added collision system and circlecollider

1 files changed, 36 insertions, 1 deletions

diff --git a/src/crepe/PhysicsSystem.cpp b/src/crepe/PhysicsSystem.cpp
index c24afa2..7d16044 100644
--- a/src/crepe/PhysicsSystem.cpp
+++ b/src/crepe/PhysicsSystem.cpp
@@ -2,6 +2,7 @@
 #include "ComponentManager.h"
 #include "Rigidbody.h"
 #include "Transform.h"
+#include "Force.h"
 #include <iostream>
 
 using namespace crepe;
@@ -14,7 +15,41 @@ void PhysicsSystem::update() {
 	ComponentManager& mgr = ComponentManager::get_instance();
 	std::vector<std::reference_wrapper<Rigidbody>> rigidbodies = mgr.get_components_by_type<Rigidbody>();
 	std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_type<Transform>();
+	
 	for (Rigidbody& rigidbody : rigidbodies) {
-		std::cout << rigidbody.gameObjectId << std::endl;
+
+		switch (rigidbody.body_type)
+		{
+		case BodyType::Dynamic :
+			for (Transform& transform : transforms) {
+				if(transform.gameObjectId == rigidbody.gameObjectId)
+				{
+					rigidbody.velocity_x = 0;
+					rigidbody.velocity_y = 0;
+					std::vector<std::reference_wrapper<Force>> Forces = mgr.get_components_by_id<Force>(rigidbody.gameObjectId);
+					rigidbody.velocity_y += rigidbody.gravity_scale * 1 * rigidbody.mass;
+
+					for (Force& force : Forces)
+					{
+						rigidbody.velocity_x += force.force_x;
+						rigidbody.velocity_y += force.force_y;	
+					}
+					
+					std::cout << "before transform.postion.x " << transform.postion.x << std::endl;
+					std::cout << "before transform.postion.y " << transform.postion.y << std::endl;
+					transform.postion.x += rigidbody.velocity_x;
+					transform.postion.y += rigidbody.velocity_y;
+					std::cout << "after transform.postion.x " << transform.postion.x << std::endl;
+					std::cout << "after transform.postion.y " << transform.postion.y << std::endl;
+				}
+			}	
+			break;
+		case BodyType::Kinematic :
+			break; //(scripts)
+		case BodyType::Static :
+			break; //(unmoveable objects)
+		default:
+			break;
+		}
 	}
 }