792 -0.000000 0.809024
-v -0.951058 -0.000000 -0.309012
-v -1.538842 1.000000 -0.499998
-v -1.538846 1.618035 0.500002
-v 0.000000 2.618035 0.000000
-v 0.000000 2.618035 1.000000
-v 0.951057 2.618035 0.309017
-v 0.587785 2.618035 -0.809017
-v -0.587785 2.618035 -0.809017
-v -0.951057 2.618035 0.309017
-v 0.951060 1.000000 1.309021
-v 0.000002 1.618035 1.618033
-v 0.000005 2.618035 1.000000
-v 0.951065 2.618035 0.309022
-v 1.538849 1.618035 0.500007
-v 0.688196 1.894428 0.947217
-v -0.000002 1.618035 1.618033
-v -0.951057 1.000000 1.309011
-v -1.538839 1.618035 0.499992
-v -0.951053 2.618035 0.309012
-v 0.000000 2.618035 1.000000
-v -0.688190 1.894428 0.947210
-v -1.113522 1.894428 -0.361803
-v -1.538852 1.618035 0.499999
-v -0.951066 2.618035 0.309018
-v -0.587789 2.618035 -0.809014
-v -0.951058 1.618035 -1.309015
-v -1.538846 1.000000 -0.500001
-v -0.000001 1.000000 -1.618039
-v 0.951055 1.618035 -1.309017
-v 0.587781 2.618035 -0.809020
-v -0.587790 2.618035 -0.809026
-v -0.951058 1.618035 -1.309027
-v -0.000002 1.894428 -1.170826
-v 1.113521 1.894428 -0.361807
-v 0.951065 1.618035 -1.309022
-v 0.587792 2.618035 -0.809024
-v 0.951058 2.618035 0.309012
-v 1.538842 1.618035 0.499998
-v 1.538846 1.000000 -0.500002
+o Circle.003
+v 0.000000 -0.793800 -0.000000
+v 0.000000 -0.793800 -0.606409
+v -0.576730 -0.793800 -0.187391
+v -0.356438 -0.793800 0.490595
+v 0.356438 -0.793800 0.490595
+v 0.576730 -0.793800 -0.187391
+v -0.417328 -0.354998 -0.574401
+v -0.000001 -0.187391 -0.981190
+v -0.576732 0.187391 -0.793802
+v -0.933172 -0.187391 -0.303209
+v -0.576735 -0.793800 -0.187394
+v -0.000003 -0.793800 -0.606409
+v 0.417325 -0.354998 -0.574397
+v 0.576730 0.187391 -0.793796
+v 0.000001 -0.187391 -0.981190
+v 0.000000 -0.793800 -0.606409
+v 0.576727 -0.793800 -0.187388
+v 0.933166 -0.187390 -0.303199
+v 0.675250 -0.354998 0.219401
+v 0.933174 -0.187391 -0.303204
+v 0.576735 -0.793800 -0.187391
+v 0.933170 0.187391 0.303205
+v 0.356441 -0.793800 0.490594
+v 0.576730 -0.187391 0.793799
+v 0.000001 -0.354998 0.710000
+v -0.576728 -0.187391 0.793800
+v 0.000000 0.187391 0.981194
+v 0.356441 -0.793800 0.490601
+v -0.356436 -0.793800 0.490597
+v 0.576730 -0.187391 0.793806
+v -0.675249 -0.354998 0.219403
+v -0.576735 -0.187391 0.793803
+v -0.356442 -0.793800 0.490600
+v -0.576730 -0.793800 -0.187388
+v -0.933168 -0.187391 -0.303203
+v -0.933170 0.187391 0.303206
+v 0.000000 0.793800 0.000000
+v 0.000000 0.793800 0.606409
+v 0.576730 0.793800 0.187391
+v 0.356438 0.793800 -0.490595
+v -0.356438 0.793800 -0.490595
+v -0.576730 0.793800 0.187391
+v 0.417328 0.354998 0.574401
+v 0.000001 0.187391 0.981190
+v 0.576732 -0.187391 0.793802
+v 0.933172 0.187391 0.303209
+v 0.576735 0.793800 0.187394
+v 0.000003 0.793800 0.606409
+v -0.417325 0.354998 0.574397
+v -0.576730 -0.187391 0.793796
+v -0.000001 0.187391 0.981190
+v 0.000000 0.793800 0.606409
+v -0.576727 0.793800 0.187388
+v -0.933166 0.187391 0.303200
+v -0.675250 0.354998 -0.219401
+v -0.933174 0.187391 0.303204
+v -0.576735 0.793800 0.187391
+v -0.933170 -0.187391 -0.303205
+v -0.356441 0.793800 -0.490594
+v -0.576730 0.187391 -0.793799
+v -0.000001 0.354999 -0.710000
+v 0.576728 0.187391 -0.793800
+v -0.000001 -0.187391 -0.981194
+v -0.356441 0.793800 -0.490601
+v 0.356436 0.793800 -0.490597
+v -0.576730 0.187391 -0.793806
+v 0.675249 0.354998 -0.219403
+v 0.576735 0.187391 -0.793803
+v 0.356442 0.793800 -0.490600
+v 0.576730 0.793800 0.187388
+v 0.933168 0.187391 0.303203
+v 0.933170 -0.187391 -0.303206
 vt 0.126156 0.755207
-vt 0.126156 0.865811
 vt 0.020966 0.789385
+vt 0.126156 0.865811
 vt 0.061145 0.665727
 vt 0.191167 0.665727
 vt 0.231347 0.789385
 vt 0.133793 0.507300
-vt 0.198805 0.417820
 vt 0.238984 0.541479
+vt 0.198805 0.417820
 vt 0.133793 0.617904
-vt 0.028603 0.541479
 vt 0.068782 0.417820
+vt 0.028603 0.541479
 vt 0.629231 0.466888
-vt 0.694242 0.377408
 vt 0.734421 0.501067
+vt 0.694242 0.377408
 vt 0.629231 0.577492
-vt 0.524040 0.501067
 vt 0.564220 0.377408
+vt 0.524040 0.501067
 vt 0.382101 0.246545
