private Vector3 GetHandTargetPosition(Vector3 posStart, Vector3 posTarget, float step)
{
Vector3 pos = Vector3.Lerp(posStart, posTarget, step);
int insideCircle = MathFuncs.IsInsideCircle(
pos.x, pos.y, pc.lengthForeArm,
pc.arm_back.position.x, pc.arm_back.position.y, pc.lengthBackArm
);
if (insideCircle == -1 || insideCircle == 1)
{
float d = insideCircle == -1 ?
pc.lengthForeArm - pc.lengthBackArm + 0.1f
: pc.lengthForeArm + pc.lengthBackArm - 0.1f;
Vector3 dir = new Vector3(pos.x - pc.arm_back.position.x, pos.y - pc.arm_back.position.y, 0);
return(dir.normalized * d + pc.arm_back.position);
}
return(pos);
}