/// <summary>
/// Update is called every frame, if the MonoBehaviour is enabled
/// <see cref="Unity Documentation">
/// </summary>
protected virtual void Update()
{
// Cycle through each absorbable light source being touched by this GameObject
for (int i = 0; i < absorbableLightDetector.NeighbourCount; i++)
{
GameObject absorbableLight = absorbableLightDetector.GetNeighbour(i);
if (absorbableLight == null)
{
continue;
}
LightSource otherLightSource = absorbableLight.GetComponentInParent <LightSource>();
if (otherLightSource == null)
{
continue;
}
// If this GameObject can absorb the touched light source,
// Transfer light energy from the other light source to this one
if (CanAbsorb(otherLightSource))
{
if (this is Player)
{
PlayerSound playerSound = GetComponent <PlayerSound>();
playerSound.EatSound();
}
LightEnergy lightEnergyToAbsorb = otherLightSource.LightEnergy;
// Calculate the amount of light to absorb from the other light source
float lightToAbsorb = absorptionRate * Time.deltaTime;
// If the player was hit
if (otherLightSource is Player)
{
if (this is AbstractFish)
{
// Absorb a certain amount of light from the player to the fish
AbstractFish fish = (AbstractFish)this;
lightToAbsorb = fish.damageInflicted;
}
// Debug.Log("Absorb " + lightToAbsorb + " from player");
// Knockback the player away from the enemy fish
otherLightSource.Knockback(this);
}
// Transfer light energy from the other light source to this one
float lightAbsorbed = lightEnergyToAbsorb.Deplete(lightToAbsorb);
lightEnergy.Add(lightAbsorbed);
// Inform subscribers that this light source consumed another light source.
ConsumedLightSource(otherLightSource);
}
}
}
/// <summary>
/// Propulse in the given direction, pushing the gameObject in the given direction
/// <param name="strength">Value between 0 and 1. Determines the speed of the propulsion.</param>
/// </summary>
public void Propulse(Vector2 direction, float strength)
{
// Compute how much the gameObject has to turn opposite to its velocity vector
float angleChange = Vector2.Angle((Vector2)rigidbody.velocity, direction);
// Augment the thrusting power depending on how much the player has to turn
float thrustBoost = 1 + (angleChange / 180) * changeDirectionBoost;
// Calculate the final propulsion force
Vector3 thrustVector = thrustForce * direction * thrustBoost * strength;
// Push the character in the given direction
rigidbody.AddForce(thrustVector, ForceMode.Force);
// Deplete energy from the player for each ejection
lightEnergy.Deplete(thrustEnergyCost * strength);
}
