//----------------------------------------------------------------------
// Draw the entire scene
//
// We first update the camera location based on its distance from the
// origin and its direction.
//----------------------------------------------------------------------
void renderScene(void)
{
int i, j;
// Clear color and depth buffers
//glClearColor(0.0, 0.7, 1.0, 1.0); // sky color is light blue
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Reset transformations
glLoadIdentity();
// Set the camera centered at (x,y,1) and looking along directional
// vector (lx, ly, 0), with the z-axis pointing up
gluLookAt(
x, y, 1.0,
x + lx, y + ly, 1.0,
0.0, 0.0, 1.0);
glPushMatrix();
glTranslatef(z*7.5, 7.5, 0);
drawSnowman();
glPopMatrix();
glutSwapBuffers(); // Make it all visible
}
//----------------------------------------------------------------------
// Draw the entire scene
//
// We first update the camera location based on its distance from the
// origin and its direction.
//----------------------------------------------------------------------
void renderScene(void)
{
int i, j;
// Clear color and depth buffers
glClearColor(0.0, 0.7, 1.0, 1.0); // sky color is light blue
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Reset transformations
glLoadIdentity();
// Set the camera centered at (x,y,1) and looking along directional
// vector (lx, ly, 0), with the z-axis pointing up
gluLookAt(
x, y, 1.0,
x + lx, y + ly, 1.0,
0.0, 0.0, 1.0);
// Draw ground - 200x200 square colored green
glColor3f(0.0, 0.7, 0.0);
glBegin(GL_QUADS);
glVertex3f(-100.0, -100.0, 0.0);
glVertex3f(-100.0, 100.0, 0.0);
glVertex3f( 100.0, 100.0, 0.0);
glVertex3f( 100.0, -100.0, 0.0);
glEnd();
// Draw 36 snow men
for(i = -3; i < 3; i++)
for(j = -3; j < 3; j++) {
glPushMatrix();
glTranslatef(i*7.5, j*7.5, 0);
drawSnowman();
glPopMatrix();
}
glutSwapBuffers(); // Make it all visible
}
void display(void)
{
glClearColor(0.2,0.5,1.0,1.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
gluLookAt(x,1.0f,z,x+lx,1.0f,z+lz,0.0f,1.0f,0.0f);
// Draw ground
glColor3f(0.75f,0.75f,0.75f);
glBegin(GL_QUADS);
glVertex3f(-100.0f,0.0f,-100.0f);
glVertex3f(-100.0f,0.0f,100.0f);
glVertex3f(100.0f,0.0f,100.0f);
glVertex3f(100.0f,0.0f,-100.0f);
glEnd();
// Draw 36 SnowMen
for(int i=-3; i<3; i++) {
for(int j=-3; j<3; j++) {
glPushMatrix();
glTranslatef(i*10.0,0,j*10.0);
drawSnowman();
glPopMatrix();
}
}
updateMovement();
updateScene();
// if(colorMode)
// glColorMask(red,green,blue,1.0f);
// else
// glColorMask(1.0f,1.0f,1.0f,1.0f);
glutSwapBuffers();
}
