// here we get an entity conversion at runtime time, then we add this entity to the entity list, with a specific component just for this prefab :D
public void Convert(Entity entity, EntityManager dstManager, GameObjectConversionSystem conversionSystem)
{
var entityPrefabData = new Components.Prefabs.BulletAuthoring
{
prefabEntity = conversionSystem.GetPrimaryEntity(bulletPrefab),
speed = speed,
attackRange = attackRange,
type = type,
maxTimeInFly = maxTimeInFly
};
dstManager.AddComponentData(entity, entityPrefabData);
}
void ShootLinearBullet(ref Components.Prefabs.BulletAuthoring bulletAuthoring, float3 vectorToMouse, ref LocalToWorld location)
{
var instance = EntityManager.Instantiate(bulletAuthoring.prefabEntity);
float3 vel = math.normalize(vectorToMouse) * bulletAuthoring.speed;
float time = bulletAuthoring.attackRange / bulletAuthoring.speed;
EntityManager.SetComponentData(instance, new Translation {
Value = location.Position
});
EntityManager.SetComponentData(instance, new PhysicsVelocity {
Linear = vel
});
EntityManager.SetComponentData(instance, new Components.LifeTime {
Value = time, Counting = true
});
}
void ShootParabolicBullet(ref Components.Prefabs.BulletAuthoring bulletAuthoring, float3 vectorToMouse, ref LocalToWorld location)
{
var instance = EntityManager.Instantiate(bulletAuthoring.prefabEntity);
float distance = Vector3.Magnitude(vectorToMouse);
distance = math.clamp(distance, 0, bulletAuthoring.attackRange);
float timeInFly = (distance * bulletAuthoring.maxTimeInFly) / bulletAuthoring.attackRange;
float horizontalSpeedMultiplier = distance / timeInFly;
float3 vel = math.normalize(vectorToMouse);
vel *= horizontalSpeedMultiplier;
vel.y = (0.0f - location.Position.y - ((0.5f) * (Physics.gravity.y) * (math.pow(timeInFly, 2.0f)))) / timeInFly;
//float time = bulletAuthoring.attackRange / Vector2.SqrMagnitude(new Vector2(vel.x, vel.z));
/*
* Debug.Log(string.Format("-------\n"+
* "spawnPos:{9} vectorToMouse:{0}, targetPoint:{1}, \nhorizontalDir:{2} clampedDist:{3}, \nt:{4}, horVel:{5} \nYf:{6}, Y0:{7}, g:{8}, \nBodyVel{10}",
* vectorToMouse, targetPoint,horizontalDirection,distance,timeInFly,
* horizontalSpeedMultiplier, location.Position.y, 0.0f,
* Physics.gravity.y, location.Position, vel));
*/
EntityManager.SetComponentData(instance, new Translation {
Value = location.Position
});
EntityManager.SetComponentData(instance, new PhysicsVelocity {
Linear = vel
});
EntityManager.SetComponentData(instance, new Components.LifeTime {
Value = timeInFly, Counting = true
});
EntityManager.SetComponentData(instance, new PhysicsGravityFactor {
Value = 1.0f
});
}