added project structure

src/camera/Camera.cpp

@@ -0,0 +1,21 @@
+#include "camera/Camera.hpp"
+
+Camera::Camera(float fov, float width, float height) {
+    projection = glm::perspective(fov/2.0f, width/height, 0.1f, 1000.f);
+    view = glm::mat4(1.0f);
+    position = glm::vec3(0.0f);
+    update();
+}
+
+glm::mat4 Camera::getViewProj() {
+    return viewProj;
+}
+
+void Camera::update() {
+    viewProj = projection * view;
+}
+
+void Camera::translate(glm::vec3 v) {
+    position += v;
+    view = glm::translate(view, v*-1.0f);
+}

src/camera/FPS_Camera.cpp

@@ -0,0 +1,38 @@
+#include "camera/FPS_Camera.hpp"
+
+FPSCamera::FPSCamera(float fov, float width, float height) : Camera(fov, width, height) {
+    up = glm::vec3(0.0f, 1.0f, 0.0f);
+    yaw = -90.0f;
+    pitch = 0.0f;
+    onMouseMoved(0.0f, 0.0f);
+}
+
+void FPSCamera::onMouseMoved(float xRel, float yRel) {
+    yaw += xRel * mouseSensitivity;
+    pitch -= yRel * mouseSensitivity;
+    if (pitch > 89.0f) pitch = 89.0f;
+    else if (pitch < -89.0f) pitch = -89.0f;
+
+    glm::vec3 front;
+    front.x = cos(glm::radians(pitch)) * cos(glm::radians(yaw));
+    front.y = sin(glm::radians(pitch));
+    front.z = cos(glm::radians(pitch)) * sin(glm::radians(yaw));
+    lookAt = glm::normalize(front);
+
+    update();
+}
+
+void FPSCamera::update() {
+    view = glm::lookAt(position, position+lookAt, up);
+    viewProj = projection * view;
+}
+
+void FPSCamera::moveFront(float amount) {
+    translate(glm::normalize(glm::vec3(1.0f, 0.0f, 1.0f) * lookAt) * amount);
+    update();
+}
+
+void FPSCamera::moveSideways(float amount) {
+    translate(glm::normalize(glm::cross(lookAt, up)) * amount);
+    update();
+}