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-rw-r--r--src/crepe/system/CollisionSystem.cpp317
-rw-r--r--src/crepe/system/CollisionSystem.h133
2 files changed, 196 insertions, 254 deletions
diff --git a/src/crepe/system/CollisionSystem.cpp b/src/crepe/system/CollisionSystem.cpp
index 8d9b356..f61a1dd 100644
--- a/src/crepe/system/CollisionSystem.cpp
+++ b/src/crepe/system/CollisionSystem.cpp
@@ -1,8 +1,11 @@
#include <cmath>
#include <algorithm>
#include <cstddef>
+#include <functional>
#include <utility>
#include <variant>
+#include <optional>
+#include <tuple>
#include "api/Event.h"
#include "api/EventManager.h"
@@ -16,6 +19,7 @@
#include "CollisionSystem.h"
#include "Collider.h"
#include "types.h"
+#include "util/OptionalRef.h"
using namespace crepe;
@@ -24,69 +28,88 @@ void CollisionSystem::update() {
ComponentManager & mgr = this->component_manager;
std::vector<std::reference_wrapper<BoxCollider>> boxcolliders = mgr.get_components_by_type<BoxCollider>();
std::vector<std::reference_wrapper<CircleCollider>> circlecolliders = mgr.get_components_by_type<CircleCollider>();
+
+ std::vector<collider_stor> all_colliders;
+ // Add BoxCollider references
+ for (auto& box : boxcolliders) {
+ all_colliders.push_back(collider_stor{box});
+ }
+
+ // Add CircleCollider references
+ for (auto& circle : circlecolliders) {
+ all_colliders.push_back(collider_stor{circle});
+ }
// Check between all colliders if there is a collision
- std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> collided = check_collisions(boxcolliders,circlecolliders);
+ std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> collided = check_collisions(all_colliders);
// For both objects call the collision handler
for (auto& collision_pair : collided) {
- collision_handler(collision_pair.first,collision_pair.second);
- collision_handler(collision_pair.second,collision_pair.first);
+ collision_handler_request(collision_pair.first,collision_pair.second);
+ collision_handler_request(collision_pair.second,collision_pair.first);
}
}
-void CollisionSystem::collision_handler(CollidedInfoStor& data1,CollidedInfoStor& data2){
+void CollisionSystem::collision_handler_request(CollidedInfoStor& data1,CollidedInfoStor& data2){
- // Data needed for collision handler info
- const Collider* collider1 = nullptr;
- const Collider* collider2 = nullptr;
- vec2 move_back;
+ ColliderStorType type = check_collider_type(data1.collider,data2.collider);
+ std::pair<vec2,CollisionSystem::Direction> move_back_data = collision_handler(data1,data2,type);
- // Check collision type and get values for handler
- if (std::holds_alternative<std::reference_wrapper<BoxCollider>>(data1.collider)) {
- if (std::holds_alternative<std::reference_wrapper<BoxCollider>>(data2.collider)) {
-
- // Get colliders from variant to be used to determine collision handler info
- const BoxCollider& box_collider1 = std::get<std::reference_wrapper<BoxCollider>>(data1.collider).get();
- const BoxCollider& box_collider2 = std::get<std::reference_wrapper<BoxCollider>>(data2.collider).get();
- collider1 = &box_collider1;
- collider2 = &box_collider2;
-
- // TODO: send with the collider info to this function because this is calculated previously
- // Get the current position of the collider
