04: Rude Gold Bug (Part 2)

Learning Target

• Design a scene from a sketch
• Add and configure Rigidbody components

Resources

Feel free to use these as you wish:

• • Pipe.blend
  • Half-Pipe.blend
  • Rude Gold Bug (Diffuse)
  • Rude Gold Bug (Normal)

Instructions

Step 1: 

Create a new Unity Game called Rude Gold Bug. Be sure to organize your Assets folder with subfolders.

Step 2: 

Add fixed objects to your scene:

• • Floors, platforms, ramps
  • Walls, barriers

Avoid using planes or extremely thin objects. The physics engines don't do very well unless an object has thickness.

Step 3: 

Add a sphere to your scene. This will be your "Rude Gold Bug". Then, add these things to it:

• • Materials and Textures (you can use those provided or others)
  • Rigidbody Component

Test the scene to see what happens.

Step 4: 

Configure these settings for your bug:

• • Mass: Choose an appropriate mass in kilograms
  • Interpolation: 
    • None 
    • ✔ Interpolate (smooths out the motion's appearance by using the prior frame)
    • Extrapolate (smooths out the motion's appearance by predicting the next frame)
  • Collision Detection:
    • Discrete (use with fixed objects)
    • Continuous (use if your ball will only hit fixed objects)
    • ✔ Continuous Dynamic (the ball is moving and may hit objects that are also moving)
    • Continuous Speculative (used for fast moving objects where collisions need to be accurate)

Step 4: 

Add enough to your scene that the ball will do each of these things at least once when you play the game:

• • Roll on a surface
  • Fall through the air
  • Hit a floor, ramp or platform
  • Hit a wall or other obstacle