From c531edf5c4623f58d56e431641271b1c5a97aa3b Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Sun, 4 Aug 2024 16:36:49 +0800
Subject: [PATCH] Added TransformBenchmark.cpp

---
 CMakeLists.txt              |  4 +++
 math/TransformBenchmark.cpp | 64 +++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 math/TransformBenchmark.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07886a4..4545268 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,10 @@ cm_example_project("DataType" ConstStringSetTest)
 add_executable(IDNameTest datatype/IDNameTest.cpp)
 cm_example_project("DataType" IDNameTest)
 
+
+add_executable(TransformBenchmark math/TransformBenchmark.cpp)
+CM_EXAMPLE_PROJECT("Math" TransformBenchmark)
+
 ####################################################################################################
 
 add_executable(LifetimeTest datatype/LifetimeTest.cpp)
diff --git a/math/TransformBenchmark.cpp b/math/TransformBenchmark.cpp
new file mode 100644
index 0000000..b8304c7
--- /dev/null
+++ b/math/TransformBenchmark.cpp
@@ -0,0 +1,64 @@
+#include<hgl/Time.h>
+#include<hgl/math/Transform.h>
+#include<iostream>
+#include <random>
+
+using namespace hgl;
+
+constexpr const size_t TEST_COUNT=10000;
+
+int main(int,char **)
+{
+    std::random_device rd;
+    std::mt19937 gen(rd());
+    std::uniform_real_distribution<> dis_01(0, 1);
+    std::uniform_real_distribution<> dis_360(0, 359);
+
+    Transform *t=new Transform[TEST_COUNT],*tp;
+    Matrix4f *m=new Matrix4f[TEST_COUNT],*mp;
+
+    tp=t;
+    mp=m;
+
+    double st,et;
+
+    Vector3f r_vec;
+
+    for(int i=0;i<TEST_COUNT;i++)
+    {
+        r_vec.x=dis_01(gen);
+        r_vec.y=dis_01(gen);
+        r_vec.z=dis_01(gen);
+
+        tp->SetRotation(r_vec,dis_360(gen));
+
+        r_vec.x=dis_360(gen);
+        r_vec.y=dis_360(gen);
+        r_vec.z=dis_360(gen);
+
+        tp->SetScale(r_vec);
+
+        r_vec.x=dis_360(gen);
+        r_vec.y=dis_360(gen);
+        r_vec.z=dis_360(gen);
+
+        tp->SetTranslation(r_vec);
+
+        ++tp;
+    }
+
+    tp=t;
+
+    st=GetDoubleTime();
+    for(int i=0;i<TEST_COUNT;i++)
+    {
+        *m=tp->GetMatrix();
+
+        ++tp;
+        ++m;
+    }
+    et=GetDoubleTime();
+
+    std::cout<<"Transform::GetMatrix() "<<TEST_COUNT<<" time: "<<et-st<<"sec."<<std::endl;
+    return 0;
+}
\ No newline at end of file