void SquarePlane::computeBounds(){
glm::vec4 vertices[]{
glm::vec4( .5f, .5f, 0.f, 1.f ),
glm::vec4( .5f, -.5f, 0.f, 1.f ),
glm::vec4( -.5f, .5f, 0.f, 1.f ),
glm::vec4( -.5f, -.5, 0.f, 1.f ),
};
glm::vec3 vertices_in_world[]{
glm::vec3( transform.T() * vertices[ 0 ] ),
glm::vec3( transform.T() * vertices[ 1 ] ),
glm::vec3( transform.T() * vertices[ 2 ] ),
glm::vec3( transform.T() * vertices[ 3 ] ),
};
glm::vec3 max_bound( -1e6f );
glm::vec3 min_bound( 1e6f );
for( int i = 0; i < 4; ++i ){
max_bound = glm::max( max_bound, vertices_in_world[ i ] );
min_bound = glm::min( min_bound, vertices_in_world[ i ] );
}
pBBox = new BoundingBox( max_bound + glm::vec3( .1f ), min_bound - glm::vec3( -.1f ) );
}
LightPoint::LightPoint() : Light() {
pos_world_.set(0, 0, 0);
if (outside_model_rad_scale_ == 0) {
float out_rad = GeometryManager::calcSphereOutsideRadius(
LIGHT_POINT_MODEL_STACKS, LIGHT_POINT_MODEL_SLICES,
LIGHT_POINT_MODEL_INSIDE_RADIUS);
outside_model_rad_scale_ = out_rad / LIGHT_POINT_MODEL_INSIDE_RADIUS;
}
float out_rad = outside_model_rad_scale_ * LIGHT_POINT_MODEL_INSIDE_RADIUS;
Float3 min_bound(-out_rad, -out_rad, -out_rad);
Float3 max_bound(out_rad, out_rad, out_rad);
aabbox_ = new objects::AABBox();
aabbox_->init(min_bound, max_bound);
update();
}
void Cube::computeBounds(){
glm::vec4 vertices[]{
{ .5f, .5f, .5f, 1.f }, { .5f, .5f, -.5f, 1.f },
{ .5f, -.5f, .5f, 1.f }, { .5f, .5f, -.5f, 1.f },
{ -.5f, .5f, .5f, 1.f }, { -.5f, .5f, -.5f, 1.f },
{ -.5f, -.5f, .5f, 1.f }, { -.5f, .5f, -.5f, 1.f },
};
glm::vec3 vertices_in_world[ 8 ];
glm::vec3 max_bound( -1e6f );
glm::vec3 min_bound( 1e6f );
for( int i = 0; i < 8; ++i ){
vertices_in_world[ i ] = glm::vec3( transform.T() * vertices[ i ] );
max_bound = glm::max( max_bound, vertices_in_world[ i ] );
min_bound = glm::min( min_bound, vertices_in_world[ i ] );
}
pBBox = new BoundingBox( max_bound, min_bound );
}
