feat(渲染): 添加点形状支持并优化填充形状处理

添加对点形状(ShapeType::Point)的渲染支持，同时优化填充形状的处理逻辑
统一使用形状类型判断填充状态，减少对filled_字段的依赖

Extra2D/src/render/batch/shape_batcher.cpp

@@ -351,6 +351,11 @@ void ShapeBatcher::draw(const RenderCommand &command) {
   const auto &data = std::get<ShapeRenderData>(command.data);
 
   switch (data.shapeType) {
+  case ShapeType::Point:
+    if (data.points.size() >= 1) {
+      drawFilledCircle(data.points[0], data.lineWidth * 0.5f, data.color, 8);
+    }
+    break;
   case ShapeType::Line:
     if (data.points.size() >= 2) {
       drawLine(data.points[0], data.points[1], data.color, data.lineWidth);

Extra2D/src/scene/shape_node.cpp

@@ -284,10 +284,11 @@ void ShapeNode::onDraw(RenderBackend &renderer) {
     break;
 
   case ShapeType::Rect:
+  case ShapeType::FilledRect:
     if (points_.size() >= 4) {
-      if (filled_) {
       Rect rect(points_[0].x, points_[0].y, points_[2].x - points_[0].x,
                 points_[2].y - points_[0].y);
+      if (filled_ || shapeType_ == ShapeType::FilledRect) {
         renderer.fillRect(rect, color_);
       } else {
         for (size_t i = 0; i < points_.size(); ++i) {
@@ -300,9 +301,10 @@ void ShapeNode::onDraw(RenderBackend &renderer) {
     break;
 
   case ShapeType::Circle:
+  case ShapeType::FilledCircle:
     if (points_.size() >= 2) {
       float radius = points_[1].x;
-      if (filled_) {
+      if (filled_ || shapeType_ == ShapeType::FilledCircle) {
         renderer.fillCircle(points_[0], radius, color_, segments_);
       } else {
         renderer.drawCircle(points_[0], radius, color_, segments_, lineWidth_);
@@ -311,8 +313,9 @@ void ShapeNode::onDraw(RenderBackend &renderer) {
     break;
 
   case ShapeType::Triangle:
+  case ShapeType::FilledTriangle:
     if (points_.size() >= 3) {
-      if (filled_) {
+      if (filled_ || shapeType_ == ShapeType::FilledTriangle) {
         renderer.fillPolygon(points_.data(), 3, color_);
       } else {
         renderer.drawLine(points_[0], points_[1], color_, lineWidth_);
@@ -323,11 +326,13 @@ void ShapeNode::onDraw(RenderBackend &renderer) {
     break;
 
   case ShapeType::Polygon:
+  case ShapeType::FilledPolygon:
     if (!points_.empty()) {
-      if (filled_) {
+      if (filled_ || shapeType_ == ShapeType::FilledPolygon) {
         renderer.fillPolygon(points_.data(), points_.size(), color_);
       } else {
-        renderer.drawPolygon(points_.data(), points_.size(), color_, lineWidth_);
+        renderer.drawPolygon(points_.data(), points_.size(), color_,
+                             lineWidth_);
       }
     }
     break;
@@ -359,37 +364,44 @@ void ShapeNode::generateRenderCommand(std::vector<RenderCommand> &commands,
 
   case ShapeType::Line:
     if (points_.size() >= 2) {
-      commands.push_back(RenderCommand::makeLine(
+      commands.push_back(RenderCommand::makeLine(points_[0] + offset,
-          points_[0] + offset, points_[1] + offset, color_, lineWidth_, zOrder));
+                                                 points_[1] + offset, color_,
+                                                 lineWidth_, zOrder));
     }
     break;
 
   case ShapeType::Rect:
+  case ShapeType::FilledRect:
     if (points_.size() >= 4) {
       Rect rect(points_[0].x, points_[0].y, points_[2].x - points_[0].x,
                 points_[2].y - points_[0].y);
       commands.push_back(RenderCommand::makeRect(
-          Rect(rect.origin + offset, rect.size), color_, lineWidth_, filled_, zOrder));
+          Rect(rect.origin + offset, rect.size), color_, lineWidth_,
+          filled_ || shapeType_ == ShapeType::FilledRect, zOrder));
     }
     break;
 
   case ShapeType::Circle:
+  case ShapeType::FilledCircle:
     if (points_.size() >= 2) {
       float radius = points_[1].x;
       commands.push_back(RenderCommand::makeCircle(
-          points_[0] + offset, radius, color_, segments_, filled_, zOrder));
+          points_[0] + offset, radius, color_, segments_,
+          filled_ || shapeType_ == ShapeType::FilledCircle, zOrder));
     }
     break;
 
   case ShapeType::Triangle:
+  case ShapeType::FilledTriangle:
     if (points_.size() >= 3) {
       commands.push_back(RenderCommand::makeTriangle(
-          points_[0] + offset, points_[1] + offset, points_[2] + offset,
+          points_[0] + offset, points_[1] + offset, points_[2] + offset, color_,
-          color_, filled_, zOrder));
+          filled_ || shapeType_ == ShapeType::FilledTriangle, zOrder));
     }
     break;
 
   case ShapeType::Polygon:
+  case ShapeType::FilledPolygon:
     if (!points_.empty()) {
       std::vector<Vec2> transformedPoints;
       transformedPoints.reserve(points_.size());
@@ -397,7 +409,8 @@ void ShapeNode::generateRenderCommand(std::vector<RenderCommand> &commands,
         transformedPoints.push_back(p + offset);
       }
       commands.push_back(RenderCommand::makePolygon(
-          transformedPoints, color_, filled_, zOrder));
+          transformedPoints, color_,
+          filled_ || shapeType_ == ShapeType::FilledPolygon, zOrder));
     }
     break;
   }