works

camera.c

@@ -295,12 +295,13 @@ process_pixel(int i, int j)
 
         double fade_intensity = 10;
 
+        /*
         if (p.travel_dist < DRAW_DIST) {
             p.col.r -= fade_intensity * p.travel_dist / DRAW_DIST;
             p.col.g -= fade_intensity * p.travel_dist / DRAW_DIST;
             p.col.b -= fade_intensity * p.travel_dist / DRAW_DIST;
-            
         }
+        */
 
         p.col.r = clamp(p.col.r, 0, 255);
         p.col.g = clamp(p.col.g, 0, 255);

distfuncs.c

@@ -183,8 +183,8 @@ double sdf_box(struct vec *x) {
 struct colour yeet_pho(struct ray *ray, struct object *o) {
     double specular = 0.8;
     double diffuse = 0.55;
-    double ambient = 0.3;
-    double shin = 51;
+    double ambient = 0.1;
+    double shin = 5;
 
     int light_type = SOFT_LIGHT;
 
@@ -204,7 +204,6 @@ struct colour yeet_pho(struct ray *ray, struct object *o) {
     struct vec *light_vec = normalise_vec_ip(subtract_vec_ip(scalar_multiply_vec(light, -1), ray->pos));
 
     double diffuse_val = clamp(dot_product_vec(light_vec, surf_norm) * diffuse, 0, 1);
-
     
     // r = 2 * (l . n) * n - L
 
@@ -216,7 +215,7 @@ struct colour yeet_pho(struct ray *ray, struct object *o) {
     double spec_val = clamp(pow(clamp(dot_product_vec(reflection, camera_vec),-1,1), shin) * specular, 0, 1);
 
     struct colour c = get_hsl(o->base_col);
-    intensity = ambient + diffuse_val + spec_val;
+    intensity = ambient + spec_val;
     light_col = get_hsl(light_col);
     light_col.l = spec_val;
     light_col = get_rgb(light_col);

main.c

@@ -51,7 +51,7 @@ void handle_inputs(void)
     r.dir = new_vec(4); 
     r.pos = new_vec(4);
 
-    const double dist = 0.1;
+    const double dist = 0.5;
 
     struct vec ** in = malloc(sizeof(struct vec *) * 3);
     in[0] = camera->x;
@@ -60,22 +60,28 @@ void handle_inputs(void)
 
     if (keyboardstate[SDL_SCANCODE_J]) {
         manifoldstepaxees(camera->pos, camera->y, in, 3, -dist);
+        manifoldstepaxees(camera->light, camera->y, in, 3, -dist);
     }
     if (keyboardstate[SDL_SCANCODE_K]) {
         manifoldstepaxees(camera->pos, camera->y, in, 3, dist);
+        manifoldstepaxees(camera->light, camera->y, in, 3, dist);
     }
 
     if (keyboardstate[SDL_SCANCODE_UP] ) {
         manifoldstepaxees(camera->pos, camera->z, in, 3, -dist);
+        manifoldstepaxees(camera->light, camera->z, in, 3, -dist);
     }
     if (keyboardstate[SDL_SCANCODE_DOWN]) {
         manifoldstepaxees(camera->pos, camera->z, in, 3, dist);
+        manifoldstepaxees(camera->light, camera->z, in, 3, dist);
     }
     if (keyboardstate[SDL_SCANCODE_LEFT] || keyboardstate[SDL_SCANCODE_H])  {
         manifoldstepaxees(camera->pos, camera->x, in, 3, dist);
+        manifoldstepaxees(camera->light, camera->x, in, 3, dist);
     }                                      
     if (keyboardstate[SDL_SCANCODE_RIGHT] || keyboardstate[SDL_SCANCODE_L]) {
         manifoldstepaxees(camera->pos, camera->x, in, 3, -dist);
+        manifoldstepaxees(camera->light, camera->x, in, 3, dist);
     }                                      
         r.dir->elements[0] = -1;
     if (keyboardstate[SDL_SCANCODE_ESCAPE]) {
@@ -146,7 +152,7 @@ void setup_camera_scene()
     camera->y->elements[1] = 1;
     camera->z->elements[2] = 1;
 
-    camera->light = new_vec4(0, 1000, -1000, 0);
+    camera->light = new_vec4(-5, -3, -1, 0);
 
     // struct object white_sphere = new_box(new_vec3(-0.75, 0, 8), 0, 1);
     // struct object other_white_sphere = new_sphere(new_vec3(0.75, 0, 8), 0, 1);