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src/window/Camera.cpp

@@ -0,0 +1,38 @@
+/*
+ * Camera.cpp
+ *
+ *  Created on: Feb 11, 2020
+ *      Author: MihailRis
+ */
+
+#include "Camera.h"
+#include "Window.h"
+
+#include <glm/ext.hpp>
+
+Camera::Camera(vec3 position, float fov) : position(position), fov(fov), rotation(1.0f) {
+	updateVectors();
+}
+
+void Camera::updateVectors(){
+	front = vec3(rotation * vec4(0,0,-1,1));
+	right = vec3(rotation * vec4(1,0,0,1));
+	up = vec3(rotation * vec4(0,1,0,1));
+}
+
+void Camera::rotate(float x, float y, float z){
+	rotation = glm::rotate(rotation, z, vec3(0,0,1));
+	rotation = glm::rotate(rotation, y, vec3(0,1,0));
+	rotation = glm::rotate(rotation, x, vec3(1,0,0));
+
+	updateVectors();
+}
+
+mat4 Camera::getProjection(){
+	float aspect = (float)Window::width / (float)Window::height;
+	return glm::perspective(fov, aspect, 0.1f, 1500.0f);
+}
+
+mat4 Camera::getView(){
+	return glm::lookAt(position, position+front, up);
+}