diff options
Diffstat (limited to 'src/crepe/system/CollisionSystem.cpp')
| -rw-r--r-- | src/crepe/system/CollisionSystem.cpp | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/src/crepe/system/CollisionSystem.cpp b/src/crepe/system/CollisionSystem.cpp index 70fe855..19dce6e 100644 --- a/src/crepe/system/CollisionSystem.cpp +++ b/src/crepe/system/CollisionSystem.cpp @@ -40,7 +40,7 @@ void CollisionSystem::update() { } // Check between all colliders if there is a collision - std::vector<std::pair<CollisionInternal,CollisionInternal>> collided = check_collisions(all_colliders); + std::vector<std::pair<CollisionInternal,CollisionInternal>> collided = gather_collisions(all_colliders); // For both objects call the collision handler for (auto& collision_pair : collided) { @@ -51,7 +51,7 @@ void CollisionSystem::update() { void CollisionSystem::collision_handler_request(CollisionInternal& data1,CollisionInternal& data2){ - CollisionInternalType type = check_collider_type(data1.collider,data2.collider); + CollisionInternalType type = get_collider_type(data1.collider,data2.collider); std::pair<vec2,CollisionSystem::Direction> resolution_data = collision_handler(data1,data2,type); OptionalRef<Collider> collider1; @@ -102,33 +102,33 @@ std::pair<vec2,CollisionSystem::Direction> CollisionSystem::collision_handler(Co case CollisionInternalType::BOX_BOX: { const BoxCollider & collider1 = std::get<std::reference_wrapper<BoxCollider>>(data1.collider); const BoxCollider & collider2 = std::get<std::reference_wrapper<BoxCollider>>(data2.collider); - vec2 collider_pos1 = current_position(collider1.offset, data1.transform, data1.rigidbody); - vec2 collider_pos2 = current_position(collider2.offset, data2.transform, data2.rigidbody); - resolution = box_box_resolution(collider1,collider2,collider_pos1,collider_pos2); + vec2 collider_pos1 = get_current_position(collider1.offset, data1.transform, data1.rigidbody); + vec2 collider_pos2 = get_current_position(collider2.offset, data2.transform, data2.rigidbody); + resolution = get_box_box_resolution(collider1,collider2,collider_pos1,collider_pos2); break; } case CollisionInternalType::BOX_CIRCLE: { const BoxCollider & collider1 = std::get<std::reference_wrapper<BoxCollider>>(data1.collider); const CircleCollider & collider2 = std::get<std::reference_wrapper<CircleCollider>>(data2.collider); - vec2 collider_pos1 = current_position(collider1.offset, data1.transform, data1.rigidbody); - vec2 collider_pos2 = current_position(collider2.offset, data2.transform, data2.rigidbody); - resolution = circle_box_resolution(collider2,collider1,collider_pos2,collider_pos1); + vec2 collider_pos1 = get_current_position(collider1.offset, data1.transform, data1.rigidbody); + vec2 collider_pos2 = get_current_position(collider2.offset, data2.transform, data2.rigidbody); + resolution = get_circle_box_resolution(collider2,collider1,collider_pos2,collider_pos1); break; } case CollisionInternalType::CIRCLE_CIRCLE: { const CircleCollider & collider1 = std::get<std::reference_wrapper<CircleCollider>>(data1.collider); const CircleCollider & collider2 = std::get<std::reference_wrapper<CircleCollider>>(data2.collider); - vec2 collider_pos1 = current_position(collider1.offset, data1.transform, data1.rigidbody); - vec2 collider_pos2 = current_position(collider2.offset, data2.transform, data2.rigidbody); - resolution = circle_circle_resolution(collider1,collider2,collider_pos1,collider_pos2); + vec2 collider_pos1 = get_current_position(collider1.offset, data1.transform, data1.rigidbody); + vec2 collider_pos2 = get_current_position(collider2.offset, data2.transform, data2.rigidbody); + resolution = get_circle_circle_resolution(collider1,collider2,collider_pos1,collider_pos2); break; } case CollisionInternalType::CIRCLE_BOX: { const CircleCollider & collider1 = std::get<std::reference_wrapper<CircleCollider>>(data1.collider); const BoxCollider & collider2 = std::get<std::reference_wrapper<BoxCollider>>(data2.collider); - vec2 collider_pos1 = current_position(collider1.offset, data1.transform, data1.rigidbody); - vec2 collider_pos2 = current_position(collider2.offset, data2.transform, data2.rigidbody); - resolution = circle_box_resolution(collider1,collider2,collider_pos1,collider_pos2); + vec2 collider_pos1 = get_current_position(collider1.offset, data1.transform, data1.rigidbody); + vec2 collider_pos2 = get_current_position(collider2.offset, data2.transform, data2.rigidbody); + resolution = get_circle_box_resolution(collider1,collider2,collider_pos1,collider_pos2); break; } } @@ -149,7 +149,7 @@ std::pair<vec2,CollisionSystem::Direction> CollisionSystem::collision_handler(Co return {resolution,resolution_direction}; } -vec2 CollisionSystem::box_box_resolution(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 final_position1,vec2 final_position2) +vec2 CollisionSystem::get_box_box_resolution(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 final_position1,vec2 final_position2) const { vec2 resolution; // Default resolution vector vec2 delta = final_position2 - final_position1; @@ -183,7 +183,7 @@ vec2 CollisionSystem::box_box_resolution(const BoxCollider& box_collider1,const return resolution; } -vec2 CollisionSystem::circle_circle_resolution(const CircleCollider& circle_collider1, const CircleCollider& circle_collider2, vec2 final_position1, vec2 final_position2) +vec2 CollisionSystem::get_circle_circle_resolution(const CircleCollider& circle_collider1, const CircleCollider& circle_collider2, vec2 final_position1, vec2 final_position2) const { vec2 delta = final_position2 - final_position1; @@ -205,7 +205,7 @@ vec2 CollisionSystem::circle_circle_resolution(const CircleCollider& circle_coll return resolution; } -vec2 CollisionSystem::circle_box_resolution(const CircleCollider& circle_collider, const BoxCollider& box_collider, vec2 circle_position, vec2 box_position) +vec2 CollisionSystem::get_circle_box_resolution(const CircleCollider& circle_collider, const BoxCollider& box_collider, vec2 circle_position, vec2 box_position) const { vec2 delta = circle_position - box_position; @@ -273,7 +273,7 @@ void CollisionSystem::static_collision_handler(CollisionInfo& info){ } } -std::vector<std::pair<CollisionSystem::CollisionInternal,CollisionSystem::CollisionInternal>> CollisionSystem::check_collisions(std::vector<collider_variant> & colliders) { +std::vector<std::pair<CollisionSystem::CollisionInternal,CollisionSystem::CollisionInternal>> CollisionSystem::gather_collisions(std::vector<collider_variant> & colliders) { // TODO: @@ -302,8 +302,8 @@ std::vector<std::pair<CollisionSystem::CollisionInternal,CollisionSystem::Collis auto outer_components = get_active_transform_and_rigidbody(outer_collider_ref.get().game_object_id); if (!outer_components) return; // Get collision type form variant colliders - CollisionInternalType type = check_collider_type(colliders[i],colliders[j]); - if(!check_collision({ + CollisionInternalType type = get_collider_type(colliders[i],colliders[j]); + if(!get_collision({ .collider = colliders[i], .transform = inner_components->first, .rigidbody = inner_components->second, @@ -327,7 +327,7 @@ std::vector<std::pair<CollisionSystem::CollisionInternal,CollisionSystem::Collis } std::optional<std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>>> -CollisionSystem::get_active_transform_and_rigidbody(game_object_id_t game_object_id) { +CollisionSystem::get_active_transform_and_rigidbody(game_object_id_t game_object_id) const{ RefVector<Transform> transforms = this->component_manager.get_components_by_id<Transform>(game_object_id); if (transforms.empty()) return std::nullopt; @@ -344,7 +344,7 @@ CollisionSystem::get_active_transform_and_rigidbody(game_object_id_t game_object return std::make_pair(std::ref(transform), std::ref(rigidbody)); } -CollisionSystem::CollisionInternalType CollisionSystem::check_collider_type(const collider_variant& collider1,const collider_variant& collider2) const{ +CollisionSystem::CollisionInternalType CollisionSystem::get_collider_type(const collider_variant& collider1,const collider_variant& collider2) const{ if(std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider1)){ if(std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider2)) { @@ -365,38 +365,38 @@ CollisionSystem::CollisionInternalType CollisionSystem::check_collider_type(cons } } -bool CollisionSystem::check_collision(const CollisionInternal& first_info,const CollisionInternal& second_info, CollisionInternalType type){ +bool CollisionSystem::get_collision(const CollisionInternal& first_info,const CollisionInternal& second_info, CollisionInternalType type) const{ switch (type) { case CollisionInternalType::BOX_BOX: { const BoxCollider & box_collider1 = std::get<std::reference_wrapper<BoxCollider>>(first_info.collider); const BoxCollider & box_collider2 = std::get<std::reference_wrapper<BoxCollider>>(second_info.collider); - return check_box_box_collision(box_collider1,box_collider2,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); + return get_box_box_collision(box_collider1,box_collider2,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); } case CollisionInternalType::BOX_CIRCLE: { const BoxCollider & box_collider = std::get<std::reference_wrapper<BoxCollider>>(first_info.collider); const CircleCollider & circle_collider = std::get<std::reference_wrapper<CircleCollider>>(second_info.collider); - return check_box_circle_collision(box_collider,circle_collider,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); + return get_box_circle_collision(box_collider,circle_collider,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); } case CollisionInternalType::CIRCLE_CIRCLE: { const CircleCollider & circle_collider1 = std::get<std::reference_wrapper<CircleCollider>>(first_info.collider); const CircleCollider & circle_collider2 = std::get<std::reference_wrapper<CircleCollider>>(second_info.collider); - return check_circle_circle_collision(circle_collider1,circle_collider2,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); + return get_circle_circle_collision(circle_collider1,circle_collider2,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); } case CollisionInternalType::CIRCLE_BOX: { const CircleCollider & circle_collider = std::get<std::reference_wrapper<CircleCollider>>(first_info.collider); const BoxCollider & box_collider = std::get<std::reference_wrapper<BoxCollider>>(second_info.collider); - return check_box_circle_collision(box_collider,circle_collider,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); + return get_box_circle_collision(box_collider,circle_collider,first_info.transform,second_info.transform,second_info.rigidbody,second_info.rigidbody); } } return false; } -bool CollisionSystem::check_box_box_collision(const BoxCollider& box1, const BoxCollider& box2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) +bool CollisionSystem::get_box_box_collision(const BoxCollider& box1, const BoxCollider& box2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) const { // Get current positions of colliders - vec2 final_position1 = current_position(box1.offset,transform1,rigidbody1); - vec2 final_position2 = current_position(box2.offset,transform2,rigidbody2); + vec2 final_position1 = get_current_position(box1.offset,transform1,rigidbody1); + vec2 final_position2 = get_current_position(box2.offset,transform2,rigidbody2); // Calculate half-extents (half width and half height) float half_width1 = box1.width / 2.0; @@ -411,10 +411,10 @@ bool CollisionSystem::check_box_box_collision(const BoxCollider& box1, const Box final_position1.y - half_height1 < final_position2.y + half_height2); // not below } -bool CollisionSystem::check_box_circle_collision(const BoxCollider& box1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) { +bool CollisionSystem::get_box_circle_collision(const BoxCollider& box1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) const { // Get current positions of colliders - vec2 final_position1 = current_position(box1.offset, transform1, rigidbody1); - vec2 final_position2 = current_position(circle2.offset, transform2, rigidbody2); + vec2 final_position1 = get_current_position(box1.offset, transform1, rigidbody1); + vec2 final_position2 = get_current_position(circle2.offset, transform2, rigidbody2); // Calculate box half-extents float half_width = box1.width / 2.0; @@ -433,10 +433,10 @@ bool CollisionSystem::check_box_circle_collision(const BoxCollider& box1, const return distance_squared <= circle2.radius * circle2.radius; } -bool CollisionSystem::check_circle_circle_collision(const CircleCollider& circle1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) { +bool CollisionSystem::get_circle_circle_collision(const CircleCollider& circle1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) const { // Get current positions of colliders - vec2 final_position1 = current_position(circle1.offset,transform1,rigidbody1); - vec2 final_position2 = current_position(circle2.offset,transform2,rigidbody2); + vec2 final_position1 = get_current_position(circle1.offset,transform1,rigidbody1); + vec2 final_position2 = get_current_position(circle2.offset,transform2,rigidbody2); float distance_x = final_position1.x - final_position2.x; float distance_y = final_position1.y - final_position2.y; @@ -449,7 +449,7 @@ bool CollisionSystem::check_circle_circle_collision(const CircleCollider& circle return distance_squared <= radius_sum * radius_sum; } -vec2 CollisionSystem::current_position(vec2 collider_offset, const Transform& transform, const Rigidbody& rigidbody) { +vec2 CollisionSystem::get_current_position(vec2 collider_offset, const Transform& transform, const Rigidbody& rigidbody) const { // Get the rotation in radians float radians1 = transform.rotation * (M_PI / 180.0); |