update : i got most of the error's removed 2 error remains : i got a back picture on screen i can't find 'black.bmp' on my pc
// bluatigro 23 okt 2017
// windows raytracer 0.4
#include
#include
#include
#include
const int winx = 800 ;
const int winy = 600 ;
#define SMALL 1e-300
#define PI 3.14159265358979323846
// double3d
class d3d
{
public :
double x , y , z ;
d3d()
{
x = 0.0 ;
y = 0.0 ;
z = 0.0 ;
}
d3d( double X , double Y , double Z )
{
x = X ;
y = Y ;
z = Z ;
}
void fill( double X , double Y , double Z )
{
x = X ;
y = Y ;
z = Z ;
}
unsigned long toColor()
{
return (unsigned long)
( floor( x * 255 ) +
floor( y * 255 ) * 256 +
floor( z * 255 ) * 256 * 256 ) ;
}
} ;
d3d operator + ( d3d a , d3d b )
{
return d3d( a.x + b.x ,
a.y + b.y ,
a.z + b.z ) ;
}
d3d operator - ( d3d a , d3d b )
{
return d3d( a.x - b.x ,
a.y - b.y ,
a.z - b.z ) ;
}
d3d operator / ( d3d a , double b )
{
return d3d( a.x / b ,
a.y / b ,
a.z / b ) ;
}
d3d operator * ( d3d a , double b )
{
return d3d( a.x * b ,
a.y * b ,
a.z * b ) ;
}
double dot( d3d a , d3d b )
{
return a.x * b.x
+ a.y * b.y
+ a.z * b.z ;
}
double length( d3d a )
{
return sqrt( dot( a , a ) ) ;
}
d3d normalize( d3d a )
{
return a / length( a ) ;
}
double getAngle( d3d a , d3d b )
{
double d , la , lb ;
d = dot( a , b ) ;
la = length( a ) ;
lb = length( b ) ;
return acos( d / ( la * lb ) ) ;
}
d3d cross( d3d a , d3d b )
{
return d3d( a.y * b.z - a.z * b.y ,
a.z * b.x - a.x * b.z ,
a.x * b.y - a.y * b.x ) ;
}
// primary colors
const d3d BLACK = d3d( 0.0 , 0.0 , 0.0 ) ;
const d3d RED = d3d( 1.0 , 0.0 , 0.0 ) ;
const d3d GREEN = d3d( 0.0 , 1.0 , 0.0 ) ;
const d3d YELLOW = d3d( 1.0 , 1.0 , 0.0 ) ;
const d3d BLUE = d3d( 0.0 , 0.0 , 1.0 ) ;
const d3d MAGENTA = d3d( 1.0 , 0.0 , 1.0 ) ;
const d3d CYAN = d3d( 0.0 , 1.0 , 1.0 ) ;
const d3d WHITE = d3d( 1.0 , 1.0 , 1.0 ) ;
// mix colors
const d3d GRAY = WHITE / 2.0 ;
const d3d ORANGE = ( YELLOW + RED ) / 2.0 ;
const d3d PINK = ( WHITE + RED ) / 2.0 ;
// matrix
class m44
{
public :
double m[ 4 ][ 4 ] ;
m44()
{
int i , j ;
for ( i = 0 ; i < 4 ; i++ )
{
fo
