1
| | void Paint(void);
void doInit(void);
int mainWindow;
int running;
int width, height;
GLuint Indices[12] = { 0, 1, 2,
3, 4, 5,
6, 7, 8,
9, 10, 11};
int main( int argc, char **argv )
{
glfwInit();
mainWindow = glfwOpenWindow(640, 480,
8, 8, 8,
8,
24,
0,
GLFW_WINDOW);
if(!mainWindow)
{
glfwTerminate();
return 0;
}
doInit();
do
{
Paint();
glfwSwapBuffers();
running = !glfwGetKey( GLFW_KEY_ESC ) &&
glfwGetWindowParam( GLFW_OPENED );
} while(running);
glfwTerminate();
return 0;
}
void doInit(void)
{
glfwGetWindowSize( &width, &height );
height = height < 1 ? 1 : height;
glfwSetWindowTitle("Lighting Test");
glfwEnable(GLFW_STICKY_KEYS);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(
45.0,
(double)width/(double)height,
0.1,
100.0
);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
glEnable(GL_NORMALIZE);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
GLfloat Vertices[12][3] ={{-5.0, -5.0, 5.0},
{5.0, -5.0, 5.0},
{0.0, 5.0, 0.0},
{-5.0, -5.0, 5.0},
{5.0, -5.0, -5.0},
{0.0, 5.0, 0.0},
{-5.0, -5.0, -5.0},
{5.0, -5.0, -5.0},
{0.0, 5.0, 0.0},
{-5.0, -5.0, -5.0},
{-5.0, -5.0, 5.0},
{0.0, 5.0, 0.0},
};
glVertexPointer(3,
GL_FLOAT,
0,
Vertices
);
GLfloat Colors[12][3] = {{0.0, 0.0, 0.3},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.0},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.0},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.0},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.3},
{0.0, 0.0, 0.0},
};
glColorPointer(3,
GL_FLOAT,
0,
Colors
);
GLfloat Normals[12][3] ={{0.0, 0.5, 1.0},
{0.0, 0.5, 1.0},
{0.0, 0.5, 1.0},
{1.0, 0.0, 1.0},
{1.0, 0.0, 1.0},
{1.0, 0.0, 1.0},
{0.0, -0.5, 1.0},
{0.0, -0.5, 1.0},
{0.0, -0.5, 1.0},
{-1.0, 0.5, 0.0},
{-1.0, 0.5, 0.0},
{-1.0, 0.5, 0.0},
};
glNormalPointer(GL_FLOAT,
0,
Normals
);
}
void Paint(void)
{
double t;
t = glfwGetTime();
glViewport( 0, 0, width, height );
glClear(GL_COLOR_BUFFER_BIT |
GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -20.0f);
glRotatef(90 * (float)t, 0.0, 1.0, 0.0);
glDrawElements( GL_TRIANGLES,
12,
GL_UNSIGNED_INT,
Indices
);
} |