-vt 0.382101 0.357149
 vt 0.276910 0.280723
+vt 0.382101 0.357149
 vt 0.487291 0.280723
 vt 0.317090 0.157065
 vt 0.447112 0.157065
 vt 0.124232 0.237885
-vt 0.189243 0.148405
 vt 0.229422 0.272063
-vt 0.019042 0.272063
+vt 0.189243 0.148405
 vt 0.059221 0.148405
+vt 0.019042 0.272063
 vt 0.124232 0.348489
 vt 0.376328 0.742077
-vt 0.376328 0.852680
 vt 0.271137 0.776255
-vt 0.311316 0.652596
+vt 0.376328 0.852680
 vt 0.441339 0.652596
+vt 0.311316 0.652596
 vt 0.481518 0.776255
 vt 0.624574 0.728606
 vt 0.624574 0.839209
@@ -146,71 +146,77 @@ vt 0.276910 0.501067
 vt 0.317090 0.377408
 vt 0.447112 0.377408
 vt 0.487291 0.501067
-vn 0.0000 1.0000 -0.0000
+vn 0.0000 -1.0000 -0.0000
+vn -0.5257 -0.4472 -0.7236
+vn 0.5257 -0.4472 -0.7236
+vn 0.8506 -0.4472 0.2764
+vn -0.0000 -0.4472 0.8944
+vn -0.8507 -0.4472 0.2764
+vn 0.0000 1.0000 0.0000
 vn 0.5257 0.4472 0.7236
 vn -0.5257 0.4472 0.7236
 vn -0.8506 0.4472 -0.2764
 vn 0.0000 0.4472 -0.8944
 vn 0.8507 0.4472 -0.2764
-usemtl None
-s off
-f 1/1/1 2/2/1 3/3/1
-f 1/1/1 3/3/1 4/4/1
-f 1/1/1 4/4/1 5/5/1
-f 1/1/1 5/5/1 6/6/1
-f 1/1/1 6/6/1 2/2/1
-f 12/7/2 8/8/2 7/9/2
-f 12/7/2 7/9/2 11/10/2
-f 12/7/2 10/11/2 9/12/2
-f 12/7/2 11/10/2 10/11/2
-f 12/7/2 9/12/2 8/8/2
-f 18/13/3 14/14/3 13/15/3
-f 18/13/3 13/15/3 17/16/3
-f 18/13/3 16/17/3 15/18/3
-f 18/13/3 17/16/3 16/17/3
-f 18/13/3 15/18/3 14/14/3
-f 19/19/4 20/20/4 21/21/4
-f 19/19/4 24/22/4 20/20/4
-f 19/19/4 21/21/4 22/23/4
-f 19/19/4 23/24/4 24/22/4
-f 19/19/4 22/23/4 23/24/4
-f 30/25/5 26/26/5 25/27/5
-f 30/25/5 28/28/5 27/29/5
-f 30/25/5 27/29/5 26/26/5
-f 30/25/5 29/30/5 28/28/5
-f 30/25/5 25/27/5 29/30/5
-f 31/31/6 32/32/6 33/33/6
-f 31/31/6 34/34/6 35/35/6
-f 31/31/6 36/36/6 32/32/6
-f 31/31/6 35/35/6 36/36/6
-f 31/31/6 33/33/6 34/34/6
-f 37/37/1 38/38/1 39/39/1
-f 37/37/1 39/39/1 40/40/1
-f 37/37/1 40/40/1 41/41/1
-f 37/37/1 41/41/1 42/42/1
-f 37/37/1 42/42/1 38/38/1
-f 48/43/2 44/44/2 43/45/2
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-f 48/43/2 46/47/2 45/48/2
-f 48/43/2 47/46/2 46/47/2
-f 48/43/2 45/48/2 44/44/2
-f 54/49/3 50/50/3 49/51/3
-f 54/49/3 49/51/3 53/52/3
-f 54/49/3 52/53/3 51/54/3
-f 54/49/3 53/52/3 52/53/3
-f 54/49/3 51/54/3 50/50/3
-f 55/55/4 56/56/4 57/57/4
-f 55/55/4 60/58/4 56/56/4
-f 55/55/4 57/57/4 58/59/4
-f 55/55/4 59/60/4 60/58/4
-f 55/55/4 58/59/4 59/60/4
-f 66/61/5 62/62/5 61/63/5
-f 66/61/5 64/64/5 63/65/5
-f 66/61/5 63/65/5 62/62/5
-f 66/61/5 65/66/5 64/64/5
-f 66/61/5 61/63/5 65/66/5
-f 67/67/6 68/68/6 69/69/6
-f 67/67/6 70/70/6 71/71/6
-f 67/67/6 72/72/6 68/68/6
-f 67/67/6 71/71/6 72/72/6
-f 67/67/6 69/69/6 70/70/6
+usemtl None.001
+s 1
+f 1/1/1 3/2/1 2/3/1
+f 1/1/1 4/4/1 3/2/1
+f 1/1/1 5/5/1 4/4/1
+f 1/1/1 6/6/1 5/5/1
+f 1/1/1 2/3/1 6/6/1
+f 7/7/2 9/8/2 8/9/2
+f 7/7/2 10/10/2 9/8/2
+f 7/7/2 12/11/2 11/12/2
+f 7/7/2 11/12/2 10/10/2
+f 7/7/2 8/9/2 12/11/2
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+f 13/13/3 16/16/3 15/14/3
+f 13/13/3 18/17/3 17/18/3
+f 13/13/3 17/18/3 16/16/3
+f 13/13/3 14/15/3 18/17/3
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+f 25/25/5 26/27/5 29/28/5
+f 25/25/5 28/29/5 30/30/5
+f 25/25/5 30/30/5 27/26/5
+f 31/31/6 33/32/6 32/33/6
+f 31/31/6 35/34/6 34/35/6
+f 31/31/6 32/33/6 36/36/6
+f 31/31/6 36/36/6 35/34/6
+f 31/31/6 34/35/6 33/32/6
+f 37/37/7 38/38/7 39/39/7
+f 37/37/7 39/39/7 40/40/7
+f 37/37/7 40/40/7 41/41/7
+f 37/37/7 41/41/7 42/42/7
+f 37/37/7 42/42/7 38/38/7
+f 43/43/8 44/44/8 45/45/8
+f 43/43/8 45/45/8 46/46/8
+f 43/43/8 47/47/8 48/48/8
+f 43/43/8 46/46/8 47/47/8
+f 43/43/8 48/48/8 44/44/8
+f 49/49/9 50/50/9 51/51/9
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+f 49/49/9 53/53/9 54/54/9
+f 49/49/9 52/52/9 53/53/9
+f 49/49/9 54/54/9 50/50/9
+f 55/55/10 56/56/10 57/57/10
+f 55/55/10 58/58/10 56/56/10
+f 55/55/10 57/57/10 59/59/10
+f 55/55/10 60/60/10 58/58/10
+f 55/55/10 59/59/10 60/60/10
+f 61/61/11 62/62/11 63/63/11
+f 61/61/11 64/64/11 65/65/11
+f 61/61/11 65/65/11 62/62/11
+f 61/61/11 66/66/11 64/64/11
+f 61/61/11 63/63/11 66/66/11
+f 67/67/12 68/68/12 69/69/12
+f 67/67/12 70/70/12 71/71/12
