public void Generate()
{
existance = (Time.time - createdTime) / lifetime;
if (existance <= 1f)
{
existanceEased = Easings.Interpolate(existance, easing);
current = FlatFXState.Lerp(start, end, existanceEased);
switch (type)
{
case FlatFXType.Explosion:
GenerateExplosion();
break;
case FlatFXType.Ripple:
GenerateRipple();
break;
case FlatFXType.Pop:
GeneratePop();
break;
case FlatFXType.Crosslight:
GenerateCrosslight();
break;
case FlatFXType.SunRays:
GenerateSunRays();
break;
}
}
}
private void GeneratePop()
{
vertices.Clear();
colors.Clear();
float rayWidth = 0.1f;
float a;
Vector2 start, end, direction;
triangles = new int[sectorCount * 2 * 3];
for (int i = 0; i < sectorCount; i++)
{
a = (360f / sectorCount) * i + current.rotation;
start = CirclePoint(Mathf.Max(current.size / 2f - current.thickness, 0f), a) + current.position;
end = CirclePoint(current.size / 2f, a) + current.position;
direction = end - start;
vertices.Add(start + (new Vector2(-direction.y, direction.x).normalized *(rayWidth / 2f)));
vertices.Add(end + (new Vector2(-direction.y, direction.x).normalized *(rayWidth / 2f)));
vertices.Add(end + (new Vector2(direction.y, -direction.x).normalized *(rayWidth / 2f)));
vertices.Add(start + (new Vector2(direction.y, -direction.x).normalized *(rayWidth / 2f)));
colors.Add(current.innerColor);
colors.Add(current.outerColor);
colors.Add(current.outerColor);
colors.Add(current.innerColor);
triangles[(i * 6) + 0] = (i * 4) + 0;
triangles[(i * 6) + 2] = (i * 4) + 2;
triangles[(i * 6) + 1] = (i * 4) + 1;
triangles[(i * 6) + 3] = (i * 4) + 2;
triangles[(i * 6) + 5] = (i * 4) + 0;
triangles[(i * 6) + 4] = (i * 4) + 3;
}
}
public FlatFXSettings(FlatFXType type, int sectorCount, float lifetime, Easings.Functions easing, float randomizePosition, FlatFXState start, FlatFXState end)
{
this.type = type;
this.sectorCount = sectorCount;
this.lifetime = lifetime;
this.easing = easing;
this.randomizePosition = randomizePosition;
this.start = start;
this.end = end;
}
public FlatFXParticle(FlatFXType type, float lifetime, int sectorCount, Easings.Functions easing, FlatFXState start, FlatFXState end)
{
this.type = type;
this.lifetime = lifetime;
this.sectorCount = sectorCount;
this.easing = easing;
this.start = start;
this.end = end;
this.createdTime = Time.time;
}
public static FlatFXState Lerp(FlatFXState start, FlatFXState end, float t)
{
return(new FlatFXState(
Vector2.Lerp(start.position, end.position, t),
Mathf.Lerp(start.size, end.size, t),
Mathf.Lerp(start.thickness, end.thickness, t),
Mathf.Lerp(start.rotation, end.rotation, t),
Color.Lerp(start.innerColor, end.innerColor, t),
Color.Lerp(start.outerColor, end.outerColor, t),
Mathf.Lerp(start.seed, end.seed, t)
));
}
