public PEnemy GenerateRandomEnemy() {
if (st.EnemiesConfigs.IsNullOrEmpty()) {
Debug.LogErrorFormat("Cannot crete unit cause {0} IsNullOrEmpty", nameof(st.EnemiesConfigs));
return null;
}
var enemyConfig = PRandomUtil.Select(st.EnemiesConfigs);
if (enemyConfig == null) {
Debug.LogErrorFormat("Cannot crete unit cause null in {0}", nameof(st.EnemiesConfigs));
return null;
}
var enemyUnit = enemyConfig.Prefab.CreateUnit();
if (enemyUnit == null) {
Debug.LogErrorFormat("Cannot crete unit from prefab");
return null;
}
enemyUnit.HP = enemyConfig.MaxHP;
enemyUnit.Vulnerability = enemyConfig.Vulnerability;
enemyUnit.MovementSpeed = enemyConfig.MovementSpeed;
enemyUnit.RotationSpeed = enemyConfig.RotationSpeed;
enemyUnit.Damage = enemyConfig.Damage;
float angle = PRandomUtil.Float(0, PMathUtil.TwoPI);
enemyUnit.transform.position = st.EnemyGenerationCenter + PMathUtil.PolarToDecart(st.EnemyGenerationRadius, angle);
enemyUnit.transform.rotation = Quaternion.Euler(0f, 0f, -angle.AngleToDegree());
return enemyUnit;
}
private void ProcessMovement()
{
bool forward = Input.GetKey(KeyCode.W);
bool backward = Input.GetKey(KeyCode.S);
if (forward == backward)
{
st.Tank.Rigidbody2D.velocity = Vector2.zero;
}
else if (forward)
{
st.Tank.Rigidbody2D.velocity = PMathUtil.PolarToDecart(st.Tank.MovementSpeed, st.Tank.Rotation2DRad());
}
else
{
st.Tank.Rigidbody2D.velocity = -PMathUtil.PolarToDecart(st.Tank.MovementSpeed, st.Tank.Rotation2DRad());
}
}
private void ProcessForward(PBaseCharacter tank)
{
var movementDeltaPerSec = PMathUtil.PolarToDecart(st.Unit.MovementSpeed, st.Unit.Rotation2DRad());
Vector3 movementDelta = movementDeltaPerSec * Time.fixedDeltaTime;
var positionDelta = st.Unit.transform.position - tank.transform.position;
float dist = positionDelta.sqrMagnitude;
float distIfForward = (positionDelta + movementDelta).sqrMagnitude;
float distIfBackward = (positionDelta - movementDelta).sqrMagnitude;
if (dist < distIfForward && dist < distIfBackward)
{
st.Unit.Rigidbody2D.velocity = Vector2.zero;
}
else
{
st.Unit.Rigidbody2D.velocity = distIfForward < distIfBackward ? movementDeltaPerSec : -movementDeltaPerSec;
}
}