計(jì)算機(jī)圖形學(xué)上機(jī)實(shí)驗(yàn)

1、計(jì)算機(jī)圖形學(xué)上機(jī)實(shí)驗(yàn)報(bào)告姓名學(xué)號(hào)實(shí)驗(yàn)題目在屏幕上繪制如下參數(shù)曲線：1.建議將曲線分成200份小直線段繪制。2.做適當(dāng)幾何變換，將圖形顯示在屏幕中央。一、實(shí)驗(yàn)設(shè)計(jì)在曲線上按參數(shù)t進(jìn)行for循環(huán)200次，每次將ti=i/200代入?yún)?shù)方程計(jì)算出一個(gè)點(diǎn)。將這些點(diǎn)連成折線段即可。glBegin(GL_LINE_STRIP);for( )glVertex(xi,yi);glEnd();二、關(guān)鍵代碼/ test4.cpp : 此文件包含 main 函數(shù)。程序執(zhí)行將在此處開始并結(jié)束。/#include pch.h#include #include #include const GLfloat Pi = 3.

2、f;/定義點(diǎn)集struct data GLfloat x;GLfloat y;Point201;void init() /初始化函數(shù)glClearColor(1.0, 1.0, 1.0, 0.0); /設(shè)置背景顏色glMatrixMode(GL_PROJECTION); / 設(shè)置投影參數(shù)gluOrtho2D(0.0, 600.0, 0.0, 400.0); / 設(shè)置場景的大小void mydisplay() /顯示函數(shù)glClear(GL_COLOR_BUFFER_BIT);glColor3f(1.0, 0.0, 0.0); /設(shè)置線條顏色glPointSize(2); /設(shè)置點(diǎn)的大小glTr

3、anslatef(100.0f, 0.0f, 0.0f); /平移圖形glScalef(0.5f, 0.5f, 0.0f); /縮小圖像0.5倍glRotatef(60.0f, 1.0f, 0.0f, 0.0f); /沿x軸旋轉(zhuǎn)60度glBegin(GL_LINE_STRIP);for (int i = 1; i = 200; i+)GLfloat t = i / 200.0;Pointi.x = 200.0 + 50.0 * (2.0 * cos(2.0 * Pi*t) - cos(4.0 * Pi*t); /參數(shù)曲線Pointi.y = 150.0 + 50.0 * (2.0 * sin(2.0 * Pi*t) - sin(4.0 * Pi*t); /參數(shù)曲線glVertex2i(Pointi.x, Pointi.y); /繪制曲線glEnd();glFlush();int main(int argc, char *argv)glutInit(&argc, argv);glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);glutInitWindowPosition(100, 100);glutInitWindowSize(400, 400);glutCreateWindow(繪制曲線及圖形變換);init(