add ported 3d spinning object app
James Smith
parent
627ab26fc3
commit
c58c9f7cc0
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@ -0,0 +1,50 @@
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# Exported from Wings 3D 1.5.4
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mtllib coriolis.mtl
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o Cube1
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#12 vertices, 14 faces
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v -1.00000000 -1.00000000 0.0000000e+0
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v -1.00000000 0.0000000e+0 -1.00000000
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v 0.0000000e+0 -1.00000000 -1.00000000
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v -1.00000000 0.0000000e+0 1.00000000
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v 0.0000000e+0 -1.00000000 1.00000000
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v 0.0000000e+0 1.00000000 -1.00000000
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v -1.00000000 1.00000000 0.0000000e+0
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v 0.0000000e+0 1.00000000 1.00000000
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v 1.00000000 -1.00000000 0.0000000e+0
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v 1.00000000 0.0000000e+0 -1.00000000
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v 1.00000000 0.0000000e+0 1.00000000
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v 1.00000000 1.00000000 0.0000000e+0
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v 0.2 0.1 1.01
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v 0.2 -0.1 1.01
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v -0.2 -0.1 1.01
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v -0.2 0.1 1.01
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vn -0.70710678 -0.70710678 0.0000000e+0
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vn -0.70710678 0.0000000e+0 -0.70710678
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vn 0.0000000e+0 -0.70710678 -0.70710678
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vn -0.70710678 0.0000000e+0 0.70710678
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vn 0.0000000e+0 -0.70710678 0.70710678
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vn 0.0000000e+0 0.70710678 -0.70710678
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vn -0.70710678 0.70710678 0.0000000e+0
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vn 0.0000000e+0 0.70710678 0.70710678
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vn 0.70710678 -0.70710678 0.0000000e+0
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vn 0.70710678 0.0000000e+0 -0.70710678
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vn 0.70710678 0.0000000e+0 0.70710678
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vn 0.70710678 0.70710678 0.0000000e+0
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g Cube1_default
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usemtl default
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s 1
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f 1//1 2//2 3//3
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f 1//1 4//4 7//7 2//2
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f 1//1 5//5 4//4
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f 2//2 6//6 10//10 3//3
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f 2//2 7//7 6//6
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f 3//3 9//9 5//5 1//1
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f 3//3 10//10 9//9
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f 4//4 8//8 7//7
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f 5//5 9//9 11//11
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f 5//5 11//11 8//8 4//4
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f 6//6 12//12 10//10
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f 7//7 8//8 12//12 6//6
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f 8//8 11//11 12//12
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f 10//10 12//12 11//11 9//9
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f 16 15 14 13
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@ -0,0 +1,29 @@
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# Exported from Wings 3D 1.5.4
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mtllib cube.mtl
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o Cube1
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#8 vertices, 6 faces
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v -1.00000000 -1.00000000 -1.00000000
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v -1.00000000 -1.00000000 1.00000000
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v -1.00000000 1.00000000 -1.00000000
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v -1.00000000 1.00000000 1.00000000
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v 1.00000000 -1.00000000 -1.00000000
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v 1.00000000 -1.00000000 1.00000000
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v 1.00000000 1.00000000 -1.00000000
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v 1.00000000 1.00000000 1.00000000
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vn -0.57735027 -0.57735027 -0.57735027
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vn -0.57735027 -0.57735027 0.57735027
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vn -0.57735027 0.57735027 -0.57735027
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vn -0.57735027 0.57735027 0.57735027
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vn 0.57735027 -0.57735027 -0.57735027
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vn 0.57735027 -0.57735027 0.57735027
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vn 0.57735027 0.57735027 -0.57735027
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vn 0.57735027 0.57735027 0.57735027
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g Cube1_default
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usemtl default
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s 1
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f 1//1 5//5 6//6 2//2
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f 2//2 4//4 3//3 1//1
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f 2//2 6//6 8//8 4//4
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f 3//3 7//7 5//5 1//1
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f 4//4 8//8 7//7 3//3
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f 5//5 7//7 8//8 6//6
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@ -0,0 +1,59 @@
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# Exported from Wings 3D 1.5.4
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mtllib dodecahedron.mtl
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o dodecahedron1
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#20 vertices, 12 faces
