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Refactor duplicate code into lambda fn
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Stephen Seo 2023-08-09 13:26:15 +09:00
parent 2dc30ce252
commit cbcf0da5ce
1 changed files with 22 additions and 35 deletions
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57
src/screen_trunner.cc
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@ -201,51 +201,38 @@ bool TRunnerScreen::update(float dt) {
Vector3 sw{xf - 0.5F, current.sw, zf + 0.5F};
Vector3 se{xf + 0.5F, current.se, zf + 0.5F};
if (auto collision = ray_collision_triangle(ray, nw, sw, ne);
collision.has_value()) {
idx_hit = idx;
const auto on_collide_fn = [this, idx, xf, zf,
&current](const auto &collision) {
this->idx_hit = idx;
#ifndef NDEBUG
std::cout << "first: idx_hit set to " << idx_hit << std::endl;
std::cout << "idx_hit set to " << idx_hit << std::endl;
#endif
mouse_hit = collision.value();
camera_target.x = xf;
camera_target.y =
this->mouse_hit = collision.value();
this->camera_target.x = xf;
this->camera_target.y =
(current.nw + current.ne + current.sw + current.se) / 4.0F;
camera_target.z = zf;
this->camera_target.z = zf;
if (idx != SURFACE_UNIT_WIDTH / 2 +
(SURFACE_UNIT_HEIGHT / 2) * SURFACE_UNIT_WIDTH) {
camera_pos =
Vector3Add(Vector3Scale(Vector3Normalize(camera_target), 4.0F),
camera_target);
camera_pos.y += 4.0F;
this->camera_pos = Vector3Add(
Vector3Scale(Vector3Normalize(this->camera_target), 4.0F),
this->camera_target);
this->camera_pos.y += 4.0F;
} else {
camera_pos.x = 0.0F;
camera_pos.y = camera_target.y + 4.0F;
camera_pos.z = 0.0F;
this->camera_pos.x = 0.0F;
this->camera_pos.y = this->camera_target.y + 4.0F;
this->camera_pos.z = 0.0F;
}
};
if (auto collision = ray_collision_triangle(ray, nw, sw, ne);
collision.has_value()) {
on_collide_fn(collision);
break;
} else if (auto collision = ray_collision_triangle(ray, ne, sw, se);
collision.has_value()) {
idx_hit = idx;
#ifndef NDEBUG
std::cout << "second: idx_hit set to " << idx_hit << std::endl;
#endif
mouse_hit = collision.value();
camera_target.x = xf;
camera_target.y =
(current.nw + current.ne + current.sw + current.se) / 4.0F;
camera_target.z = zf;
if (idx != SURFACE_UNIT_WIDTH / 2 +
(SURFACE_UNIT_HEIGHT / 2) * SURFACE_UNIT_WIDTH) {
camera_pos =
Vector3Add(Vector3Scale(Vector3Normalize(camera_target), 4.0F),
camera_target);
camera_pos.y += 4.0F;
} else {
camera_pos.x = 0.0F;
camera_pos.y = camera_target.y + 4.0F;
camera_pos.z = 0.0F;
}
on_collide_fn(collision);
break;
}
}