1 #include "raytracer.h"

     2 #include "image.h"

     3 

     4 int main()

     5 {

     6 	Raytracer rt;

     7 	Light light1(Vector3(0.0, 5.0, 5.0), Colour(0.7, 0.3, 0.6));

     8 	rt.addlight(&light1);

     9 

    10 	Light light2(Vector3(-2.0, 10.0, 2.0), Colour(0.4, 0.6, 0.3));

    11 	rt.addlight(&light2);

    12 

    13 	Material mat0(Colour(0.7, 0.7, 0.7));

    14 

    15 	Box box(Vector3(-20.0, -1.2, -20.0), Vector3(20.0, -1.0, 20.0), &mat0);

    16 	rt.addshape(&box);

    17 

    18 	Material mat1(Colour(1.0, 0.0, 0.0));

    19 	Sphere bigsphere(Vector3(3.0, 2.0, 7.0), 3.0, &mat1);

    20 	rt.addshape(&bigsphere);

    21 

    22 	Material mat2(Colour(0.0, 1.0, 0.0));

    23 	Sphere smallsphere(Vector3(-5.5, 1.5, 8.0), 2.0, &mat2);

    24 	rt.addshape(&smallsphere);

    25 

    26 	Material mat3(Colour(0.0, 0.0, 1.0));

    27 	Sphere tinysphere(Vector3(-1.2, 0.0, 2.0), 0.5, &mat3);

    28 	rt.addshape(&tinysphere);

    29 

    30 	int w = 800;

    31 	int h = 600;

    32 	float *fdata = rt.render(w, h);

    33 

    34 	struct image *img;

    35 	new_image(&img, w, h, 3);

    36 

    37 	float *fd = fdata;

    38 	for (char *cd = img->data; cd != img->data + w*h*3; cd++, fd++) {

    39 		if (*fd > 1.0)

    40 			*cd = 255;

    41 		else

    42 			*cd = (unsigned char)(*fd * 255.0);

    43 	}

    44 	free(fdata);

    45 	save_png("spheres_shadow.png", img);

    46 	destroy_image(&img);

    47 }