From 9b639938edb26805f0b4776c03cae1b34000e4a0 Mon Sep 17 00:00:00 2001
From: biss <bishsh2006@outlook.com>
Date: Sat, 11 Apr 2026 19:57:48 +0800
Subject: [PATCH] xiug

---
 lab1/1.cpp |   8 +++++++-
 lab1/2.cpp |   4 ++--
 lab1/2.exe | Bin 66836 -> 66836 bytes
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lab1/1.cpp b/lab1/1.cpp
index 82b1c05..f37eb87 100644
--- a/lab1/1.cpp
+++ b/lab1/1.cpp
@@ -1,15 +1,19 @@
 #include<GL/glut.h>
 using namespace std;
 
+// 回调函数
 void myDisplay()
 {
+	// 清除缓冲区
 	glClearColor(0.0, 0.0, 0.0, 0.0);
 	glClear(GL_COLOR_BUFFER_BIT);
+	// 正交模式
 	glMatrixMode(GL_PROJECTION);
 	gluOrtho2D(0.0, 500.0, 0.0, 500.0);
 	glColor4f(0.0, 1.0, 0.0, 0.0);
 	glRectf(50.0, 50.0, 400.0, 400.0);
 
+	// 划线
 	glColor3f(1.0, 1.0, 0.0);
 	glBegin(GL_LINES);
 	glVertex2f(50.0, 50.0);
@@ -18,12 +22,14 @@ void myDisplay()
 	glVertex2f(50.0, 400.0);
 	glEnd();
 
+	// 画点
 	glColor3f(1.0, 0.0,  0.0);
 	glPointSize(20.0);
 	glBegin(GL_POINTS);
 	glVertex2f(15.0, 15.0);
 	glEnd();
 
+	// 画三角形
 	glBegin(GL_TRIANGLES);
 	glColor3f(0.0, 0.0, 1.0);
 	glVertex2i(200, 300);
@@ -41,7 +47,7 @@ int main(int argc, char* argv[])
 	glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
 	glutInitWindowPosition(100, 100);
 	glutInitWindowSize(500, 500);
-	glutCreateWindow("����");
+	glutCreateWindow("The First OpenGL Program");
 	glutDisplayFunc(&myDisplay);
 	glutMainLoop();
 	return 0;
diff --git a/lab1/2.cpp b/lab1/2.cpp
index 01f7c91..997f822 100644
--- a/lab1/2.cpp
+++ b/lab1/2.cpp
@@ -15,7 +15,7 @@ void drawDDALine(int x1, int y1, int x2, int y2) {
     int dy = y2 - y1;
 
     // ȷ��������ȡ dx �� dy �о���ֵ�ϴ���Ǹ�
-    int steps = std::abs(dx) > std::abs(dy) ? std::abs(dx) : std::abs(dy);
+    int steps = std::abs(dx) > std::abs(dy) ? std::abs(dx) : std::abs(dy);  //��Ԫ����ʽ
 
     // ����ÿһ��������
     float xIncrement = (float)dx / steps;
@@ -28,7 +28,7 @@ void drawDDALine(int x1, int y1, int x2, int y2) {
     for (int k = 0; k < steps; k++) {
         x += xIncrement;
         y += yIncrement;
-        // ������������������ת��Ϊ������������
+        // ������������������ȡ��ת��Ϊ������������
 		std::cout << (int)round(x) << ", " << (int)round(y)<<"\n";
         glVertex2i((int)round(x), (int)round(y));
     }
diff --git a/lab1/2.exe b/lab1/2.exe
index e6348df8bcf1aa59f7f9938ae9fed89363fbddcd..41b3ff3050737f583fa7004689bb2b3c9d33d747 100644
GIT binary patch
delta 34
scmV+-0NwwTiUgF31dxaW`<vL2i%kMs>ap5}F9yrwx2OOBvt}@^)EsdToB#j-

delta 34
scmV+-0NwwTiUgF31dxaWaaPiii%kN1L$TV1F9zqXm*%sTvt}@^)CY4AjQ{`u