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github方案移植 步骤二 方案的代码部分Transformation - wukong - 04-29-2024 此部分为作者自己编写的光点转换函数 class Transformation{   private:   int* x;   int* y;   int pointX;   int pointY;   int screenWidth;   int screenHeight;   double x1(double varX, double varY);   double x2(double varX, double varY);   double x3(double varX, double varY);   double x4(double varX, double varY);     double y1(double varX, double varY);   double y2(double varX, double varY);   double y3(double varX, double varY);   double y4(double varX, double varY);   public:   Transformation(int* pX, int* pY, int pScreenWidth, int pScreenHeight, int pPointX, int pPointY);   int u();   int v();   }; #以上为函数的头文件部分，为一个结构类声明 #以下为函数的cpp文件，与设定的屏幕分辨率进行对应 #include "Transformation.h" Transformation::Transformation(int* pX, int* pY, int pScreenWidth, int pScreenHeight, int pPointX, int pPointY) {   x = pX;   y = pY;   screenWidth = pScreenWidth;   screenHeight = pScreenHeight;   pointX = pPointX;   pointY = pPointY; } //声明x1函数，获取坐标与x0之间的x值 只使用第一个参数，问什么要声明2个参数呢 double Transformation::x1(double varX, double varY) {   return varX - x[0]; } //声明x2函数，内部调用x1函数，不明白问什么要多声明一个 double Transformation::x2(double varX, double varY) {   return x1(varX, varY); } double Transformation::x3(double varX, double varY) {   return x2(varX, varY) - y2(varX, varY) * x2(x[2], y[2]) / y2(x[2], y[2]); } double Transformation::x4(double varX, double varY) {   return (((x3(x[1], y[1]) / x3(x[3], y[3])) - 1) * (y3(varX, varY) / y3(x[3], y[3])) + 1) * x3(varX, varY); } //换算到屏幕位置x int Transformation::u() {   return (int) (x4(pointX, pointY) * screenWidth / x4(x[3], y[3])); } //声明y1函数 获取坐标与y0之间的y值 double Transformation::y1(double varX, double varY) {   return varY - y[0]; } //获取坐标到顶边的y值 double Transformation::y2(double varX, double varY) {   return y1(varX, varY) - x1(varX, varY) * y1(x[1], y[1]) / x1(x[1], y[1]); } //声明函数y3，函数调用y2 double Transformation::y3(double varX, double varY) {   return y2(varX, varY); } double Transformation::y4(double varX, double varY) {   return (((y3(x[2], y[2]) / y3(x[3], y[3])) - 1) * (x3(varX, varY) / x3(x[3], y[3])) + 1) * y3(varX, varY); } //换算到屏幕位置y int Transformation::v() {   return (int) (y4(pointX, pointY) * screenHeight / y4(x[3], y[3])); }