建档

source/Tool/TransformT.cpp

@@ -0,0 +1,52 @@
+#include "TransformT.h"
+
+TransformT::TransformT()
+    : rotation(0.f), position(), scale(1.f, 1.f)
+{
+}
+
+bool TransformT::IsFast() const
+{
+    return scale.x == 1.f && scale.y == 1.f && rotation == 0.f;
+}
+
+bool TransformT::operator==(const TransformT &rhs) const
+{
+    return position == rhs.position && rotation == rhs.rotation && scale == rhs.scale;
+}
+
+// -------------------------- 加法运算符实现 --------------------------
+TransformT TransformT::operator+(const TransformT &rhs) const
+{
+    TransformT result;
+    result.rotation = this->rotation + rhs.rotation;
+    result.position = this->position + rhs.position;
+    result.scale = this->scale + rhs.scale;
+    return result;
+}
+
+TransformT TransformT::operator-(const TransformT &rhs) const
+{
+    TransformT result;
+    result.rotation = this->rotation - rhs.rotation;
+    result.position = this->position - rhs.position;
+    result.scale = this->scale - rhs.scale;
+    return result;
+}
+
+// -------------------------- 复合赋值运算符实现 --------------------------
+TransformT &TransformT::operator+=(const TransformT &rhs)
+{
+    this->rotation += rhs.rotation;
+    this->position += rhs.position;
+    this->scale += rhs.scale;
+    return *this;
+}
+
+TransformT &TransformT::operator-=(const TransformT &rhs)
+{
+    this->rotation -= rhs.rotation;
+    this->position -= rhs.position;
+    this->scale -= rhs.scale;
+    return *this;
+}