private void Step(GLEx g, CycleProgress e, int index, int frame_0, LColor color_1, float alpha_2) { switch (stepType) { case 0: g.FillOval(X() + e.x - blockHalfWidth, Y() + e.y - blockHalfHeight, blockWidth, blockHeight); break; case 1: g.FillRect(X() + e.x - blockHalfWidth, Y() + e.y - blockHalfHeight, blockWidth, blockHeight); break; case 2: if (last != null) { float[] xs = { X() + last.x, X() + e.x }; float[] ys = { Y() + last.y, Y() + e.y }; g.DrawPolygon(xs, ys, 2); } last = e; break; case 3: if (last != null) { g.DrawLine(X() + last.x, Y() + last.y, X() + e.x, Y() + e.y); } last = e; break; case 4: Step(g, e.x, e.y, e.progress, index, frame_0, color_1, alpha_2); break; } }