- vec2 final_position1 = current_position(box_collider1,data1.transform,data1.rigidbody);
- vec2 final_position2 = current_position(box_collider2,data2.transform,data2.rigidbody);
-
- // Determine move_back value for smallest overlap (x or y)
- move_back = box_box_collision_move_back(box_collider1,box_collider2,final_position1,final_position2);
-
+ OptionalRef<Collider> collider1;
+ OptionalRef<Collider> collider2;
+ switch (type) {
+ case ColliderStorType::BOX_BOX:{
+ collider1 = std::get<std::reference_wrapper<BoxCollider>>(data1.collider);
+ collider2 = std::get<std::reference_wrapper<BoxCollider>>(data2.collider);
}
- else {
- // TODO: calcualte Box - Circle collision info
- const BoxCollider& box_collider = std::get<std::reference_wrapper<BoxCollider>>(data1.collider).get();
- const CircleCollider& circle_collider = std::get<std::reference_wrapper<CircleCollider>>(data2.collider).get();
- collider1 = &box_collider;
- collider2 = &circle_collider;
+ case ColliderStorType::BOX_CIRCLE:{
+ collider1 = std::get<std::reference_wrapper<BoxCollider>>(data1.collider);
+ collider2 = std::get<std::reference_wrapper<CircleCollider>>(data2.collider);
+ }
+ case ColliderStorType::CIRCLE_BOX:{
+ collider1 = std::get<std::reference_wrapper<CircleCollider>>(data1.collider);
+ collider2 = std::get<std::reference_wrapper<BoxCollider>>(data2.collider);
+ }
+ case ColliderStorType::CIRCLE_CIRCLE:{
+ collider1 = std::get<std::reference_wrapper<CircleCollider>>(data1.collider);
+ collider2 = std::get<std::reference_wrapper<CircleCollider>>(data2.collider);
}
}
- else {
- if (std::holds_alternative<std::reference_wrapper<CircleCollider>>(data2.collider)) {
- // TODO: calcualte Circle - Circle collision info
- const CircleCollider& circle_collider1 = std::get<std::reference_wrapper<CircleCollider>>(data1.collider).get();
- const CircleCollider& circle_collider2 = std::get<std::reference_wrapper<CircleCollider>>(data2.collider).get();
- collider1 = &circle_collider1;
- collider2 = &circle_collider2;
+
+ // collision info
+ crepe::CollisionSystem::CollisionInfo collision_info{
+ .first={ collider1, data1.transform, data1.rigidbody },
+ .second={ collider2, data2.transform, data2.rigidbody },
+ .move_back_value = move_back_data.first,
+ .move_back_direction = move_back_data.second,
+ };
+
+ // Determine if static needs to be called
+ determine_collision_handler(collision_info);
+}
+
+
+std::pair<vec2,CollisionSystem::Direction> CollisionSystem::collision_handler(CollidedInfoStor& data1,CollidedInfoStor& data2,ColliderStorType type) {
+ vec2 move_back;
+ switch (type) {
+ case ColliderStorType::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);
+ move_back = box_box_move_back(collider1,collider2,collider_pos1,collider_pos2);
}
- else {
- // TODO: calcualte Circle - Box collision info
- const CircleCollider& circle_collider = std::get<std::reference_wrapper<CircleCollider>>(data1.collider);
- const BoxCollider& box_collider = std::get<std::reference_wrapper<BoxCollider>>(data2.collider);
- collider1 = &circle_collider;
- collider2 = &box_collider;
+ case ColliderStorType::BOX_CIRCLE: {
+
+ }
+ case ColliderStorType::CIRCLE_CIRCLE: {
+
+ }
+ case ColliderStorType::CIRCLE_BOX: {
+
}
}
- // One vaue is calculated for moving back. Calculate the other value (x or y) relateive to the move_back value.