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v -0.50000000 0.0000000e+0 1.30901699
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v 0.50000000 0.0000000e+0 1.30901699
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v -0.80901699 -0.80901699 -0.80901699
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v -0.80901699 -0.80901699 0.80901699
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v -0.80901699 0.80901699 -0.80901699
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v -0.80901699 0.80901699 0.80901699
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v 0.80901699 -0.80901699 -0.80901699
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v 0.80901699 -0.80901699 0.80901699
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v 0.80901699 0.80901699 -0.80901699
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v 0.80901699 0.80901699 0.80901699
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v 1.30901699 0.50000000 0.0000000e+0
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v 1.30901699 -0.50000000 0.0000000e+0
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v -1.30901699 0.50000000 0.0000000e+0
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v -1.30901699 -0.50000000 0.0000000e+0
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v -0.50000000 0.0000000e+0 -1.30901699
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v 0.50000000 0.0000000e+0 -1.30901699
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v 0.0000000e+0 1.30901699 0.50000000
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v 0.0000000e+0 1.30901699 -0.50000000
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v 0.0000000e+0 -1.30901699 0.50000000
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v 0.0000000e+0 -1.30901699 -0.50000000
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vn -0.35682209 0.0000000e+0 0.93417236
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vn 0.35682209 0.0000000e+0 0.93417236
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vn -0.57735027 -0.57735027 -0.57735027
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vn -0.57735027 -0.57735027 0.57735027
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vn -0.57735027 0.57735027 -0.57735027
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vn -0.57735027 0.57735027 0.57735027
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vn 0.57735027 -0.57735027 -0.57735027
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vn 0.57735027 -0.57735027 0.57735027
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vn 0.57735027 0.57735027 -0.57735027
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vn 0.57735027 0.57735027 0.57735027
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vn 0.93417236 0.35682209 0.0000000e+0
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vn 0.93417236 -0.35682209 0.0000000e+0
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vn -0.93417236 0.35682209 0.0000000e+0
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vn -0.93417236 -0.35682209 0.0000000e+0
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vn -0.35682209 0.0000000e+0 -0.93417236
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vn 0.35682209 0.0000000e+0 -0.93417236
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vn 0.0000000e+0 0.93417236 0.35682209
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vn 0.0000000e+0 0.93417236 -0.35682209
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vn 0.0000000e+0 -0.93417236 0.35682209
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vn 0.0000000e+0 -0.93417236 -0.35682209
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g dodecahedron1_default
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usemtl default
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s 1
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f 1//1 4//4 19//19 8//8 2//2
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f 1//1 6//6 13//13 14//14 4//4
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f 2//2 10//10 17//17 6//6 1//1
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f 3//3 20//20 19//19 4//4 14//14
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f 5//5 18//18 9//9 16//16 15//15
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f 7//7 16//16 9//9 11//11 12//12
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f 8//8 12//12 11//11 10//10 2//2
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f 9//9 18//18 17//17 10//10 11//11
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f 12//12 8//8 19//19 20//20 7//7
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f 13//13 6//6 17//17 18//18 5//5
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f 14//14 13//13 5//5 15//15 3//3
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f 15//15 16//16 7//7 20//20 3//3
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@ -0,0 +1,51 @@
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# Exported from Wings 3D 1.5.4
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mtllib icosahedron.mtl
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o icosahedron1
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#12 vertices, 20 faces
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v 0.0000000e+0 1.90211303 0.0000000e+0
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v 1.70130162 0.85065081 0.0000000e+0
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v 0.52573111 0.85065081 1.61803399
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v -1.37638192 0.85065081 1.00000000
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v -1.37638192 0.85065081 -1.00000000
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v 0.52573111 0.85065081 -1.61803399
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v -1.70130162 -0.85065081 0.0000000e+0
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v -0.52573111 -0.85065081 -1.61803399
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v 1.37638192 -0.85065081 -1.00000000
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v 1.37638192 -0.85065081 1.00000000
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v -0.52573111 -0.85065081 1.61803399
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v 0.0000000e+0 -1.90211303 0.0000000e+0
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vn 2.7942283e-17 1.00000000 -1.3971142e-17
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vn 0.89442719 0.44721360 0.0000000e+0
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vn 0.27639320 0.44721360 0.85065081
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vn -0.72360680 0.44721360 0.52573111
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vn -0.72360680 0.44721360 -0.52573111
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vn 0.27639320 0.44721360 -0.85065081
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vn -0.89442719 -0.44721360 0.0000000e+0
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vn -0.27639320 -0.44721360 -0.85065081
