void make_player(game_s *game)
{
actor_s *actor = make_actor();
game_register_actor(game, actor);
transform_s *transform = make_transform(game, actor);
sprite_s *sprite = make_sprite(game, actor, transform);
(void)sprite;
}
/* V_LENS -> V_FILTER -> V_TRANSFORM */
static struct value *xform_transform(struct info *info, struct value *l,
struct value *f) {
assert(l->tag == V_LENS);
assert(f->tag == V_FILTER);
if (l->lens->value || l->lens->key) {
return make_exn_value(ref(info), "Can not build a transform "
"from a lens that leaves a %s behind",
l->lens->key ? "key" : "value");
}
struct value *v = make_value(V_TRANSFORM, ref(info));
v->transform = make_transform(ref(l->lens), ref(f->filter));
return v;
}
static Transform blender_camera_matrix(const Transform& tfm,
const CameraType type,
const PanoramaType panorama_type)
{
Transform result;
if(type == CAMERA_PANORAMA) {
if(panorama_type == PANORAMA_MIRRORBALL) {
/* Mirror ball camera is looking into the negative Y direction
* which matches texture mirror ball mapping.
*/
result = tfm *
make_transform(1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
}
else {
/* Make it so environment camera needs to be pointed in the direction
* of the positive x-axis to match an environment texture, this way
* it is looking at the center of the texture
*/
result = tfm *
make_transform( 0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
}
}
else {
/* note the blender camera points along the negative z-axis */
result = tfm * transform_scale(1.0f, 1.0f, -1.0f);
}
return transform_clear_scale(result);
}
static Transform blender_camera_matrix(const Transform& tfm, CameraType type)
{
Transform result;
if(type == CAMERA_PANORAMA) {
/* make it so environment camera needs to be pointed in the direction
* of the positive x-axis to match an environment texture, this way
* it is looking at the center of the texture */
result = tfm *
make_transform( 0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
}
else {
/* note the blender camera points along the negative z-axis */
result = tfm * transform_scale(1.0f, 1.0f, -1.0f);
}
return transform_clear_scale(result);
}
