public override void Draw(GameTime gameTime)
{
if (TestGame.gameState == TestGame.GameState.Game)
{
if (levelState == LevelState.Active)
{
shader.Render();
}
background.Draw(spriteBatch);
DrawLevel(spriteBatch);
DrawText(spriteBatch);
if (levelState == LevelState.Active)
{
shader.Draw(spriteBatch);
}
}
}
public override void Show(Main D)
{
Controller.projectionMatrix = projectionMatrix;
Controller.Draw();
if (OrbitActive)
{
GL.Enable(EnableCap.StencilTest);
GL.StencilMask(~0);
GL.ClearStencil(0);
GL.Clear(ClearBufferMask.StencilBufferBit);
GL.StencilFunc(StencilFunction.Always, 1, ~0);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
GL.ColorMask(false, false, false, false);
GL.DepthMask(false);
GL.Rect(0, 0, Rect.Width, Rect.Height);
GL.ColorMask(true, true, true, true);
GL.DepthMask(true);
GL.StencilFunc(StencilFunction.Equal, 1, ~0);
GL.StencilMask(0);
fractalMath.CoefficientArray = Controller.CoefficientArray;
int PathLength = 30;
Complex[] Path = new Complex[PathLength];
Vector2[] WorldPath = new Vector2[PathLength];
Complex Z;
Complex C;
if (Controller.Julia)
{
Z = OrbitPosition;
C = Controller.JuliaPos;
fractalMath.SetCoefficients(C);
}
else
{
Z = new Complex(0, 0);
C = OrbitPosition;
fractalMath.SetCoefficients(C);
Z = fractalMath.Compute(Z);
}
for (int i = 0; i < PathLength; i++)
{
Path[i] = Z;
WorldPath[i] = GetScreenFromWorld(Z);
Z = fractalMath.Compute(Z);
if (Z.MagSq() > 100)
{
PathLength = i + 1;
break;
}
}
GL.LineWidth(OrbitScale * 2);
GL.Color3(Color.White);
GL.Enable(EnableCap.LineStipple);
LineStrippleOffset <<= 1;
if ((LineStrippleOffset & 256) > 0)
{
LineStrippleOffset++;
}
GL.LineStipple(StrippleScale, LineStrippleOffset);
for (int i = 0; i < PathLength - 1; i++)
{
GL.Begin(PrimitiveType.Lines);
GL.Vertex2(WorldPath[i]);
GL.Vertex2(WorldPath[i + 1]);
GL.End();
}
GL.Disable(EnableCap.LineStipple);
Vector2 V1 = new Vector2(3, 0) * OrbitScale;
Vector2 V2 = new Vector2(0, 3) * OrbitScale;
GL.Begin(PrimitiveType.Quads);
for (int i = 0; i < PathLength; i++)
{
GL.Color3(Color.Gray);
GL.Vertex2(WorldPath[i] + V1 * 1.5f);
GL.Vertex2(WorldPath[i] + V2 * 1.5f);
GL.Vertex2(WorldPath[i] - V1 * 1.5f);
GL.Vertex2(WorldPath[i] - V2 * 1.5f);
GL.Color3(Color.Orange);
GL.Vertex2(WorldPath[i] + V1);
GL.Vertex2(WorldPath[i] + V2);
GL.Vertex2(WorldPath[i] - V1);
GL.Vertex2(WorldPath[i] - V2);
}
GL.End();
GL.Disable(EnableCap.StencilTest);
}
}
