void display (void)
{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_LIGHTING);
drawAxis();
glEnable(GL_LIGHTING);
glColor3f (1., 0, 0.);
renderScene();
float ground[4] = {1,0,0,4};
myShadowMatrix(ground, position);
glColor3f (0.5, 0.5, 0.5);
renderScene();
glFlush ();
}
void myInit(void)
{
/* glGetIntegerv(GL_MAX_CLIP_PLANES, nest);
printf("GL_MAX_CLIP_PLANES are %d \n", nest[0]); */
/*%%%%%%%% Initialize Positional Light and Ambient Light %%%%%%%%*/
#if 0
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
#endif
#if 0
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmb);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiff);
glLightfv(GL_LIGHT0, GL_SPECULAR, lightSpec);
glEnable(GL_LIGHT0);
#endif
/*** Initial light position is declared in the display function ***/
glLightfv(GL_LIGHT1, GL_AMBIENT, light1Amb);
glLightfv(GL_LIGHT1, GL_DIFFUSE, light1Diff);
glLightfv(GL_LIGHT1, GL_SPECULAR, light1Spec);
glEnable(GL_LIGHT1);
glEnable(GL_LIGHTING);
/* glLightf(GL_LIGHT1, GL_CONSTANT_ATTENUATION, 0.7);*/
/* glLightf(GL_LIGHT1, GL_LINEAR_ATTENUATION, 0.04);*/ /* use 0.04 w/ 24 bit color */
glLightf(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, 0.07); /* try 0.07 w/ 24 bit color */
/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
/*########### Initialize Fog ##################*/
/*
{
GLfloat fog_color[] = {0.5, 0.5, 0.5, 1.0};
GLfloat fog_start[] = {0.0, 0.0, 1.0, 20.0};
glEnable(GL_FOG);
glFogi(GL_FOG_MODE, GL_LINEAR);
glFogfv(GL_FOG_COLOR, fog_color);
glFogf(GL_FOG_DENSITY, 0.35);
glFogfv(GL_FOG_START, fog_start);
glHint(GL_FOG_HINT, GL_FASTEST);
}
*/
/*##########################################*/
/*....Shadow Matrices For Floor, Left Wall, Back Wall, and Right Wall......*/
/* For light0 */
myShadowMatrix(groundPlane, lightPos, shadowMat_ground);
myShadowMatrix(leftPlane, lightPos, shadowMat_left);
myShadowMatrix(columnPlane, lightPos, shadowMat_column);
myShadowMatrix(backPlane, lightPos, shadowMat_back);
myShadowMatrix(rightPlane, lightPos, shadowMat_right);
/* For light1 */
myShadowMatrix(groundPlane, light1Pos, shadowMat1_ground);
myShadowMatrix(leftPlane, light1Pos, shadowMat1_left);
myShadowMatrix(backPlane, light1Pos, shadowMat1_back);
myShadowMatrix(rightPlane, light1Pos, shadowMat1_right);
/*.......................................................................*/
/*sssssssssssssssss Make Satellite Body and Shadow ssssssssssssssssssssssss*/
glNewList(satellite1, GL_COMPILE);
glPushMatrix();
drawSatellite(satellite_diffuse, satellite_ambient, satellite_specular, satellite_shiny);
glPopMatrix();
glEndList();
glNewList(satellite2, GL_COMPILE);
glPushMatrix();
drawSatellite(shadow_diffuse, shadow_ambient, shadow_specular, shadow_shiny);
glPopMatrix();
glEndList();
/*sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss*/
/*ppppppppppppppppppppppppppp Make Solar Panels and Shadows pppppppppppppppppp*/
glNewList(panel1, GL_COMPILE);
glPushMatrix();
drawPanels(panel_color, panel_ambient);
glPopMatrix();
glEndList();
glNewList(panel2, GL_COMPILE);
glPushMatrix();
drawPanels(shadow_diffuse, shadow_ambient);
glPopMatrix();
glEndList();
/*pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp*/
/*========= Make Floor ==============*/
glNewList(ground, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_DIFFUSE, floor_color);
glMaterialfv(GL_FRONT, GL_AMBIENT, shadow_ambient);
glTranslatef(0.0, -1.5, -5.0);
glRotatef(-90.0, 1, 0, 0);
glScalef(5.0, 5.0, 1.0);
drawGround(); /* draw ground */
glPopAttrib();