+f 67/67/12 72/72/12 68/68/12
+f 67/67/12 71/71/12 72/72/12
+f 67/67/12 69/69/12 70/70/12
diff --git a/assets/icosahedron.mtl b/assets/icosahedron.mtl
index 46bc110..44b3c44 100644
--- a/assets/icosahedron.mtl
+++ b/assets/icosahedron.mtl
@@ -1,2 +1,12 @@
-# Blender 3.4.1 MTL File: 'None'
-# www.blender.org
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Default_OBJ
+Ns 250.000000
+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
diff --git a/assets/icosahedron.obj b/assets/icosahedron.obj
index 4253bc0..94dea53 100644
--- a/assets/icosahedron.obj
+++ b/assets/icosahedron.obj
@@ -1,79 +1,166 @@
-# Blender 3.4.1
+# Blender v3.4.1 OBJ File: ''
 # www.blender.org
 mtllib icosahedron.mtl
-o Icosphere
-v 0.000000 -1.000000 0.000000
-v 0.723600 -0.447215 0.525720
-v -0.276385 -0.447215 0.850640
-v -0.894425 -0.447215 0.000000
-v -0.276385 -0.447215 -0.850640
-v 0.723600 -0.447215 -0.525720
-v 0.276385 0.447215 0.850640
-v -0.723600 0.447215 0.525720
-v -0.723600 0.447215 -0.525720
-v 0.276385 0.447215 -0.850640
-v 0.894425 0.447215 0.000000
-v 0.000000 1.000000 0.000000
-vn 0.1876 -0.7947 0.5774
-vn 0.6071 -0.7947 -0.0000
-vn -0.4911 -0.7947 0.3568
-vn -0.4911 -0.7947 -0.3568
-vn 0.1876 -0.7947 -0.5774
-vn 0.9822 -0.1876 -0.0000
-vn 0.3035 -0.1876 0.9342
-vn -0.7946 -0.1876 0.5774
-vn -0.7946 -0.1876 -0.5774
-vn 0.3035 -0.1876 -0.9342
-vn 0.7946 0.1876 0.5774
-vn -0.3035 0.1876 0.9342
-vn -0.9822 0.1876 -0.0000
-vn -0.3035 0.1876 -0.9342
-vn 0.7946 0.1876 -0.5774
-vn 0.4911 0.7947 0.3568
-vn -0.1876 0.7947 0.5774
-vn -0.6071 0.7947 -0.0000
-vn -0.1876 0.7947 -0.5774
-vn 0.4911 0.7947 -0.3568
+o Icosphere.001
+v 0.000000 -1.093451 -0.000000
+v 0.791221 -0.489008 0.574849
+v -0.302214 -0.489008 0.930134
+v 0.791221 -0.489008 -0.574849
+v -0.978010 -0.489008 -0.000000
+v -0.302214 -0.489008 -0.930134
+v 0.978010 0.489008 0.000000
+v 0.302214 0.489008 0.930134
+v -0.791221 0.489008 0.574849
+v -0.791221 0.489008 -0.574849
+v 0.302214 0.489008 -0.930134
+v 0.000000 1.093451 0.000000
+v -0.791221 0.489008 -0.574849
+v -0.791221 0.489008 -0.574849
+v -0.791221 0.489008 -0.574849
+v -0.791221 0.489008 -0.574849
+v 0.000000 1.093451 0.000000
+v 0.000000 1.093451 0.000000
+v 0.000000 1.093451 0.000000
+v 0.000000 1.093451 0.000000
+v 0.000000 -1.093451 -0.000000
+v 0.000000 -1.093451 -0.000000
+v 0.000000 -1.093451 -0.000000
+v 0.000000 -1.093451 -0.000000
+v 0.791221 -0.489008 0.574849
+v 0.791221 -0.489008 0.574849
+v 0.791221 -0.489008 0.574849
+v 0.791221 -0.489008 0.574849
+v -0.302214 -0.489008 0.930134
+v -0.302214 -0.489008 0.930134
+v -0.302214 -0.489008 0.930134
+v -0.302214 -0.489008 0.930134
+v 0.791221 -0.489008 -0.574849
+v 0.791221 -0.489008 -0.574849
+v 0.791221 -0.489008 -0.574849
+v 0.791221 -0.489008 -0.574849
+v -0.978010 -0.489008 -0.000000
+v -0.978010 -0.489008 -0.000000
+v -0.978010 -0.489008 -0.000000
+v -0.978010 -0.489008 -0.000000
+v -0.302214 -0.489008 -0.930134
+v -0.302214 -0.489008 -0.930134
+v -0.302214 -0.489008 -0.930134
+v -0.302214 -0.489008 -0.930134
+v 0.978010 0.489008 0.000000
+v 0.978010 0.489008 0.000000
+v 0.978010 0.489008 0.000000
+v 0.978010 0.489008 0.000000
+v 0.302214 0.489008 0.930134
+v 0.302214 0.489008 0.930134
+v 0.302214 0.489008 0.930134
+v 0.302214 0.489008 0.930134
+v -0.791221 0.489008 0.574849
+v -0.791221 0.489008 0.574849
+v -0.791221 0.489008 0.574849
+v -0.791221 0.489008 0.574849
+v 0.302214 0.489008 -0.930134
+v 0.302214 0.489008 -0.930134
+v 0.302214 0.489008 -0.930134
+v 0.302214 0.489008 -0.930134
 vt 0.181819 0.000000
+vt 0.272728 0.157461
+vt 0.090910 0.157461
+vt 0.272728 0.157461
 vt 0.363637 0.000000
+vt 0.454546 0.157461
 vt 0.909091 0.000000
+vt 1.000000 0.157461
+vt 0.818182 0.157461
 vt 0.727273 0.000000
+vt 0.818182 0.157461
+vt 0.636364 0.157461
 vt 0.545455 0.000000
+vt 0.636364 0.157461
+vt 0.454546 0.157461
 vt 0.272728 0.157461
-vt 1.000000 0.157461
+vt 0.454546 0.157461
+vt 0.363637 0.314921
 vt 0.090910 0.157461
+vt 0.272728 0.157461
+vt 0.181819 0.314921
 vt 0.818182 0.157461
