}\r
\r
\r
-static GLfloat lightColor[] = {0.8, 1.0, 0.8, 1.0}; /* green-tinted */\r
+static GLfloat lightColor[] = {1.0, 1.0, 1.0, 1.0}; /* green-tinted */\r
static GLfloat lightPosition[4];\r
-static float lightAngle = 0.0, lightHeight = 20;\r
+static float lightAngle = 10.0, lightHeight = 20;\r
\r
\r
/**\r
* Display function\r
*/\r
void display() {\r
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
- glLoadIdentity();\r
-\r
- /*glTranslatef( 0.0f, 0.0f, 0.0f);\r
- glBegin(GL_QUADS);\r
- glVertex3f( 0.0f, 1.0f, -1.0f);\r
- glVertex3f( 0.0f, 1.0f, 1.0f);\r
- glVertex3f( 0.0f, -1.0f, 1.0f);\r
- glVertex3f( 0.0f, -1.0f, -1.0f);\r
- glEnd();*/\r
-\r
-\r
- //glTranslatef( 0.0f, 0.0f, -5.0f); // Move into the Screen 10.0\r
- //glutSolidTeapot(1);\r
-\r
- /* glMatrixMode(GL_MODELVIEW);\r
- glLoadIdentity();\r
- gluLookAt(0.7f, 0.4f, 0.9f, -2.0f, -1.0f, -7.0f, 1.0f, 10.0f, 1.0f);\r
-\r
-\r
- glMatrixMode(GL_PROJECTION);\r
- glLoadIdentity();*/\r
-\r
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);\r
+ glLoadIdentity();\r
\r
- /* Reposition the light source. */\r
+ /* Reposition the light source. */\r
lightPosition[0] = 12*cos(lightAngle);\r
lightPosition[1] = lightHeight;\r
lightPosition[2] = 12*sin(lightAngle);\r
- //if (directionalLight) {\r
- lightPosition[3] = 0.0;\r
- //} else {\r
- // lightPosition[3] = 1.0;\r
- //}\r
+ lightPosition[3] = 0.0;\r
\r
- glPushMatrix();\r
+ glPushMatrix();\r
glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);\r
\r
glEnable(GL_BLEND);\r
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);\r
- glColor4f(0.7, 0.0, 0.0, 0.3);\r
- glColor4f(1.0, 1.0, 1.0, 0.3);\r
drawFloor();\r
glDisable(GL_BLEND);\r
\r
- glutSolidTeapot(1);\r
+ glutSolidTeapot(1); // Draw teapot for test\r
\r
- glPushMatrix();\r
- glDisable(GL_LIGHTING);\r
- glColor3f(1.0, 1.0, 0.0);\r
+ glPushMatrix();\r
+ glDisable(GL_LIGHTING);\r
+ glColor3f(1.0, 1.0, 1.0);\r
\r
- /* Draw a yellow ball at the light source. */\r
+ /* Draw a yellow ball at the light source. */\r
glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]);\r
glutSolidSphere(1.0, 5, 5);\r
\r
- glEnable(GL_LIGHTING);\r
+ glEnable(GL_LIGHTING);\r
glPopMatrix();\r
\r
glPopMatrix();\r
\r
- glutSwapBuffers();\r
+ glutSwapBuffers();\r
}\r
\r
+/**\r
+ * init function; sets initial OpenGL state\r
+ */\r
+void init() {\r
+ glEnable(GL_CULL_FACE);\r
+ glEnable(GL_DEPTH_TEST);\r
+ glEnable(GL_TEXTURE_2D);\r
+ glLineWidth(3.0);\r
+\r
+ glMatrixMode(GL_PROJECTION);\r
+ gluPerspective(\r
+ 60.0, /* field of view in degree */\r
+ 1.0, /* aspect ratio */ \r
+ 0.0, /* Z near */\r
+ 900.0 /* Z far */\r
+ );\r
+ \r
+ glMatrixMode(GL_MODELVIEW);\r
+ gluLookAt(\r
+ 0.0, 8.0, 60.0, /* eye is at (0,8,60) */\r
+ 0.0, 8.0, 0.0, /* center is at (0,8,0) */\r
+ 0.0, 1.0, 0.0 /* up is in postivie Y direction */\r
+ ); \r
+\r
+ glTranslatef( 0.0f, 0.0f, -600.0f); // Move into the Screen 10.0\r
+\r
+ /*glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);\r
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);\r
+ glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1);\r
+ glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05);\r
+ glEnable(GL_LIGHT0);\r
+ glEnable(GL_LIGHTING);*/\r
+}\r
\r
/**\r
* Main function\r
* @return Program exit code\r
*/\r
int main(int argc, char **argv) {\r
+ if(argc>1)\r
+ strcpy(dataDir, argv[1]);\r
+ else if(opendir(dirDefault1))\r
+ strcpy(dataDir, dirDefault1);\r
+ else if(opendir(dirDefault2))\r
+ strcpy(dataDir, dirDefault2);\r
+ else fileErr(dirDefault1);\r
\r
- if(argc>1)\r
- strcpy(dataDir, argv[1]);\r
- else if(opendir(dirDefault1))\r
- strcpy(dataDir, dirDefault1);\r
- else if(opendir(dirDefault2))\r
- strcpy(dataDir, dirDefault2);\r
- else fileErr(dirDefault1);\r
-\r
- for(int i=0; i<NMESH; i++) meshes[i]=NULL;\r
- for(int i=0; i<NTEXTURE; i++) textures[i]=NULL;\r
-\r
- glutInit(&argc, argv);\r
-\r
- //glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);\r
-\r
- glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL | GLUT_MULTISAMPLE);\r
-\r
- glutInitWindowSize(500, 500);\r
- glutCreateWindow("Scene Editor");\r
+ for(int i=0; i<NMESH; i++) meshes[i]=NULL;\r
+ for(int i=0; i<NTEXTURE; i++) textures[i]=NULL;\r
\r
- //glShadeModel(GL_SMOOTH); // Enables Smooth Shading\r
- //glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background\r
- //glClearDepth(1.0f); // Depth Buffer Setup\r
- //glEnable(GL_DEPTH_TEST); // Enables Depth Testing\r
- //glDepthFunc(GL_LEQUAL); // the type\r
+ glutInit(&argc, argv);\r
\r
- // glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations\r
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);\r
\r
- glutReshapeFunc(windowReshape);\r
- glutDisplayFunc(display);\r
- glutMouseFunc(mouse);\r
+ glutInitWindowSize(500, 500);\r
+ glutCreateWindow("Scene Editor");\r
\r
- makeMenu();\r
+ glShadeModel(GL_SMOOTH); // Enables Smooth Shading\r
+ glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background\r
+ glClearDepth(1.0f); // Depth Buffer Setup\r
+ glEnable(GL_DEPTH_TEST); // Enables Depth Testing\r
+ glDepthFunc(GL_LEQUAL); // the type\r
\r
- //init();\r
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);\r
\r
+ glutReshapeFunc(windowReshape);\r
+ glutDisplayFunc(display);\r
+ glutMouseFunc(mouse);\r
\r
- glEnable(GL_CULL_FACE);\r
- glEnable(GL_DEPTH_TEST);\r
- glEnable(GL_TEXTURE_2D);\r
- glLineWidth(3.0);\r
-\r
-glMatrixMode(GL_PROJECTION);\r
- gluPerspective( /* field of view in degree */ 40.0,\r
- /* aspect ratio */ 1.0,\r
- /* Z near */ 20.0, /* Z far */ 100.0);\r
- glMatrixMode(GL_MODELVIEW);\r
- gluLookAt(0.0, 8.0, 60.0, /* eye is at (0,8,60) */\r
- 0.0, 8.0, 0.0, /* center is at (0,8,0) */\r
- 0.0, 1.0, 0.); /* up is in postivie Y direction */\r
+ makeMenu();\r
\r
- glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);\r
- glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);\r
- glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1);\r
- glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05);\r
- glEnable(GL_LIGHT0);\r
- glEnable(GL_LIGHTING);\r
+ init();\r
\r
- glutMainLoop();\r
+ glutMainLoop();\r
}\r