Assignment 3

Scene Graphs in Ygdrasil

Given the following scene graph:

And the following 3 wheel models:

Redraw the scene graph with the following changes:

• the model for the car is Car.pfb
• the initial position of the car is (30 40 0)
• the wheel is located at (33 46 0)
• label the node that establishes the car frame of reference
• label the node that establishes the wheel frame of reference
• the model for the wheel is Wheel1.pfb
• adjust the wheel so that it has a radius of 1.0
• add two more objects to load Wheel2.pfb and Wheel3.pfb at the same location and size
• add a node to select between 1 of the 3 wheels at any one time
• add a trigger in the scene to allow the user to reach into the wheel and press button 2 to select the next model