public void SolveCollision()
{
Body a = new Body();
Body b = new Body();
a.shape = new Circle();
b.shape = new Circle();
Pair _pair = new Pair(a, b);
_pair.SolveCollision();
}
//creates pairs between possible collision objects
public void CreatePairs()
{
for (int i = 0; i < drawBodies.Count; i++)
{
Body bodyA = drawBodies[i];
for (int j = i + 1; j < drawBodies.Count; j++)
{
Body bodyB = drawBodies[j];
//check if object is moving, if it isn't ignore it
Pair pairs = new Pair(bodyA, bodyB);
contactingBodies.Add(pairs);
}
}
}
private void CircleVsCircle(Pair m, Body a, Body b)
{
/*
Vector2 distance = b.transform.position - a.transform.position;
Circle circleColA = a.shape as Circle;
Circle circleColB = b.shape as Circle;
float radius = circleColA.radius + circleColB.radius;
//Math.Pow((a.position.x + b.position.x), 2) + Math.Pow((a.position.y + b.position.y), 2)
if (distance.SquareMagnitude() > radius * radius)
return;
double aDistance = distance.Magnitude();
//m->contact_count = 1;
m.contact_count = 1;
if (aDistance == 0)
{
//distance is difference between radius and distance
m.penetration = radius - aDistance;
m.normal = new Vector2(1, 0);
m.contacts[0] = a.transform.position;
//utilise aDistance
//points from A to B and is a unit vector
}
else
{
m.penetration = radius - aDistance;
m.normal = distance / aDistance; //faster then normalise
//vec2 to double
m.contacts[0] = m.normal * circleColA.radius + a.transform.position;
}
*/
//Circles have collided
//compute manifold
//float aDistance = distance
//float sumRadi = a.radius + b.radius;
//sumRadi *= sumRadi; //instead of sqrt in distance since sqrt is very expensive
//return sumRadi < Math.Pow((a.position.x + b.position.x), 2) + Math.Pow((a.position.y + b.position.y), 2);
return;
}
public void GenerateCollisionPairs()
{
Body bodyA = new Body();
Body bodyB = new Body();
pair = new Pair(bodyA, bodyB);
}