+vt 1.000000 0.157461
+vt 0.909091 0.314921
 vt 0.636364 0.157461
+vt 0.818182 0.157461
+vt 0.727273 0.314921
 vt 0.454546 0.157461
+vt 0.636364 0.157461
+vt 0.545455 0.314921
+vt 0.272728 0.157461
+vt 0.363637 0.314921
+vt 0.181819 0.314921
+vt 0.090910 0.157461
 vt 0.181819 0.314921
 vt 0.000000 0.314921
+vt 0.818182 0.157461
 vt 0.909091 0.314921
 vt 0.727273 0.314921
+vt 0.636364 0.157461
+vt 0.727273 0.314921
+vt 0.545455 0.314921
+vt 0.454546 0.157461
 vt 0.545455 0.314921
 vt 0.363637 0.314921
+vt 0.181819 0.314921
+vt 0.363637 0.314921
 vt 0.272728 0.472382
+vt 0.000000 0.314921
+vt 0.181819 0.314921
 vt 0.090910 0.472382
+vt 0.727273 0.314921
+vt 0.909091 0.314921
 vt 0.818182 0.472382
+vt 0.545455 0.314921
+vt 0.727273 0.314921
 vt 0.636364 0.472382
+vt 0.363637 0.314921
+vt 0.545455 0.314921
 vt 0.454546 0.472382
-s 0
-f 1/1/1 2/6/1 3/8/1
-f 2/6/2 1/2/2 6/11/2
-f 1/3/3 3/7/3 4/9/3
-f 1/4/4 4/9/4 5/10/4
-f 1/5/5 5/10/5 6/11/5
-f 2/6/6 6/11/6 11/17/6
-f 3/8/7 2/6/7 7/12/7
-f 4/9/8 3/7/8 8/14/8
-f 5/10/9 4/9/9 9/15/9
-f 6/11/10 5/10/10 10/16/10
-f 2/6/11 11/17/11 7/12/11
-f 3/8/12 7/12/12 8/13/12
-f 4/9/13 8/14/13 9/15/13
-f 5/10/14 9/15/14 10/16/14
-f 6/11/15 10/16/15 11/17/15
-f 7/12/16 11/17/16 12/18/16
-f 8/13/17 7/12/17 12/19/17
-f 9/15/18 8/14/18 12/20/18
-f 10/16/19 9/15/19 12/21/19
-f 11/17/20 10/16/20 12/22/20
+vn 0.1876 -0.7947 0.5774
+vn 0.6071 -0.7947 -0.0000
+vn -0.4911 -0.7947 0.3568
+vn -0.4911 -0.7947 -0.3568
+vn 0.1876 -0.7947 -0.5774
+vn 0.9822 -0.1876 -0.0000
+vn 0.3035 -0.1876 0.9342
+vn -0.7946 -0.1876 0.5774
+vn -0.7946 -0.1876 -0.5774
+vn 0.3035 -0.1876 -0.9342
+vn 0.7946 0.1876 0.5774
+vn -0.3035 0.1876 0.9342
+vn -0.9822 0.1876 0.0000
+vn -0.3035 0.1876 -0.9342
+vn 0.7946 0.1876 -0.5774
+vn 0.4911 0.7947 0.3568
+vn -0.1876 0.7947 0.5774
+vn -0.6071 0.7947 0.0000
+vn -0.1876 0.7947 -0.5774
+vn 0.4911 0.7947 -0.3568
+usemtl Default_OBJ
+s 1
+f 21/1/1 25/2/1 29/3/1
+f 26/4/2 24/5/2 33/6/2
+f 22/7/3 31/8/3 37/9/3
+f 23/10/4 39/11/4 41/12/4
+f 1/13/5 43/14/5 35/15/5
+f 27/16/6 36/17/6 45/18/6
+f 30/19/7 28/20/7 49/21/7
+f 38/22/8 32/23/8 53/24/8
+f 42/25/9 40/26/9 14/27/9
+f 34/28/10 44/29/10 57/30/10
+f 2/31/11 46/32/11 51/33/11
+f 3/34/12 52/35/12 54/36/12
+f 5/37/13 55/38/13 15/39/13
+f 6/40/14 16/41/14 60/42/14
+f 4/43/15 59/44/15 47/45/15
+f 50/46/16 48/47/16 18/48/16
+f 56/49/17 8/50/17 20/51/17
+f 13/52/18 9/53/18 17/54/18
+f 58/55/19 10/56/19 19/57/19
+f 7/58/20 11/59/20 12/60/20
diff --git a/assets/octahedron.mtl b/assets/octahedron.mtl
new file mode 100644
index 0000000..58c39f5
--- /dev/null
+++ b/assets/octahedron.mtl
@@ -0,0 +1,12 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl None
+Ns 499.999983
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.800000 0.800000 0.800000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
diff --git a/assets/octahedron.obj b/assets/octahedron.obj
new file mode 100644
index 0000000..5ce3470
--- /dev/null
+++ b/assets/octahedron.obj
@@ -0,0 +1,70 @@
+# Blender v3.4.1 OBJ File: ''
+# www.blender.org
+mtllib octahedron.mtl
+o Circle_Circle.001
+v 0.000003 1.003216 0.000014
+v -0.707125 0.000000 -0.707121
+v 0.707135 0.000000 -0.707091
+v -0.707107 -0.000000 0.707107
+v 0.707164 -0.000000 0.707116
+v 0.000003 -1.003216 0.000014
+v 0.000003 1.003216 0.000014
+v 0.000003 1.003216 0.000014
+v 0.000003 1.003216 0.000014
+v -0.707125 0.000000 -0.707121
+v -0.707125 0.000000 -0.707121
+v -0.707125 0.000000 -0.707121
+v 0.707135 0.000000 -0.707091
+v 0.707135 0.000000 -0.707091
+v 0.707135 0.000000 -0.707091
+v -0.707107 -0.000000 0.707107
+v -0.707107 -0.000000 0.707107
+v -0.707107 -0.000000 0.707107
+v 0.707164 -0.000000 0.707116
+v 0.707164 -0.000000 0.707116
+v 0.707164 -0.000000 0.707116
+v 0.000003 -1.003216 0.000014
+v 0.000003 -1.003216 0.000014
+v 0.000003 -1.003216 0.000014
+vt 0.250045 0.749962
+vt 0.000076 0.999925
+vt 0.500014 0.999929
+vt 0.500014 0.999929
+vt 0.500010 0.500000
+vt 0.250045 0.749962
+vt 0.250045 0.749962
+vt 0.500010 0.500000
+vt 0.000071 0.500000
+vt 0.000076 0.999925
