📄 f16.c
字号:
/*
* F-16 program from Chapter 12.
*
* Written by Michael Sweet
*/
#include <GL/glut.h>
#include <math.h>
#ifndef M_PI
# define M_PI (double)3.14159265358979323846
#endif /* !M_PI */
#include "texture.h"
/*
* Globals...
*/
int Width; /* Width of window */
int Height; /* Height of window */
GLuint F16Body, /* F-16 body */
F16Rolleron[2]; /* F-16 rollerons */
GLuint F16Texture[2]; /* Camoflage texture objects */
double LastTime; /* Last update time */
int MouseStartX; /* Initial mouse X position */
int MouseStartY; /* Initial mouse Y position */
int MouseX; /* Mouse X position */
int MouseY; /* Mouse Y position */
int UseTexturing = 1; /* Use texture mapping? */
GLfloat Orientation[3] = /* Orientation of viewer */
{
15.0, 45.0, 30.0
};
/*
* Functions...
*/
void BuildF16(void);
void APIENTRY glu_vertex(GLdouble *xyz);
double GetClock(void);
void Idle(void);
void Keyboard(unsigned char key, int x, int y);
void Joystick(unsigned state, int x, int y, int z);
void Motion(int x, int y);
void Mouse(int button, int state, int x, int y);
void Redraw(void);
void Resize(int width, int height);
/*
* 'main()' - Open a window and display a sphere and cube.
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(792, 573);
glutCreateWindow("F-16 Using Quadrics and GLU Polygons");
glutDisplayFunc(Redraw);
glutKeyboardFunc(Keyboard);
glutMouseFunc(Mouse);
glutMotionFunc(Motion);
glutReshapeFunc(Resize);
if (glutDeviceGet(GLUT_HAS_JOYSTICK))
glutJoystickFunc(Joystick, 100);
BuildF16();
glutMainLoop();
return (0);
}
/*
* 'BuildF16()' - Build the F-16 model.
*/
void
BuildF16(void)
{
int i; /* Looping var */
GLUquadric *quadric; /* Quadric object */
#ifdef GLU_VERSION_1_2
GLUtesselator *tess; /* Tesselator object */
#else
GLUtriangulatorObj *tess;
#endif /* GLU_VERSION_1_2 */
static GLdouble wing[][5] = /* Main wing points */
{
/* { x, y, z, s, t } */
{ 0.25, 0.0, -1.0, 0.125, 0.0 },
{ 0.45, 0.0, 0.0, 0.25, 0.4 },
{ 1.65, 0.0, 0.8, 1.0, 0.8 },
{ 1.65, 0.0, 1.2, 1.0, 1.0 },
{ 0.35, 0.0, 1.2, 0.15, 1.0 },
{ 0.35, 0.0, 2.4, 0.15, 2.0 },
{ 0.25, 0.0, 2.4, 0.125, 2.0 },
{ 0.25, 0.0, 2.0, 0.125, 1.5 },
{ -0.25, 0.0, 2.0, -0.125, 1.5 },
{ -0.25, 0.0, 2.4, -0.125, 2.0 },
{ -0.35, 0.0, 2.4, -0.15, 2.0 },
{ -0.35, 0.0, 1.2, -0.15, 1.0 },
{ -1.65, 0.0, 1.2, -1.0, 1.0 },
{ -1.65, 0.0, 0.8, -1.0, 0.8 },
{ -0.45, 0.0, 0.0, -0.25, 0.4 },
{ -0.25, 0.0, -1.0, -0.125, 0.0 }
};
static GLdouble tail[][5] = /* Tail points */
{
/* { x, y, z, s, t } */
{ 0.0, 0.24, 0.5, 1.5, 0.0 },
{ 0.0, 0.4, 1.1, 1.2, 0.1 },
{ 0.0, 1.0, 2.0, 0.4, 1.0 },
{ 0.0, 1.0, 2.4, 0.05, 1.0 },
{ 0.0, 0.4, 2.1, 0.2, 0.1 },
{ 0.0, 0.24, 2.1, 0.2, 0.0 }
};
static GLdouble left_fin[][5] = /* Left fin points */
{
/* { x, y, z, s, t } */
{ -0.1, -0.1, 1.1, 0.0, 0.0 },
{ -0.25, -0.3, 1.2, 1.0, 0.0 },
{ -0.25, -0.3, 1.5, 1.0, 1.0 },
{ -0.1, -0.1, 1.5, 1.0, 0.0 }
};
static GLdouble right_fin[][5] = /* Right fin points */
{
/* { x, y, z, s, t } */
{ 0.1, -0.1, 1.1, 0.0, 0.0 },
{ 0.25, -0.3, 1.2, 1.0, 0.0 },
{ 0.25, -0.3, 1.5, 1.0, 1.0 },
{ 0.1, -0.1, 1.5, 1.0, 0.0 }
};
static GLdouble left_rolleron[][5] = /* Left rolleron points */
{
/* { x, y, z, s, t } */
{ -0.35, 0.0, 1.6, 0.0, 0.0 },
{ -0.85, 0.0, 2.1, 1.0, 0.5 },
{ -0.85, 0.0, 2.4, 1.0, 1.0 },
{ -0.35, 0.0, 2.4, 0.0, 1.0 }
};
static GLdouble right_rolleron[][5] = /* Right rolleron points */
{
/* { x, y, z, s, t } */
{ 0.35, 0.0, 1.6, 0.0, 0.0 },
{ 0.85, 0.0, 2.1, 1.0, 0.5 },
{ 0.85, 0.0, 2.4, 1.0, 1.0 },
{ 0.35, 0.0, 2.4, 0.0, 1.0 }
};
/* Load the texture images */