Direction move_back_direction = Direction::NONE;
if(move_back.x != 0 && move_back.y > 0) {
move_back_direction = Direction::BOTH;
@@ -100,20 +123,10 @@ void CollisionSystem::collision_handler(CollidedInfoStor& data1,CollidedInfoStor
move_back.x = data1.rigidbody.data.linear_velocity.x * (move_back.y/data1.rigidbody.data.linear_velocity.y);
}
- // collision info
- crepe::CollisionSystem::CollisionInfo collision_info{
- .first={ *collider1, data1.transform, data1.rigidbody },
- .second={ *collider2, data2.transform, data2.rigidbody },
- .move_back_value = move_back,
- .move_back_direction = move_back_direction,
- };
-
- // Determine if static needs to be called
- determine_collision_handler(collision_info);
+ return {move_back,move_back_direction};
}
-
-vec2 CollisionSystem::box_box_collision_move_back(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 final_position1,vec2 final_position2)
+vec2 CollisionSystem::box_box_move_back(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 final_position1,vec2 final_position2)
{
vec2 resolution; // Default resolution vector
vec2 delta = final_position2 - final_position1;
@@ -185,10 +198,9 @@ void CollisionSystem::static_collision_handler(CollisionInfo& info){
}
}
-std::vector<std::pair<CollisionSystem::CollidedInfoStor,CollisionSystem::CollidedInfoStor>> CollisionSystem::check_collisions(const std::vector<std::reference_wrapper<BoxCollider>>& boxcolliders, const std::vector<std::reference_wrapper<CircleCollider>>& circlecolliders) {
- ComponentManager & mgr = this->component_manager;
- std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> collisions_ret;
-
+std::vector<std::pair<CollisionSystem::CollidedInfoStor,CollisionSystem::CollidedInfoStor>> CollisionSystem::check_collisions(std::vector<collider_stor> & colliders) {
+
+
// TODO:
// If no colliders skip
// Check if colliders has rigidbody if not skip
@@ -198,99 +210,104 @@ std::vector<std::pair<CollisionSystem::CollidedInfoStor,CollisionSystem::Collide
// Quadtree code
// Quadtree is placed over the input vector
- // Check collisions for each collider
- for (size_t i = 0; i < boxcolliders.size(); ++i) {
- // Fetch components for the first box collider
- if(!boxcolliders[i].get().active) continue;
- int game_object_id_1 = boxcolliders[i].get().game_object_id;
- Transform& transform1 = mgr.get_components_by_id<Transform>(game_object_id_1).front().get();
- if(!transform1.active) continue;
- Rigidbody& rigidbody1 = mgr.get_components_by_id<Rigidbody>(game_object_id_1).front().get();
- if(!rigidbody1.active) continue;
-
- // Check BoxCollider vs BoxCollider
- for (size_t j = i + 1; j < boxcolliders.size(); ++j) {
- if(!boxcolliders[j].get().active) continue;
- // Skip self collision
- int game_object_id_2 = boxcolliders[j].get().game_object_id;
- if (game_object_id_1 == game_object_id_2) continue;
-
- // Fetch components for the second box collider
- Transform & transform2 = mgr.get_components_by_id<Transform>(boxcolliders[j].get().game_object_id).front().get();
- if(!transform2.active) continue;
- Rigidbody & rigidbody2 = mgr.get_components_by_id<Rigidbody>(boxcolliders[j].get().game_object_id).front().get();
- if(!rigidbody2.active) continue;
- // Check collision
- if (check_box_box_collision(boxcolliders[i], boxcolliders[j], transform1, transform2, rigidbody1, rigidbody2)) {
- collisions_ret.emplace_back(std::make_pair(
- CollidedInfoStor{boxcolliders[i].get(), transform1, rigidbody1},
- CollidedInfoStor{boxcolliders[j].get(), transform2, rigidbody2}
- ));
- }
- }
+ // Function to retrieve active transform and rigidbody components for a given game_object_id
+ auto get_active_transform_and_rigidbody = [&](game_object_id_t game_object_id)
+ -> std::optional<std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>>> {
+ RefVector<Transform> transforms = this->component_manager.get_components_by_id<Transform>(game_object_id);
+ if (transforms.empty()) return std::nullopt;
+
+ RefVector<Rigidbody> rigidbodies = this->component_manager.get_components_by_id<Rigidbody>(game_object_id);
+ if (rigidbodies.empty()) return std::nullopt;
