Player_Camera.cpp

#include "Player_Camera.h"

Player_Camera::Player_Camera(const std::pair<float, float>& offset) : mouse_offset(&offset) {

}

void Player_Camera::update(GameObject& g) {
	// TODO: add in some checking code to only update front, right, up when required

	if(!has_target) {
		has_target = true;
		g.front = glm::normalize(g.get_position() - glm::vec3(g.get_position().x, g.get_position().y, g.get_position().z - 1));
		g.right = glm::normalize(glm::cross(g.world_up, g.front));
		g.up = glm::normalize(glm::cross(g.front, g.right));
		g.front = -glm::normalize(g.front);
	}

	if(mouse_offset->first != lastX || mouse_offset->second != lastY) {
		lastX = mouse_offset->first;
		lastY = mouse_offset->second;

		float sensitivity = 0.025f;
		yaw += mouse_offset->first * sensitivity;
		pitch += mouse_offset->second * sensitivity;

		if(pitch > 89.0f) { pitch = 89.0f; }
		if(pitch < -89.0f) { pitch = -89.0f; }

		g.front.x = cos(glm::radians(yaw)) * cos(glm::radians(pitch));
		g.front.y = sin(glm::radians(pitch));
		g.front.z = sin(glm::radians(yaw)) * cos(glm::radians(pitch));
		g.front = glm::normalize(g.front);
		g.flat_front = glm::normalize(glm::vec3(g.front.x, 0, g.front.z));

		g.right = glm::normalize(glm::cross(g.front, g.world_up));
		g.up = -glm::normalize(glm::cross(g.front, g.right));
	}

	g.view = glm::lookAt(g.get_position(), g.get_position() + g.front, g.up);
}

void Player_Camera::receive(std::string component, std::string action) {

}

void Player_Camera::activate() {

}
void Player_Camera::deactivate() {

}