F16Texture[0] = TextureLoad("camoflage.bmp", GL_FALSE, GL_NEAREST,
GL_NEAREST, GL_REPEAT);
F16Texture[1] = TextureLoad("tail.bmp", GL_FALSE, GL_NEAREST,
GL_NEAREST, GL_REPEAT);
/* Then build the F-16 body */
F16Body = glGenLists(1);
glNewList(F16Body, GL_COMPILE);
glBindTexture(GL_TEXTURE_2D, F16Texture[0]);
tess = gluNewTess();
gluTessCallback(tess, GLU_TESS_BEGIN, glBegin);
gluTessCallback(tess, GLU_TESS_END, glEnd);
gluTessCallback(tess, GLU_TESS_VERTEX, (void (CALLBACK *)())glu_vertex);
quadric = gluNewQuadric();
gluQuadricTexture(quadric, GL_TRUE);
/* Main fuselage */
glColor3f(0.8, 0.8, 0.8);
glPushMatrix();
glTranslatef(0.0, 0.0, -1.5);
gluCylinder(quadric, 0.25, 0.25, 3.5, 20, 2);
glPopMatrix();
/* Nose */
glColor3f(0.8, 0.8, 0.8);
glPushMatrix();
glTranslatef(0.0, 0.0, -2.5);
gluCylinder(quadric, 0.0, 0.25, 1.0, 20, 2);
glPopMatrix();
/* Main wing */
glColor3f(0.8, 0.8, 0.8);
glNormal3f(0.0, 1.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
for (i = 0; i < 16; i ++)
gluTessVertex(tess, wing[i], wing[i]);
#ifdef GL_VERSION_1_2
gluTessEndContour(tess);
#endif /* GL_VERSION_1_2 */
gluTessEndPolygon(tess);
/* Fins */
glColor3f(0.8, 0.8, 0.8);
glNormal3f(-1.0, 0.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
for (i = 0; i < 4; i ++)
gluTessVertex(tess, left_fin[i], left_fin[i]);
#ifdef GL_VERSION_1_2
gluTessEndContour(tess);
#endif /* GL_VERSION_1_2 */
gluTessEndPolygon(tess);
glColor3f(0.8, 0.8, 0.8);
glNormal3f(1.0, 0.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
for (i = 0; i < 4; i ++)
gluTessVertex(tess, right_fin[i], right_fin[i]);
#ifdef GL_VERSION_1_2
gluTessEndContour(tess);
#endif /* GL_VERSION_1_2 */
gluTessEndPolygon(tess);
/* Tail */
glBindTexture(GL_TEXTURE_2D, F16Texture[1]);
glColor3f(0.8, 0.8, 0.8);
glNormal3f(1.0, 0.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
for (i = 0; i < 6; i ++)
gluTessVertex(tess, tail[i], tail[i]);
#ifdef GL_VERSION_1_2
gluTessEndContour(tess);
#endif /* GL_VERSION_1_2 */
gluTessEndPolygon(tess);
/* Don't texture any more of the body... */
glDisable(GL_TEXTURE_2D);
/* Canopy */
glPushMatrix();
glColor4f(0.5, 0.5, 1.0, 0.75);
glTranslatef(0.0, 0.2, -1.0);
glScalef(1.0, 1.0, 0.65 / 0.15);
gluSphere(quadric, 0.15, 6, 12);
glPopMatrix();
/* Engine */
glPushMatrix();
/* Cowling */
glColor3f(0.1, 0.1, 0.1);
glTranslatef(0.0, 0.0, 2.0);
gluCylinder(quadric, 0.25, 0.15, 0.5, 20, 2);
gluDisk(quadric, 0.0, 0.25, 20, 2);
/* Exhaust */
glPushAttrib(GL_LIGHTING_BIT);
glColorMaterial(GL_FRONT_AND_BACK, GL_EMISSION);
glColor3f(0.5, 0.5, 1.0);
gluCylinder(quadric, 0.2, 0.0, 0.3, 10, 2);
glColor4f(0.25, 0.25, 1.0, 0.75);
gluCylinder(quadric, 0.2, 0.1, 0.4, 10, 2);
glPopAttrib();
glPopMatrix();
glEndList();
/* Now the left rolleron */
F16Rolleron[0] = glGenLists(1);
glNewList(F16Rolleron[0], GL_COMPILE);
glBindTexture(GL_TEXTURE_2D, F16Texture[0]);
glColor3f(0.8, 0.8, 0.8);
glNormal3f(0.0, 1.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
for (i = 0; i < 4; i ++)
gluTessVertex(tess, left_rolleron[i], left_rolleron[i]);
#ifdef GL_VERSION_1_2
gluTessEndContour(tess);
#endif /* GL_VERSION_1_2 */
gluTessEndPolygon(tess);
glEndList();
/* And the right rolleron */
F16Rolleron[1] = glGenLists(1);
glNewList(F16Rolleron[1], GL_COMPILE);
glBindTexture(GL_TEXTURE_2D, F16Texture[0]);
glColor3f(0.8, 0.8, 0.8);
glNormal3f(0.0, 1.0, 0.0);
gluTessBeginPolygon(tess, NULL);
#ifdef GL_VERSION_1_2
gluTessBeginContour(tess);
#endif /* GL_VERSION_1_2 */
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -