204 lines
6.2 KiB
Python
204 lines
6.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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快速缩放测试脚本 - 验证FBX缩放标准化功能
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测试用例：
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1. 模拟带有大缩放值的FBX结构
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2. 验证智能标准化功能
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3. 对比修复前后的效果
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"""
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import sys
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import os
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# 添加主目录到Python路径
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
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from panda3d.core import Vec3
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from main import MyWorld
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def test_scale_normalization():
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"""测试缩放标准化功能"""
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print("🧪 FBX缩放标准化功能测试")
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print("="*50)
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# 创建测试世界
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world = MyWorld()
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# 创建模拟的FBX模型结构
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test_model = create_mock_fbx_model(world)
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print("\n📋 测试前的模型结构:")
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print_model_hierarchy(test_model)
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# 测试缩放标准化
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print("\n🔧 执行缩放标准化...")
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world.scene_manager._normalizeModelScales(test_model)
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print("\n📋 测试后的模型结构:")
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print_model_hierarchy(test_model)
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# 验证结果
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verify_normalization_results(test_model)
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print("\n✅ 测试完成!")
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def create_mock_fbx_model(world):
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"""创建模拟的FBX模型结构"""
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print("🏗️ 创建模拟FBX模型结构...")
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# 创建根节点
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root = world.render.attachNewNode("MockFBXModel")
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root.setScale(1.0, 1.0, 1.0) # 根节点正常缩放
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# 创建子节点（模拟FBX的大缩放值）
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child1 = root.attachNewNode("Mesh001")
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child1.setScale(100.0, 100.0, 100.0) # 典型的FBX大缩放
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child2 = root.attachNewNode("Mesh002")
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child2.setScale(100.0, 100.0, 100.0) # 另一个大缩放
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child3 = root.attachNewNode("Bone001")
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child3.setScale(1.0, 1.0, 1.0) # 正常缩放的骨骼
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# 创建孙子节点
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grandchild1 = child1.attachNewNode("SubMesh001")
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grandchild1.setScale(1.0, 1.0, 1.0) # 正常缩放
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grandchild2 = child2.attachNewNode("SubMesh002")
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grandchild2.setScale(0.5, 0.5, 0.5) # 小缩放
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# 创建一个异常的大缩放孙子节点
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grandchild3 = child3.attachNewNode("BigScale")
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grandchild3.setScale(50.0, 50.0, 50.0) # 另一种大缩放
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print(f" ✓ 创建了包含 {count_all_nodes(root)} 个节点的模型")
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return root
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def count_all_nodes(node):
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"""递归计算节点总数"""
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count = 1
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for i in range(node.getNumChildren()):
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count += count_all_nodes(node.getChild(i))
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return count
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def print_model_hierarchy(model, depth=0):
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"""打印模型层级结构"""
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indent = " " * depth
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scale = model.getScale()
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max_scale = max(abs(scale.x), abs(scale.y), abs(scale.z))
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# 标记缩放状态
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if max_scale > 10:
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status = "🔴大缩放"
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elif max_scale < 1:
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status = "🟡小缩放"
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else:
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status = "🟢正常"
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print(f"{indent}📦 {model.getName()}: {scale} {status}")
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# 递归打印子节点
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for i in range(model.getNumChildren()):
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child = model.getChild(i)
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print_model_hierarchy(child, depth + 1)
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def verify_normalization_results(model):
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"""验证标准化结果"""
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print("\n🔍 验证标准化结果:")
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# 收集所有节点的缩放信息
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all_scales = []
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collect_all_scales(model, all_scales)
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# 统计分析
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large_scales = [s for s in all_scales if max(abs(s.x), abs(s.y), abs(s.z)) > 10]
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normal_scales = [s for s in all_scales if 0.1 <= max(abs(s.x), abs(s.y), abs(s.z)) <= 10]
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small_scales = [s for s in all_scales if max(abs(s.x), abs(s.y), abs(s.z)) < 0.1]
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print(f" 总节点数: {len(all_scales)}")
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print(f" 大缩放节点: {len(large_scales)} 个")
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print(f" 正常缩放节点: {len(normal_scales)} 个")
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print(f" 小缩放节点: {len(small_scales)} 个")
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# 验证结果
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if len(large_scales) == 0:
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print(" ✅ 成功：没有大缩放节点残留")
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else:
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print(f" ❌ 失败：仍有 {len(large_scales)} 个大缩放节点")
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if len(normal_scales) >= len(all_scales) * 0.7: # 至少70%是正常缩放
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print(" ✅ 成功：大部分节点缩放正常化")
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else:
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print(" ⚠️ 警告：正常缩放节点比例较低")
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def collect_all_scales(node, scales_list):
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"""递归收集所有节点的缩放"""
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scales_list.append(node.getScale())
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for i in range(node.getNumChildren()):
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child = node.getChild(i)
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collect_all_scales(child, scales_list)
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def test_scale_detection():
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"""测试缩放检测算法"""
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print("\n🔬 测试缩放检测算法:")
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world = MyWorld()
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scene_manager = world.scene_manager
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# 创建测试数据
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test_scales = [
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{'scale': Vec3(100, 100, 100), 'name': 'Mesh001'},
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{'scale': Vec3(100, 100, 100), 'name': 'Mesh002'},
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{'scale': Vec3(100, 100, 100), 'name': 'Mesh003'},
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{'scale': Vec3(1, 1, 1), 'name': 'Bone001'},
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{'scale': Vec3(50, 50, 50), 'name': 'Special'},
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{'scale': Vec3(1, 1, 1), 'name': 'Normal001'},
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]
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# 模拟检测过程
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large_scales = [info for info in test_scales if max(abs(info['scale'].x), abs(info['scale'].y), abs(info['scale'].z)) > 10]
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print(f" 发现 {len(large_scales)} 个大缩放节点:")
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for info in large_scales:
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max_scale = max(abs(info['scale'].x), abs(info['scale'].y), abs(info['scale'].z))
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print(f" {info['name']}: {max_scale}")
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# 测试常见缩放值检测
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common_scale = scene_manager._findCommonLargeScale(large_scales)
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print(f" 检测到常见大缩放值: {common_scale}")
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if common_scale:
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normalize_factor = 1.0 / common_scale
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print(f" 计算的标准化因子: {normalize_factor}")
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print(f" 标准化后的示例: {100.0 * normalize_factor}")
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if __name__ == "__main__":
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try:
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print("🚀 启动FBX缩放标准化测试")
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print("\n" + "="*60)
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# 运行主要测试
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test_scale_normalization()
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# 运行算法测试
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test_scale_detection()
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print("\n" + "="*60)
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print("🎉 所有测试完成!")
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except Exception as e:
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print(f"❌ 测试失败: {str(e)}")
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import traceback
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traceback.print_exc() |