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CPSC 203 Tutorial

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# CPSC 203 Tutorial - PowerPoint PPT Presentation

CPSC 203 Tutorial. Xin November 22, 2010. Exercise. start. Skater turns towards skater2. Skater2 turns towards skater. Skater moves to pose 2. Skater2 moves to pose 2. Bunny move up by 0.5m. Bunny turns legs. Skater moves to pose 3. Skater2 moves to pose 3. Bunny move down.

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### CPSC 203 Tutorial

Xin

November 22, 2010

Exercise

start

Skater turns towards skater2

Skater2 turns towards skater

Skater moves to pose 2

Skater2 moves to pose 2

Bunny move up by 0.5m

Bunny turns legs

Skater moves to pose 3

Skater2 moves to pose 3

Bunny move down

Bunny turns legs back

end

Conditional expression
• The condition must be a Boolean value, i.e., True or False.
• Use lab3If1.a2w for practice
Using relational operators
• ==, !=, >, >=, <, <=

Hare’s height <= 2

True

False

Husky scratch ears

Husky barks 2 seconds

Husky walks circles equal to hare’s height

randomness
• Set the hare’s size to a random size at the beginning
• Set the random value between .1 and 1.5
Repeatation
• Use lab3Rep.a2w

Kick left leg

Point Cannon forward

Resize by 0.9

While loops
• Terminate the loop when certain condition is satisfied
Exercise
• Revise the program so that the robot stops when its height > 1
• Add a fighter to your world
• Revise your program, so that the fighter is enlarged by 1.2 while the robot is moving, until the fighter is larger than the robot.
• The fighter move downwards by half its distance above the robot.