+vt 0.250045 0.749962
+vt 0.000071 0.500000
+vt 0.000076 0.000075
+vt 0.000071 0.500000
+vt 0.250045 0.250038
+vt 0.500014 0.000071
+vt 0.250045 0.250038
+vt 0.500010 0.500000
+vt 0.250045 0.250038
+vt 0.500014 0.000071
+vt 0.000076 0.000075
+vt 0.250045 0.250038
+vt 0.000071 0.500000
+vt 0.500010 0.500000
+vn 0.0000 0.5761 -0.8174
+vn -0.8174 0.5761 0.0000
+vn -0.0000 0.5761 0.8174
+vn 0.8174 0.5761 -0.0000
+vn 0.8174 -0.5761 -0.0000
+vn -0.8174 -0.5761 0.0000
+vn 0.0000 -0.5761 -0.8174
+vn -0.0000 -0.5761 0.8174
+usemtl None
+s 1
+f 7/1/1 13/2/1 10/3/1
+f 11/4/2 16/5/2 9/6/2
+f 8/7/3 17/8/3 19/9/3
+f 14/10/4 1/11/4 20/12/4
+f 15/13/5 21/14/5 22/15/5
+f 12/16/6 23/17/6 18/18/6
+f 24/19/7 2/20/7 3/21/7
+f 6/22/8 5/23/8 4/24/8
diff --git a/assets/octohedron.png b/assets/octahedron.png
index 63c70b2..63c70b2 100644
--- a/assets/octohedron.png
+++ b/assets/octahedron.png
diff --git a/assets/octohedron.mtl b/assets/octohedron.mtl
deleted file mode 100644
index f231bdf..0000000
--- a/assets/octohedron.mtl
+++ /dev/null
@@ -1,10 +0,0 @@
-# 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
diff --git a/assets/octohedron.obj b/assets/octohedron.obj
deleted file mode 100644
index 424d8a8..0000000
--- a/assets/octohedron.obj
+++ /dev/null
@@ -1,32 +0,0 @@
-# Blender v3.4.1 OBJ File: ''
-# www.blender.org
-mtllib octohedron.mtl
-o Circle_Circle.001
-v 0.707135 0.000000 -0.707091
-v 0.000003 1.003216 0.000014
-v -0.707125 0.000000 -0.707121
-v -0.707107 0.000000 0.707107
-v 0.707164 0.000000 0.707116
-v 0.000003 -1.003216 0.000014
-vt 0.250045 0.749962
-vt 0.500014 0.999929
-vt 0.000076 0.999925
-vt 0.500010 0.500000
-vt 0.000071 0.500000
-vt 0.000076 0.000075
-vt 0.250045 0.250038
-vt 0.500014 0.000071
-vn -0.0000 -0.5761 0.8174
-vn 0.8174 -0.5761 -0.0000
-vn 0.0000 -0.5761 -0.8174
-vn -0.8174 -0.5761 0.0000
-usemtl None
-s off
-f 2/1/1 3/2/1 1/3/1
-f 3/2/2 2/1/2 4/4/2
-f 2/1/3 5/5/3 4/4/3
-f 1/3/4 5/5/4 2/1/4
-f 1/6/2 5/5/2 6/7/2
-f 3/8/4 6/7/4 4/4/4
-f 6/7/3 3/8/3 1/6/3
-f 6/7/1 5/5/1 4/4/1
diff --git a/assets/tetrahedron.obj b/assets/tetrahedron.obj
index b4ba6ed..b8ab982 100644
--- a/assets/tetrahedron.obj
+++ b/assets/tetrahedron.obj
@@ -2,23 +2,37 @@
 # www.blender.org
 mtllib tetrahedron.mtl
 o Circle_Circle.002
-v -0.000000 -0.497806 -1.000000
-v -0.866025 -0.497806 0.500000
-v 0.866025 -0.497806 0.500000
-v 0.000000 0.916407 0.000000
+v -0.000000 -0.353553 -1.000000
+v -0.866025 -0.353553 0.500000
+v 0.866025 -0.353553 0.500000
+v 0.000000 1.060660 -0.000000
+v -0.866025 -0.353553 0.500000
+v -0.866025 -0.353553 0.500000
+v -0.000000 -0.353553 -1.000000
+v -0.000000 -0.353553 -1.000000
+v 0.866025 -0.353553 0.500000
+v 0.866025 -0.353553 0.500000
+v 0.000000 1.060660 -0.000000
+v 0.000000 1.060660 -0.000000
 vt 0.433025 0.250046
-vt 0.433025 0.749954
 vt 0.865957 0.500000
+vt 0.433025 0.749954
 vt 0.865957 0.999907
+vt 0.433025 0.749954
+vt 0.865957 0.500000
 vt 0.865957 0.000093
+vt 0.865957 0.500000
+vt 0.433025 0.250046
 vt 0.000093 0.500000
-vn 0.0000 1.0000 0.0000
+vt 0.433025 0.250046
+vt 0.433025 0.749954
+vn 0.0000 -1.0000 0.0000
 vn 0.0000 0.3333 0.9428
 vn 0.8165 0.3333 -0.4714
 vn -0.8165 0.3333 -0.4714
 usemtl None
 s off
-f 1/1/1 2/2/1 3/3/1
-f 4/4/2 2/2/2 3/3/2
-f 4/5/3 3/3/3 1/1/3
-f 4/6/4 1/1/4 2/2/4
+f 7/1/1 9/2/1 5/3/1
+f 12/4/2 6/5/2 10/6/2
+f 11/7/3 3/8/3 8/9/3
+f 4/10/4 1/11/4 2/12/4
diff --git a/honey/init.lua b/honey/init.lua
new file mode 100644
index 0000000..c3dda37
--- /dev/null
+++ b/honey/init.lua
@@ -0,0 +1,29 @@
+local glfw = honey.glfw
+local gl = honey.gl
+local window = require 'honey.window'
+
+local hinit = {}
+setmetatable(hinit, {__index=_G})
+setfenv(1, hinit)
+
+
+function init(width, height, title)
+	local width = width or 640
+	local height = height or 480
+	local title = title or "honey3d"
+
+	glfw.Init()
+	local window = honey.Window(width, height, title)
+	glfw.MakeContextCurrent(window.win)
+	gl.InitGlad()
+
+	return window
+end
+
+
+function terminate()
+	glfw.Terminate()
+end
+
+
+return hinit
diff --git a/honey/mat4.lua b/honey/mat4.lua
