initial commit

HydraEngine/source/camera/HydraCamera.cpp

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+#include "HydraCamera.h"
+#include "../engine/HydraEngine.h"
+#include "../windowmanager/HydraRenderSettings.h"
+#include "../actor/HydraActor.h"
+#include "../actor/HydraActorManager.h"	
+
+
+glm::mat4x4 HydraCamera::GetView()
+{
+	glm::dvec3 actor_pos = glm::dvec3(0,0,0);
+	
+	glm::mat4 actor_rot = glm::mat4(1);
+	glm::vec3 actor_euler = glm::vec3(0);
+
+	if(m_attached_actor != INVALID_HYDRA_ID)
+	{
+		HydraActor* actor = GetEngine()->ActorManager()->GetActor(m_attached_actor);
+		if(actor != nullptr)
+		{
+			actor_pos =  (GetEngine()->ActorManager()->GetActorPosition(m_attached_actor)) * glm::dvec3(-1, -1, -1);
+			actor_euler = GetEngine()->ActorManager()->GetActorOrientation(m_attached_actor);
+			actor_rot = glm::eulerAngleXYZ(actor_euler.x, actor_euler.y, actor_euler.z);
+		}
+	}
+	
+	glm::mat4 trans = glm::translate(actor_pos);
+	glm::mat4 rot =  actor_rot;// * glm::eulerAngleXYZ(EulerAngle.x, EulerAngle.y, EulerAngle.z);
+
+	glm::mat4 camera_transform =   rot * trans;
+	return camera_transform;
+}
+
+glm::mat4x4 HydraCamera::GetProjection()
+{
+	HydraRenderSettings render_settings = GetEngine()->RenderSettings();
+	float fovRad = glm::radians(render_settings.FOV);
+	//glm::mat4 projection = glm::perspectiveLH<float>(fovRad, (float)render_settings->ViewportWidth / (float)render_settings->ViewportHeight, render_settings->Near, render_settings->Far);
+	glm::mat4 projection = glm::perspectiveRH<float>(fovRad, (float)render_settings.ViewportWidth / (float)render_settings.ViewportHeight, render_settings.Near, render_settings.Far);
+	// glm::mat4 correction = {1, 0, 0,   0,
+	// 						0,-1, 0,   0,
+	// 					    0, 0, 0.5f,0.5f,
+	// 						0,0,  0,   1};
+	// projection = correction * projection;
+	return projection;
+}
+
+glm::mat4x4 HydraCamera::GetOrthoProjection()
+{
+	HydraRenderSettings render_settings = GetEngine()->RenderSettings();
+	float fovRad = glm::radians(render_settings.FOV);
+	glm::mat4 projection = glm::ortho<float>(0.0f, render_settings.DisplayWidth, 0, render_settings.DisplayHeight, 0.0f, 1000.0f);
+	
+		
+	return projection;
+}
+
+glm::vec3 HydraCamera::GetPosition()
+{
+    glm::dvec3 actor_pos = glm::dvec3(0,0,0);
+	
+	if(m_attached_actor != INVALID_HYDRA_ID)
+	{
+		HydraActor* actor = GetEngine()->ActorManager()->GetActor(m_attached_actor);
+		if(actor != nullptr)
+		{
+			actor_pos =  (GetEngine()->ActorManager()->GetActorPosition(m_attached_actor)) * glm::dvec3(1, 1, 1);
+	
+		}
+	}
+	return actor_pos;
+	
+}
+
+void HydraCamera::AttachToActor(HydraID actorID)
+{
+	m_attached_actor = actorID;
+}

HydraEngine/source/camera/HydraCamera.h

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+#ifndef HYDRACAMERA
+#define HYDRACAMERA
+#include "../engine/HydraObject.h"
+#include <GLMIncludes.h>
+
+class CLASS_DEFINE HydraCamera : public HydraObject
+{
+    private:
+        glm::vec4 m_right = glm::vec4(1, 0, 0, 1);
+        glm::vec4 m_up = glm::vec4(0, 1, 0, 1);
+        glm::vec4 m_forward = glm::vec4(0, 0, -1, 1);
+        HydraID m_attached_actor = INVALID_HYDRA_ID;    	
+    public:
+        glm::mat4x4 GetView();
+        glm::mat4x4 GetProjection();	
+        glm::mat4x4 GetOrthoProjection();
+        HydraID GetAttachedActor() {return m_attached_actor;}
+        glm::vec3 GetPosition();        
+        void AttachToActor(HydraID actorID);
+};
+
+
+#endif /* HYDRACAMERA */