protected void SetPoolSize(int newSize)
{
if (newSize <= _poolSize)
{
return;
}
ParticleUnit unit;
for (int i = _poolSize; i < newSize; i++)
{
unit = new ParticleUnit();
_freeObjects.Enqueue(unit);
}
_poolSize = newSize;
}
ParticleUnit Generate(float generateTime)
{
if (_freeObjects.Count <= 0)
{
// Resize pool size
int newSize = (int)(_poolSize * scaleFactor);
if (newSize <= _poolSize)
{
newSize = _poolSize + 1;
}
SetPoolSize(newSize);
}
ParticleUnit unit = _freeObjects.Dequeue();
unit.CreateParticleUnit(this, generateTime);
_objects.Add(unit);
return(unit);
}
void SimpleFill(BetterList <Vector3> verts, BetterList <Vector2> uvs, BetterList <Color32> cols, Rect outer, Rect inner, ParticleUnit unit)
{
// Set scale
float spriteWidth = unit.spriteData.width * unit.scale.x * unit.localScale.x;
float spriteHeight = unit.spriteData.height * unit.scale.y * unit.localScale.y;
float x0 = -(spriteWidth * 0.5f);
float y0 = -(spriteHeight * 0.5f);
float x1 = x0 + spriteWidth;
float y1 = y0 + spriteHeight;
Vector2 v0 = new Vector2(x0, y0);
Vector2 v1 = new Vector2(x0, y1);
Vector2 v2 = new Vector2(x1, y1);
Vector2 v3 = new Vector2(x1, y0);
// Set rotation
RotateVertex(ref v0, ref v1, ref v2, ref v3, unit.localRotation);
// Set position
Vector2 pos = (Vector2)transform.InverseTransformPoint(unit.distanceFromParticle2D + transform.position) + unit.localPosition;
v0 += pos;
v1 += pos;
v2 += pos;
v3 += pos;
// Add vertices
verts.Add(v0);
verts.Add(v1);
verts.Add(v2);
verts.Add(v3);
// Add texcoords
Vector4 u = new Vector4(outer.xMin, outer.yMin, outer.xMax, outer.yMax);
uvs.Add(new Vector2(u.x, u.y));
uvs.Add(new Vector2(u.x, u.w));
uvs.Add(new Vector2(u.z, u.w));
uvs.Add(new Vector2(u.z, u.y));
// Add colors
Color32 c = unit.color * mColor;
cols.Add(c);
cols.Add(c);
cols.Add(c);
cols.Add(c);
}
public void AddRemovableObject(ParticleUnit unit)
{
_removableObjects.Add(unit);
}
void Remove(ParticleUnit obj)
{
_freeObjects.Enqueue(obj);
_objects.Remove(obj);
}
