public void Run(ILSystem lSystem, IDrawContext drawCtx, int generation, string c, ref GenerationState genState)
{
// Standard command symbols:
// f signifies a move,
// + and - rotate either left or right, | rotates 180 degrees,
// [ and ] are for push() and pop(), e.g. offshoot branches,
// < and > decrease or increases the segment length,
// ( and ) decrease or increases the rotation angle.
if (c == "f")
{
drawCtx.Translate(this.SegmentAxis * -Math.Min(genState.length, genState.length * genState.time));
}
else if (c == "-")
{
drawCtx.Rotate(this.AngleAxis, Math.Min(+genState.angle, +genState.angle * genState.time));
}
else if (c == "+")
{
drawCtx.Rotate(this.AngleAxis, Math.Max(-genState.angle, -genState.angle * genState.time));
}
else if (c == "|")
{
drawCtx.Rotate(this.AngleAxis, 180f);
}
else if (c == "[")
{
drawCtx.Push();
}
else if (c == "]")
{
drawCtx.Pop();
}
// Non-drawing constants
else if (c == "!")
{
genState.angle -= genState.angle;
}
else if (c == "(")
{
genState.angle *= 1.1f;
}
else if (c == ")")
{
genState.angle *= 0.9f;
}
else if (c == "<")
{
genState.length *= 0.9f;
}
else if (c == ">")
{
genState.length *= 1.1f;
}
}