simple loops, simple drawing, simple messaging, simple events, direction and turning, pen shade, simple motion, delays, pen size, program control, visibility, pen color, input/output, basic math
- welcome to spiral-orbit. wait a few seconds to see your results! just sit back, watch the show, and prepare for the final!
- this is your spiral-orbit masterpeice!
- background scene - graph paper
- Ship - good guy ship A3
- blue ball - blue ball
- laser blue - laser blue
- explosion - explosion1