new file mode 100644
index 0000000..a97129c
--- /dev/null
+++ b/honey/mat4.lua
@@ -0,0 +1,144 @@
+local glm = honey.glm
+local Vec3 = require 'honey.vec3'
+
+local module = {}
+setmetatable(module, {__index=_G})
+setfenv(1, module)
+
+local RowLookup = {}
+function RowLookup.new(_, row, data)
+	local self = {
+		row=row,
+		data=data,
+	}
+	setmetatable(self, RowLookup)
+	return self
+end
+setmetatable(RowLookup, {__call=RowLookup.new})
+function RowLookup.__index(self, col)
+	return glm.mat4_get(self.data, col-1, self.row-1)
+end
+function RowLookup.__newindex(self, col, value)
+	return glm.mat4_set(self.data, col-1, self.row-1, value)
+end
+
+
+
+Mat4 = {}
+
+function Mat4.new(_, self, values)
+	local self = {}
+	self.type = "mat4"
+	self.data = glm.mat4_create()
+	setmetatable(self, Mat4)
+	if values then
+		self[1][1] = values[1]
+		self[1][2] = values[2]
+		self[1][3] = values[3]
+		self[1][4] = values[4]
+
+		self[2][1] = values[5]
+		self[2][2] = values[6]
+		self[2][3] = values[7]
+		self[2][4] = values[8]
+
+		self[3][1] = values[9]
+		self[3][2] = values[10]
+		self[3][3] = values[11]
+		self[3][4] = values[12]
+
+		self[4][1] = values[13]
+		self[4][2] = values[14]
+		self[4][3] = values[15]
+		self[4][4] = values[16]
+	end
+	return self
+end
+setmetatable(Mat4, {__call=Mat4.new})
+
+
+function Mat4.__index(self, key)
+	if type(key) == "number" then
+		return RowLookup(key, self.data)
+	else
+		return Mat4[key]
+	end
+end
+
+
+function Mat4.__tostring(self)
+	return string.format(
+		"/ %0.4f, %0.4f, %0.4f, %0.4f \\\n" ..
+		"| %0.4f, %0.4f, %0.4f, %0.4f |\n" ..
+		"| %0.4f, %0.4f, %0.4f, %0.4f |\n" ..
+		"\\ %0.4f, %0.4f, %0.4f, %0.4f /",
+		self[1][1], self[1][2], self[1][3], self[1][4],
+		self[2][1], self[2][2], self[2][3], self[2][4],
+		self[3][1], self[3][2], self[3][3], self[3][4],
+		self[4][1], self[4][2], self[4][3], self[4][4]
+	)
+end
+
+
+function Mat4.__mul(self, other)
+	if other.type == "mat4" then
+		local dest = Mat4()
+		glm.mat4_mul(self.data, other.data, dest.data)
+		return dest
+	elseif other.type == "vec4" then
+		-- todo
+	elseif other.type == "vec3" then
+		local dest = Vec3()
+		glm.mat4_mulv3(self.data, other.data, 1.0, dest.data)
+		return dest
+	else
+		error(string.format("cannot multiply Mat4 by %s", type(other)))
+	end
+end
+
+
+function Mat4.copyTo(self, dest)
+	glm.mat4_copy(self.data, dest.data)
+end
+
+
+function Mat4.identity(self)
+	glm.mat4_identity(self.data)
+end
+
+
+function Mat4.zero(self)
+	glm.mat4_zero(self.data)
+end
+
+
+function Mat4.translate(self, vec)
+	glm.translate(self.data, vec.data)
+end
+
+
+function Mat4.rotateX(self, angle)
+	glm.rotate_x(self.data, angle, self.data)
+end
+function Mat4.rotateY(self, angle)
+	glm.rotate_y(self.data, angle, self.data)
+end
+function Mat4.rotateZ(self, angle)
+	glm.rotate_z(self.data, angle, self.data)
+end
+
+
+function Mat4.scale(self, vec)
+	glm.scale(self.data, vec.data)
+end
+
+
+function Mat4.perspective(self, fovy, aspect, near, far)
+	glm.perspective(fovy, aspect, near, far, self.data)
+end
+function Mat4.perspectiveResize(self, aspect)
+	glm.perspective_resize(aspect, self.data)
+end
+
+
+return module.Mat4
diff --git a/honey/mesh.lua b/honey/mesh.lua
new file mode 100644
index 0000000..430d5c3
--- /dev/null
+++ b/honey/mesh.lua
@@ -0,0 +1,95 @@
+local mesh = {}
+local gl = honey.gl
+setmetatable(mesh, {__index=_G})
+setfenv(1, mesh)
+
+
+local function insertVertex(vertices, attrib, vertex)
+	local pos = 3*vertex.v_idx
+	for i=1,3 do
+		table.insert(vertices, attrib.vertices[pos+i])
+	end
+
+	local normal = 3*vertex.vn_idx
+	for i=1,3 do
+		table.insert(vertices, attrib.normals[normal+i])
+	end
+
+	local tex = 3*vertex.vt_idx
+	for i=1,2 do
+		table.insert(vertices, attrib.texcoords[tex+i])
+	end
+end
+
+
+function loadShape(shape, attrib)
+	local vertices = {}
+	local indices = {}
+
+	local start = shape.face_offset
+	local finish = start + shape.length
+	for i=start,finish-1 do
+		assert(attrib.face_num_verts[i+1] == 3, "non-triangular face!")
