COMP3419 Graphics and Multimedia Assignment 1-b
(Semester 2, 2023)
Assignment 1-b Specification
1 Key Information
• The mark of "COMP3419 Assignment 1-b Building 3D Animation Scene" will be given on canvas submission. Due time: before 23:59, Saturday of Week 11 (22-Oct-2023).
• This individual assignment is worth 8% of your final assessment.
• Submission Deliverables: Students are asked to create a zip file of all deliverables (several
image files + 1 .pde file + 1 README.txt). Please be aware of the following submission restrictions:(1) this zip file should be named as "SIDxxx_Ass1b.zip" where xxx denotes the student ID (e.g., "SID450003419_Ass1b"); (2) this zip file should contain all the deliverable; (3) the Processing file should be named as "SIDxxx_Assignment1b.pde".
• Students’ assignments will only be marked if all deliverables can be accessed from the Canvas System, and they can be runnable following instructions provided in README txt file. Failing to follow these restrictions or missing of any deliverable would cause a deduction of 4 marks. Once plagiarism detected by the Canvas system, the student will receive no mark immediately, as well as other related penalties from university.
2 General Marking Policy Late Submission Policy
For the late submission cases, penalties will be assigned according to the university wide late penalties for assignment Clause 7A of the Assessment Procedures.
Special Consideration and Arrangements
While you are studying, there may be circumstances or essential commitments that impact your academic performance. Our special consideration and special arrangements process is there to support you in these situations. More information on how to lodge the special consideration application, can be found from this webpage.
3 Building 3D Animation Scene (Assignment 1-b) 3
Building 3D Animation Scene (Assignment 1-b)
Before you start to program this assignment, please make sure you understand the basics of 3D graphics from week 7 Lab and finish the orbit simulator.
This assignment requires you to program an interactive 3D animation with the following scenarios:
• When you click mouse at (x,y) on your screen, shoot a 3D ball with a random texture (randomly load a texture from your texture pool). The minimum size of the texture pool is 3
and all corresponding image files should be included in canvas submission zip file.
• This ball flies away from the screen along the Z axis with a random direction according to the XY plane. It means this ball does not go straight ahead, but flies away in a random direction
instead. The gravity always effect the movement of this ball as long as it is in the screen.
• The ball will eventually fall down to the ground due to the gravity.
• The space is constrained by 6 walls (left, right, ceiling, floor, a wall far ahead facing the screen,
and a wall at the screen/camera position). When the ball touches any of the wall, it bounces
back and its new direction is computed considering its previous direction.
• You can shoot new balls into the screen while the previous balls are travelling.
• The ball spins while it is travelling. The direction of spinning is determined by its original
direction and the bounces.
• When the balls touch each other, they bounce back as well.
• The potential energy (speed and height) of the ball decays according to the travelling time
as well as the number of bounces (i.e., any ball should fall on the ground and stop spinning eventually).
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Figure 1. Example of the 3D scene
• Hint: It would be easier if you model the balls with a class.
• It is more realistic if you embed some of the Kinematic equations when you calculate
the speed and direction of the balls. For equations of motion, please refer to
COMP3419: Assignment 1-b Specification
