pngs 180 120 hw5trackroll2- 30 fps 8 div t f l # angle from 0 to 360, with cos and sin of it mul angle t 360 cos c angle mul x c 5 mul ang2 angle 2 sin s ang2 add z s -5 cos c2 ang2 mul c3 c2 4 mul s2 s 4 add s3 s2 -5 # Set a 3-by-2 aspect ratio, 90° field-of-view in Y, near plane at 0.1, far plane at 10 loadp 0.6666666666666 0 0 0 0 1 0 0 0 0 -1.02020202020202 -0.20202020202020202 0 0 -1 0 object box world position x -3 z xyz -0.5 -0.5 -0.5 xyz -0.5 -0.5 0.5 xyz -0.5 0.5 -0.5 xyz -0.5 0.5 0.5 xyz 0.5 -0.5 -0.5 xyz 0.5 -0.5 0.5 xyz 0.5 0.5 -0.5 xyz 0.5 0.5 0.5 color 0 0.5 0.5 trif 1 2 3 trif 2 3 4 color 1 0.5 0.5 trif 5 6 7 trif 6 7 8 color 0.5 0 0.5 trif 1 2 5 trif 2 5 6 color 0.5 1 0.5 trif 3 4 7 trif 4 7 8 color 0.5 0.5 0 trif 1 3 5 trif 3 5 7 color 0.5 0.5 1 trif 2 4 6 trif 4 6 8 object box2 world position c3 4 s3 xyz -0.5 -0.5 -0.5 xyz -0.5 -0.5 0.5 xyz -0.5 0.5 -0.5 xyz -0.5 0.5 0.5 xyz 0.5 -0.5 -0.5 xyz 0.5 -0.5 0.5 xyz 0.5 0.5 -0.5 xyz 0.5 0.5 0.5 color 0 0.5 0.5 trif 1 2 3 trif 2 3 4 color 1 0.5 0.5 trif 5 6 7 trif 6 7 8 color 0.5 0 0.5 trif 1 2 5 trif 2 5 6 color 0.5 1 0.5 trif 3 4 7 trif 4 7 8 color 0.5 0.5 0 trif 1 3 5 trif 3 5 7 color 0.5 0.5 1 trif 2 4 6 trif 4 6 8 object dummy world position 0 0 0 object t1 world position 0 3 -5 quaternion c s z ang2 bone 3 trackroll box +x box2 xyz -0.3 -0.3 0 xyz -0.3 0.3 3 xyz 0.3 -0.3 3 xyz 0.3 0.3 0 color 0 0.5 0 trif 1 2 3 color 1 0 0 trif 2 3 4 color 0.5 0 1 trif 3 4 1 color 0 0.25 1 trif 4 1 2 object tip t1 position 0 0 3 object t2 t1 position 0 1 0 quaternion c s z ang2 bone 3 trackroll box -x dummy xyz -0.3 -0.3 0 xyz -0.3 0.3 3 xyz 0.3 -0.3 3 xyz 0.3 0.3 0 color 0 0.5 0 trif 1 2 3 color 1 0 0 trif 2 3 4 color 0.5 0 1 trif 3 4 1 color 0 0.25 1 trif 4 1 2 object t3 t2 position 0 -2 0 quaternion c s z ang2 bone 3 trackroll tip +y box2 xyz -0.3 -0.3 0 xyz -0.3 0.3 3 xyz 0.3 -0.3 3 xyz 0.3 0.3 0 color 0 0.5 0 trif 1 2 3 color 1 0 0 trif 2 3 4 color 0.5 0 1 trif 3 4 1 color 0 0.25 1 trif 4 1 2 object t4 t3 position -1 0 0 quaternion c s z ang2 bone 3 trackroll box -y dummy xyz -0.3 -0.3 0 xyz -0.3 0.3 3 xyz 0.3 -0.3 3 xyz 0.3 0.3 0 color 0 0.5 0 trif 1 2 3 color 1 0 0 trif 2 3 4 color 0.5 0 1 trif 3 4 1 color 0 0.25 1 trif 4 1 2