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vn 0.72360680 -0.44721360 -0.52573111
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vn 0.72360680 -0.44721360 0.52573111
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vn -0.27639320 -0.44721360 0.85065081
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vn -4.1913425e-17 -1.00000000 0.0000000e+0
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g icosahedron1_default
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usemtl default
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s 1
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f 1//1 3//3 2//2
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f 1//1 4//4 3//3
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f 1//1 5//5 4//4
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f 1//1 6//6 5//5
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f 2//2 6//6 1//1
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f 2//2 9//9 6//6
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f 2//2 10//10 9//9
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f 3//3 10//10 2//2
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f 3//3 11//11 10//10
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f 4//4 11//11 3//3
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f 5//5 7//7 4//4
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f 5//5 8//8 7//7
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f 6//6 8//8 5//5
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f 6//6 9//9 8//8
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f 7//7 11//11 4//4
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f 7//7 12//12 11//11
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f 8//8 12//12 7//7
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f 9//9 12//12 8//8
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f 10//10 12//12 9//9
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f 11//11 12//12 10//10
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@ -0,0 +1,359 @@
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"""3d rotating polyhedra. 2016 badge competition winner, ported for 2018!"""
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___name___ = "3D Spin"
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___license___ = "MIT"
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___categories___ = ["Demo"]
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___dependencies___ = ["app", "ugfx_helper", "random", "sleep", "buttons"]
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import ugfx
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from tilda import Buttons
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import math
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from uos import listdir
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import time
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# from imu import IMU
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import gc
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# import pyb
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app_path = './3dspin'
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from math import sqrt
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class Vector3D:
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def __init__(self, x=0.0, y=0.0, z=0.0):
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self.x = x
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self.y = y
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self.z = z
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def magnitude(self):
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return sqrt(self.x*self.x+self.y*self.y+self.z*self.z)
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def __sub__(self, v):
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return Vector3D(self.x-v.x, self.y-v.y, self.z-v.z)
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def normalize(self):
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mag = self.magnitude()
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if (mag > 0.0):
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self.x /= mag
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self.y /= mag
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self.z /= mag
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else:
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raise Exception('*** Vector: error, normalizing zero vector! ***')
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def cross(self, v): #cross product
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return Vector3D(self.y*v.z-self.z*v.y, self.z*v.x-self.x*v.z, self.x*v.y-self.y*v.x)
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#The layout of the matrix (row- or column-major) matters only when the user reads from or writes to the matrix (indexing). For example in the multiplication function we know that the first components of the Matrix-vectors need to be multiplied by the vector. The memory-layout is not important
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class Matrix:
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''' Column-major order '''
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def __init__(self, createidentity=True):# (2,2) creates a 2*2 Matrix
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# if rows < 2 or cols < 2:
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# raise Exception('*** Matrix: error, getitem((row, col)), row, col problem! ***')
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self.rows = 4
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self.cols = 4
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self.m = [[0.0]*self.rows for x in range(self.cols)]
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#If quadratic matrix then create identity one
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if createidentity:
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for i in range(self.rows):
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self.m[i][i] = 1.0
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def mul(self, right):
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if isinstance(right, Matrix):
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r = Matrix(False)
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for i in range(self.rows):
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for j in range(right.cols):
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for k in range(self.cols):
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r.m[i][j] += self.m[i][k]*right.m[k][j]
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return r
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elif isinstance(right, Vector3D): #Translation: the last column of the matrix. Remains unchanged due to the the fourth coord of the vector (1).