glPopMatrix();
glEndList();
/*==================================*/
/*@@@@@@@@@@ Make Lamp Post and Lamp @@@@@@@@@@@@*/
glNewList(21, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_AMBIENT, lamp_post_specular);
glTranslatef(0.0, -0.1, -5.0);
glScalef(0.07, 1.45, 0.07);
drawCube(lamp_post_diffuse, lamp_post_ambient); /* draw lamp post */
glPopAttrib();
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, -1.45, -5.0);
glScalef(0.3, 0.05, 0.3);
drawCube(wall_color, cube_ambient); /* draw lamp post base */
glPopMatrix();
glEndList();
glNewList(22, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_AMBIENT, lamp_ambient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, lamp_diffuse);
glMaterialfv(GL_FRONT, GL_SPECULAR, lamp_specular);
glTranslatef(0.0, 1.6, -5.0);
glutSolidSphere(0.3, 20.0, 20.0); /* draw lamp */
glPopAttrib();
glPopMatrix();
glEndList();
/*** Lamp post base shadow ***/
glNewList(501, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_AMBIENT, shadow_ambient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, shadow_diffuse);
glMaterialfv(GL_FRONT, GL_SPECULAR, shadow_specular);
glMaterialfv(GL_FRONT, GL_SHININESS, shadow_shiny);
glTranslatef(0.0, -1.49, -5.0);
glRotatef(-90.0, 1.0, 0.0, 0.0);
glScalef(0.7, 0.7, 1.0);
drawOct();
glPopAttrib();
glPopMatrix();
glEndList();
/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
/*||||||||||| Make Left Wall |||||||||||||*/
glNewList(left_wall, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_DIFFUSE, wall_color);
glMaterialfv(GL_FRONT, GL_AMBIENT, wall_ambient);
glTranslatef(0.0, -1.5, 0.0);
glTranslatef(0.0, 1.2, 0.0);
glTranslatef(0.0, 0.0, -5.0);
glTranslatef(-5.0, 0.0, 0.0);
glRotatef(90.0, 0, 1, 0);
glScalef(4.5, 1.2, 1.0);
glNormal3f (0.0, 0.0, 1.0);
drawGround(); /* draw left wall */
glPopAttrib();
glPopMatrix();
glEndList();
/*||||||||||||||||||||||||||||||||||||||||*/
/*\\\\\\\\\\\\\ Make Right Wall \\\\\\\\\\\\\\\\\\\*/
glNewList(right_wall, GL_COMPILE);
glPushMatrix();
glPushAttrib(GL_LIGHTING_BIT);
glMaterialfv(GL_FRONT, GL_DIFFUSE, wall_color);
glMaterialfv(GL_FRONT, GL_AMBIENT, wall_ambient);
glTranslatef(0.0, -1.5, 0.0);
glTranslatef(0.0, 1.2, 0.0);
glTranslatef(0.0, 0.0, -5.0);
glTranslatef(5.0, 0.0, 0.0);
glRotatef(270.0, 0, 1, 0);
glScalef(4.5, 1.2, 1.0);
glNormal3f (0.0, 0.0, 1.0);
drawGround(); /* draw right wall */
glPopAttrib();
glPopMatrix();
glEndList();
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
/*[[[[[[[[[[[ Build Columns ]]]]]]]]]]]*/
glPushMatrix();
glNewList(1, GL_COMPILE);
glPushMatrix();
glScalef(0.4, 1.4, 0.4);
drawCube(column_color, column_ambient); /* draw column1 */
glPopMatrix();
glEndList();
glNewList(2, GL_COMPILE);
glPushMatrix();
glTranslatef(0.0, -1.45, 0.0);
glScalef(0.5, 0.1, 0.5);
drawCube(wall_color, cube_ambient); /* draw base */
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 1.45, 0.0);
glScalef(0.5, 0.1, 0.5);
drawCube(wall_color, cube_ambient); /* draw top */
glPopMatrix();
glEndList();
glPopMatrix();
glNewList(column, GL_COMPILE);
glPushMatrix();
glCallList(1);
glCallList(2);
glPopMatrix();
glEndList();
/***** Place columns at front of scene. *****/
glNewList(4, GL_COMPILE);
glPushMatrix();
glTranslatef(-5.0, 0.0, -0.5);
glCallList(column);
glPopMatrix();
glEndList();
glNewList(5, GL_COMPILE);
glPushMatrix();
glTranslatef(-1.75, 0.0, -0.5);
glCallList(column);
glPopMatrix();
glEndList();
glNewList(6, GL_COMPILE);
glPushMatrix();
glTranslatef(1.75, 0.0, -0.5);
glCallList(column);
