public override bool TestCollsionVsCircle(CirlceCollisionHull2D other /*,ref Collision c*/)
{
// pass if distance between centers is <= sum of radii
// optimized collision passes if (distance between centers) squared <= (sum of radii) sq
// 1. get the two centers
// 2. difference between centers
// 3. distance squared = vector dot(diff,diff)
// 4. sum of radii
// 5. square sum
// 6. DO THE TEST; distSq <= sumSq
Vector2 diff = this.position - other.position;
// get distance
float distanceSqr = Vector2.Dot(diff, diff);
float radii = radius + other.radius;
if ((distanceSqr <= radii * radii))
{
return(true);
}
else
{
return(false);
}
}
// Start is called before the first frame update
void Start()
{
otherCircle = colliderTarget.GetComponent <CirlceCollisionHull2D>();
otherRect = colliderTarget.GetComponent <AABBCollisionHull2D>();
otherOBB = colliderTarget.GetComponent <OBBCollisionHull2D>();
}
// Update is called once per frame
public override bool TestCollsionVsCircle(CirlceCollisionHull2D other)
{
// see circle
return(other.TestCollsionVsAABB(this.GetComponent <AABBCollisionHull2D>()));
}
public abstract bool TestCollsionVsCircle(CirlceCollisionHull2D other);
public override bool TestCollsionVsCircle(CirlceCollisionHull2D other, ref Collision c)
{
// see circle
return(other.TestCollsionVsCircle(this.GetComponent <CirlceCollisionHull2D>(), ref c));
}
public abstract bool TestCollsionVsCircle(CirlceCollisionHull2D other /*,ref Collision c*/);