+
+ Transform& transform = transforms.front().get();
+ if (!transform.active) return std::nullopt;
+
+ Rigidbody& rigidbody = rigidbodies.front().get();
+ if (!rigidbody.active) return std::nullopt;
- // Check BoxCollider vs CircleCollider
- for (size_t j = 0; j < circlecolliders.size(); ++j) {
- if(!circlecolliders[j].get().active) continue;
- // Skip self collision
- int game_object_id_2 = circlecolliders[j].get().game_object_id;
- if (game_object_id_1 == game_object_id_2) continue;
-
- // Fetch components for the second collider (circle)
- Transform & transform2 = mgr.get_components_by_id<Transform>(circlecolliders[j].get().game_object_id).front().get();
- if(!transform2.active) continue;
- Rigidbody & rigidbody2 = mgr.get_components_by_id<Rigidbody>(circlecolliders[j].get().game_object_id).front().get();
- if(!rigidbody2.active) continue;
-
- // Check collision
- if (check_box_circle_collision(boxcolliders[i], circlecolliders[j], transform1, transform2, rigidbody1, rigidbody2)) {
-
- collisions_ret.emplace_back(std::make_pair(
- CollidedInfoStor{boxcolliders[i].get(), transform1, rigidbody1},
- CollidedInfoStor{circlecolliders[j].get(), transform2, rigidbody2}
- ));
+ // Return the active components
+ return std::make_pair(std::ref(transform), std::ref(rigidbody));
+ };
+
+
+ std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> collisions_ret;
+ for (size_t i = 0; i < colliders.size(); ++i) {
+ std::visit([&](auto& inner_collider_ref) {
+ if (inner_collider_ref.get().active) return;
+ auto inner_components = get_active_transform_and_rigidbody(inner_collider_ref.get().game_object_id);
+ if (inner_components) return;
+ for (size_t j = i + 1; j < colliders.size(); ++j) {
+ std::visit([&](auto& outer_collider_ref) {
+ if (outer_collider_ref.get().active) return;
+ if (inner_collider_ref.get().game_object_id == outer_collider_ref.get().game_object_id) return;
+ auto outer_components = get_active_transform_and_rigidbody(inner_collider_ref.get().game_object_id);
+ if (outer_components) return;
+ ColliderStorType type = check_collider_type(colliders[i],colliders[j]);
+ check_collision(colliders[i],*inner_components,colliders[j],*outer_components,type);
+ collisions_ret.emplace_back(
+ CollidedInfoStor{colliders[i], inner_components->first.get(), inner_components->second.get()},
+ CollidedInfoStor{colliders[j], outer_components->first.get(), outer_components->second.get()}
+ );
+ }, colliders[j]);
}
+ }, colliders[i]);
+ }
+
+ return collisions_ret;
+}
+
+CollisionSystem::ColliderStorType CollisionSystem::check_collider_type(const collider_stor& collider1,const collider_stor& collider2){
+ if(std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider1)){
+ if(std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider2))
+ {
+ return ColliderStorType::CIRCLE_CIRCLE;
+ }
+ else {
+ return ColliderStorType::CIRCLE_BOX;
}
}
- // Check CircleCollider vs CircleCollider
- for (size_t i = 0; i < circlecolliders.size(); ++i) {
- if(!circlecolliders[i].get().active) continue;
- // Fetch components for the first circle collider
- int game_object_id_1 = circlecolliders[i].get().game_object_id;
- Transform & transform1 = mgr.get_components_by_id<Transform>(circlecolliders[i].get().game_object_id).front().get();
- if(!transform1.active) continue;
- Rigidbody & rigidbody1 = mgr.get_components_by_id<Rigidbody>(circlecolliders[i].get().game_object_id).front().get();
- if(!rigidbody1.active) continue;
-
- for (size_t j = i + 1; j < circlecolliders.size(); ++j) {
- if(!circlecolliders[j].get().active) continue;
- // Skip self collision
- int game_object_id_2 = circlecolliders[j].get().game_object_id;
- if (game_object_id_1 == game_object_id_2) continue;
-
- // Fetch components for the second circle collider
- Transform & transform2 = mgr.get_components_by_id<Transform>(circlecolliders[j].get().game_object_id).front().get();
- if(!transform2.active) continue;
- Rigidbody & rigidbody2 = mgr.get_components_by_id<Rigidbody>(circlecolliders[j].get().game_object_id).front().get();
- if(!rigidbody2.active) continue;