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# if self.cols == 4:
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r = Vector3D()
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addx = addy = addz = 0.0
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if self.rows == self.cols == 4:
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addx = self.m[0][3]
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addy = self.m[1][3]
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addz = self.m[2][3]
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r.x = self.m[0][0]*right.x+self.m[0][1]*right.y+self.m[0][2]*right.z+addx
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r.y = self.m[1][0]*right.x+self.m[1][1]*right.y+self.m[1][2]*right.z+addy
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r.z = self.m[2][0]*right.x+self.m[2][1]*right.y+self.m[2][2]*right.z+addz
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#In 3D game programming we use homogenous coordinates instead of cartesian ones in case of Vectors in order to be able to use them with a 4*4 Matrix. The 4th coord (w) is not included in the Vector-class but gets computed on the fly
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w = self.m[3][0]*right.x+self.m[3][1]*right.y+self.m[3][2]*right.z+self.m[3][3]
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if (w != 1 and w != 0):
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r.x = r.x/w;
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r.y = r.y/w;
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r.z = r.z/w;
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return r
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else:
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raise Exception('*** Matrix: error, matrix multiply with not matrix, vector or int or float! ***')
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def loadObject(filename):
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print(filename)
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if (".obj" in filename):
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loadObj(filename)
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if (".dat" in filename):
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loadDat(filename)
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def loadDat(filename):
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global obj_vertices
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global obj_faces
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obj_vertices = []
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obj_faces = []
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f = open(app_path + "/" + filename)
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for line in f:
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if line[:2] == "v ":
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parts = line.split(" ")
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obj_vertices.append(
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Vector3D(
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float(parts[1]),
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float(parts[2]),
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float(parts[3])
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)
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)
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gc.collect()
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elif line[:2] == "f ":
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parts = line.split(" ")
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face = []
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for part in parts[1:]:
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face.append(int(part.split("/",1)[0])-1)
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obj_faces.append(face)
