Project_SG_scripts.git

			@@ -31,7 +31,6 @@
			Horizontal, // 水平渐变
			Vertical, // 垂直渐变
			Diagonal, // 对角线渐变
			Radial, // 径向渐变
			Custom // 自定义四角颜色
			}

			@@ -154,19 +153,7 @@
			SetVerticesDirty();
			}

			/// <summary>
			/// 设置径向渐变颜色
			/// </summary>
			public void SetRadialGradient(Color centerColor, Color edgeColor)
			{
			m_GradientType = GradientType.Radial;
			m_TopLeftColor = edgeColor;
			m_TopRightColor = edgeColor;
			m_BottomLeftColor = edgeColor;
			m_BottomRightColor = edgeColor;
			// 径向渐变需要在顶点着色器中处理
			SetVerticesDirty();
			}


			protected override void OnPopulateMesh(VertexHelper vh)
			{
			@@ -221,21 +208,21 @@
			return Color.Lerp(m_TopLeftColor, m_TopRightColor, x);

			case GradientType.Vertical:
			return Color.Lerp(m_TopLeftColor, m_BottomLeftColor, y);
			return Color.Lerp(m_TopLeftColor, m_BottomLeftColor, 1 - y);

			case GradientType.Diagonal:
			return Color.Lerp(m_TopLeftColor, m_BottomRightColor, (x + y) * 0.5f);
			// 对角线渐变：从左上到右下
			// 使用更准确的对角线计算，确保从左上到右下的渐变
			var diagonalFactor = Mathf.Clamp01((x + (1 - y)) * 0.5f);
			return Color.Lerp(m_TopLeftColor, m_BottomRightColor, diagonalFactor);

			case GradientType.Radial:
			var center = new Vector2(0.5f, 0.5f);
			var distance = Vector2.Distance(new Vector2(x, y), center);
			return Color.Lerp(m_TopLeftColor, m_BottomRightColor, distance * 2f);


			case GradientType.Custom:
			// 双线性插值
			// 双线性插值：修正Y轴方向
			var topColor = Color.Lerp(m_TopLeftColor, m_TopRightColor, x);
			var bottomColor = Color.Lerp(m_BottomLeftColor, m_BottomRightColor, x);
			return Color.Lerp(topColor, bottomColor, y);
			return Color.Lerp(topColor, bottomColor, 1 - y);

			default:
			return color;