-
- // Check collision
- if (check_circle_circle_collision(circlecolliders[i], circlecolliders[j], transform1, transform2, rigidbody1, rigidbody2)) {
- collisions_ret.emplace_back(std::make_pair(
- CollidedInfoStor{circlecolliders[i].get(), transform1, rigidbody1},
- CollidedInfoStor{circlecolliders[j].get(), transform2, rigidbody2}
- ));
- }
+ else {
+ if(std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider2))
+ {
+ return ColliderStorType::BOX_CIRCLE;
+ }
+ else {
+ return ColliderStorType::BOX_BOX;
}
}
- return collisions_ret;
}
+bool CollisionSystem::check_collision(const collider_stor& collider1,std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>> components1,const collider_stor& collider2,std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>> components2, ColliderStorType type){
+ switch (type) {
+ case ColliderStorType::BOX_BOX: {
+ const BoxCollider & box_collider1 = std::get<std::reference_wrapper<BoxCollider>>(collider1);
+ const BoxCollider & box_collider2 = std::get<std::reference_wrapper<BoxCollider>>(collider2);
+ return check_box_box_collision(box_collider1,box_collider2,components1.first.get(),components2.first.get(),components1.second.get(),components2.second.get());
+ }
+ case ColliderStorType::BOX_CIRCLE: {
+ const BoxCollider & box_collider = std::get<std::reference_wrapper<BoxCollider>>(collider1);
+ const CircleCollider & circle_collider = std::get<std::reference_wrapper<CircleCollider>>(collider2);
+ return check_box_circle_collision(box_collider,circle_collider,components1.first.get(),components2.first.get(),components1.second.get(),components2.second.get());
+ }
+ case ColliderStorType::CIRCLE_CIRCLE: {
+ const CircleCollider & circle_collider1 = std::get<std::reference_wrapper<CircleCollider>>(collider1);
+ const CircleCollider & circle_collider2 = std::get<std::reference_wrapper<CircleCollider>>(collider2);
+ return check_circle_circle_collision(circle_collider1,circle_collider2,components1.first.get(),components2.first.get(),components1.second.get(),components2.second.get());
+ }
+ case ColliderStorType::CIRCLE_BOX: {
+ const BoxCollider & box_collider = std::get<std::reference_wrapper<BoxCollider>>(collider1);
+ const CircleCollider & circle_collider = std::get<std::reference_wrapper<CircleCollider>>(collider2);
+ return check_box_circle_collision(box_collider,circle_collider,components1.first.get(),components2.first.get(),components1.second.get(),components2.second.get());
+ }
+ }
+}
+
+
bool CollisionSystem::check_box_box_collision(const BoxCollider& box1, const BoxCollider& box2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2)
{
// Get current positions of colliders
- vec2 final_position1 = current_position(box1,transform1,rigidbody1);
- vec2 final_position2 = current_position(box2,transform2,rigidbody2);
+ vec2 final_position1 = current_position(box1.offset,transform1,rigidbody1);
+ vec2 final_position2 = current_position(box2.offset,transform2,rigidbody2);
// Calculate half-extents (half width and half height)
float half_width1 = box1.width / 2.0;
@@ -307,8 +324,8 @@ bool CollisionSystem::check_box_box_collision(const BoxCollider& box1, const Box
bool CollisionSystem::check_box_circle_collision(const BoxCollider& box1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) {
// Get current positions of colliders
- vec2 final_position1 = current_position(box1, transform1, rigidbody1);
- vec2 final_position2 = current_position(circle2, transform2, rigidbody2);
+ vec2 final_position1 = current_position(box1.offset, transform1, rigidbody1);
+ vec2 final_position2 = current_position(circle2.offset, transform2, rigidbody2);
// Calculate box half-extents
float half_width = box1.width / 2.0;
@@ -329,8 +346,8 @@ bool CollisionSystem::check_box_circle_collision(const BoxCollider& box1, const
bool CollisionSystem::check_circle_circle_collision(const CircleCollider& circle1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2) {
// Get current positions of colliders
- vec2 final_position1 = current_position(circle1,transform1,rigidbody1);