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gc.collect()
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f.close()
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def loadObj(filename):
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global obj_vertices
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global obj_faces
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obj_vertices = []
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obj_faces = []
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f = open(app_path + "/" + filename)
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for line in f:
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if line[:2] == "v ":
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parts = line.split(" ")
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obj_vertices.append(
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Vector3D(
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float(parts[1]),
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float(parts[2]),
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float(parts[3])
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)
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)
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gc.collect()
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elif line[:2] == "f ":
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parts = line.split(" ")
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face = []
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for part in parts[1:]:
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face.append(int(part.split("/",1)[0])-1)
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obj_faces.append(face)
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gc.collect()
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f.close()
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def toScreenCoords(pv):
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px = int((pv.x+1)*0.5*240)
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py = int((1-(pv.y+1)*0.5)*320)
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return [px, py]
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def createCameraMatrix(x,y,z):
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camera_transform = Matrix()
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camera_transform.m[0][3] = x
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camera_transform.m[1][3] = y
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camera_transform.m[2][3] = z
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return camera_transform
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def createProjectionMatrix(horizontal_fov, zfar, znear):
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s = 1/(math.tan(math.radians(horizontal_fov/2)))
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proj = Matrix()
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proj.m[0][0] = s * (320/240) # inverse aspect ratio
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proj.m[1][1] = s
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proj.m[2][2] = -zfar/(zfar-znear)
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proj.m[3][2] = -1.0
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proj.m[2][3] = -(zfar*znear)/(zfar-znear)
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return proj
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def createRotationMatrix(x_rotation, y_rotation, z_rotation):
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rot_x = Matrix()
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rot_x.m[1][1] = rot_x.m[2][2] = math.cos(x_rotation)
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rot_x.m[2][1] = math.sin(x_rotation)
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rot_x.m[1][2] = -rot_x.m[2][1]
