public void Shot(Vector3 aimPosition, int aimingState, int moveState,
int postureState, float velocityMagitude, SpawnBulletEventHandler spawnBulletAction)
{
GunUpTimeModifier((PostureState)postureState);
CalculateShotDeviation((AimingState)aimingState, (MoveState)moveState,
(PostureState)postureState, velocityMagitude);
var spreadAndDeviation = CalculateSpreadAndDeviation((AimingState)aimingState, (MoveState)moveState,
(PostureState)postureState, velocityMagitude);
float deviation = spreadAndDeviation.y;
float spread = spreadAndDeviation.x;
int shotCount = 1;
if (m_ShotCount > shotCount)
{
shotCount = m_ShotCount;
}
if (m_ShotSpread > 0)
{
ShotWithShotgun(aimPosition, aimingState, deviation, spread, shotCount, spawnBulletAction);
}
else
{
ShotWithCommonGun(aimPosition, aimingState, deviation, spread, spawnBulletAction);
}
if (m_RecoilCoroutine != null && startRecoil)
{
StopCoroutine(m_RecoilCoroutine);
}
if (startRecoil)
{
m_RecoilCoroutine = StartCoroutine(Recoil());
}
}
private void ShotWithShotgun(Vector3 aimPosition, int aimingState, float deviation, float spread, float shotCount, SpawnBulletEventHandler spawnBulletAction)
{
var muzzlePoint = m_MuzzleTransform.position;
var forward = (aimPosition - muzzlePoint).normalized;
forward = m_BulletRefTransform.InverseTransformDirection(forward);
if ((AimingState)aimingState == AimingState.ADS)
{
forward = m_ShotGunRorateBias * forward;
}
for (int i = 0; i < shotCount; ++i)
{
// Calculate bullet velocity by spread.
Vector2 spreadAngle = UnityEngine.Random.insideUnitCircle * (spread + deviation) * AngleUnit; //将分度转换为度
var spreadRotation = Quaternion.Euler(spreadAngle.x, spreadAngle.y, 0.0f);
// 利用散布和偏差对子弹的初始设计方向进行修正
var bulletInitialVelocity = m_BulletRefTransform.rotation * spreadRotation * forward * m_InitialBulletSpeed;
// Spawn bullet.
if (spawnBulletAction != null)
{
spawnBulletAction(bulletInitialVelocity, muzzlePoint);
}
}
}
private void ShotWithCommonGun(Vector3 aimPosition, int aimingState, float deviation, float spread, SpawnBulletEventHandler spawnBulletAction)
{
var muzzlePoint = m_MuzzleTransform.position;
var forward = (aimPosition - muzzlePoint).normalized;
forward = m_BulletRefTransform.InverseTransformDirection(forward);
if ((AimingState)aimingState == AimingState.ADS)
{
forward = m_ShotGunRorateBias * forward;
}
float randomAngle = UnityEngine.Random.Range(0f, 1f) * deviation * AngleUnit; //将分度转换为度
Vector2 deviationAngle = Vector2.zero;
if (leixing == 0)
{
//在单位圆上随机
deviationAngle = OnUnitCircle(randomAngle); //wangXun
}
else
{
//在单位球上均匀随机，然后将球压平实现内密外疏
deviationAngle = UnityEngine.Random.insideUnitSphere * randomAngle; //hongXian
}
// Calculate bullet velocity by spread.
Vector2 spreadAngle = UnityEngine.Random.insideUnitCircle * spread * AngleUnit; //将分度转换为度
var spreadRotation = Quaternion.Euler(spreadAngle.x, spreadAngle.y, 0.0f) * Quaternion.Euler(deviationAngle.x, deviationAngle.y, 0.0f);
// 利用散布和偏差对子弹的初始设计方向进行修正
var bulletInitialVelocity = m_BulletRefTransform.rotation * spreadRotation * forward * m_InitialBulletSpeed;
// Spawn bullet.
if (spawnBulletAction != null)
{
spawnBulletAction(bulletInitialVelocity, muzzlePoint);
}
}
