|
#pragma comment(linker, "/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
#include <GL/freeglut/freeglut.h>
#define WIDTH 320
#define HEIGHT 240
//回転用
float anglex = 0.0f;
//ライトの位置
GLfloat lightpos[] = { 20.0, 80.0, -50.0, 1.0 };
float Ambient[] = {0.8f, 0.0f, 0.2f, 1.0f};
float Diffuse[] = {1.0f, 1.0f, 1.0f, 1.0f};
float specular[]= { 0.4, 0.4, 0.4, 1.0};//鏡面反射
float AmbientLight[] = { 1.0f, 1.0f, 1.0f, 1.0f};
float DiffuseLight[] = { 0.2f, 0.7f, 0.7f, 1.0f};
float SpecularLight[] = {1.0, 1.0, 1.0, 1.0};//鏡面光
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, WIDTH, HEIGHT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//視野角,アスペクト比(ウィンドウの幅/高さ),描画する範囲(最も近い距離,最も遠い距離)
gluPerspective(30.0, (double)WIDTH / (double)HEIGHT, 1.0, 1000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//視点の設定
gluLookAt(150.0,100.0,-200.0, //カメラの座標
0.0,0.0,0.0, // 注視点の座標
0.0,1.0,0.0); // 画面の上方向を指すベクトル
//ライトの設定
glLightfv(GL_LIGHT0, GL_POSITION, lightpos);
glLightfv(GL_LIGHT0, GL_SPECULAR, SpecularLight);
glLightfv(GL_LIGHT0, GL_DIFFUSE, DiffuseLight);
glLightfv(GL_LIGHT0, GL_AMBIENT, AmbientLight);
//マテリアルの設定
glMaterialfv(GL_FRONT, GL_DIFFUSE, Diffuse);
glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
glMaterialfv(GL_FRONT, GL_AMBIENT, Ambient);
glMaterialf(GL_FRONT,GL_SHININESS,8);
//回転
glRotatef(anglex,1.0f,0.0f,0.0f);//X軸を回転
glutSolidSphere(40.0,16,16);
glutSwapBuffers();
}
void idle(void)
{
anglex+=0.2f;
Sleep(1);
glutPostRedisplay();
}
void Init(){
glClearColor(0.3f, 0.3f, 0.3f, 1.0f);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
}
int main(int argc, char *argv[])
{
glutInitWindowPosition(100, 100);
glutInitWindowSize(WIDTH, HEIGHT);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
glutCreateWindow("鏡面反射");
glutDisplayFunc(display);
glutIdleFunc(idle);
Init();
glutMainLoop();
return 0;
}
|