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rot_y = Matrix()
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rot_y.m[0][0] = rot_y.m[2][2] = math.cos(y_rotation)
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rot_y.m[0][2] = math.sin(y_rotation)
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rot_y.m[2][0] = -rot_y.m[0][2]
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rot_z = Matrix()
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rot_z.m[0][0] = rot_z.m[1][1] = math.cos(z_rotation)
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rot_z.m[1][0] = math.sin(z_rotation)
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rot_z.m[0][1] = -rot_z.m[1][0]
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return rot_z.mul(rot_x).mul(rot_y)
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def normal(face, vertices, normalize = True):
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# Work out the face normal for lighting
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normal = (vertices[face[1]]-vertices[face[0]]).cross(vertices[face[2]]-vertices[face[0]])
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if normalize == True:
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normal.normalize()
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return normal
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def clear_screen():
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# Selectively clear the screen by re-rendering the previous frame in black
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||||
global last_polygons
|
||||
global last_mode
|
||||
for poly in last_polygons:
|
||||
if last_mode == FLAT:
|
||||
ugfx.fill_polygon(0,0, poly, ugfx.BLACK)
|
||||
ugfx.polygon(0,0, poly, ugfx.BLACK)
|
||||
|
||||
def render(mode, rotation):
|
||||
# Rotate all the vertices in one go
|
||||
vertices = [rotation.mul(vertex) for vertex in obj_vertices]
|
||||
# Calculate normal for each face (for lighting)
|
||||
if mode == FLAT:
|
||||
face_normal_zs = [normal(face, vertices).z for face in obj_faces]
|
||||
# Project (with camera) all the vertices in one go as well
|
||||
vertices = [camera_projection.mul(vertex) for vertex in vertices]
|
||||
# Calculate projected normals for each face
|
||||
if mode != WIREFRAME:
|
||||
proj_normal_zs = [normal(face, vertices, False).z for face in obj_faces]
|
||||
# Convert to screen coordinates all at once
|
||||
# We could do this faster by only converting vertices that are
|
||||
# in faces that will be need rendered, but it's likely that test
|
||||
# would take longer.
|
||||
vertices = [toScreenCoords(v) for v in vertices]
|
||||
# Render the faces to the screen
|
||||
vsync()
|
||||
clear_screen()
|
||||
|
||||
global last_polygons
|
||||
global last_mode
|
||||
last_polygons = []
|
||||
last_mode = mode
|
||||
|
||||
for index in range(len(obj_faces)):
|
||||
# Only render things facing towards us (unless we're in wireframe mode)
|
||||
if (mode == WIREFRAME) or (proj_normal_zs[index] > 0):
|
||||
# Convert polygon
|
||||
poly = [vertices[v] for v in obj_faces[index]]
|
||||
# Calculate colour and render
|
||||
ugcol = ugfx.WHITE
|
||||
if mode == FLAT:
|
||||
# Simple lighting calculation
|
||||
colour5 = int(face_normal_zs[index] * 31)
|
||||
colour6 = int(face_normal_zs[index] * 63)
|
||||
# Create a 5-6-5 grey
|
||||
ugcol = (colour5 << 11) | (colour6 << 5) | colour5
|
||||
# Render polygon
|
||||
ugfx.fill_polygon(0,0, poly, ugcol)
|
||||
# Always draw the wireframe in the same colour to fill gaps left by the
|
||||
# fill_polygon method
|
||||
ugfx.polygon(0,0, poly, ugcol)
|
||||
last_polygons.append(poly)
|
||||
|
||||
def vsync():
|
||||
None
|
||||
# while(tear.value() == 0):
|
||||
# pass
|
||||
# while(tear.value()):
|
||||
# pass
|
||||
|
||||
def calculateRotation(smoothing, accelerometer):
|
||||
# Keep a list of recent rotations to smooth things out
|
||||
global x_rotation
|
||||
global z_rotation