- vec2 final_position2 = current_position(circle2,transform2,rigidbody2);
+ vec2 final_position1 = current_position(circle1.offset,transform1,rigidbody1);
+ vec2 final_position2 = current_position(circle2.offset,transform2,rigidbody2);
float distance_x = final_position1.x - final_position2.x;
float distance_y = final_position1.y - final_position2.y;
@@ -343,12 +360,12 @@ bool CollisionSystem::check_circle_circle_collision(const CircleCollider& circle
return distance_squared <= radius_sum * radius_sum;
}
-vec2 CollisionSystem::current_position(const Collider& collider, const Transform& transform, const Rigidbody& rigidbody) {
+vec2 CollisionSystem::current_position(vec2 collider_offset, const Transform& transform, const Rigidbody& rigidbody) {
// Get the rotation in radians
float radians1 = transform.rotation * (M_PI / 180.0);
// Calculate total offset with scale
- vec2 total_offset = (rigidbody.data.offset + collider.offset) * transform.scale;
+ vec2 total_offset = (rigidbody.data.offset + collider_offset) * transform.scale;
// Rotate
float rotated_total_offset_x1 = total_offset.x * cos(radians1) - total_offset.y * sin(radians1);
diff --git a/src/crepe/system/CollisionSystem.h b/src/crepe/system/CollisionSystem.h
index 44fff4e..80f8818 100644
--- a/src/crepe/system/CollisionSystem.h
+++ b/src/crepe/system/CollisionSystem.h
@@ -25,6 +25,15 @@ private:
// using collider_stor = std::variant<BoxCollider, CircleCollider>;
using collider_stor = std::variant<std::reference_wrapper<BoxCollider>, std::reference_wrapper<CircleCollider>>;
+ //! A enum that is used to tell the pair of the collider stor in a std::pair.
+ enum class ColliderStorType {
+ BOX_BOX,
+ CIRCLE_CIRCLE,
+ BOX_CIRCLE,
+ CIRCLE_BOX,
+ };
+
+
/**
* \brief A structure to store the collision data of a single collider.
*
@@ -32,7 +41,7 @@ private:
*/
struct CollidedInfoStor {
//! Store either BoxCollider or CircleCollider
- collider_stor collider;
+ collider_stor& collider;
Transform& transform;
Rigidbody& rigidbody;
};
@@ -45,6 +54,8 @@ private:
BOTH
};
+
+
public:
/**
* \brief A structure representing the collision information between two colliders.
@@ -73,121 +84,35 @@ public:
//! Updates the collision system by checking for collisions between colliders and handling them.
void update() override;
+private: //generic
+ ColliderStorType check_collider_type(const collider_stor& collider1,const collider_stor& collider2);
+
+ vec2 current_position(vec2 collider_offset, const Transform& transform, const Rigidbody& rigidbody);
+
+private:// handeling
+
+ void collision_handler_request(CollidedInfoStor& data1,CollidedInfoStor& data2);
+
+ std::pair<vec2,Direction> collision_handler(CollidedInfoStor& data1,CollidedInfoStor& data2 ,ColliderStorType type);
+
-private:
- /**
- * \brief Handles a collision between two colliders.
- *
- * This function calculates the necessary response to resolve the collision, including
- * moving the objects back to prevent overlap and applying any velocity changes.
- *
- * \param data1 The collision data for the first collider.
- * \param data2 The collision data for the second collider.
- */
- void collision_handler(CollidedInfoStor& data1,CollidedInfoStor& data2);
- /**
- * \brief Resolves the movement of two box colliders that are colliding.
- *
- * This function calculates the smallest overlap (along the X or Y axis) and determines
- * the move-back vector to prevent overlap.
- *
- * \param box_collider1 The first box collider.
- * \param box_collider2 The second box collider.
- * \param final_position1 The final position of the first box collider.
- * \param final_position2 The final position of the second box collider.
- * \return The move-back vector to resolve the collision.
- */
- vec2 box_box_collision_move_back(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 position1,vec2 position2);
+ vec2 box_box_move_back(const BoxCollider& box_collider1,const BoxCollider& box_collider2,vec2 position1,vec2 position2);
- /**
- * \brief Determines the appropriate collision handler based on the rigidbody types of the colliding objects.
