183 lines
4.4 KiB
C
183 lines
4.4 KiB
C
/*
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* bgammon.c
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*
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* start easy, just have pieces...
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*
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*/
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#include <windows.h>
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#include <gl.h>
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#include <glu.h>
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#include <glaux.h>
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GLvoid initialize(GLvoid);
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GLvoid drawScene(GLvoid);
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GLvoid resize(GLsizei, GLsizei);
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GLvoid drawLight(GLvoid);
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void polarView( GLdouble, GLdouble, GLdouble, GLdouble);
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GLfloat latitude, longitude, radius;
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void __cdecl main(void)
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{
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initialize();
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auxMainLoop( drawScene );
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}
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GLvoid resize( GLsizei width, GLsizei height )
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{
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GLfloat aspect;
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glViewport( 0, 0, width, height );
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aspect = (GLfloat) width / height;
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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gluPerspective( 45.0, aspect, 3.0, 7.0 );
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glMatrixMode( GL_MODELVIEW );
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}
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GLvoid initialize(GLvoid)
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{
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GLfloat maxObjectSize, aspect;
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GLdouble near_plane, far_plane;
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GLsizei width, height;
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GLfloat ambientProperties[] = {2.0, 2.0, 2.0, 1.0};
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GLfloat diffuseProperties[] = {0.8, 0.8, 0.8, 1.0};
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GLfloat specularProperties[] = {1.0, 4.0, 4.0, 1.0};
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width = 1024.0;
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height = 768.0;
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auxInitPosition( width/4, height/4, width/2, height/2);
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auxInitDisplayMode( AUX_RGBA | AUX_DEPTH16 | AUX_DOUBLE );
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auxInitWindow( "Rotating Shapes" );
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auxIdleFunc( drawScene );
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auxReshapeFunc( resize );
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glClearColor( 0.0, 0.0, 0.0, 1.0 );
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glClearDepth( 1.0 );
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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glLightfv( GL_LIGHT0, GL_AMBIENT, ambientProperties);
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glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuseProperties);
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glLightfv( GL_LIGHT0, GL_SPECULAR, specularProperties);
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glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1.0);
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glEnable( GL_LIGHT0 );
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glMatrixMode( GL_PROJECTION );
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aspect = (GLfloat) width / height;
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gluPerspective( 45.0, aspect, 3.0, 7.0 );
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glMatrixMode( GL_MODELVIEW );
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near_plane = 3.0;
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far_plane = 7.0;
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maxObjectSize = 3.0;
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radius = near_plane + maxObjectSize/2.0;
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latitude = 0.0;
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longitude = 0.0;
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}
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void polarView(GLdouble radius, GLdouble twist, GLdouble latitude,
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GLdouble longitude)
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{
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glTranslated(0.0, 0.0, -radius);
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glRotated( -twist, 0.0, 0.0, 1.0 );
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glRotated( -latitude, 1.0, 0.0, 0.0);
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glRotated( longitude, 0.0, 0.0, 1.0);
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}
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GLvoid drawScene(GLvoid)
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{
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static GLfloat whiteAmbient[] = {0.3, 0.3, 0.3, 1.0};
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static GLfloat redAmbient[] = {0.3, 0.1, 0.1, 1.0};
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static GLfloat greenAmbient[] = {0.1, 0.3, 0.1, 1.0};
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static GLfloat blueAmbient[] = {0.1, 0.1, 0.3, 1.0};
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static GLfloat whiteDiffuse[] = {1.0, 1.0, 1.0, 1.0};
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static GLfloat redDiffuse[] = {1.0, 0.0, 0.0, 1.0};
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static GLfloat greenDiffuse[] = {0.0, 1.0, 0.0, 1.0};
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static GLfloat blueDiffuse[] = {0.0, 0.0, 1.0, 1.0};
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static GLfloat whiteSpecular[] = {1.0, 1.0, 1.0, 1.0};
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static GLfloat redSpecular[] = {1.0, 0.0, 0.0, 1.0};
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static GLfloat greenSpecular[] = {0.0, 1.0, 0.0, 1.0};
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static GLfloat blueSpecular[] = {0.0, 0.0, 1.0, 1.0};
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static GLfloat lightPosition0[] = {0.0, 0.0, 0.0, 1.0};
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static GLfloat angle = 0.0;
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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glPushMatrix();
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latitude += 6.0;
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longitude += 2.5;
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polarView( radius, 0, latitude, longitude );
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glPushMatrix();
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angle += 6.0;
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glRotatef(angle, 1.0, 0.0, 1.0);
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glTranslatef( 0.0, 1.5, 0.0);
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glLightfv(GL_LIGHT0, GL_POSITION, lightPosition0);
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drawLight();
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glPopMatrix();
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glPushAttrib(GL_LIGHTING_BIT);
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glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, redAmbient);
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glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, redDiffuse);
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glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, whiteSpecular);
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glMaterialf(GL_FRONT, GL_SHININESS, 100.0);
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auxSolidCone( 0.3, 0.6 );
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glPopAttrib();
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auxWireSphere(1.5);
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glPushAttrib(GL_LIGHTING_BIT);
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glMaterialfv(GL_BACK, GL_AMBIENT, greenAmbient);
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glMaterialfv(GL_BACK, GL_DIFFUSE, greenDiffuse);
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glMaterialfv(GL_FRONT, GL_AMBIENT, blueAmbient);
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glMaterialfv(GL_FRONT, GL_DIFFUSE, blueDiffuse);
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glMaterialfv(GL_FRONT, GL_SPECULAR, blueSpecular);
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glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
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glPushMatrix();
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glTranslatef(0.8, -0.65, 0.0);
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glRotatef(30.0, 1.0, 0.5, 1.0);
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auxSolidCylinder( 0.3, 0.6 );
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glPopMatrix();
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glPopAttrib();
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glPopMatrix();
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auxSwapBuffers();
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}
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GLvoid drawLight(GLvoid)
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{
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glPushAttrib(GL_LIGHTING_BIT);
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glDisable(GL_LIGHTING);
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glColor3f(1.0, 1.0, 1.0);
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auxSolidDodecahedron(0.1);
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glPopAttrib();
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}
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