+		for j=0,2 do
+			local vertex = attrib.faces[(3*i) + j + 1]
+			insertVertex(vertices, attrib, vertex)
+			table.insert(indices, #indices)
+		end
+	end
+
+	return vertices, indices
+end
+
+
+function loadFile(filename)
+	local flags = honey.tinyobj.FLAG_TRIANGULATE
+	local attrib, shapes, materials = honey.tinyobj.parse_obj(filename, flags)
+	
+	local meshes = {}
+	for _, shape in ipairs(shapes) do
+		local vertices, indices = loadShape(shape, attrib)
+		table.insert(meshes, Mesh(vertices, indices))
+	end
+	return meshes
+end
+
+
+Mesh = {}
+Mesh.__index = Mesh
+
+
+function Mesh.new(_, vertices, indices)
+	local self = {}
+	setmetatable(self, Mesh)
+
+	self.vertexArray = gl.GenVertexArrays()
+	self.vertexBuffer = gl.GenBuffers()
+	self.elementBuffer = gl.GenBuffers()
+	self.vertexCount = #indices
+
+	gl.BindVertexArray(self.vertexArray)
+	gl.BindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer)
+	gl.BufferData(gl.ARRAY_BUFFER, gl.FLOAT, vertices, gl.STATIC_DRAW)
+
+	gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.elementBuffer)
+	gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, gl.UNSIGNED_INT, indices, gl.STATIC_DRAW)
+
+	gl.VertexAttribPointer(0, 3, false, 8, 0)
+	gl.EnableVertexAttribArray(0)
+	gl.VertexAttribPointer(1, 3, false, 8, 3)
+	gl.EnableVertexAttribArray(1)
+	gl.VertexAttribPointer(2, 2, false, 8, 6)
+	gl.EnableVertexAttribArray(2)
+
+	return self
+end
+setmetatable(Mesh, {__call=Mesh.new})
+
+
+function Mesh.drawElements(self)
+	gl.BindVertexArray(self.vertexArray)
+	gl.DrawElements(gl.TRIANGLES, self.vertexCount, gl.UNSIGNED_INT, 0)
+end
+
+
+return mesh
diff --git a/honey/std.lua b/honey/std.lua
index 923c66a..78b2525 100644
--- a/honey/std.lua
+++ b/honey/std.lua
@@ -1,3 +1,13 @@
+local init = require 'honey.init'
 local window = require 'honey.window'
+local mesh = require 'honey.mesh'
+local Vec3 = require 'honey.vec3'
+local Mat4 = require 'honey.mat4'
+
+honey.init = init.init
+honey.terminate = init.terminate
 
 honey.Window = window.Window
+honey.mesh = mesh
+honey.Vec3 = Vec3
+honey.Mat4 = Mat4
diff --git a/honey/vec3.lua b/honey/vec3.lua
new file mode 100644
index 0000000..af9ac4b
--- /dev/null
+++ b/honey/vec3.lua
@@ -0,0 +1,170 @@
+local glm = honey.glm
+
+local vec3 = {}
+setmetatable(vec3, {__index=_G})
+setfenv(1, vec3)
+
+
+Vec3 = {}
+
+function Vec3.new(_, values)
+	local self = {}
+	self.data = glm.vec3_create()
+	setmetatable(self, Vec3)
+	if values then
+		self[1] = values[1]
+		self[2] = values[2]
+		self[3] = values[3]
+	end
+	return self
+end
+setmetatable(Vec3, {__call=Vec3.new})
+
+
+function Vec3.__index(self, key)
+	if type(key) == 'number' then
+		return glm.vec3_get(self.data, key-1)
+	else
+		return Vec3[key]
+	end
+end
+
+
+function Vec3.__newindex(self, key, value)
+	glm.vec3_set(self.data, key-1, value)
+end
+
+
+function Vec3.__tostring(self)
+	return string.format("[%.4f, %.4f, %.4f]", self[1], self[2], self[3])
+end
+
+
+--===== arithmetic =====--
+
+local function swapIfNumber(self, other)
+	if type(self) == "number" and type(other) == "table" then
+		return other, self
+	else
+		return self, other
+	end
+end
+
+
+function Vec3.__add(self, other)
+	local self, other = swapIfNumber(self, other)
+
+	local dest = Vec3()
+	if type(other) == "number" then
+		glm.vec3_adds(self.data, other, dest.data)
+	elseif type(other) == "table" then
+		glm.vec3_add(self.data, other.data, dest.data)
+	else
+		error(string.format("cannot add %s to Vec3", type(other)))
+	end
+	return dest
+end
+
+
+function Vec3.__sub(self, other)
+	local dest = Vec3()
+	if type(other) == "number" then
+		glm.vec3_subs(self.data, other, dest.data)
+	elseif type(other) == "table" then
+		glm.vec3_sub(self.data, other.data, dest.data)
+	else
+		error(string.format("cannot subtract %s from Vec3", type(other)))
+	end
+	return dest
+end
+
+
+function Vec3.__mul(self, other)
+	local self, other = swapIfNumber(self, other)
+	local dest = Vec3()
+	if type(other) == "number" then
+		glm.vec3_scale(self.data, other, dest.data)
+	elseif type(other) == "table" then
+		glm.vec3_mul(self.data, other.data, dest.data)
+	else
+		error(string.format("cannot multiply %s and Vec3", type(other)))
+	end
+	return dest
+end
+
+
+function Vec3.__div(self, other)
+	local dest = Vec3()
+	if type(other) == "number" then
+		glm.vec3_divs(self.data, other, dest.data)
+	elseif type(other) == "table" then
+		glm.vec3_div(self.data, other.data, dest.data)
+	else
+		error(string.format("cannot divide Vec3 by %s", type(other)))
+	end
+	return dest
+end
+
+
+
+
+function Vec3.copyTo(self, dest)
+	glm.vec3_copy(self.data, dest.data)
+end
+
+
+function Vec3.zero(self)
+	glm.vec3_zero(self.data)
+end
+
+
+function Vec3.zero(self)
+	glm.vec3_zero(self.data)
+end
+function Vec3.one(self)
+	glm.vec3_one(self.data)
+end
+
+
+function Vec3.dot(self, other)
+	return glm.vec3_dot(self.data, other.data)
+end
+
+
+function Vec3.crossTo(self, other, dest)
+	glm.vec3_cross(self.data, other.data, dest.data)
+end
+function Vec3.cross(self, other)
+	local dest = Vec3()
+	self:crossTo(other, dest)
+	return dest
+end
+
+
+function Vec3.crossnTo(self, other, dest)
+	glm.vec3_crossn(self.data, other.data, dest.data)
+end
+function Vec3.crossn(self, other)
+	local dest = Vec3()
+	self:crossTo(other, dest)
+	return dest
+end
+
+
+function Vec3.norm2(self)
+	return glm.vec3_norm2(self.data)
+end
+function Vec3.norm(self)
+	return glm.vec3_norm(self.data)
+end
+
+
+function Vec3.normalize(self)
+	glm.vec3_normalize(self.data)
+end
+function Vec3.normalizeTo(self, dest)
+	glm.vec3_normalize_to(self.data, dest.data)
+end
+
+
+return vec3.Vec3
diff --git a/honey/window.lua b/honey/window.lua
index 204f8e4..35e04ac 100644
--- a/honey/window.lua
+++ b/honey/window.lua
@@ -17,7 +17,6 @@ function Window.new(_, width, height, title, monitor, share)
 
 	self.win = glfw.CreateWindow(width, height, title, monitor, share)
 	self.__gc = honey.util.gc_canary(function()
-		print("destroying window " .. tostring(self.win))
 		glfw.DestroyWindow(self.win)
 	end)
 
@@ -149,7 +148,7 @@ function Window.setContentScaleCallback(self, cb)
 end
 
 
-function Window.SwapBuffers(self)
+function Window.swapBuffers(self)
 	glfw.SwapBuffers(self.win)
 end
 
diff --git a/main.lua b/main.lua
index 991e8d1..95068eb 100644
--- a/main.lua
+++ b/main.lua
@@ -1,10 +1,126 @@
 require 'honey.std'
 
 
-honey.glfw.Init()
-local window = honey.Window(640, 480, "geometry")
+local glfw = honey.glfw
+local gl = honey.gl
+local Vec3 = honey.Vec3
+local Mat4 = honey.Mat4
+
+
+local window = honey.init()
+gl.Enable(gl.DEPTH_TEST)
+
+
+local model = Mat4()
+model:identity()
+
+local view = Mat4()
+view:identity()
+view:translate(Vec3{0, 0, -3})
+
+local projection = Mat4()
+projection:perspective(math.rad(45), 640/480, 0.1, 100)
+
+
+local vertexShaderSource = [[
+#version 410 core
+layout (location = 0) in vec3 in_position;
+layout (location = 1) in vec3 in_normal;
+layout (location = 2) in vec2 in_tex;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+out vec3 position;
+out vec3 normal;
+out vec2 tex;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(in_position, 1.0);
+    position = in_position;
+    //normal = vec3(model * vec4(in_normal, 1.0f));
+    normal = in_normal;
+    tex = in_tex;
+}
+]]
+
+local fragmentShaderSource = [[
+#version 410 core
+out vec4 FragColor;
+
+in vec3 position;
+in vec3 normal;
+in vec2 tex;
+
+uniform sampler2D ourTexture;
+
+void main()
+{
+    FragColor = vec4(normal, 1.0f);
+    //FragColor = vec4(tex, 1.0f, 1.0f);
+    //FragColor = texture(ourTexture, TexCoord);
+}
+]]
+
+-- vertex shader
+local vertexShader = gl.CreateShader(gl.VERTEX_SHADER)
+gl.ShaderSource(vertexShader, vertexShaderSource)
+gl.CompileShader(vertexShader)
+
+-- fragment shader
+local fragmentShader = gl.CreateShader(gl.FRAGMENT_SHADER)
+gl.ShaderSource(fragmentShader, fragmentShaderSource)
+gl.CompileShader(fragmentShader)
+
+-- link
+local shader = gl.CreateProgram()
+gl.AttachShader(shader, vertexShader)
+gl.AttachShader(shader, fragmentShader)
+gl.LinkProgram(shader)
+-- clean up
+gl.DeleteShader(vertexShader)
+gl.DeleteShader(fragmentShader)
+
+
+local mesh = honey.mesh.loadFile("assets/tetrahedron.obj")[1]
+--local mesh = honey.mesh.Mesh(
+--	{
+--		0, 0, 0,    0, 0, 1,   0, 0,
+--		1, 0, 0,    0, 0, 1,   1, 0,
+--		0, 1, 0,    0, 0, 1,   0, 1,
+--	},
+--	{ 0, 2, 1 }
+--)
+
+
 
 while not window:shouldClose() do
-	print(window:getSize())
-	honey.glfw.PollEvents()
+	local time = glfw.GetTime()
+	model:identity()
+	model:rotateY(0.5 * math.pi * time)
+	model:rotateX(0.05 * math.pi * time)
+	--model:scale(0.2 * Vec3{1, 1, 1})
+
+	gl.ClearColor(0.2, 0.4, 1.0, 1.0)
+	gl.Clear(gl.COLOR_BUFFER_BIT + gl.DEPTH_BUFFER_BIT)
+
+	gl.UseProgram(shader)
+
+	local modelLocation = gl.GetUniformLocation(shader, "model")
+	local viewLocation = gl.GetUniformLocation(shader, "view")
+	local projectionLocation = gl.GetUniformLocation(shader, "projection")
+
+	gl.UniformMatrix4fv(modelLocation, false, model.data)
+	gl.UniformMatrix4fv(viewLocation, false, view.data)
+	gl.UniformMatrix4fv(projectionLocation, false, projection.data)
+
+	mesh:drawElements()
+
+
+	window:swapBuffers()
+	glfw.PollEvents()
 end
+
+honey.terminate()