|
||||
# First, pop off the oldest rotation
|
||||
# if len(x_rotations) >= smoothing:
|
||||
# x_rotations = x_rotations[1:]
|
||||
# if len(z_rotations) >= smoothing:
|
||||
# z_rotations = z_rotations[1:]
|
||||
# Now append a new rotation
|
||||
pi_2 = math.pi / 2
|
||||
#x_rotations.append(-accelerometer['z'] * pi_2)
|
||||
#z_rotations.append(accelerometer['x'] * pi_2)
|
||||
# Calculate rotation matrix
|
||||
return createRotationMatrix(
|
||||
# this averaging isn't correct in the first <smoothing> frames, but who cares
|
||||
math.radians(x_rotation),
|
||||
math.radians(y_rotation),
|
||||
math.radians(z_rotation)
|
||||
)
|
||||
print("Hello 3DSpin")
|
||||
|
||||
# Initialise hardware
|
||||
ugfx.init()
|
||||
ugfx.clear(ugfx.BLACK)
|
||||
# imu=IMU()
|
||||
# buttons.init()
|
||||
|
||||
# Enable tear detection for vsync
|
||||
# ugfx.enable_tear()
|
||||
# tear = pyb.Pin("TEAR", pyb.Pin.IN)
|
||||
#ugfx.set_tear_line(1)
|
||||
|
||||
print("Graphics initalised")
|
||||
|
||||
# Set up static rendering matrices
|
||||
camera_transform = createCameraMatrix(0, 0, -5.0)
|
||||
proj = createProjectionMatrix(45.0, 100.0, 0.1)
|
||||
camera_projection = proj.mul(camera_transform)
|
||||
|
||||
print("Camera initalised")
|
||||
|
||||
# Get the list of available objects, and load the first one
|
||||
obj_vertices = []
|
||||
obj_faces = []
|
||||
print("available objects: {}", listdir(app_path))
|
||||
objects = [x for x in listdir(app_path) if (((".obj" in x) | (".dat" in x)) & (x[0] != "."))]
|
||||
selected = 0
|
||||
loadObject(objects[selected])
|
||||
|
||||
print("loaded object {}", objects[selected])
|
||||
|
||||
# Set up rotation tracking arrays
|
||||
x_rotation = 0
|
||||
z_rotation = 0
|
||||
y_rotation = 0
|
||||
# Smooth rotations over 5 frames
|
||||
smoothing = 5
|
||||
|
||||
# Rendering modes
|
||||
BACKFACECULL = 1
|
||||
FLAT = 2
|
||||
WIREFRAME = 3
|
||||
# Start with backface culling mode
|
||||
mode = BACKFACECULL
|
||||
|
||||
last_polygons = []
|
||||
last_mode = WIREFRAME
|
||||
|
||||
# Main loop
|
||||
run = True
|
||||
while run:
|
||||
gc.collect()
|
||||
# Render the scene
|
||||
render(
|
||||
mode,
|
||||
calculateRotation(smoothing, None)
|
||||
)
|
||||
# Button presses
|
||||
y_rotation += 5
|
||||
x_rotation += 3
|
||||
z_rotation += 1
|
||||
if Buttons.is_pressed(Buttons.JOY_Left):
|
||||
y_rotation -= 5
|
||||
if Buttons.is_pressed(Buttons.JOY_Right):
|
||||
y_rotation += 5
|
||||
if Buttons.is_pressed(Buttons.JOY_Center):
|
||||
y_rotation = 0
|
||||
if Buttons.is_pressed(Buttons.BTN_B):
|
||||
selected += 1
|
||||
if selected >= len(objects):
|
||||
selected = 0
|
||||
loadObject(objects[selected])
|
||||
time.sleep_ms(500) # Wait a while to avoid skipping ahead if the user still has the button down
|
||||
if Buttons.is_pressed(Buttons.BTN_A):
|
||||
mode += 1
|
||||
if mode > 3:
|
||||
mode = 1
|
||||
time.sleep_ms(500) # Wait a while to avoid skipping ahead if the user still has the button down
|
||||
if Buttons.is_pressed(Buttons.BTN_Menu):
|
||||
run = False
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
# Exported from Wings 3D 2.0.5
|
||||
mtllib octohedron.mtl
|
||||
o octahedron1
|
||||
#6 vertices, 8 faces
|
||||
v 2.00000000 0.0000000e+0 0.0000000e+0
|
||||
v -2.00000000 0.0000000e+0 0.0000000e+0
|
||||
v 0.0000000e+0 2.00000000 0.0000000e+0
|
||||
v 0.0000000e+0 -2.00000000 0.0000000e+0
|
||||
v 0.0000000e+0 0.0000000e+0 2.00000000
|
||||
v 0.0000000e+0 0.0000000e+0 -2.00000000
|
||||
vn 1.00000000 0.0000000e+0 0.0000000e+0
|
||||
vn -1.00000000 0.0000000e+0 0.0000000e+0
|
||||
vn 0.0000000e+0 1.00000000 0.0000000e+0
|
||||
vn 0.0000000e+0 -1.00000000 0.0000000e+0
|
||||
vn 0.0000000e+0 0.0000000e+0 1.00000000
|
||||
vn 0.0000000e+0 0.0000000e+0 -1.00000000
|
||||
g octahedron1_default
|
||||
usemtl default
|
||||
s 1
|
||||
f 1//1 5//5 4//4
|
||||
f 1//1 6//6 3//3
|
||||
f 2//2 5//5 3//3
|
||||
f 2//2 6//6 4//4
|
||||
f 3//3 5//5 1//1
