player::player(float a) {
image = new ImageIO("spaceship.ppm");
upImage = new ImageIO("spaceship1.ppm");
size = a;
glGenTextures(1, &p_tex1);
textureMapping(p_tex1, upImage);
glGenTextures(1, &p_tex);
textureMapping(p_tex, image);
//glEnable(GL_TEXTURE_2D);
//glBindTexture(GL_TEXTURE_2D, p_tex);
printf("PALAYER");
}
void SCANLINE::Compute_pixel_intensity()
{
vector <float> Intensity_diffuse(3);
vector <float> Intensity_specular(3);
float cylinder_u,cylinder_v;
int shininess = 8;
for (int i = 0; i< Ymax ; i++ )
for (int j = 0; j< Xmax; j++ )
{
vector<float> pixel_normal(real_pixel[i][j].begin()+2,real_pixel[i][j].begin()+5);
vector<float> device_xyz(real_pixel[i][j].begin()+5,real_pixel[i][j].end());
if(vector_length(pixel_normal) == 0)
continue;
// if(vector_length(device_xyz) == 0)
// continue;
// datatest<<i<<'\t'<<j;
// for(int p = 0; p<(int)pixel_normal.size(); p++)
// datatest<<setw(15)<<pixel_normal[p];
// datatest<<endl;
vector<float> line_inter(4);
compute_invert(device_xyz);//out put xyz in world space
vector_subtraction(line_inter, ObjectCenter, device_xyz);
// for(int p = 0; p<(int)line_inter.size(); p++)
// datatest<<setw(15)<<line_inter[p];
// datatest<<endl;
Normalization(line_inter);
//normalize the pixel normal
Normalization(pixel_normal);
///texture mapping
// textureMapping(pixel_normal,cylinder_u,cylinder_v);
textureMapping(pixel_normal,cylinder_u,cylinder_v);
///-------------------------------
float cos_diffuse = dot_product3D(pixel_normal,vec_light);
float cos_specular = pow(dot_product3D(pixel_normal,H_specular),
shininess);
for (int p = 0; p< 3 ; p++ )
{
///----------Intensity diffuse----Kd*I*(NL)
Intensity_diffuse[p] = K_diffuse*I_light[p]*cos_diffuse;
///----------Intensity specular----Ks*I*(NH)^n
Intensity_specular[p] = K_specular*I_light[p]*cos_specular;
//---------------sum of all intensity--
//replace normal value to RGB value in real_pixel
real_pixel[i][j][p+2]= Intensity_diffuse[p] +
Intensity_specular[p] + Intensity_ambient[p]
+imagePixel[(int)cylinder_v][(int)cylinder_u][p];
if(real_pixel[i][j][p+2] > 1)
real_pixel[i][j][p+2] = 1;
}
}
// datatest.close();
}
