计算机图形学-光照模型

最新推荐文章于 2023-12-31 01:47:37 发布

原创

最新推荐文章于 2023-12-31 01:47:37 发布 · 1.9k 阅读

10 ·

CC 4.0 BY-SA版权

这篇博客通过OpenGL展示了如何初始化光照模型，包括设置材质属性、光源位置和环境光，并使用glutSolidTeapot绘制带光照效果的茶壶，演示了基本的图形学光照处理。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

#include<gl/glut.h>
#include<stdlib.h>
void init(void)
{
	GLfloat mat_specular[]={1.0,1.0,1.0,1.0};
	GLfloat mat_shininess[]={50.0};
	GLfloat light_position[]={1.0,1.0,1.0,0.0};
	GLfloat white_light[]={1.0,1.0,1.0,1.0};
	GLfloat Light_Model_Ambient[]={0.2,0.2,0.2,1.0};

	glClearColor (0.0,0.0,0.0,0.0);
	glShadeModel(GL_SMOOTH);

	glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular);
	glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess);

	glLightfv(GL_LIGHT0,GL_POSITION, light_position);
	glLightfv(GL_LIGHT0,GL_DIFFUSE, white_light);
	glLightfv(GL_LIGHT0,GL_SPECULAR, white_light);
	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, Light_Model_Ambient);

	glEnable(GL_LIGHTING);
	glEnable(GL_LIGHT0);
	glEnable(GL_DEPTH_TEST);
}

void display(void)
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glutSolidTeapot(0.5);
	glFlush();
}

void reshape(int w, int h)
{
	glViewport(0,0,(GLsizei)w, (GLsizei) h);
	glMatr