1. Collision Detection

2. collision detection Run spaceTravel.cpp
Go through code - non-collision parts
Notice class,
Two constructors
radius = 0 for no asteroid there
Notice viewports.
Notice display list.
Notice rand.
In setup I added srand(time(0));
Need to include ctime
Can also changed FILL_PROBABILITY

3. geometry of the spacecraft
radius 5
height 10
red center to edge of circle
=sqrt(50) = 7.072

4. geometry of collisions
Got to Here!!!!!!!!

5. collision detection spaceTravel.cpp
static int isCollision = 0; // Is there collision between the spacecraft and an asteroid?
functions:
int checkSpheresIntersection(...)
int asteroidCraftCollision(...)
see specialKeyInput function