void UpdateBeam(Beam beam)
{
var prev = beam.position;
beam.Update(Time.deltaTime, target.position);
var cur = beam.position;
float l = (cur - prev).magnitude;
float c = l * beamParameters.countPerMeter;
int ci = (int)c;
float frac = c - (float)ci;
if (UnityEngine.Random.value < frac)
{
ci++;
}
EmitBeamParticles(beam, ci, prev, cur);
// ヒット判定
var diff = beam.position - target.position;
if (diff.magnitude < 3f)
{
targetVelocity += beam.velocity * beamParameters.impact;
beam.time = -float.MaxValue; // ビーム消滅
Spark(beam.position, beam.velocity, diff.normalized, sparkParameters.sharpness, sparkParameters.particleCount);
}
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
Beam.Update(gameTime);
if (Target != null)
{
float angleToTarget = Trigonometry.GetAngleOfLineBetweenObjectAndTarget(this, Target.WorldPosition);
if (Math.Abs(angleToTarget - WorldRotation) <= 0.1f)
{
Fire();
}
else
{
firing = false;
firingSoundEffectInstance.Pause();
}
}
else
{
firing = false;
firingSoundEffectInstance.Pause();
}
if (firing)
{
Beam.Opacity = (float)Math.Min(Beam.Opacity + 0.02f, 1);
}
else
{
Beam.Opacity = (float)Math.Max(Beam.Opacity - 0.05f, 0);
}
TargetingLine.Visible = Opacity == 0 ? true : false;
}