- *
- * This function checks if the second object is static, and if so, it calls the static collision handler.
- * Otherwise, it triggers a collision event.
- *
- * \param info The collision information containing the colliders, transforms, rigidbodies, and move-back data.
- */
void determine_collision_handler(CollisionInfo& info);
- /**
- * \brief Handles the collision with a static object.
- *
- * This function resolves the collision by moving the object back and applying any bounce or stop behavior.
- *
- * \param info The collision information containing the colliders, transforms, rigidbodies, and move-back data.
- */
void static_collision_handler(CollisionInfo& info);
-private: //detection
+private: // detection
- /**
- * \brief Checks for collisions between box colliders and circle colliders
- * and returns the collision pairs that need to be resolved.
- *
- * \param boxcolliders A vector of references to all box colliders.
- * \param circlecolliders A vector of references to all circle colliders.
- * \return A vector of pairs containing collision information for the detected collisions.
- */
- std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> check_collisions(const std::vector<std::reference_wrapper<BoxCollider>>& boxcolliders, const std::vector<std::reference_wrapper<CircleCollider>>& circlecolliders);
+ std::vector<std::pair<CollidedInfoStor,CollidedInfoStor>> check_collisions(std::vector<collider_stor> & colliders);
+
+ bool check_collision(const collider_stor& collider1,std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>> components1,const collider_stor& collider2,std::pair<std::reference_wrapper<Transform>, std::reference_wrapper<Rigidbody>> components2,CollisionSystem::ColliderStorType type);
- /**
- * \brief Checks for a collision between two box colliders.
- *
- * This function checks if two box colliders overlap based on their positions and dimensions.
- *
- * \param box1 The first box collider.
- * \param box2 The second box collider.
- * \param transform1 The transform component of the first box collider.
- * \param transform2 The transform component of the second box collider.
- * \param rigidbody1 The rigidbody component of the first box collider.
- * \param rigidbody2 The rigidbody component of the second box collider.
- * \return True if the two box colliders overlap, otherwise false.
- */
bool check_box_box_collision(const BoxCollider& box1, const BoxCollider& box2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2);
- /**
- * \brief Checks for a collision between a box collider and a circle collider.
- *
- * This function checks if a box collider overlaps with a circle collider based on their positions
- * and dimensions.
- *
- * \param box1 The box collider.
- * \param circle2 The circle collider.
- * \param transform1 The transform component of the box collider.
- * \param transform2 The transform component of the circle collider.
- * \param rigidbody1 The rigidbody component of the box collider.
- * \param rigidbody2 The rigidbody component of the circle collider.
- * \return True if the box collider and circle collider overlap, otherwise false.
- */
bool check_box_circle_collision(const BoxCollider& box1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2);
-
- /**
- * \brief Checks for a collision between two circle colliders.
- *
- * This function checks if two circle colliders overlap based on their positions and radii.
- *
- * \param circle1 The first circle collider.
- * \param circle2 The second circle collider.
- * \param transform1 The transform component of the first circle collider.
- * \param transform2 The transform component of the second circle collider.
- * \param rigidbody1 The rigidbody component of the first circle collider.
- * \param rigidbody2 The rigidbody component of the second circle collider.
- * \return True if the two circle colliders overlap, otherwise false.
- */
+
bool check_circle_circle_collision(const CircleCollider& circle1, const CircleCollider& circle2, const Transform& transform1, const Transform& transform2, const Rigidbody& rigidbody1, const Rigidbody& rigidbody2);
-
- /**
- * \brief Gets the current position of a collider by combining its transform and rigidbody data.
- *
- * This function calculates the current position of the collider by considering its transform and
- * rigidbody velocity.
- *
- * \param collider The collider whose position is being determined.
- * \param transform The transform component associated with the collider.
- * \param rigidbody The rigidbody component associated with the collider.
- * \return The current position of the collider as a vec2.
- */
- vec2 current_position(const Collider& collider, const Transform& transform, const Rigidbody& rigidbody);
};
} // namespace crepe