refactor(render):重构渲染系统架构

- 将 BufferBuilder 移至 systems.buffer 包并增强功能- 添加 BuiltBuffer 和 RenderState 内部类支持状态管理- 新增 BufferUploader 类处理缓冲区上传和状态应用
- 引入 RenderSystem 统一封装 OpenGL 调用
- Mesh2D 和 ModelRender 更新使用新的渲染系统接口- ModelGLPanel 适配新包结构并使用 RenderSystem 初始化
- 移除旧版 LightSource 构造函数- 整体提升渲染代码的模块化和可维护性

重要更新
- 重写渲染器
- 移除辉光，采用旧版着色器渲染，任何有关辉光的将在下一个版本彻底删除

src/main/java/com/chuangzhou/vivid2D/test/ModelRenderLightingTest.java

@@ -6,6 +6,7 @@ import com.chuangzhou.vivid2D.render.model.ModelPart;
 import com.chuangzhou.vivid2D.render.model.util.LightSource;
 import com.chuangzhou.vivid2D.render.model.util.Mesh2D;
 import com.chuangzhou.vivid2D.render.model.util.Texture;
+import com.chuangzhou.vivid2D.render.systems.RenderSystem;
 import org.joml.Vector2f;
 import org.joml.Vector3f;
 import org.lwjgl.glfw.GLFW;
@@ -136,15 +137,15 @@ public class ModelRenderLightingTest {
         body.addChild(rightLeg);
 
         LightSource ambientLight = new LightSource(
-                Color.GRAY,
+                Color.lightGray,
                 0.3f
         );
         ambientLight.setAmbient(true);
         model.addLight(ambientLight);
 
         // 添加光源
-        model.addLight(new LightSource(new Vector2f(-100, -100), Color.ORANGE, 100f));
-        //model.addLight(new LightSource(new Vector2f(150, 150), new Color(1f, 1f, 1f), 200f));
+        model.addLight(new LightSource(new Vector2f(-100, -100), Color.lightGray, 200f));
+        model.addLight(new LightSource(new Vector2f(150, 150), new Color(1f, 1f, 1f), 200f));
     }
 
     private Texture createSolidTexture(int w, int h, int rgba) {
@@ -221,7 +222,7 @@ public class ModelRenderLightingTest {
     }
 
     private void render() {
-        ModelRender.setClearColor(0.18f,0.18f,0.25f,1.0f);
+        RenderSystem.setClearColor(0.18f,0.18f,0.25f,1.0f);
         ModelRender.render(1f/60f, model);
     }
 

src/main/java/com/chuangzhou/vivid2D/test/ModelRenderTest.java

@@ -6,6 +6,7 @@ import com.chuangzhou.vivid2D.render.model.ModelPart;
 import com.chuangzhou.vivid2D.render.model.util.Mesh2D;
 import com.chuangzhou.vivid2D.render.model.util.PhysicsSystem;
 import com.chuangzhou.vivid2D.render.model.util.Texture;
+import com.chuangzhou.vivid2D.render.systems.RenderSystem;
 import org.joml.Vector2f;
 import org.lwjgl.glfw.GLFW;
 import org.lwjgl.glfw.GLFWErrorCallback;
@@ -261,7 +262,7 @@ public class ModelRenderTest {
     }
 
     private void render() {
-        ModelRender.setClearColor(0.18f, 0.18f, 0.25f, 1.0f);
+        RenderSystem.setClearColor(0.18f, 0.18f, 0.25f, 1.0f);
         ModelRender.render(1.0f / 60.0f, testModel);
 
         // 每 5 秒输出一次统计

src/main/java/com/chuangzhou/vivid2D/test/ModelRenderTest2.java

@@ -5,6 +5,7 @@ import com.chuangzhou.vivid2D.render.model.Model2D;
 import com.chuangzhou.vivid2D.render.model.ModelPart;
 import com.chuangzhou.vivid2D.render.model.util.Mesh2D;
 import com.chuangzhou.vivid2D.render.model.util.Texture;
+import com.chuangzhou.vivid2D.render.systems.RenderSystem;
 import org.joml.Matrix3f;
 import org.joml.Vector2f;
 import org.lwjgl.glfw.GLFW;
@@ -214,7 +215,7 @@ public class ModelRenderTest2 {
     }
 
     private void render() {
-        ModelRender.setClearColor(0.2f, 0.2f, 0.3f, 1.0f);
+        RenderSystem.setClearColor(0.2f, 0.2f, 0.3f, 1.0f);
         ModelRender.render(1.0f / 60.0f, testModel);
     }
 

src/main/java/com/chuangzhou/vivid2D/test/ModelTest2.java

@@ -6,6 +6,7 @@ import com.chuangzhou.vivid2D.render.model.ModelPart;
 import com.chuangzhou.vivid2D.render.model.util.Mesh2D;
 import com.chuangzhou.vivid2D.render.model.util.Texture;
 import com.chuangzhou.vivid2D.render.model.util.PhysicsSystem;
+import com.chuangzhou.vivid2D.render.systems.RenderSystem;
 import org.joml.Vector2f;
 import org.lwjgl.glfw.GLFW;
 import org.lwjgl.glfw.GLFWErrorCallback;
@@ -666,7 +667,7 @@ public class ModelTest2 {
     }
 
     private void render(long last) {
-        ModelRender.setClearColor(0.1f, 0.1f, 0.15f, 1.0f);
+        RenderSystem.setClearColor(0.1f, 0.1f, 0.15f, 1.0f);
         ModelRender.render(last, physicsModel);
     }
 

src/main/java/com/chuangzhou/vivid2D/test/TestModelGLPanel.java

@@ -1,6 +1,6 @@
 package com.chuangzhou.vivid2D.test;
 
-import com.chuangzhou.vivid2D.render.ModelGLPanel;
+import com.chuangzhou.vivid2D.render.awt.ModelGLPanel;
 import com.chuangzhou.vivid2D.render.model.Model2D;
 import com.chuangzhou.vivid2D.render.model.ModelPart;
 import com.chuangzhou.vivid2D.render.model.util.Mesh2D;