OpenGL 内插动画的演示_opengl展示轮播动画-优快云博客

本文链接：https://blog.youkuaiyun.com/rorger/article/details/6370608

该博客演示了如何使用OpenGL进行线性内插动画的创建。通过`drawTween`函数，将多边形A平滑过渡到多边形B，随着时间参数`t`的变化，展示不同的渐变效果。代码中涉及`math.h`、`delete`和`buffer`等概念，以一系列图像展示了动画从开始到结束的状态变化。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

OpenGL 内插动画的演示

点此下载：

http://rorger.download.youkuaiyun.com/

//rorger, 2011 //linearAnimation.cpp //内插动画的演示 #include "myglbase.h" #include "glut.h" #include "windows.h" #include "math.h" void drawPolygon(Point2* array,int numberOfPoints) { glBegin(GL_LINE_LOOP); for (int i=0;i<numberOfPoints;i++) { glVertex2d(array[i].x,array[i].y); } glEnd(); } //多边形A到多边形B的渐变，t为时间参数 [0-1] void drawTween(Point2 *arrayA ,Point2* arrayB,int numberOfPoints,double t) { Point2* arrayC = new Point2[numberOfPoints]; for (int i=0;i<numberOfPoints;i++) { arrayC[i] = arrayA[i]+t*(arrayB[i]-arrayA[i]); } drawPolygon(arrayC,numberOfPoints); delete arrayC; } void testTween() { double numberOfPoints=11; double min=0, max=1.0; Point2 arrayA[]= { Point2(0,10), Point2(-1.5,7), Point2(-0.8,7), Point2(-4,3.5), Point2(-0.6,3.5), Point2(-0.6,0), Point2(0.6,0), Point2(0.6,3.5), Point2(4,3.5), Point2(0.8,7), Point2(1.5,7) }; Point2 arrayB[]= { Point2(2.5,10), Point2(-1,10), Point2(-1,0), Point2(0.8,0), Point2(0.8,3.8), Point2(4,3.8), Point2(4,5.8), Point2(0.8,5.8), Point2(0.8,8), Point2(6,8), Point2(6,10) }; for (double t=min;t<=max;t+=0.1) { glClear(GL_COLOR_BUFFER_BIT); drawTween(arrayA,arrayB,numberOfPoints,t); glFlush(); Sleep(fabs(t-0.5)*1000); } }

看看效果吧：