private void OnCollisionEnter2D(Collision2D col)
{
if (CollidingLayers.is_layer_in_mask(col.gameObject.layer, colliders))
{
GenericHealth health = col.gameObject.GetComponent <GenericHealth>();
if (health != null)
{
health.take_damage(damage);
}
destroy_all();
}
}
private void explode()
{
Collider2D[] cols = Physics2D.OverlapCircleAll(transform.position, explosion_radius, explode_layers);
foreach (Collider2D col in cols)
{
GenericHealth health = col.gameObject.GetComponent <GenericHealth>();
if (health != null)
{
Instantiate((GameObject)Resources.Load("particles/explosion"),
new Vector3(transform.position.x, transform.position.y, -20), Quaternion.identity);
float dist = Vector2.Distance(col.transform.position, transform.position);
dist = Mathf.Min(dist, explosion_radius);
float damage = ((explosion_radius - dist) / explosion_radius) * max_damage;
health.take_damage(damage);
}
}
}
public void init(float angle, float damage, float max_distance, LayerMask colliders)
{
this.angle = angle;
this.damage = damage;
this.max_distance = max_distance;
this.colliders = colliders;
RaycastHit2D hit = Physics2D.Raycast(transform.position, new Vector2(Mathf.Cos(angle), Mathf.Sin(angle)),
max_distance, colliders);
float dist = hit.transform == null ? max_distance : hit.distance;
float num_particles = dist / PARTICLE_SEP;
Vector3 pos = transform.position;
pos.z = -20;
GameObject railgun_particle = (GameObject)Resources.Load("particles/railgun_lightning");
for (int n = 0; n < num_particles; ++n)
{
pos.x += Mathf.Cos(angle) * PARTICLE_SEP;
pos.y += Mathf.Sin(angle) * PARTICLE_SEP;
GameObject obj = (GameObject)Instantiate(railgun_particle, pos, Quaternion.identity);
//check if any colliders are overlapping with a circle raycast
Collider2D col = Physics2D.OverlapCircle(pos, PARTICLE_SEP, colliders);
if (col)
{
//if the gameobject has a health component, deal damage to them
GenericHealth health = col.gameObject.GetComponent <GenericHealth>();
if (health != null)
{
health.take_damage(damage);
}
}
}
}