glPopMatrix();
glEndList();
glNewList(17, GL_COMPILE);
glPushMatrix();
glTranslatef(5.0, 0.0, -0.5);
glCallList(column);
glPopMatrix();
glEndList();
/*** Get the modelview matrix once ***/
glPushMatrix();
glRotatef(-mvr_d, mvr_x, mvr_y, mvr_z);
glTranslatef(-mvt_x, -mvt_y, -mvt_z);
glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *) four_columnsXform);
glPopMatrix();
glNewList(four_columns, GL_COMPILE);
glPushMatrix();
glCallList(4);
glCallList(5);
glCallList(6);
glCallList(17);
glPopMatrix();
glEndList();
/***** Make two columns for sides of scene *****/
glNewList(two_columns, GL_COMPILE);
glPushMatrix();
glRotatef(90.0, 0.0, 1.0, 0.0);
glTranslatef(5.0, 0.0, -5.0);
glPushMatrix();
glTranslatef(0.0, 0.0, -0.3);
glCallList(column);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 0.0, 10.3);
glCallList(column);
glPopMatrix();
glPopMatrix();
glEndList();
/*[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]*/
/* .......................Make shadows .........................*/
glPushMatrix();
glNewList(8, GL_COMPILE);
glPushMatrix();
glScalef(0.4, 1.4, 0.4);
drawCube(shadow_diffuse, shadow_ambient); /* draw column1 */
glPopMatrix();
glEndList();
glNewList(9, GL_COMPILE);
glPushMatrix();
glTranslatef(0.0, -1.45, 0.0);
glScalef(0.5, 0.1, 0.5);
drawCube(shadow_diffuse, shadow_ambient); /* draw base. */
glPopMatrix();
glPushMatrix();
glTranslatef(0.0, 1.45, 0.0);
glScalef(0.5, 0.1, 0.5);
drawCube(shadow_diffuse, shadow_ambient); /* draw top. */
glPopMatrix();
glEndList();
glPopMatrix();
glNewList(10, GL_COMPILE);
glPushMatrix();
glCallList(8);
glCallList(9);
glPopMatrix();
glEndList();
glNewList(11, GL_COMPILE);
glPushMatrix();
glTranslatef(-5.0, 0.0, -0.5);
glCallList(10);
glPopMatrix();
glEndList();
glNewList(12, GL_COMPILE);
glPushMatrix();
glTranslatef(-1.75, 0.0, -0.5);
glCallList(10);
glPopMatrix();
glEndList();
glNewList(13, GL_COMPILE);
glPushMatrix();
glTranslatef(1.75, 0.0, -0.5 );
glCallList(10);
glPopMatrix();
glEndList();
glNewList(14, GL_COMPILE);
glPushMatrix();
glTranslatef(5.0, 0.0, -0.5 );
glCallList(10);
glPopMatrix();
glEndList();
glNewList(15, GL_COMPILE);
glPushMatrix();
glCallList(11);
glCallList(12);
glCallList(13);
glCallList(14);
glPopMatrix();
glEndList();
glNewList(100, GL_COMPILE);
glPushMatrix();
glMultMatrixf((const GLfloat *) shadowMat_ground);
glTranslatef(-mvt_x, -mvt_y, -mvt_z); /* correct for modelview matrix */
glRotatef(-mvr_d, mvr_x, mvr_y, mvr_z);
glMultMatrixf((const GLfloat *) four_columnsXform);
glCallList(15);
glPopMatrix();
glEndList();
glNewList(101, GL_COMPILE);
glPushMatrix();
glMultMatrixf((const GLfloat *) shadowMat_left);
glTranslatef(-mvt_x, -mvt_y, -mvt_z); /* correct for modelview matrix */
glRotatef(-mvr_d, mvr_x, mvr_y, mvr_z);
glMultMatrixf((const GLfloat *) four_columnsXform);
glCallList(15);
glPopMatrix();
glEndList();
glNewList(102, GL_COMPILE);
glPushMatrix();
glMultMatrixf((const GLfloat *) shadowMat_back);
glRotatef(-mvr_d, mvr_x, mvr_y, mvr_z);
glTranslatef(-mvt_x, -mvt_y, -mvt_z); /* correct for modelview matrix */
glMultMatrixf((const GLfloat *) four_columnsXform);
glCallList(15);
glPopMatrix();
glEndList();
glNewList(103, GL_COMPILE);
glPushMatrix();
glMultMatrixf((const GLfloat *) shadowMat_right);
glRotatef(-mvr_d, mvr_x, mvr_y, mvr_z);
glTranslatef(-mvt_x, -mvt_y, -mvt_z); /* correct for modelview matrix */
glMultMatrixf((const GLfloat *) four_columnsXform);
glCallList(15);
glPopMatrix();
glEndList();
/* ......................................................*/
}