void BroadPhaseUpdate()
{
var bc = SimElementHelper.ComputeParticlesBoundingCircle(particles, particleRadius);
trigger.radius = bc.radius;
trigger.offset = bc.center;
}
void LateUpdate()
{
Vector3 pos = Input.mousePosition;
pos.z = -Camera.main.transform.position.z;
pos = Camera.main.ScreenToWorldPoint(pos);
if (!_isDragging)
{
if (Input.GetMouseButtonDown(0))
{
int idx;
Matrix4x4 mat = transform.localToWorldMatrix;
if (SimElementHelper.FindOverlapParticleIdx(_particles, mat, pos, _particleRadius, out idx))
{
_isDragging = true;
_draggedParticle = _particles[idx];
}
}
}
else
{
if (Input.GetMouseButtonUp(0))
{
_isDragging = false;
}
else if (Input.GetMouseButton(0))
{
_draggedParticle.pos = transform.worldToLocalMatrix.MultiplyPoint3x4(pos);
}
}
}
public List <int> GetSimElemIndices <T>() where T : SimElement
{
return(SimElementHelper.GetSimElemIndices <T>(_simElements));
}
public List <T> GetSimElems <T>() where T : SimElement
{
return(SimElementHelper.GetSimElems <T>(_simElements));
}
