name === "Sun") {
                    x = centerX;
                    y = centerY;
                } else {
                    x = centerX + Math.cos(planet.angle) * planet.orbitRadius;
                    y = centerY + Math.sin(planet.angle) * planet.orbitRadius;
                }

                // 绘制星球
                drawPixelPlanet(x, y, planet.radius, planet.colorPalette);

                // 绘制标签
                if (planet.name !== "Sun") {
                    ctx.font = '12px Aria