void cameraCollision(void)
{
if (Camera_Mode != humanIndex)
return;
const Frame &playerFrame = Player_List[humanIndex]->frame;
Ray r = rayFromTo(playerFrame.position, camera.eye);
MatrixCoord testCoord = worldSpaceToTileSpace(playerFrame.position, Tilesize);
const MatrixCoord testcoords[] = {
testCoord + MatrixCoord( 0, 1),
testCoord + MatrixCoord( 0,-1),
testCoord + MatrixCoord( 1, 0),
testCoord + MatrixCoord(-1, 0),
testCoord + MatrixCoord( 1, 1),
testCoord + MatrixCoord(-1, 1),
testCoord + MatrixCoord(-1,-1),
testCoord + MatrixCoord( 1,-1),
};
// std::cout << "ray = " << r << std::endl;
float near = INFINITY;
float nearest = INFINITY;
for (unsigned int i=0; i<8; ++i) {
if (tileSpace[testcoords[i]] != TILESPACE_CHAR)
continue;
//bool x = intersection(r, glmaze.aabb[testcoords[i]], &near, NULL);
bool x = intersection(r, AABB(glmaze.aabb[testcoords[i]].xyz-glm::vec3(0.3f), glmaze.aabb[testcoords[i]].XYZ+glm::vec3(0.3f)), &near, NULL);
// std::cout << "box coord(" << testcoords[i] << ") intersection collision" << " min = " << min << " max = " << max << " return = " << x << std::endl;
nearest = (x && near < nearest) ? near : nearest;
}
cameraDistance = nearest < defaultCameraDistance ? nearest : defaultCameraDistance;
}
TEST_F(LensTest, ray_passing_thru_the_center_at_an_angle_should_pass_through)
{
Vector ORIGIN{-3, 2, 0};
Vector DEST{-ORIGIN[0], -ORIGIN[1], Z_DISTANCE * 2};
auto central = rayFromTo(ORIGIN, DEST);
auto refracted = lens.refract(central);
EXPECT_THAT(refracted, RayPassesThrough(DEST, EPS));
EXPECT_THAT(refracted, RayHasDirection(central.getDirection(), EPS));
EXPECT_THAT(central, RayPassesThrough(refracted.getOrigin(), EPS));
}
TEST_F(LensTest, rays_passing_though_the_focal_point_should_become_parallel)
{
Point destinationPoints[]{
{1, 2, Z_DISTANCE},
{-3, 4, Z_DISTANCE},
{4, 1, Z_DISTANCE}};
for (auto& to : destinationPoints)
{
auto ray = rayFromTo(FOCAL_POINT, to);
auto refracted = lens.refract(ray);
EXPECT_THAT(refracted, RayHasDirection(-DIR_Z, EPS));
EXPECT_NEAR(to[0], refracted.getOrigin()[0], EPS);
EXPECT_NEAR(to[1], refracted.getOrigin()[1], EPS);
EXPECT_NEAR(to[2], refracted.getOrigin()[2], EPS);
}
}