|
||||
f 3//3 6//6 2//2
|
||||
f 4//4 5//5 2//2
|
||||
f 4//4 6//6 1//1
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
# Exported from Wings 3D 2.0.5
|
||||
mtllib octoad.mtl
|
||||
o octotoad1
|
||||
#24 vertices, 26 faces
|
||||
v 1.66800000 0.55600000 0.55600000
|
||||
v 1.66800000 0.55600000 -0.55600000
|
||||
v 1.66800000 -0.55600000 0.55600000
|
||||
v 1.66800000 -0.55600000 -0.55600000
|
||||
v -1.66800000 0.55600000 0.55600000
|
||||
v -1.66800000 0.55600000 -0.55600000
|
||||
v -1.66800000 -0.55600000 0.55600000
|
||||
v -1.66800000 -0.55600000 -0.55600000
|
||||
v 0.55600000 1.66800000 0.55600000
|
||||
v 0.55600000 1.66800000 -0.55600000
|
||||
v 0.55600000 -1.66800000 0.55600000
|
||||
v 0.55600000 -1.66800000 -0.55600000
|
||||
v 0.55600000 0.55600000 1.66800000
|
||||
v 0.55600000 0.55600000 -1.66800000
|
||||
v 0.55600000 -0.55600000 1.66800000
|
||||
v 0.55600000 -0.55600000 -1.66800000
|
||||
v -0.55600000 1.66800000 0.55600000
|
||||
v -0.55600000 1.66800000 -0.55600000
|
||||
v -0.55600000 -1.66800000 0.55600000
|
||||
v -0.55600000 -1.66800000 -0.55600000
|
||||
v -0.55600000 0.55600000 1.66800000
|
||||
v -0.55600000 0.55600000 -1.66800000
|
||||
v -0.55600000 -0.55600000 1.66800000
|
||||
v -0.55600000 -0.55600000 -1.66800000
|
||||
vn 0.85476344 0.36700100 0.36700100
|
||||
vn 0.85476344 0.36700100 -0.36700100
|
||||
vn 0.85476344 -0.36700100 0.36700100
|
||||
vn 0.85476344 -0.36700100 -0.36700100
|
||||
vn -0.85476344 0.36700100 0.36700100
|
||||
vn -0.85476344 0.36700100 -0.36700100
|
||||
vn -0.85476344 -0.36700100 0.36700100
|
||||
vn -0.85476344 -0.36700100 -0.36700100
|
||||
vn 0.36700100 0.85476344 0.36700100
|
||||
vn 0.36700100 0.85476344 -0.36700100
|
||||
vn 0.36700100 -0.85476344 0.36700100
|
||||
vn 0.36700100 -0.85476344 -0.36700100
|
||||
vn 0.36700100 0.36700100 0.85476344
|
||||
vn 0.36700100 0.36700100 -0.85476344
|
||||
vn 0.36700100 -0.36700100 0.85476344
|
||||
vn 0.36700100 -0.36700100 -0.85476344
|
||||
vn -0.36700100 0.85476344 0.36700100
|
||||
vn -0.36700100 0.85476344 -0.36700100
|
||||
vn -0.36700100 -0.85476344 0.36700100
|
||||
vn -0.36700100 -0.85476344 -0.36700100
|
||||
vn -0.36700100 0.36700100 0.85476344
|
||||
vn -0.36700100 0.36700100 -0.85476344
|
||||
vn -0.36700100 -0.36700100 0.85476344
|
||||
vn -0.36700100 -0.36700100 -0.85476344
|
||||
g octotoad1_default
|
||||
usemtl default
|
||||
s 1
|
||||
f 1//1 3//3 4//4 2//2
|
||||
f 1//1 13//13 15//15 3//3
|
||||
f 2//2 10//10 9//9 1//1
|
||||
f 2//2 14//14 10//10
|
||||
f 3//3 11//11 12//12 4//4
|
||||
f 3//3 15//15 11//11
|
||||
f 4//4 16//16 14//14 2//2
|
||||
f 5//5 17//17 18//18 6//6
|
||||
f 5//5 21//21 17//17
|
||||
f 6//6 8//8 7//7 5//5
|
||||
f 6//6 22//22 24//24 8//8
|
||||
f 7//7 23//23 21//21 5//5
|
||||
f 8//8 20//20 19//19 7//7
|
||||
f 8//8 24//24 20//20
|
||||
f 9//9 13//13 1//1
|
||||
f 9//9 17//17 21//21 13//13
|
||||
f 10//10 18//18 17//17 9//9
|
||||
f 11//11 19//19 20//20 12//12
|
||||
f 12//12 16//16 4//4
|
||||
f 12//12 20//20 24//24 16//16
|
||||
f 13//13 21//21 23//23 15//15
|
||||
f 14//14 22//22 18//18 10//10
|
||||
f 15//15 23//23 19//19 11//11
|
||||
f 16//16 24//24 22//22 14//14
|
||||
f 18//18 22//22 6//6
|
||||
f 19//19 23//23 7//7
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
# Exported from Wings 3D 1.5.4
|
||||
mtllib tetrahedron.mtl
|
||||
o tetrahedron1
|
||||
#4 vertices, 4 faces
|
||||
v 0.0000000e+0 1.08866211 0.0000000e+0
|
||||
v 0.0000000e+0 -0.54433105 1.15470054
|
||||
v -1.00000000 -0.54433105 -0.57735027
|
||||
v 1.00000000 -0.54433105 -0.57735027
|
||||
vn 0.0000000e+0 1.00000000 -1.1102230e-16
|
||||
vn 0.0000000e+0 -0.33333333 0.94280904
|
||||
vn -0.81649658 -0.33333333 -0.47140452
|
||||
vn 0.81649658 -0.33333333 -0.47140452
|
||||
g tetrahedron1_default
|
||||
usemtl default
|
||||
s 1
|
||||
f 1//1 3//3 2//2
|
||||
f 1//1 4//4 3//3
|
||||
f 2//2 4//4 1//1
|
||||
f 3//3 4//4 2//2
|
||||
Loading…
Reference in New Issue