void GeneratePuffRing(float ypct, Random rn)
{
Vector3 sz = Vector3.Zero;
//Only render ellipsoid and sphere exteriors
if (Nebula.Zone.Shape is ZoneEllipsoid)
sz = ((ZoneEllipsoid)Nebula.Zone.Shape).Size / 2; //we want radius instead of diameter
else if (Nebula.Zone.Shape is ZoneSphere)
sz = new Vector3(((ZoneSphere)Nebula.Zone.Shape).Radius);
else
return;
var yval = ypct * sz.Y;
int puffcount = rn.Next(Nebula.ExteriorMinBits, Nebula.ExteriorMaxBits + 1);
double current_angle = 0;
double delta_angle = (2 * Math.PI) / puffcount;
for (int i = 0; i < puffcount; i++)
{
var puff = new ExteriorPuff();
var y = rn.NextFloat(
yval - (sz.Y * Nebula.ExteriorMoveBitPercent),
yval + (sz.Y * Nebula.ExteriorMoveBitPercent)
);
var pos = PrimitiveMath.GetPointOnRadius(sz, y, (float)current_angle);
puff.Position = Nebula.Zone.Position + new Vector3(pos.X, pos.Y - (sz.Y / 2), pos.Z);
var radius = rn.NextFloat(
Nebula.ExteriorBitRadius * (1 - Nebula.ExteriorBitRandomVariation),
Nebula.ExteriorBitRadius * (1 + Nebula.ExteriorBitRandomVariation)
);
puff.Size = new Vector2(radius * 2);
puff.Shape = Nebula.ExteriorCloudShapes.GetNext();
Exterior.Add(puff);
current_angle += delta_angle;
}
}
void GeneratePuffRing(float ypct, Random rn, List <VertexBillboardColor2> verts)
{
Vector3 sz = Vector3.Zero;
//Only render ellipsoid and sphere exteriors
if (Nebula.Zone.Shape is ZoneEllipsoid)
{
sz = ((ZoneEllipsoid)Nebula.Zone.Shape).Size / 2; //we want radius instead of diameter
}
else if (Nebula.Zone.Shape is ZoneSphere)
{
sz = new Vector3(((ZoneSphere)Nebula.Zone.Shape).Radius);
}
else
{
return;
}
var yval = ypct * sz.Y;
int puffcount = rn.Next(Nebula.ExteriorMinBits, Nebula.ExteriorMaxBits + 1);
double current_angle = 0;
double delta_angle = (2 * Math.PI) / puffcount;
for (int i = 0; i < puffcount; i++)
{
var y = rn.NextFloat(
yval - (sz.Y * Nebula.ExteriorMoveBitPercent),
yval + (sz.Y * Nebula.ExteriorMoveBitPercent)
);
var pos = PrimitiveMath.GetPointOnRadius(sz, y, (float)current_angle);
var puffPos = Nebula.Zone.Position + new Vector3(pos.X, pos.Y - (sz.Y / 2), pos.Z);
var radius = rn.NextFloat(
Nebula.ExteriorBitRadius * (1 - Nebula.ExteriorBitRandomVariation),
Nebula.ExteriorBitRadius * (1 + Nebula.ExteriorBitRandomVariation)
);
var puffSize = new Vector2(radius * 2);
var shape = Nebula.ExteriorCloudShapes.GetNext();
AddPuffQuad(verts, puffPos, puffSize, Nebula.ExteriorColor, Nebula.FogColor,
new Vector2(shape.Dimensions.X, shape.Dimensions.Y),
new Vector2(shape.Dimensions.X + shape.Dimensions.Width, shape.Dimensions.Y),
new Vector2(shape.Dimensions.X, shape.Dimensions.Y + shape.Dimensions.Height),
new Vector2(shape.Dimensions.X + shape.Dimensions.Width, shape.Dimensions.Y + shape.Dimensions.Height)
);
Exterior.Add(new ExteriorPuff()
{
Position = puffPos, Texture = shape.Texture
});
current_angle += delta_angle;
}
}