public void UpdateLedgeDetectorState(Vector3 pos)
{
const float bodyRadius = PlayerConstants.BODY_RADIUS;
const float distance = 0.13f;
// TODO: Add comments, some of them clever.
RaycastHit?ceilingHit = CylinderPhysics.CircleCast(
pos,
bodyRadius,
BIG_NUMBER,
Vector3.up
);
float ceilingHeight = ceilingHit?.distance ?? BIG_NUMBER;
Vector3 echoStart = pos + (Vector3.up * ceilingHeight);
RaycastHit?echoHit = CylinderPhysics.CircleCast(
echoStart,
bodyRadius + distance,
BIG_NUMBER,
Vector3.down
);
LedgePresent = echoHit.HasValue;
if (LedgePresent)
{
DebugDisplay.DrawPoint(Color.green, echoHit.Value.point);
LastLedgeHeight = echoHit.Value.point.y - pos.y;
}
}
/// <summary>
/// Returns a raycast hit for the ground we're above,
/// or null if we're in the air.
/// </summary>
/// <returns></returns>
private RaycastHit?GetGround(Vector3 pos)
{
return(CylinderPhysics.CircleCast(
pos + (Vector3.up * RAYCAST_OFFSET),
PlayerConstants.BODY_RADIUS,
RAYCAST_DISTANCE,
Vector3.down,
QueryTriggerInteraction.Ignore
));
}